WIP: Reuse dictionary value hashes in hash joins by Rich-T-kid · Pull Request #26825 · apache/datafusion

Rich-T-kid · 2026-10-27T19:55:19Z

WIP: this is stacked on #26817. Full-suite regression checks are complete; a targeted dictionary-key join benchmark is still needed.

Why

With Parquet RLE-to-dictionary enabled, consecutive batches can share the same dictionary values. HashJoinExec currently hashes those values again for every build and probe batch. This addresses the hash-join part of #26780 and closes #26815. #26816 demonstrates the cost of repeated value hashing in repartitioning, but this PR intentionally uses a narrower join-local design.

What changed

A small cache keeps only the last dictionary values Arc and its hashes for each join key. Pointer equality identifies shared values; a different values array is hashed normally and replaces the entry. Build and probe state each own their cache, so the fixed hash state is implicit in the cache lifetime. Non-dictionary columns and collision checking are unchanged.

The full stacked GitHub diff, including #26817, is 116 additions and 16 deletions.

Results

All hosted comparisons used RLE-to-dictionary on both exact refs (4ede5833 → 8fccf69b).

TPC-H: 0 faster, 0 slower; 807.67 ms → 810.21 ms.
TPC-DS confirmation: 0 faster, 0 slower; 9709.33 ms → 9664.17 ms.
ClickBench does not contain joins. A forward confirmation marked the second side slower on 5 queries; after reversing the refs, the second side (now the base commit) was slower on 7. The classifications follow execution position, not this code path.

These suites are useful regression checks, but they do not measure the target workload: TPC-H/TPC-DS join on numeric surrogate keys and ClickBench has no joins. A low/medium-cardinality dictionary-key join benchmark is still needed to quantify the speedup.

Test coverage

all 652 hash-join tests, including dictionary/null cases, in normal and forced-collision modes
repository pre-push format, workspace Clippy, and typo checks

Rich-T-kid · 2026-10-27T20:02:10Z

run benchmark tpch tpcds clickbench_partitioned

env:
  DATAFUSION_RUNTIME_MEMORY_LIMIT: "32G"
  DATAFUSION_EXECUTION_PARQUET_ENABLE_RLE_TO_DICTIONARY: "true"
baseline:
  ref: "4ede5833f68dad5bc8169492dedc5749fcc4b8d5"
changed:
  ref: "8fccf69b78cfcddf53df0025958176ecdca556b5"

adriangbot · 2026-10-27T20:03:57Z

Benchmark for this request failed before finishing (Kubernetes reason: BackoffLimitExceeded).

Benchmarks requested: clickbench_partitioned

Kubernetes message

Job has reached the specified backoff limit

File an issue against this benchmark runner

Rich-T-kid · 2026-10-27T20:04:33Z

run benchmark clickbench_partitioned

env:
  DATAFUSION_RUNTIME_MEMORY_LIMIT: "32G"
  DATAFUSION_EXECUTION_PARQUET_ENABLE_RLE_TO_DICTIONARY: "true"
baseline:
  ref: "4ede5833f68dad5bc8169492dedc5749fcc4b8d5"
changed:
  ref: "8fccf69b78cfcddf53df0025958176ecdca556b5"

adriangbot · 2026-10-27T20:05:48Z

🤖 Benchmark running (GKE) | trigger
Instance: c4a-highmem-16 (12 vCPU / 65 GiB) | Linux bench-c6452252316-3953-5tz96 6.12.105+ #1 SMP Sat Sep 19 07:55:25 UTC 2026 aarch64 GNU/Linux

CPU Details (lscpu)

Architecture:                            aarch64
CPU op-mode(s):                          64-bit
Byte Order:                              Little Endian
CPU(s):                                  16
On-line CPU(s) list:                     0-15
Vendor ID:                               ARM
Model name:                              Neoverse-V2
Model:                                   1
Thread(s) per core:                      1
Core(s) per cluster:                     16
Socket(s):                               -
Cluster(s):                              1
Stepping:                                r0p1
BogoMIPS:                                2000.00
Flags:                                   fp asimd evtstrm aes pmull sha1 sha2 crc32 atomics fphp asimdhp cpuid asimdrdm jscvt fcma lrcpc dcpop sha3 sm3 sm4 asimddp sha512 sve asimdfhm dit uscat ilrcpc flagm sb paca pacg dcpodp sve2 sveaes svepmull svebitperm svesha3 svesm4 flagm2 frint svei8mm svebf16 i8mm bf16 dgh rng bti
L1d cache:                               1 MiB (16 instances)
L1i cache:                               1 MiB (16 instances)
L2 cache:                                32 MiB (16 instances)
L3 cache:                                80 MiB (1 instance)
NUMA node(s):                            1
NUMA node0 CPU(s):                       0-15
Vulnerability Gather data sampling:      Not affected
Vulnerability Indirect target selection: Not affected
Vulnerability Itlb multihit:             Not affected
Vulnerability L1tf:                      Not affected
Vulnerability Mds:                       Not affected
Vulnerability Meltdown:                  Not affected
Vulnerability Mmio stale data:           Not affected
Vulnerability Reg file data sampling:    Not affected
Vulnerability Retbleed:                  Not affected
Vulnerability Spec rstack overflow:      Not affected
Vulnerability Spec store bypass:         Mitigation; Speculative Store Bypass disabled via prctl
Vulnerability Spectre v1:                Mitigation; __user pointer sanitization
Vulnerability Spectre v2:                Mitigation; CSV2, BHB
Vulnerability Srbds:                     Not affected
Vulnerability Tsa:                       Not affected
Vulnerability Tsx async abort:           Not affected
Vulnerability Vmscape:                   Not affected

Comparing 8fccf69 (8fccf69) to 4ede583 diff

Run configuration

run benchmark tpch
env:
  DATAFUSION_EXECUTION_PARQUET_ENABLE_RLE_TO_DICTIONARY: "true"
  DATAFUSION_RUNTIME_MEMORY_LIMIT: "32G"
baseline:
  ref: "4ede5833f68dad5bc8169492dedc5749fcc4b8d5"
changed:
  ref: "8fccf69b78cfcddf53df0025958176ecdca556b5"

Results will be posted here when complete

File an issue against this benchmark runner

adriangbot · 2026-10-27T20:06:10Z

🤖 Benchmark running (GKE) | trigger
Instance: c4a-highmem-16 (12 vCPU / 65 GiB) | Linux bench-c6452252316-3954-g9m62 6.12.105+ #1 SMP Sat Sep 19 07:55:25 UTC 2026 aarch64 GNU/Linux

CPU Details (lscpu)

Architecture:                            aarch64
CPU op-mode(s):                          64-bit
Byte Order:                              Little Endian
CPU(s):                                  16
On-line CPU(s) list:                     0-15
Vendor ID:                               ARM
Model name:                              Neoverse-V2
Model:                                   1
Thread(s) per core:                      1
Core(s) per cluster:                     16
Socket(s):                               -
Cluster(s):                              1
Stepping:                                r0p1
BogoMIPS:                                2000.00
Flags:                                   fp asimd evtstrm aes pmull sha1 sha2 crc32 atomics fphp asimdhp cpuid asimdrdm jscvt fcma lrcpc dcpop sha3 sm3 sm4 asimddp sha512 sve asimdfhm dit uscat ilrcpc flagm sb paca pacg dcpodp sve2 sveaes svepmull svebitperm svesha3 svesm4 flagm2 frint svei8mm svebf16 i8mm bf16 dgh rng bti
L1d cache:                               1 MiB (16 instances)
L1i cache:                               1 MiB (16 instances)
L2 cache:                                32 MiB (16 instances)
L3 cache:                                80 MiB (1 instance)
NUMA node(s):                            1
NUMA node0 CPU(s):                       0-15
Vulnerability Gather data sampling:      Not affected
Vulnerability Indirect target selection: Not affected
Vulnerability Itlb multihit:             Not affected
Vulnerability L1tf:                      Not affected
Vulnerability Mds:                       Not affected
Vulnerability Meltdown:                  Not affected
Vulnerability Mmio stale data:           Not affected
Vulnerability Reg file data sampling:    Not affected
Vulnerability Retbleed:                  Not affected
Vulnerability Spec rstack overflow:      Not affected
Vulnerability Spec store bypass:         Mitigation; Speculative Store Bypass disabled via prctl
Vulnerability Spectre v1:                Mitigation; __user pointer sanitization
Vulnerability Spectre v2:                Mitigation; CSV2, BHB
Vulnerability Srbds:                     Not affected
Vulnerability Tsa:                       Not affected
Vulnerability Tsx async abort:           Not affected
Vulnerability Vmscape:                   Not affected

Comparing 8fccf69 (8fccf69) to 4ede583 diff

Run configuration

run benchmark tpcds
env:
  DATAFUSION_EXECUTION_PARQUET_ENABLE_RLE_TO_DICTIONARY: "true"
  DATAFUSION_RUNTIME_MEMORY_LIMIT: "32G"
baseline:
  ref: "4ede5833f68dad5bc8169492dedc5749fcc4b8d5"
changed:
  ref: "8fccf69b78cfcddf53df0025958176ecdca556b5"

Results will be posted here when complete

File an issue against this benchmark runner

adriangbot · 2026-10-27T20:14:30Z

🤖 Benchmark completed (GKE) | trigger

Instance: c4a-highmem-16 (12 vCPU / 65 GiB)

Comparing 8fccf69 (8fccf69) to 4ede583 diff

Run configuration

run benchmark tpch
env:
  DATAFUSION_EXECUTION_PARQUET_ENABLE_RLE_TO_DICTIONARY: "true"
  DATAFUSION_RUNTIME_MEMORY_LIMIT: "32G"
baseline:
  ref: "4ede5833f68dad5bc8169492dedc5749fcc4b8d5"
changed:
  ref: "8fccf69b78cfcddf53df0025958176ecdca556b5"

CPU Details (lscpu)

Architecture:                            aarch64
CPU op-mode(s):                          64-bit
Byte Order:                              Little Endian
CPU(s):                                  16
On-line CPU(s) list:                     0-15
Vendor ID:                               ARM
Model name:                              Neoverse-V2
Model:                                   1
Thread(s) per core:                      1
Core(s) per cluster:                     16
Socket(s):                               -
Cluster(s):                              1
Stepping:                                r0p1
BogoMIPS:                                2000.00
Flags:                                   fp asimd evtstrm aes pmull sha1 sha2 crc32 atomics fphp asimdhp cpuid asimdrdm jscvt fcma lrcpc dcpop sha3 sm3 sm4 asimddp sha512 sve asimdfhm dit uscat ilrcpc flagm sb paca pacg dcpodp sve2 sveaes svepmull svebitperm svesha3 svesm4 flagm2 frint svei8mm svebf16 i8mm bf16 dgh rng bti
L1d cache:                               1 MiB (16 instances)
L1i cache:                               1 MiB (16 instances)
L2 cache:                                32 MiB (16 instances)
L3 cache:                                80 MiB (1 instance)
NUMA node(s):                            1
NUMA node0 CPU(s):                       0-15
Vulnerability Gather data sampling:      Not affected
Vulnerability Indirect target selection: Not affected
Vulnerability Itlb multihit:             Not affected
Vulnerability L1tf:                      Not affected
Vulnerability Mds:                       Not affected
Vulnerability Meltdown:                  Not affected
Vulnerability Mmio stale data:           Not affected
Vulnerability Reg file data sampling:    Not affected
Vulnerability Retbleed:                  Not affected
Vulnerability Spec rstack overflow:      Not affected
Vulnerability Spec store bypass:         Mitigation; Speculative Store Bypass disabled via prctl
Vulnerability Spectre v1:                Mitigation; __user pointer sanitization
Vulnerability Spectre v2:                Mitigation; CSV2, BHB
Vulnerability Srbds:                     Not affected
Vulnerability Tsa:                       Not affected
Vulnerability Tsx async abort:           Not affected
Vulnerability Vmscape:                   Not affected

Details

Comparing HEAD and rich-T-kid_hash-join-dictionary-hash-reuse
--------------------
Benchmark tpch_sf1.json
--------------------
┏━━━━━━━━━━━┳━━━━━━━━━━━┳━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┳━━━━━━━━━━━┓
┃ Query     ┃      HEAD ┃ rich-T-kid_hash-join-dictionary-hash-reuse ┃    Change ┃
┡━━━━━━━━━━━╇━━━━━━━━━━━╇━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━╇━━━━━━━━━━━┩
│ QQuery 1  │  40.10 ms │                                   40.00 ms │ no change │
│ QQuery 2  │  18.49 ms │                                   18.48 ms │ no change │
│ QQuery 3  │  27.89 ms │                                   28.18 ms │ no change │
│ QQuery 4  │  17.10 ms │                                   16.96 ms │ no change │
│ QQuery 5  │  34.89 ms │                                   35.15 ms │ no change │
│ QQuery 6  │  13.55 ms │                                   13.46 ms │ no change │
│ QQuery 7  │  41.68 ms │                                   40.78 ms │ no change │
│ QQuery 8  │  41.07 ms │                                   40.82 ms │ no change │
│ QQuery 9  │  49.81 ms │                                   50.60 ms │ no change │
│ QQuery 10 │  58.54 ms │                                   58.70 ms │ no change │
│ QQuery 11 │  13.56 ms │                                   13.53 ms │ no change │
│ QQuery 12 │  21.01 ms │                                   21.04 ms │ no change │
│ QQuery 13 │  46.06 ms │                                   45.80 ms │ no change │
│ QQuery 14 │  23.72 ms │                                   23.83 ms │ no change │
│ QQuery 15 │  30.59 ms │                                   31.02 ms │ no change │
│ QQuery 16 │  13.52 ms │                                   13.33 ms │ no change │
│ QQuery 17 │  73.63 ms │                                   73.72 ms │ no change │
│ QQuery 18 │ 111.08 ms │                                  113.25 ms │ no change │
│ QQuery 19 │  29.65 ms │                                   29.68 ms │ no change │
│ QQuery 20 │  33.27 ms │                                   33.09 ms │ no change │
│ QQuery 21 │  52.90 ms │                                   52.73 ms │ no change │
│ QQuery 22 │  15.55 ms │                                   16.06 ms │ no change │
└───────────┴───────────┴────────────────────────────────────────────┴───────────┘
┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┳━━━━━━━━━━┓
┃ Benchmark Summary                                         ┃          ┃
┡━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━╇━━━━━━━━━━┩
│ Total Time (HEAD)                                         │ 807.67ms │
│ Total Time (rich-T-kid_hash-join-dictionary-hash-reuse)   │ 810.21ms │
│ Average Time (HEAD)                                       │  36.71ms │
│ Average Time (rich-T-kid_hash-join-dictionary-hash-reuse) │  36.83ms │
│ Queries Faster                                            │        0 │
│ Queries Slower                                            │        0 │
│ Queries with No Change                                    │       22 │
│ Queries with Failure                                      │        0 │
└───────────────────────────────────────────────────────────┴──────────┘

Distribution per query (min / mean ±stddev / max):

Comparing HEAD and rich-T-kid_hash-join-dictionary-hash-reuse
--------------------
Benchmark tpch_sf1.json
--------------------
┏━━━━━━━━━━━┳━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┳━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┳━━━━━━━━━━━━━━┓
┃ Query     ┃                              HEAD ┃ rich-T-kid_hash-join-dictionary-hash-reuse ┃       Change ┃
┡━━━━━━━━━━━╇━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━╇━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━╇━━━━━━━━━━━━━━┩
│ QQuery 1  │    40.10 / 41.31 ±1.18 / 42.77 ms │             40.00 / 41.11 ±1.09 / 42.94 ms │    no change │
│ QQuery 2  │    18.49 / 18.75 ±0.33 / 19.40 ms │             18.48 / 19.04 ±0.70 / 20.43 ms │    no change │
│ QQuery 3  │    27.89 / 28.09 ±0.18 / 28.43 ms │             28.18 / 28.46 ±0.36 / 29.16 ms │    no change │
│ QQuery 4  │    17.10 / 17.20 ±0.16 / 17.51 ms │             16.96 / 17.10 ±0.09 / 17.23 ms │    no change │
│ QQuery 5  │    34.89 / 35.20 ±0.32 / 35.81 ms │             35.15 / 35.28 ±0.11 / 35.48 ms │    no change │
│ QQuery 6  │    13.55 / 13.92 ±0.65 / 15.22 ms │             13.46 / 13.64 ±0.12 / 13.83 ms │    no change │
│ QQuery 7  │    41.68 / 43.57 ±2.00 / 46.76 ms │             40.78 / 42.62 ±1.52 / 45.19 ms │    no change │
│ QQuery 8  │    41.07 / 43.28 ±1.79 / 45.86 ms │             40.82 / 41.95 ±1.95 / 45.85 ms │    no change │
│ QQuery 9  │    49.81 / 51.47 ±1.01 / 52.45 ms │             50.60 / 51.71 ±0.71 / 52.82 ms │    no change │
│ QQuery 10 │    58.54 / 59.50 ±0.94 / 61.26 ms │             58.70 / 59.37 ±0.77 / 60.82 ms │    no change │
│ QQuery 11 │    13.56 / 13.69 ±0.14 / 13.93 ms │             13.53 / 13.74 ±0.21 / 14.14 ms │    no change │
│ QQuery 12 │    21.01 / 21.18 ±0.21 / 21.59 ms │             21.04 / 21.60 ±0.74 / 23.04 ms │    no change │
│ QQuery 13 │    46.06 / 47.47 ±1.29 / 49.27 ms │             45.80 / 47.11 ±1.73 / 50.52 ms │    no change │
│ QQuery 14 │    23.72 / 23.82 ±0.10 / 23.99 ms │             23.83 / 24.00 ±0.20 / 24.37 ms │    no change │
│ QQuery 15 │    30.59 / 30.90 ±0.27 / 31.23 ms │             31.02 / 31.81 ±0.95 / 33.63 ms │    no change │
│ QQuery 16 │    13.52 / 13.63 ±0.18 / 13.99 ms │             13.33 / 13.50 ±0.11 / 13.65 ms │    no change │
│ QQuery 17 │    73.63 / 75.09 ±1.64 / 78.08 ms │             73.72 / 74.30 ±0.30 / 74.50 ms │    no change │
│ QQuery 18 │ 111.08 / 115.08 ±2.91 / 120.07 ms │          113.25 / 117.94 ±4.13 / 125.04 ms │    no change │
│ QQuery 19 │    29.65 / 31.18 ±1.93 / 34.92 ms │             29.68 / 29.92 ±0.33 / 30.56 ms │    no change │
│ QQuery 20 │    33.27 / 33.45 ±0.15 / 33.71 ms │             33.09 / 33.61 ±0.57 / 34.71 ms │    no change │
│ QQuery 21 │    52.90 / 55.03 ±2.64 / 60.14 ms │             52.73 / 58.14 ±6.25 / 70.23 ms │ 1.06x slower │
│ QQuery 22 │    15.55 / 15.82 ±0.29 / 16.30 ms │             16.06 / 16.23 ±0.19 / 16.57 ms │    no change │
└───────────┴───────────────────────────────────┴────────────────────────────────────────────┴──────────────┘
┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┳━━━━━━━━━━┓
┃ Benchmark Summary                                         ┃          ┃
┡━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━╇━━━━━━━━━━┩
│ Total Time (HEAD)                                         │ 828.64ms │
│ Total Time (rich-T-kid_hash-join-dictionary-hash-reuse)   │ 832.19ms │
│ Average Time (HEAD)                                       │  37.67ms │
│ Average Time (rich-T-kid_hash-join-dictionary-hash-reuse) │  37.83ms │
│ Queries Faster                                            │        0 │
│ Queries Slower                                            │        1 │
│ Queries with No Change                                    │       21 │
│ Queries with Failure                                      │        0 │
└───────────────────────────────────────────────────────────┴──────────┘

Memory Pool Peaks

Peak MemoryPool reservation per query — what DataFusion's accounting believes it reserved. Recorded only for benchmarks that write a results JSON (the dfbench suites, and the suites bench.sh runs through the Criterion SQL harness since #25644), and only under a memory limit: DATAFUSION_RUNTIME_MEMORY_LIMIT, or one the suite sets itself.

Base: 4ede5833f68dad5bc8169492dedc5749fcc4b8d5 | Changed: 8fccf69b78cfcddf53df0025958176ecdca556b5

tpch — tpch_sf1

Query	Base	Changed	Change
Query 1	20.1 MiB	30.1 MiB	+49.6%
Query 2	23.1 MiB	23.1 MiB	+0.0%
Query 3	11.5 MiB	11.5 MiB	+0.0%
Query 4	22.3 MiB	22.3 MiB	+0.0%
Query 5	42.8 MiB	42.7 MiB	-0.0%
Query 6	832 B	832 B	+0.0%
Query 7	107.6 MiB	109.7 MiB	+2.0%
Query 8	33.9 MiB	34.0 MiB	+0.2%
Query 9	155.6 MiB	155.6 MiB	+0.0%
Query 10	61.5 MiB	61.7 MiB	+0.3%
Query 11	51.3 MiB	41.3 MiB	-19.5%
Query 12	20.1 MiB	10.2 MiB	-49.1%
Query 13	52.4 MiB	62.5 MiB	+19.3%
Query 14	7.7 MiB	7.7 MiB	+0.0%
Query 15	12.9 MiB	12.8 MiB	-0.8%
Query 16	33.9 MiB	42.3 MiB	+24.9%
Query 17	150.3 MiB	150.3 MiB	+0.0%
Query 18	2.7 GiB	2.7 GiB	+0.1%
Query 19	228.6 KiB	228.6 KiB	+0.0%
Query 20	59.4 MiB	59.3 MiB	-0.2%
Query 21	37.7 MiB	37.7 MiB	+0.0%
Query 22	32.1 MiB	22.0 MiB	-31.7%

Pool accounting vs. process RSS

Max pool peak is the largest reservation any single query in the run reached; peak RSS covers the whole invocation, including data loading and allocator retention, and the two high-water marks need not coincide in time. The gap is therefore an upper bound on what the pool did not account for, not a measurement of it.

Benchmark	Side	Max pool peak	Peak RSS	Gap	RSS / pool
tpch	base (`4ede5833f68dad5bc8169492dedc5749fcc4b8d5`)	2.7 GiB	1.9 GiB	−790.7 MiB	0.7×
tpch	changed (`8fccf69b78cfcddf53df0025958176ecdca556b5`)	2.7 GiB	2.0 GiB	−727.9 MiB	0.7×

Resource Usage

tpch — base (merge-base)

Metric	Value
Wall time	5.0s
Peak memory	1.9 GiB
Avg memory	839.7 MiB
CPU user	21.8s
CPU sys	1.6s
Peak spill	0 B

tpch — branch

Metric	Value
Wall time	5.0s
Peak memory	2.0 GiB
Avg memory	799.3 MiB
CPU user	21.8s
CPU sys	1.6s
Peak spill	0 B

File an issue against this benchmark runner

adriangbot · 2026-10-27T20:15:54Z

🤖 Benchmark completed (GKE) | trigger

Instance: c4a-highmem-16 (12 vCPU / 65 GiB)

Comparing 8fccf69 (8fccf69) to 4ede583 diff

Run configuration

run benchmark tpcds
env:
  DATAFUSION_EXECUTION_PARQUET_ENABLE_RLE_TO_DICTIONARY: "true"
  DATAFUSION_RUNTIME_MEMORY_LIMIT: "32G"
baseline:
  ref: "4ede5833f68dad5bc8169492dedc5749fcc4b8d5"
changed:
  ref: "8fccf69b78cfcddf53df0025958176ecdca556b5"

CPU Details (lscpu)

Architecture:                            aarch64
CPU op-mode(s):                          64-bit
Byte Order:                              Little Endian
CPU(s):                                  16
On-line CPU(s) list:                     0-15
Vendor ID:                               ARM
Model name:                              Neoverse-V2
Model:                                   1
Thread(s) per core:                      1
Core(s) per cluster:                     16
Socket(s):                               -
Cluster(s):                              1
Stepping:                                r0p1
BogoMIPS:                                2000.00
Flags:                                   fp asimd evtstrm aes pmull sha1 sha2 crc32 atomics fphp asimdhp cpuid asimdrdm jscvt fcma lrcpc dcpop sha3 sm3 sm4 asimddp sha512 sve asimdfhm dit uscat ilrcpc flagm sb paca pacg dcpodp sve2 sveaes svepmull svebitperm svesha3 svesm4 flagm2 frint svei8mm svebf16 i8mm bf16 dgh rng bti
L1d cache:                               1 MiB (16 instances)
L1i cache:                               1 MiB (16 instances)
L2 cache:                                32 MiB (16 instances)
L3 cache:                                80 MiB (1 instance)
NUMA node(s):                            1
NUMA node0 CPU(s):                       0-15
Vulnerability Gather data sampling:      Not affected
Vulnerability Indirect target selection: Not affected
Vulnerability Itlb multihit:             Not affected
Vulnerability L1tf:                      Not affected
Vulnerability Mds:                       Not affected
Vulnerability Meltdown:                  Not affected
Vulnerability Mmio stale data:           Not affected
Vulnerability Reg file data sampling:    Not affected
Vulnerability Retbleed:                  Not affected
Vulnerability Spec rstack overflow:      Not affected
Vulnerability Spec store bypass:         Mitigation; Speculative Store Bypass disabled via prctl
Vulnerability Spectre v1:                Mitigation; __user pointer sanitization
Vulnerability Spectre v2:                Mitigation; CSV2, BHB
Vulnerability Srbds:                     Not affected
Vulnerability Tsa:                       Not affected
Vulnerability Tsx async abort:           Not affected
Vulnerability Vmscape:                   Not affected

Details

Comparing HEAD and rich-T-kid_hash-join-dictionary-hash-reuse
--------------------
Benchmark tpcds_sf1.json
--------------------
┏━━━━━━━━━━━┳━━━━━━━━━━━━┳━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┳━━━━━━━━━━━━━━━┓
┃ Query     ┃       HEAD ┃ rich-T-kid_hash-join-dictionary-hash-reuse ┃        Change ┃
┡━━━━━━━━━━━╇━━━━━━━━━━━━╇━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━╇━━━━━━━━━━━━━━━┩
│ QQuery 1  │    5.16 ms │                                    5.32 ms │     no change │
│ QQuery 2  │   75.91 ms │                                   77.89 ms │     no change │
│ QQuery 3  │   28.38 ms │                                   28.99 ms │     no change │
│ QQuery 4  │  811.76 ms │                                  820.14 ms │     no change │
│ QQuery 5  │   50.06 ms │                                   49.96 ms │     no change │
│ QQuery 6  │   33.43 ms │                                   34.35 ms │     no change │
│ QQuery 7  │   72.80 ms │                                   73.81 ms │     no change │
│ QQuery 8  │   37.76 ms │                                   37.77 ms │     no change │
│ QQuery 9  │   50.48 ms │                                   51.43 ms │     no change │
│ QQuery 10 │   60.91 ms │                                   62.56 ms │     no change │
│ QQuery 11 │  462.63 ms │                                  465.06 ms │     no change │
│ QQuery 12 │   25.78 ms │                                   25.83 ms │     no change │
│ QQuery 13 │  111.88 ms │                                  112.29 ms │     no change │
│ QQuery 14 │  383.08 ms │                                  386.96 ms │     no change │
│ QQuery 15 │   51.37 ms │                                   51.45 ms │     no change │
│ QQuery 16 │    5.97 ms │                                    6.12 ms │     no change │
│ QQuery 17 │   78.91 ms │                                   80.21 ms │     no change │
│ QQuery 18 │  104.81 ms │                                  105.66 ms │     no change │
│ QQuery 19 │   40.56 ms │                                   41.19 ms │     no change │
│ QQuery 20 │   30.92 ms │                                   31.28 ms │     no change │
│ QQuery 21 │   16.67 ms │                                   16.84 ms │     no change │
│ QQuery 22 │   70.82 ms │                                   70.21 ms │     no change │
│ QQuery 23 │  310.71 ms │                                  307.14 ms │     no change │
│ QQuery 24 │  191.63 ms │                                  191.25 ms │     no change │
│ QQuery 25 │  106.96 ms │                                  107.04 ms │     no change │
│ QQuery 26 │   46.66 ms │                                   47.23 ms │     no change │
│ QQuery 27 │    5.85 ms │                                    6.13 ms │     no change │
│ QQuery 28 │   60.13 ms │                                   56.67 ms │ +1.06x faster │
│ QQuery 29 │   95.42 ms │                                   95.93 ms │     no change │
│ QQuery 30 │   36.44 ms │                                   36.26 ms │     no change │
│ QQuery 31 │  111.33 ms │                                  110.97 ms │     no change │
│ QQuery 32 │   19.53 ms │                                   20.00 ms │     no change │
│ QQuery 33 │   37.13 ms │                                   38.39 ms │     no change │
│ QQuery 34 │    9.62 ms │                                    9.47 ms │     no change │
│ QQuery 35 │   71.12 ms │                                   71.10 ms │     no change │
│ QQuery 36 │    5.79 ms │                                    5.78 ms │     no change │
│ QQuery 37 │    7.08 ms │                                    7.11 ms │     no change │
│ QQuery 38 │   64.02 ms │                                   63.94 ms │     no change │
│ QQuery 39 │   71.38 ms │                                   72.02 ms │     no change │
│ QQuery 40 │   23.14 ms │                                   22.83 ms │     no change │
│ QQuery 41 │   13.82 ms │                                   13.75 ms │     no change │
│ QQuery 42 │   23.86 ms │                                   24.02 ms │     no change │
│ QQuery 43 │    4.98 ms │                                    4.94 ms │     no change │
│ QQuery 44 │    8.42 ms │                                    8.45 ms │     no change │
│ QQuery 45 │   35.23 ms │                                   34.29 ms │     no change │
│ QQuery 46 │   10.97 ms │                                   11.13 ms │     no change │
│ QQuery 47 │  201.45 ms │                                  200.98 ms │     no change │
│ QQuery 48 │   90.96 ms │                                   91.31 ms │     no change │
│ QQuery 49 │   69.09 ms │                                   69.55 ms │     no change │
│ QQuery 50 │   58.15 ms │                                   58.23 ms │     no change │
│ QQuery 51 │   91.72 ms │                                   89.87 ms │     no change │
│ QQuery 52 │   24.12 ms │                                   24.27 ms │     no change │
│ QQuery 53 │   28.92 ms │                                   29.29 ms │     no change │
│ QQuery 54 │   52.44 ms │                                   53.20 ms │     no change │
│ QQuery 55 │   23.97 ms │                                   23.66 ms │     no change │
│ QQuery 56 │   38.90 ms │                                   38.75 ms │     no change │
│ QQuery 57 │  152.48 ms │                                  152.26 ms │     no change │
│ QQuery 58 │  102.40 ms │                                  102.36 ms │     no change │
│ QQuery 59 │  107.50 ms │                                  106.50 ms │     no change │
│ QQuery 60 │   42.69 ms │                                   42.78 ms │     no change │
│ QQuery 61 │    9.57 ms │                                    9.44 ms │     no change │
│ QQuery 62 │   37.83 ms │                                   38.21 ms │     no change │
│ QQuery 63 │   29.15 ms │                                   28.95 ms │     no change │
│ QQuery 64 │  365.97 ms │                                  363.42 ms │     no change │
│ QQuery 65 │  133.90 ms │                                  133.11 ms │     no change │
│ QQuery 66 │   73.36 ms │                                   73.24 ms │     no change │
│ QQuery 67 │  229.63 ms │                                  228.94 ms │     no change │
│ QQuery 68 │   11.77 ms │                                   11.66 ms │     no change │
│ QQuery 69 │   56.78 ms │                                   56.92 ms │     no change │
│ QQuery 70 │   98.23 ms │                                   98.07 ms │     no change │
│ QQuery 71 │   34.86 ms │                                   35.03 ms │     no change │
│ QQuery 72 │ 1630.02 ms │                                 1542.23 ms │ +1.06x faster │
│ QQuery 73 │    9.28 ms │                                    9.18 ms │     no change │
│ QQuery 74 │  247.69 ms │                                  242.30 ms │     no change │
│ QQuery 75 │  139.18 ms │                                  138.77 ms │     no change │
│ QQuery 76 │   33.81 ms │                                   33.80 ms │     no change │
│ QQuery 77 │   59.51 ms │                                   59.09 ms │     no change │
│ QQuery 78 │  157.97 ms │                                  160.81 ms │     no change │
│ QQuery 79 │   66.90 ms │                                   66.47 ms │     no change │
│ QQuery 80 │   94.68 ms │                                   94.76 ms │     no change │
│ QQuery 81 │   28.17 ms │                                   28.39 ms │     no change │
│ QQuery 82 │   16.74 ms │                                   16.73 ms │     no change │
│ QQuery 83 │   31.63 ms │                                   32.42 ms │     no change │
│ QQuery 84 │   30.56 ms │                                   31.17 ms │     no change │
│ QQuery 85 │   98.17 ms │                                   99.90 ms │     no change │
│ QQuery 86 │   24.68 ms │                                   24.69 ms │     no change │
│ QQuery 87 │   65.51 ms │                                   64.21 ms │     no change │
│ QQuery 88 │   58.49 ms │                                   58.17 ms │     no change │
│ QQuery 89 │   36.48 ms │                                   35.73 ms │     no change │
│ QQuery 90 │   16.27 ms │                                   15.69 ms │     no change │
│ QQuery 91 │   40.52 ms │                                   40.54 ms │     no change │
│ QQuery 92 │   28.77 ms │                                   29.18 ms │     no change │
│ QQuery 93 │   49.05 ms │                                   48.51 ms │     no change │
│ QQuery 94 │   37.74 ms │                                   37.76 ms │     no change │
│ QQuery 95 │   79.67 ms │                                   80.15 ms │     no change │
│ QQuery 96 │   23.51 ms │                                   23.66 ms │     no change │
│ QQuery 97 │   50.51 ms │                                   49.98 ms │     no change │
│ QQuery 98 │   38.19 ms │                                   37.66 ms │     no change │
│ QQuery 99 │   56.75 ms │                                   56.25 ms │     no change │
└───────────┴────────────┴────────────────────────────────────────────┴───────────────┘
┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┳━━━━━━━━━━━┓
┃ Benchmark Summary                                         ┃           ┃
┡━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━╇━━━━━━━━━━━┩
│ Total Time (HEAD)                                         │ 9397.57ms │
│ Total Time (rich-T-kid_hash-join-dictionary-hash-reuse)   │ 9319.40ms │
│ Average Time (HEAD)                                       │   94.92ms │
│ Average Time (rich-T-kid_hash-join-dictionary-hash-reuse) │   94.14ms │
│ Queries Faster                                            │         2 │
│ Queries Slower                                            │         0 │
│ Queries with No Change                                    │        97 │
│ Queries with Failure                                      │         0 │
└───────────────────────────────────────────────────────────┴───────────┘

Distribution per query (min / mean ±stddev / max):

Comparing HEAD and rich-T-kid_hash-join-dictionary-hash-reuse
--------------------
Benchmark tpcds_sf1.json
--------------------
┏━━━━━━━━━━━┳━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┳━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┳━━━━━━━━━━━━━━━┓
┃ Query     ┃                                  HEAD ┃ rich-T-kid_hash-join-dictionary-hash-reuse ┃        Change ┃
┡━━━━━━━━━━━╇━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━╇━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━╇━━━━━━━━━━━━━━━┩
│ QQuery 1  │           5.16 / 5.75 ±1.07 / 7.88 ms │                5.32 / 5.91 ±1.11 / 8.13 ms │     no change │
│ QQuery 2  │        75.91 / 76.92 ±0.52 / 77.36 ms │             77.89 / 78.38 ±0.39 / 79.06 ms │     no change │
│ QQuery 3  │        28.38 / 28.82 ±0.32 / 29.30 ms │             28.99 / 29.29 ±0.19 / 29.51 ms │     no change │
│ QQuery 4  │     811.76 / 826.29 ±9.38 / 840.44 ms │          820.14 / 832.63 ±7.55 / 842.81 ms │     no change │
│ QQuery 5  │        50.06 / 50.48 ±0.31 / 50.78 ms │             49.96 / 50.90 ±0.79 / 52.27 ms │     no change │
│ QQuery 6  │        33.43 / 35.73 ±3.55 / 42.80 ms │             34.35 / 35.02 ±0.92 / 36.83 ms │     no change │
│ QQuery 7  │        72.80 / 73.83 ±0.94 / 75.41 ms │             73.81 / 74.57 ±0.64 / 75.54 ms │     no change │
│ QQuery 8  │        37.76 / 38.03 ±0.27 / 38.53 ms │             37.77 / 38.06 ±0.22 / 38.38 ms │     no change │
│ QQuery 9  │        50.48 / 52.94 ±1.67 / 55.02 ms │             51.43 / 52.95 ±1.29 / 55.34 ms │     no change │
│ QQuery 10 │        60.91 / 63.98 ±3.65 / 71.15 ms │             62.56 / 64.26 ±2.46 / 69.05 ms │     no change │
│ QQuery 11 │     462.63 / 465.68 ±1.97 / 468.38 ms │          465.06 / 466.85 ±1.60 / 468.79 ms │     no change │
│ QQuery 12 │        25.78 / 26.07 ±0.34 / 26.73 ms │             25.83 / 26.03 ±0.12 / 26.14 ms │     no change │
│ QQuery 13 │     111.88 / 112.73 ±0.86 / 114.35 ms │          112.29 / 114.39 ±3.04 / 120.39 ms │     no change │
│ QQuery 14 │     383.08 / 387.68 ±3.03 / 392.51 ms │          386.96 / 389.29 ±1.89 / 391.91 ms │     no change │
│ QQuery 15 │        51.37 / 52.52 ±1.79 / 56.06 ms │             51.45 / 53.12 ±2.59 / 58.23 ms │     no change │
│ QQuery 16 │           5.97 / 6.17 ±0.22 / 6.60 ms │                6.12 / 6.37 ±0.26 / 6.83 ms │     no change │
│ QQuery 17 │        78.91 / 79.49 ±0.54 / 80.32 ms │             80.21 / 80.82 ±0.40 / 81.31 ms │     no change │
│ QQuery 18 │     104.81 / 107.22 ±2.71 / 112.26 ms │          105.66 / 106.66 ±0.86 / 108.18 ms │     no change │
│ QQuery 19 │        40.56 / 41.00 ±0.25 / 41.22 ms │             41.19 / 41.97 ±0.51 / 42.75 ms │     no change │
│ QQuery 20 │        30.92 / 31.40 ±0.50 / 32.37 ms │             31.28 / 31.52 ±0.15 / 31.66 ms │     no change │
│ QQuery 21 │        16.67 / 17.07 ±0.29 / 17.39 ms │             16.84 / 17.03 ±0.13 / 17.21 ms │     no change │
│ QQuery 22 │        70.82 / 71.47 ±0.74 / 72.40 ms │             70.21 / 71.16 ±0.89 / 72.31 ms │     no change │
│ QQuery 23 │     310.71 / 314.30 ±3.85 / 321.70 ms │          307.14 / 310.62 ±2.64 / 314.57 ms │     no change │
│ QQuery 24 │     191.63 / 194.08 ±2.93 / 199.78 ms │          191.25 / 194.81 ±2.51 / 198.47 ms │     no change │
│ QQuery 25 │     106.96 / 108.45 ±2.10 / 112.52 ms │          107.04 / 107.63 ±0.51 / 108.34 ms │     no change │
│ QQuery 26 │        46.66 / 48.16 ±1.76 / 51.60 ms │             47.23 / 48.84 ±2.72 / 54.26 ms │     no change │
│ QQuery 27 │           5.85 / 6.08 ±0.18 / 6.30 ms │                6.13 / 6.30 ±0.14 / 6.55 ms │     no change │
│ QQuery 28 │        60.13 / 61.13 ±1.05 / 63.03 ms │             56.67 / 60.53 ±1.97 / 62.19 ms │     no change │
│ QQuery 29 │       95.42 / 97.79 ±2.36 / 102.14 ms │             95.93 / 97.01 ±0.92 / 98.00 ms │     no change │
│ QQuery 30 │        36.44 / 36.92 ±0.47 / 37.56 ms │             36.26 / 37.16 ±0.75 / 38.10 ms │     no change │
│ QQuery 31 │     111.33 / 112.67 ±1.67 / 115.87 ms │          110.97 / 111.98 ±0.62 / 112.80 ms │     no change │
│ QQuery 32 │        19.53 / 19.87 ±0.22 / 20.21 ms │             20.00 / 20.18 ±0.09 / 20.27 ms │     no change │
│ QQuery 33 │        37.13 / 39.02 ±1.97 / 42.69 ms │             38.39 / 39.77 ±1.78 / 43.23 ms │     no change │
│ QQuery 34 │          9.62 / 9.81 ±0.17 / 10.03 ms │               9.47 / 9.71 ±0.22 / 10.12 ms │     no change │
│ QQuery 35 │        71.12 / 71.21 ±0.06 / 71.28 ms │             71.10 / 71.56 ±0.38 / 72.17 ms │     no change │
│ QQuery 36 │           5.79 / 5.92 ±0.23 / 6.37 ms │                5.78 / 5.94 ±0.28 / 6.50 ms │     no change │
│ QQuery 37 │           7.08 / 7.21 ±0.13 / 7.44 ms │                7.11 / 7.20 ±0.09 / 7.37 ms │     no change │
│ QQuery 38 │        64.02 / 64.60 ±0.76 / 66.07 ms │             63.94 / 64.55 ±0.86 / 66.25 ms │     no change │
│ QQuery 39 │        71.38 / 72.79 ±1.21 / 74.98 ms │             72.02 / 73.71 ±1.92 / 77.37 ms │     no change │
│ QQuery 40 │        23.14 / 23.58 ±0.30 / 23.98 ms │             22.83 / 23.38 ±0.36 / 23.84 ms │     no change │
│ QQuery 41 │        13.82 / 14.04 ±0.14 / 14.24 ms │             13.75 / 14.06 ±0.25 / 14.39 ms │     no change │
│ QQuery 42 │        23.86 / 24.26 ±0.30 / 24.69 ms │             24.02 / 24.37 ±0.37 / 25.01 ms │     no change │
│ QQuery 43 │           4.98 / 5.11 ±0.20 / 5.50 ms │                4.94 / 5.14 ±0.27 / 5.66 ms │     no change │
│ QQuery 44 │           8.42 / 8.59 ±0.13 / 8.82 ms │               8.45 / 9.09 ±1.18 / 11.44 ms │  1.06x slower │
│ QQuery 45 │        35.23 / 36.32 ±1.35 / 38.96 ms │             34.29 / 34.97 ±0.40 / 35.33 ms │     no change │
│ QQuery 46 │        10.97 / 11.33 ±0.23 / 11.69 ms │             11.13 / 11.45 ±0.31 / 11.99 ms │     no change │
│ QQuery 47 │     201.45 / 205.18 ±4.56 / 213.26 ms │          200.98 / 201.95 ±0.54 / 202.61 ms │     no change │
│ QQuery 48 │        90.96 / 92.64 ±2.23 / 97.03 ms │             91.31 / 92.39 ±0.89 / 93.56 ms │     no change │
│ QQuery 49 │        69.09 / 70.67 ±1.48 / 73.33 ms │             69.55 / 70.93 ±1.65 / 73.86 ms │     no change │
│ QQuery 50 │        58.15 / 58.56 ±0.29 / 59.03 ms │             58.23 / 58.39 ±0.21 / 58.80 ms │     no change │
│ QQuery 51 │       91.72 / 95.30 ±5.06 / 105.29 ms │            89.87 / 93.59 ±4.14 / 101.51 ms │     no change │
│ QQuery 52 │        24.12 / 24.41 ±0.21 / 24.78 ms │             24.27 / 24.32 ±0.04 / 24.38 ms │     no change │
│ QQuery 53 │        28.92 / 29.32 ±0.27 / 29.74 ms │             29.29 / 29.99 ±1.04 / 32.06 ms │     no change │
│ QQuery 54 │        52.44 / 53.04 ±0.48 / 53.79 ms │             53.20 / 53.58 ±0.30 / 54.00 ms │     no change │
│ QQuery 55 │        23.97 / 26.03 ±3.21 / 32.40 ms │             23.66 / 23.97 ±0.19 / 24.16 ms │ +1.09x faster │
│ QQuery 56 │        38.90 / 39.23 ±0.19 / 39.41 ms │             38.75 / 38.86 ±0.08 / 38.99 ms │     no change │
│ QQuery 57 │     152.48 / 153.44 ±0.92 / 154.89 ms │          152.26 / 153.98 ±1.41 / 155.66 ms │     no change │
│ QQuery 58 │     102.40 / 103.44 ±0.88 / 104.93 ms │          102.36 / 103.43 ±0.99 / 105.12 ms │     no change │
│ QQuery 59 │     107.50 / 109.41 ±1.40 / 111.30 ms │          106.50 / 107.92 ±1.60 / 110.92 ms │     no change │
│ QQuery 60 │        42.69 / 43.99 ±0.87 / 45.25 ms │             42.78 / 43.12 ±0.18 / 43.27 ms │     no change │
│ QQuery 61 │          9.57 / 9.70 ±0.20 / 10.08 ms │               9.44 / 9.59 ±0.22 / 10.01 ms │     no change │
│ QQuery 62 │        37.83 / 38.70 ±0.58 / 39.64 ms │             38.21 / 38.59 ±0.23 / 38.94 ms │     no change │
│ QQuery 63 │        29.15 / 30.19 ±1.11 / 32.36 ms │             28.95 / 29.75 ±0.55 / 30.65 ms │     no change │
│ QQuery 64 │     365.97 / 368.40 ±2.52 / 372.12 ms │          363.42 / 366.03 ±2.34 / 369.27 ms │     no change │
│ QQuery 65 │     133.90 / 137.32 ±4.29 / 145.76 ms │          133.11 / 135.36 ±1.97 / 139.05 ms │     no change │
│ QQuery 66 │        73.36 / 73.67 ±0.22 / 73.96 ms │             73.24 / 73.79 ±0.40 / 74.29 ms │     no change │
│ QQuery 67 │     229.63 / 233.31 ±2.18 / 235.55 ms │          228.94 / 232.58 ±2.84 / 237.37 ms │     no change │
│ QQuery 68 │        11.77 / 11.86 ±0.08 / 11.99 ms │             11.66 / 11.89 ±0.12 / 11.97 ms │     no change │
│ QQuery 69 │        56.78 / 60.00 ±5.21 / 70.38 ms │             56.92 / 58.74 ±2.89 / 64.50 ms │     no change │
│ QQuery 70 │       98.23 / 99.79 ±1.33 / 101.77 ms │            98.07 / 99.15 ±1.20 / 101.22 ms │     no change │
│ QQuery 71 │        34.86 / 35.22 ±0.23 / 35.42 ms │             35.03 / 35.70 ±0.64 / 36.69 ms │     no change │
│ QQuery 72 │ 1630.02 / 1686.00 ±47.08 / 1741.64 ms │      1542.23 / 1604.84 ±79.33 / 1759.78 ms │     no change │
│ QQuery 73 │          9.28 / 9.61 ±0.24 / 10.00 ms │                9.18 / 9.51 ±0.24 / 9.89 ms │     no change │
│ QQuery 74 │     247.69 / 250.89 ±2.95 / 254.70 ms │          242.30 / 244.51 ±1.73 / 247.13 ms │     no change │
│ QQuery 75 │     139.18 / 142.28 ±3.06 / 147.17 ms │          138.77 / 141.08 ±2.08 / 144.46 ms │     no change │
│ QQuery 76 │        33.81 / 34.62 ±0.49 / 35.29 ms │             33.80 / 34.30 ±0.30 / 34.68 ms │     no change │
│ QQuery 77 │        59.51 / 59.94 ±0.51 / 60.90 ms │             59.09 / 61.40 ±2.82 / 66.61 ms │     no change │
│ QQuery 78 │     157.97 / 162.24 ±3.79 / 167.55 ms │          160.81 / 163.29 ±2.77 / 167.20 ms │     no change │
│ QQuery 79 │        66.90 / 67.45 ±0.33 / 67.78 ms │             66.47 / 69.61 ±4.81 / 79.18 ms │     no change │
│ QQuery 80 │       94.68 / 96.55 ±2.48 / 101.34 ms │            94.76 / 96.61 ±2.13 / 100.31 ms │     no change │
│ QQuery 81 │        28.17 / 28.35 ±0.27 / 28.88 ms │             28.39 / 28.71 ±0.37 / 29.40 ms │     no change │
│ QQuery 82 │        16.74 / 17.08 ±0.53 / 18.13 ms │             16.73 / 16.97 ±0.15 / 17.13 ms │     no change │
│ QQuery 83 │        31.63 / 32.71 ±1.46 / 35.60 ms │             32.42 / 35.49 ±5.50 / 46.47 ms │  1.08x slower │
│ QQuery 84 │        30.56 / 30.89 ±0.31 / 31.30 ms │             31.17 / 31.34 ±0.15 / 31.56 ms │     no change │
│ QQuery 85 │      98.17 / 101.24 ±4.30 / 109.80 ms │           99.90 / 100.78 ±1.33 / 103.40 ms │     no change │
│ QQuery 86 │        24.68 / 25.05 ±0.30 / 25.41 ms │             24.69 / 25.07 ±0.25 / 25.38 ms │     no change │
│ QQuery 87 │        65.51 / 66.32 ±0.61 / 67.37 ms │             64.21 / 65.60 ±1.18 / 67.73 ms │     no change │
│ QQuery 88 │        58.49 / 61.00 ±3.72 / 68.42 ms │             58.17 / 59.37 ±1.50 / 62.30 ms │     no change │
│ QQuery 89 │        36.48 / 36.83 ±0.48 / 37.71 ms │             35.73 / 36.07 ±0.36 / 36.72 ms │     no change │
│ QQuery 90 │        16.27 / 16.51 ±0.19 / 16.85 ms │             15.69 / 15.87 ±0.20 / 16.25 ms │     no change │
│ QQuery 91 │        40.52 / 40.87 ±0.22 / 41.13 ms │             40.54 / 41.43 ±1.09 / 43.53 ms │     no change │
│ QQuery 92 │        28.77 / 29.58 ±0.69 / 30.44 ms │             29.18 / 29.74 ±0.45 / 30.29 ms │     no change │
│ QQuery 93 │        49.05 / 50.15 ±0.79 / 51.06 ms │             48.51 / 49.32 ±0.42 / 49.70 ms │     no change │
│ QQuery 94 │        37.74 / 39.36 ±1.78 / 42.68 ms │             37.76 / 38.67 ±0.90 / 40.16 ms │     no change │
│ QQuery 95 │        79.67 / 80.91 ±0.98 / 82.10 ms │             80.15 / 81.14 ±0.79 / 82.26 ms │     no change │
│ QQuery 96 │        23.51 / 24.61 ±1.45 / 27.45 ms │             23.66 / 23.98 ±0.23 / 24.31 ms │     no change │
│ QQuery 97 │        50.51 / 52.55 ±1.22 / 54.35 ms │             49.98 / 51.02 ±0.96 / 52.43 ms │     no change │
│ QQuery 98 │        38.19 / 39.95 ±2.76 / 45.42 ms │             37.66 / 37.95 ±0.23 / 38.26 ms │ +1.05x faster │
│ QQuery 99 │        56.75 / 57.10 ±0.38 / 57.75 ms │             56.25 / 56.91 ±0.41 / 57.33 ms │     no change │
└───────────┴───────────────────────────────────────┴────────────────────────────────────────────┴───────────────┘
┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┳━━━━━━━━━━━┓
┃ Benchmark Summary                                         ┃           ┃
┡━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━╇━━━━━━━━━━━┩
│ Total Time (HEAD)                                         │ 9587.96ms │
│ Total Time (rich-T-kid_hash-join-dictionary-hash-reuse)   │ 9495.30ms │
│ Average Time (HEAD)                                       │   96.85ms │
│ Average Time (rich-T-kid_hash-join-dictionary-hash-reuse) │   95.91ms │
│ Queries Faster                                            │         2 │
│ Queries Slower                                            │         2 │
│ Queries with No Change                                    │        95 │
│ Queries with Failure                                      │         0 │
└───────────────────────────────────────────────────────────┴───────────┘

Memory Pool Peaks

Peak MemoryPool reservation per query — what DataFusion's accounting believes it reserved. Recorded only for benchmarks that write a results JSON (the dfbench suites, and the suites bench.sh runs through the Criterion SQL harness since #25644), and only under a memory limit: DATAFUSION_RUNTIME_MEMORY_LIMIT, or one the suite sets itself.

Base: 4ede5833f68dad5bc8169492dedc5749fcc4b8d5 | Changed: 8fccf69b78cfcddf53df0025958176ecdca556b5

tpcds — tpcds_sf1

Query	Base	Changed	Change
Query 1	197.5 KiB	135.4 KiB	-31.4%
Query 2	72.7 MiB	92.9 MiB	+27.8%
Query 3	1.7 MiB	1.8 MiB	+11.2%
Query 4	79.7 MiB	79.7 MiB	-0.0%
Query 5	12.5 MiB	13.0 MiB	+4.2%
Query 6	4.5 MiB	4.7 MiB	+6.1%
Query 7	3.7 MiB	3.7 MiB	+0.5%
Query 8	2.1 MiB	2.1 MiB	-0.7%
Query 9	32.1 KiB	32.1 KiB	+0.0%
Query 10	2.0 MiB	2.0 MiB	+0.0%
Query 11	62.0 MiB	62.0 MiB	+0.0%
Query 12	114.4 MiB	114.4 MiB	-0.0%
Query 13	13.7 MiB	13.0 MiB	-4.8%
Query 14	170.9 MiB	170.9 MiB	+0.0%
Query 15	4.2 MiB	4.1 MiB	-3.1%
Query 16	118.6 KiB	118.6 KiB	+0.0%
Query 17	40.6 MiB	40.5 MiB	-0.1%
Query 18	21.2 MiB	21.2 MiB	+0.0%
Query 19	2.1 MiB	2.1 MiB	+1.5%
Query 20	114.6 MiB	114.6 MiB	-0.0%
Query 21	2.5 MiB	3.3 MiB	+31.9%
Query 22	61.8 MiB	61.8 MiB	+0.0%
Query 23	212.0 MiB	213.3 MiB	+0.6%
Query 24	38.7 MiB	38.7 MiB	+0.0%
Query 25	99.9 MiB	99.9 MiB	+0.0%
Query 26	3.5 MiB	3.8 MiB	+7.3%
Query 27	1.6 MiB	1.6 MiB	+0.0%
Query 28	1.5 MiB	1.3 MiB	-9.1%
Query 29	104.7 MiB	104.7 MiB	+0.0%
Query 30	3.7 MiB	3.7 MiB	-0.1%
Query 31	13.4 MiB	13.4 MiB	+0.0%
Query 32	2.7 MiB	2.7 MiB	+0.0%
Query 33	4.2 MiB	5.3 MiB	+25.9%
Query 34	6.0 MiB	6.0 MiB	+0.0%
Query 35	17.5 MiB	16.6 MiB	-5.1%
Query 36	10.3 MiB	10.3 MiB	+0.0%
Query 37	3.3 MiB	3.3 MiB	+0.0%
Query 38	10.8 MiB	10.8 MiB	+0.0%
Query 39	33.0 MiB	32.1 MiB	-2.7%
Query 40	12.2 MiB	12.2 MiB	+0.0%
Query 41	2.1 MiB	2.1 MiB	+0.0%
Query 42	1.3 MiB	1.3 MiB	-0.1%
Query 43	275.0 KiB	275.0 KiB	+0.0%
Query 44	233.2 KiB	233.2 KiB	+0.0%
Query 45	4.5 MiB	4.5 MiB	+0.0%
Query 46	6.2 MiB	6.2 MiB	+0.0%
Query 47	128.5 MiB	128.5 MiB	-0.0%
Query 48	11.8 MiB	11.8 MiB	+0.0%
Query 49	43.2 MiB	52.0 MiB	+20.3%
Query 50	16.9 MiB	16.9 MiB	-0.3%
Query 51	177.7 MiB	177.7 MiB	+0.0%
Query 52	1.5 MiB	1.5 MiB	+0.7%
Query 53	30.4 MiB	30.6 MiB	+0.5%
Query 54	2.1 MiB	2.1 MiB	+0.0%
Query 55	1.2 MiB	1.5 MiB	+21.8%
Query 56	3.1 MiB	2.9 MiB	-3.8%
Query 57	128.1 MiB	120.8 MiB	-5.7%
Query 58	4.2 MiB	4.4 MiB	+5.1%
Query 59	11.7 MiB	11.7 MiB	+0.0%
Query 60	7.2 MiB	7.2 MiB	+0.0%
Query 61	2.4 KiB	2.5 KiB	+3.3%
Query 62	3.7 MiB	3.3 MiB	-9.1%
Query 63	30.6 MiB	30.6 MiB	+0.0%
Query 64	83.7 MiB	85.6 MiB	+2.3%
Query 65	29.7 MiB	29.7 MiB	+0.0%
Query 66	14.9 MiB	14.9 MiB	+0.0%
Query 67	143.0 MiB	138.1 MiB	-3.4%
Query 68	6.2 MiB	6.2 MiB	+0.0%
Query 69	3.6 MiB	3.7 MiB	+1.9%
Query 70	44.0 MiB	44.0 MiB	+0.0%
Query 71	30.6 MiB	40.4 MiB	+31.9%
Query 72	97.2 MiB	97.2 MiB	+0.0%
Query 73	6.0 MiB	6.0 MiB	+0.0%
Query 74	34.6 MiB	34.6 MiB	-0.0%
Query 75	20.2 MiB	20.8 MiB	+2.9%
Query 76	7.9 MiB	7.9 MiB	+0.0%
Query 77	4.1 MiB	4.1 MiB	+0.0%
Query 78	110.7 MiB	109.4 MiB	-1.1%
Query 79	8.0 MiB	9.3 MiB	+16.2%
Query 80	41.6 MiB	41.6 MiB	+0.0%
Query 81	4.1 MiB	4.1 MiB	+1.3%
Query 82	4.9 MiB	4.9 MiB	+0.0%
Query 83	9.7 MiB	9.0 MiB	-7.0%
Query 84	11.9 MiB	11.9 MiB	+0.0%
Query 85	17.0 MiB	17.0 MiB	+0.0%
Query 86	82.1 MiB	82.1 MiB	+0.0%
Query 87	12.9 MiB	12.9 MiB	+0.0%
Query 88	1.6 MiB	1.5 MiB	-7.4%
Query 89	112.2 MiB	112.2 MiB	+0.0%
Query 90	348.6 KiB	363.7 KiB	+4.3%
Query 91	21.1 MiB	31.0 MiB	+46.6%
Query 92	2.7 MiB	2.9 MiB	+8.1%
Query 93	15.1 MiB	15.4 MiB	+1.7%
Query 94	3.7 MiB	3.7 MiB	+0.0%
Query 95	16.8 MiB	18.8 MiB	+12.0%
Query 96	224.7 KiB	224.7 KiB	+0.0%
Query 97	33.1 MiB	33.1 MiB	+0.2%
Query 98	114.7 MiB	114.7 MiB	-0.0%
Query 99	1.4 MiB	1.6 MiB	+12.7%

Pool accounting vs. process RSS

Max pool peak is the largest reservation any single query in the run reached; peak RSS covers the whole invocation, including data loading and allocator retention, and the two high-water marks need not coincide in time. The gap is therefore an upper bound on what the pool did not account for, not a measurement of it.

Benchmark	Side	Max pool peak	Peak RSS	Gap	RSS / pool
tpcds	base (`4ede5833f68dad5bc8169492dedc5749fcc4b8d5`)	212.0 MiB	1.8 GiB	1.6 GiB	8.8×
tpcds	changed (`8fccf69b78cfcddf53df0025958176ecdca556b5`)	213.3 MiB	2.1 GiB	1.9 GiB	10.0×

Resource Usage

tpcds — base (merge-base)

Metric	Value
Wall time	50.0s
Peak memory	1.8 GiB
Avg memory	1.3 GiB
CPU user	194.9s
CPU sys	5.7s
Peak spill	0 B

tpcds — branch

Metric	Value
Wall time	50.0s
Peak memory	2.1 GiB
Avg memory	1.5 GiB
CPU user	188.4s
CPU sys	5.4s
Peak spill	0 B

File an issue against this benchmark runner

adriangbot · 2026-10-27T20:16:14Z

🤖 Benchmark running (GKE) | trigger
Instance: c4a-highmem-16 (12 vCPU / 65 GiB) | Linux bench-c6452321744-3963-dj8nr 6.12.105+ #1 SMP Sat Sep 19 07:55:25 UTC 2026 aarch64 GNU/Linux

CPU Details (lscpu)

Architecture:                            aarch64
CPU op-mode(s):                          64-bit
Byte Order:                              Little Endian
CPU(s):                                  16
On-line CPU(s) list:                     0-15
Vendor ID:                               ARM
Model name:                              Neoverse-V2
Model:                                   1
Thread(s) per core:                      1
Core(s) per cluster:                     16
Socket(s):                               -
Cluster(s):                              1
Stepping:                                r0p1
BogoMIPS:                                2000.00
Flags:                                   fp asimd evtstrm aes pmull sha1 sha2 crc32 atomics fphp asimdhp cpuid asimdrdm jscvt fcma lrcpc dcpop sha3 sm3 sm4 asimddp sha512 sve asimdfhm dit uscat ilrcpc flagm sb paca pacg dcpodp sve2 sveaes svepmull svebitperm svesha3 svesm4 flagm2 frint svei8mm svebf16 i8mm bf16 dgh rng bti
L1d cache:                               1 MiB (16 instances)
L1i cache:                               1 MiB (16 instances)
L2 cache:                                32 MiB (16 instances)
L3 cache:                                80 MiB (1 instance)
NUMA node(s):                            1
NUMA node0 CPU(s):                       0-15
Vulnerability Gather data sampling:      Not affected
Vulnerability Indirect target selection: Not affected
Vulnerability Itlb multihit:             Not affected
Vulnerability L1tf:                      Not affected
Vulnerability Mds:                       Not affected
Vulnerability Meltdown:                  Not affected
Vulnerability Mmio stale data:           Not affected
Vulnerability Reg file data sampling:    Not affected
Vulnerability Retbleed:                  Not affected
Vulnerability Spec rstack overflow:      Not affected
Vulnerability Spec store bypass:         Mitigation; Speculative Store Bypass disabled via prctl
Vulnerability Spectre v1:                Mitigation; __user pointer sanitization
Vulnerability Spectre v2:                Mitigation; CSV2, BHB
Vulnerability Srbds:                     Not affected
Vulnerability Tsa:                       Not affected
Vulnerability Tsx async abort:           Not affected
Vulnerability Vmscape:                   Not affected

Comparing 8fccf69 (8fccf69) to 4ede583 diff

Run configuration

run benchmark tpch
env:
  DATAFUSION_EXECUTION_PARQUET_ENABLE_RLE_TO_DICTIONARY: "true"
  DATAFUSION_RUNTIME_MEMORY_LIMIT: "32G"
baseline:
  ref: "4ede5833f68dad5bc8169492dedc5749fcc4b8d5"
changed:
  ref: "8fccf69b78cfcddf53df0025958176ecdca556b5"

Results will be posted here when complete

File an issue against this benchmark runner

adriangbot · 2026-10-27T20:16:15Z

🤖 Benchmark running (GKE) | trigger
Instance: c4a-highmem-16 (12 vCPU / 65 GiB) | Linux bench-c6452300217-3962-9zzs4 6.12.105+ #1 SMP Sat Sep 19 07:55:25 UTC 2026 aarch64 GNU/Linux

CPU Details (lscpu)

Architecture:                            aarch64
CPU op-mode(s):                          64-bit
Byte Order:                              Little Endian
CPU(s):                                  16
On-line CPU(s) list:                     0-15
Vendor ID:                               ARM
Model name:                              Neoverse-V2
Model:                                   1
Thread(s) per core:                      1
Core(s) per cluster:                     16
Socket(s):                               -
Cluster(s):                              1
Stepping:                                r0p1
BogoMIPS:                                2000.00
Flags:                                   fp asimd evtstrm aes pmull sha1 sha2 crc32 atomics fphp asimdhp cpuid asimdrdm jscvt fcma lrcpc dcpop sha3 sm3 sm4 asimddp sha512 sve asimdfhm dit uscat ilrcpc flagm sb paca pacg dcpodp sve2 sveaes svepmull svebitperm svesha3 svesm4 flagm2 frint svei8mm svebf16 i8mm bf16 dgh rng bti
L1d cache:                               1 MiB (16 instances)
L1i cache:                               1 MiB (16 instances)
L2 cache:                                32 MiB (16 instances)
L3 cache:                                80 MiB (1 instance)
NUMA node(s):                            1
NUMA node0 CPU(s):                       0-15
Vulnerability Gather data sampling:      Not affected
Vulnerability Indirect target selection: Not affected
Vulnerability Itlb multihit:             Not affected
Vulnerability L1tf:                      Not affected
Vulnerability Mds:                       Not affected
Vulnerability Meltdown:                  Not affected
Vulnerability Mmio stale data:           Not affected
Vulnerability Reg file data sampling:    Not affected
Vulnerability Retbleed:                  Not affected
Vulnerability Spec rstack overflow:      Not affected
Vulnerability Spec store bypass:         Mitigation; Speculative Store Bypass disabled via prctl
Vulnerability Spectre v1:                Mitigation; __user pointer sanitization
Vulnerability Spectre v2:                Mitigation; CSV2, BHB
Vulnerability Srbds:                     Not affected
Vulnerability Tsa:                       Not affected
Vulnerability Tsx async abort:           Not affected
Vulnerability Vmscape:                   Not affected

Comparing 8fccf69 (8fccf69) to 4ede583 diff

Run configuration

run benchmark clickbench_partitioned
env:
  DATAFUSION_EXECUTION_PARQUET_ENABLE_RLE_TO_DICTIONARY: "true"
  DATAFUSION_RUNTIME_MEMORY_LIMIT: "32G"
baseline:
  ref: "4ede5833f68dad5bc8169492dedc5749fcc4b8d5"
changed:
  ref: "8fccf69b78cfcddf53df0025958176ecdca556b5"

Results will be posted here when complete

File an issue against this benchmark runner

adriangbot · 2026-10-27T20:17:58Z

🤖 Benchmark running (GKE) | trigger
Instance: c4a-highmem-16 (12 vCPU / 65 GiB) | Linux bench-c6452321744-3964-4sv6w 6.12.105+ #1 SMP Sat Sep 19 07:55:25 UTC 2026 aarch64 GNU/Linux

CPU Details (lscpu)

Architecture:                            aarch64
CPU op-mode(s):                          64-bit
Byte Order:                              Little Endian
CPU(s):                                  16
On-line CPU(s) list:                     0-15
Vendor ID:                               ARM
Model name:                              Neoverse-V2
Model:                                   1
Thread(s) per core:                      1
Core(s) per cluster:                     16
Socket(s):                               -
Cluster(s):                              1
Stepping:                                r0p1
BogoMIPS:                                2000.00
Flags:                                   fp asimd evtstrm aes pmull sha1 sha2 crc32 atomics fphp asimdhp cpuid asimdrdm jscvt fcma lrcpc dcpop sha3 sm3 sm4 asimddp sha512 sve asimdfhm dit uscat ilrcpc flagm sb paca pacg dcpodp sve2 sveaes svepmull svebitperm svesha3 svesm4 flagm2 frint svei8mm svebf16 i8mm bf16 dgh rng bti
L1d cache:                               1 MiB (16 instances)
L1i cache:                               1 MiB (16 instances)
L2 cache:                                32 MiB (16 instances)
L3 cache:                                80 MiB (1 instance)
NUMA node(s):                            1
NUMA node0 CPU(s):                       0-15
Vulnerability Gather data sampling:      Not affected
Vulnerability Indirect target selection: Not affected
Vulnerability Itlb multihit:             Not affected
Vulnerability L1tf:                      Not affected
Vulnerability Mds:                       Not affected
Vulnerability Meltdown:                  Not affected
Vulnerability Mmio stale data:           Not affected
Vulnerability Reg file data sampling:    Not affected
Vulnerability Retbleed:                  Not affected
Vulnerability Spec rstack overflow:      Not affected
Vulnerability Spec store bypass:         Mitigation; Speculative Store Bypass disabled via prctl
Vulnerability Spectre v1:                Mitigation; __user pointer sanitization
Vulnerability Spectre v2:                Mitigation; CSV2, BHB
Vulnerability Srbds:                     Not affected
Vulnerability Tsa:                       Not affected
Vulnerability Tsx async abort:           Not affected
Vulnerability Vmscape:                   Not affected

Comparing 8fccf69 (8fccf69) to 4ede583 diff

Run configuration

run benchmark tpcds
env:
  DATAFUSION_EXECUTION_PARQUET_ENABLE_RLE_TO_DICTIONARY: "true"
  DATAFUSION_RUNTIME_MEMORY_LIMIT: "32G"
baseline:
  ref: "4ede5833f68dad5bc8169492dedc5749fcc4b8d5"
changed:
  ref: "8fccf69b78cfcddf53df0025958176ecdca556b5"

Results will be posted here when complete

File an issue against this benchmark runner

adriangbot · 2026-10-27T20:19:41Z

🤖 Benchmark completed (GKE) | trigger

Instance: c4a-highmem-16 (12 vCPU / 65 GiB)

Comparing 8fccf69 (8fccf69) to 4ede583 diff

Run configuration

run benchmark tpch
env:
  DATAFUSION_EXECUTION_PARQUET_ENABLE_RLE_TO_DICTIONARY: "true"
  DATAFUSION_RUNTIME_MEMORY_LIMIT: "32G"
baseline:
  ref: "4ede5833f68dad5bc8169492dedc5749fcc4b8d5"
changed:
  ref: "8fccf69b78cfcddf53df0025958176ecdca556b5"

CPU Details (lscpu)

Architecture:                            aarch64
CPU op-mode(s):                          64-bit
Byte Order:                              Little Endian
CPU(s):                                  16
On-line CPU(s) list:                     0-15
Vendor ID:                               ARM
Model name:                              Neoverse-V2
Model:                                   1
Thread(s) per core:                      1
Core(s) per cluster:                     16
Socket(s):                               -
Cluster(s):                              1
Stepping:                                r0p1
BogoMIPS:                                2000.00
Flags:                                   fp asimd evtstrm aes pmull sha1 sha2 crc32 atomics fphp asimdhp cpuid asimdrdm jscvt fcma lrcpc dcpop sha3 sm3 sm4 asimddp sha512 sve asimdfhm dit uscat ilrcpc flagm sb paca pacg dcpodp sve2 sveaes svepmull svebitperm svesha3 svesm4 flagm2 frint svei8mm svebf16 i8mm bf16 dgh rng bti
L1d cache:                               1 MiB (16 instances)
L1i cache:                               1 MiB (16 instances)
L2 cache:                                32 MiB (16 instances)
L3 cache:                                80 MiB (1 instance)
NUMA node(s):                            1
NUMA node0 CPU(s):                       0-15
Vulnerability Gather data sampling:      Not affected
Vulnerability Indirect target selection: Not affected
Vulnerability Itlb multihit:             Not affected
Vulnerability L1tf:                      Not affected
Vulnerability Mds:                       Not affected
Vulnerability Meltdown:                  Not affected
Vulnerability Mmio stale data:           Not affected
Vulnerability Reg file data sampling:    Not affected
Vulnerability Retbleed:                  Not affected
Vulnerability Spec rstack overflow:      Not affected
Vulnerability Spec store bypass:         Mitigation; Speculative Store Bypass disabled via prctl
Vulnerability Spectre v1:                Mitigation; __user pointer sanitization
Vulnerability Spectre v2:                Mitigation; CSV2, BHB
Vulnerability Srbds:                     Not affected
Vulnerability Tsa:                       Not affected
Vulnerability Tsx async abort:           Not affected
Vulnerability Vmscape:                   Not affected

Details

Comparing HEAD and rich-T-kid_hash-join-dictionary-hash-reuse
--------------------
Benchmark tpch_sf1.json
--------------------
┏━━━━━━━━━━━┳━━━━━━━━━━━┳━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┳━━━━━━━━━━━┓
┃ Query     ┃      HEAD ┃ rich-T-kid_hash-join-dictionary-hash-reuse ┃    Change ┃
┡━━━━━━━━━━━╇━━━━━━━━━━━╇━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━╇━━━━━━━━━━━┩
│ QQuery 1  │  39.91 ms │                                   39.64 ms │ no change │
│ QQuery 2  │  18.51 ms │                                   18.36 ms │ no change │
│ QQuery 3  │  28.06 ms │                                   28.00 ms │ no change │
│ QQuery 4  │  16.93 ms │                                   16.84 ms │ no change │
│ QQuery 5  │  34.73 ms │                                   35.15 ms │ no change │
│ QQuery 6  │  13.68 ms │                                   13.55 ms │ no change │
│ QQuery 7  │  40.55 ms │                                   41.98 ms │ no change │
│ QQuery 8  │  40.66 ms │                                   40.74 ms │ no change │
│ QQuery 9  │  51.52 ms │                                   50.05 ms │ no change │
│ QQuery 10 │  57.66 ms │                                   58.27 ms │ no change │
│ QQuery 11 │  13.23 ms │                                   13.25 ms │ no change │
│ QQuery 12 │  21.02 ms │                                   20.76 ms │ no change │
│ QQuery 13 │  45.56 ms │                                   45.78 ms │ no change │
│ QQuery 14 │  23.80 ms │                                   24.00 ms │ no change │
│ QQuery 15 │  30.94 ms │                                   31.06 ms │ no change │
│ QQuery 16 │  13.03 ms │                                   13.15 ms │ no change │
│ QQuery 17 │  73.26 ms │                                   72.86 ms │ no change │
│ QQuery 18 │ 113.63 ms │                                  112.96 ms │ no change │
│ QQuery 19 │  29.70 ms │                                   29.49 ms │ no change │
│ QQuery 20 │  33.48 ms │                                   33.24 ms │ no change │
│ QQuery 21 │  52.08 ms │                                   52.01 ms │ no change │
│ QQuery 22 │  15.42 ms │                                   15.53 ms │ no change │
└───────────┴───────────┴────────────────────────────────────────────┴───────────┘
┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┳━━━━━━━━━━┓
┃ Benchmark Summary                                         ┃          ┃
┡━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━╇━━━━━━━━━━┩
│ Total Time (HEAD)                                         │ 807.35ms │
│ Total Time (rich-T-kid_hash-join-dictionary-hash-reuse)   │ 806.67ms │
│ Average Time (HEAD)                                       │  36.70ms │
│ Average Time (rich-T-kid_hash-join-dictionary-hash-reuse) │  36.67ms │
│ Queries Faster                                            │        0 │
│ Queries Slower                                            │        0 │
│ Queries with No Change                                    │       22 │
│ Queries with Failure                                      │        0 │
└───────────────────────────────────────────────────────────┴──────────┘

Distribution per query (min / mean ±stddev / max):

Comparing HEAD and rich-T-kid_hash-join-dictionary-hash-reuse
--------------------
Benchmark tpch_sf1.json
--------------------
┏━━━━━━━━━━━┳━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┳━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┳━━━━━━━━━━━━━━━┓
┃ Query     ┃                              HEAD ┃ rich-T-kid_hash-join-dictionary-hash-reuse ┃        Change ┃
┡━━━━━━━━━━━╇━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━╇━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━╇━━━━━━━━━━━━━━━┩
│ QQuery 1  │    39.91 / 40.93 ±1.15 / 42.72 ms │             39.64 / 41.28 ±1.70 / 44.03 ms │     no change │
│ QQuery 2  │    18.51 / 19.04 ±0.87 / 20.76 ms │             18.36 / 18.63 ±0.37 / 19.36 ms │     no change │
│ QQuery 3  │    28.06 / 28.18 ±0.09 / 28.33 ms │             28.00 / 28.25 ±0.19 / 28.53 ms │     no change │
│ QQuery 4  │    16.93 / 17.44 ±0.69 / 18.80 ms │             16.84 / 17.31 ±0.75 / 18.81 ms │     no change │
│ QQuery 5  │    34.73 / 34.93 ±0.15 / 35.13 ms │             35.15 / 35.49 ±0.57 / 36.63 ms │     no change │
│ QQuery 6  │    13.68 / 14.80 ±1.36 / 17.32 ms │             13.55 / 13.67 ±0.08 / 13.77 ms │ +1.08x faster │
│ QQuery 7  │    40.55 / 42.81 ±1.28 / 44.37 ms │             41.98 / 43.29 ±0.84 / 44.52 ms │     no change │
│ QQuery 8  │    40.66 / 42.65 ±2.06 / 46.14 ms │             40.74 / 41.63 ±0.98 / 43.38 ms │     no change │
│ QQuery 9  │    51.52 / 53.00 ±0.84 / 54.05 ms │             50.05 / 50.96 ±0.62 / 51.99 ms │     no change │
│ QQuery 10 │    57.66 / 58.49 ±0.44 / 58.98 ms │             58.27 / 58.64 ±0.29 / 59.15 ms │     no change │
│ QQuery 11 │    13.23 / 13.83 ±0.53 / 14.56 ms │             13.25 / 13.53 ±0.31 / 14.10 ms │     no change │
│ QQuery 12 │    21.02 / 21.85 ±0.72 / 22.89 ms │             20.76 / 21.10 ±0.20 / 21.31 ms │     no change │
│ QQuery 13 │    45.56 / 46.13 ±0.54 / 47.15 ms │             45.78 / 46.70 ±1.02 / 48.58 ms │     no change │
│ QQuery 14 │    23.80 / 23.99 ±0.13 / 24.11 ms │             24.00 / 24.10 ±0.08 / 24.24 ms │     no change │
│ QQuery 15 │    30.94 / 31.94 ±0.83 / 32.83 ms │             31.06 / 32.43 ±1.25 / 34.36 ms │     no change │
│ QQuery 16 │    13.03 / 13.22 ±0.13 / 13.40 ms │             13.15 / 13.40 ±0.29 / 13.96 ms │     no change │
│ QQuery 17 │    73.26 / 74.44 ±1.02 / 76.24 ms │             72.86 / 74.35 ±1.17 / 76.07 ms │     no change │
│ QQuery 18 │ 113.63 / 118.58 ±2.52 / 120.61 ms │          112.96 / 118.05 ±5.13 / 127.47 ms │     no change │
│ QQuery 19 │    29.70 / 30.05 ±0.36 / 30.70 ms │             29.49 / 29.72 ±0.20 / 30.07 ms │     no change │
│ QQuery 20 │    33.48 / 33.56 ±0.08 / 33.68 ms │             33.24 / 33.35 ±0.11 / 33.49 ms │     no change │
│ QQuery 21 │    52.08 / 54.89 ±3.52 / 61.82 ms │             52.01 / 54.98 ±2.62 / 59.11 ms │     no change │
│ QQuery 22 │    15.42 / 15.64 ±0.26 / 16.09 ms │             15.53 / 16.11 ±0.46 / 16.92 ms │     no change │
└───────────┴───────────────────────────────────┴────────────────────────────────────────────┴───────────────┘
┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┳━━━━━━━━━━┓
┃ Benchmark Summary                                         ┃          ┃
┡━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━╇━━━━━━━━━━┩
│ Total Time (HEAD)                                         │ 830.38ms │
│ Total Time (rich-T-kid_hash-join-dictionary-hash-reuse)   │ 826.97ms │
│ Average Time (HEAD)                                       │  37.74ms │
│ Average Time (rich-T-kid_hash-join-dictionary-hash-reuse) │  37.59ms │
│ Queries Faster                                            │        1 │
│ Queries Slower                                            │        0 │
│ Queries with No Change                                    │       21 │
│ Queries with Failure                                      │        0 │
└───────────────────────────────────────────────────────────┴──────────┘

Memory Pool Peaks

Peak MemoryPool reservation per query — what DataFusion's accounting believes it reserved. Recorded only for benchmarks that write a results JSON (the dfbench suites, and the suites bench.sh runs through the Criterion SQL harness since #25644), and only under a memory limit: DATAFUSION_RUNTIME_MEMORY_LIMIT, or one the suite sets itself.

Base: 4ede5833f68dad5bc8169492dedc5749fcc4b8d5 | Changed: 8fccf69b78cfcddf53df0025958176ecdca556b5

tpch — tpch_sf1

Query	Base	Changed	Change
Query 1	40.1 MiB	30.1 MiB	-24.9%
Query 2	23.1 MiB	23.1 MiB	+0.0%
Query 3	11.5 MiB	11.5 MiB	+0.0%
Query 4	22.3 MiB	22.2 MiB	-0.6%
Query 5	42.9 MiB	32.7 MiB	-23.6%
Query 6	832 B	832 B	+0.0%
Query 7	107.6 MiB	107.6 MiB	+0.0%
Query 8	34.0 MiB	33.9 MiB	-0.3%
Query 9	155.6 MiB	155.6 MiB	+0.0%
Query 10	61.2 MiB	61.2 MiB	+0.0%
Query 11	51.7 MiB	61.9 MiB	+19.8%
Query 12	20.1 MiB	20.1 MiB	+0.0%
Query 13	42.4 MiB	52.4 MiB	+23.6%
Query 14	7.7 MiB	7.7 MiB	+0.0%
Query 15	12.9 MiB	12.8 MiB	-0.8%
Query 16	33.3 MiB	33.2 MiB	-0.2%
Query 17	150.3 MiB	150.3 MiB	+0.0%
Query 18	2.7 GiB	2.7 GiB	+0.1%
Query 19	228.6 KiB	228.6 KiB	+0.0%
Query 20	59.9 MiB	59.2 MiB	-1.1%
Query 21	37.7 MiB	37.7 MiB	+0.0%
Query 22	21.9 MiB	31.9 MiB	+45.6%

Pool accounting vs. process RSS

Max pool peak is the largest reservation any single query in the run reached; peak RSS covers the whole invocation, including data loading and allocator retention, and the two high-water marks need not coincide in time. The gap is therefore an upper bound on what the pool did not account for, not a measurement of it.

Benchmark	Side	Max pool peak	Peak RSS	Gap	RSS / pool
tpch	base (`4ede5833f68dad5bc8169492dedc5749fcc4b8d5`)	2.7 GiB	2.0 GiB	−675.3 MiB	0.8×
tpch	changed (`8fccf69b78cfcddf53df0025958176ecdca556b5`)	2.7 GiB	1.9 GiB	−793.7 MiB	0.7×

Resource Usage

tpch — base (merge-base)

Metric	Value
Wall time	5.0s
Peak memory	2.0 GiB
Avg memory	942.5 MiB
CPU user	21.6s
CPU sys	1.6s
Peak spill	0 B

tpch — branch

Metric	Value
Wall time	5.0s
Peak memory	1.9 GiB
Avg memory	796.9 MiB
CPU user	21.7s
CPU sys	1.6s
Peak spill	0 B

File an issue against this benchmark runner

adriangbot · 2026-10-27T20:22:56Z

🤖 Benchmark completed (GKE) | trigger

Instance: c4a-highmem-16 (12 vCPU / 65 GiB)

Comparing 8fccf69 (8fccf69) to 4ede583 diff

Run configuration

run benchmark tpcds
env:
  DATAFUSION_EXECUTION_PARQUET_ENABLE_RLE_TO_DICTIONARY: "true"
  DATAFUSION_RUNTIME_MEMORY_LIMIT: "32G"
baseline:
  ref: "4ede5833f68dad5bc8169492dedc5749fcc4b8d5"
changed:
  ref: "8fccf69b78cfcddf53df0025958176ecdca556b5"

CPU Details (lscpu)

Architecture:                            aarch64
CPU op-mode(s):                          64-bit
Byte Order:                              Little Endian
CPU(s):                                  16
On-line CPU(s) list:                     0-15
Vendor ID:                               ARM
Model name:                              Neoverse-V2
Model:                                   1
Thread(s) per core:                      1
Core(s) per cluster:                     16
Socket(s):                               -
Cluster(s):                              1
Stepping:                                r0p1
BogoMIPS:                                2000.00
Flags:                                   fp asimd evtstrm aes pmull sha1 sha2 crc32 atomics fphp asimdhp cpuid asimdrdm jscvt fcma lrcpc dcpop sha3 sm3 sm4 asimddp sha512 sve asimdfhm dit uscat ilrcpc flagm sb paca pacg dcpodp sve2 sveaes svepmull svebitperm svesha3 svesm4 flagm2 frint svei8mm svebf16 i8mm bf16 dgh rng bti
L1d cache:                               1 MiB (16 instances)
L1i cache:                               1 MiB (16 instances)
L2 cache:                                32 MiB (16 instances)
L3 cache:                                80 MiB (1 instance)
NUMA node(s):                            1
NUMA node0 CPU(s):                       0-15
Vulnerability Gather data sampling:      Not affected
Vulnerability Indirect target selection: Not affected
Vulnerability Itlb multihit:             Not affected
Vulnerability L1tf:                      Not affected
Vulnerability Mds:                       Not affected
Vulnerability Meltdown:                  Not affected
Vulnerability Mmio stale data:           Not affected
Vulnerability Reg file data sampling:    Not affected
Vulnerability Retbleed:                  Not affected
Vulnerability Spec rstack overflow:      Not affected
Vulnerability Spec store bypass:         Mitigation; Speculative Store Bypass disabled via prctl
Vulnerability Spectre v1:                Mitigation; __user pointer sanitization
Vulnerability Spectre v2:                Mitigation; CSV2, BHB
Vulnerability Srbds:                     Not affected
Vulnerability Tsa:                       Not affected
Vulnerability Tsx async abort:           Not affected
Vulnerability Vmscape:                   Not affected

Details

Comparing HEAD and rich-T-kid_hash-join-dictionary-hash-reuse
--------------------
Benchmark tpcds_sf1.json
--------------------
┏━━━━━━━━━━━┳━━━━━━━━━━━━┳━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┳━━━━━━━━━━━┓
┃ Query     ┃       HEAD ┃ rich-T-kid_hash-join-dictionary-hash-reuse ┃    Change ┃
┡━━━━━━━━━━━╇━━━━━━━━━━━━╇━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━╇━━━━━━━━━━━┩
│ QQuery 1  │    5.86 ms │                                    5.80 ms │ no change │
│ QQuery 2  │   78.16 ms │                                   78.25 ms │ no change │
│ QQuery 3  │   28.94 ms │                                   29.08 ms │ no change │
│ QQuery 4  │  896.22 ms │                                  889.81 ms │ no change │
│ QQuery 5  │   51.01 ms │                                   51.17 ms │ no change │
│ QQuery 6  │   34.03 ms │                                   34.01 ms │ no change │
│ QQuery 7  │   73.78 ms │                                   73.63 ms │ no change │
│ QQuery 8  │   38.79 ms │                                   38.69 ms │ no change │
│ QQuery 9  │   53.13 ms │                                   52.04 ms │ no change │
│ QQuery 10 │   62.43 ms │                                   62.00 ms │ no change │
│ QQuery 11 │  523.57 ms │                                  511.33 ms │ no change │
│ QQuery 12 │   26.24 ms │                                   26.35 ms │ no change │
│ QQuery 13 │  113.83 ms │                                  113.68 ms │ no change │
│ QQuery 14 │  388.60 ms │                                  390.60 ms │ no change │
│ QQuery 15 │   52.93 ms │                                   52.75 ms │ no change │
│ QQuery 16 │    6.61 ms │                                    6.67 ms │ no change │
│ QQuery 17 │   80.84 ms │                                   81.93 ms │ no change │
│ QQuery 18 │  108.48 ms │                                  108.16 ms │ no change │
│ QQuery 19 │   41.77 ms │                                   42.10 ms │ no change │
│ QQuery 20 │   31.68 ms │                                   32.24 ms │ no change │
│ QQuery 21 │   17.62 ms │                                   17.72 ms │ no change │
│ QQuery 22 │   74.01 ms │                                   73.42 ms │ no change │
│ QQuery 23 │  316.16 ms │                                  319.46 ms │ no change │
│ QQuery 24 │  200.11 ms │                                  202.68 ms │ no change │
│ QQuery 25 │  108.77 ms │                                  109.93 ms │ no change │
│ QQuery 26 │   47.92 ms │                                   48.32 ms │ no change │
│ QQuery 27 │    6.42 ms │                                    6.53 ms │ no change │
│ QQuery 28 │   56.26 ms │                                   57.17 ms │ no change │
│ QQuery 29 │   96.53 ms │                                   97.31 ms │ no change │
│ QQuery 30 │   37.96 ms │                                   37.84 ms │ no change │
│ QQuery 31 │  113.30 ms │                                  114.59 ms │ no change │
│ QQuery 32 │   20.81 ms │                                   20.86 ms │ no change │
│ QQuery 33 │   38.42 ms │                                   38.44 ms │ no change │
│ QQuery 34 │   10.18 ms │                                   10.04 ms │ no change │
│ QQuery 35 │   74.04 ms │                                   74.62 ms │ no change │
│ QQuery 36 │    6.47 ms │                                    6.28 ms │ no change │
│ QQuery 37 │    7.80 ms │                                    7.90 ms │ no change │
│ QQuery 38 │   67.31 ms │                                   66.55 ms │ no change │
│ QQuery 39 │   74.05 ms │                                   74.76 ms │ no change │
│ QQuery 40 │   23.67 ms │                                   24.32 ms │ no change │
│ QQuery 41 │   14.25 ms │                                   14.72 ms │ no change │
│ QQuery 42 │   24.30 ms │                                   23.90 ms │ no change │
│ QQuery 43 │    5.56 ms │                                    5.50 ms │ no change │
│ QQuery 44 │    8.81 ms │                                    9.04 ms │ no change │
│ QQuery 45 │   35.85 ms │                                   36.50 ms │ no change │
│ QQuery 46 │   11.91 ms │                                   12.07 ms │ no change │
│ QQuery 47 │  211.36 ms │                                  210.93 ms │ no change │
│ QQuery 48 │   91.96 ms │                                   92.02 ms │ no change │
│ QQuery 49 │   71.38 ms │                                   69.87 ms │ no change │
│ QQuery 50 │   59.54 ms │                                   58.77 ms │ no change │
│ QQuery 51 │   91.72 ms │                                   90.41 ms │ no change │
│ QQuery 52 │   24.38 ms │                                   24.48 ms │ no change │
│ QQuery 53 │   29.31 ms │                                   29.43 ms │ no change │
│ QQuery 54 │   53.69 ms │                                   53.52 ms │ no change │
│ QQuery 55 │   23.79 ms │                                   23.74 ms │ no change │
│ QQuery 56 │   38.99 ms │                                   39.12 ms │ no change │
│ QQuery 57 │  154.19 ms │                                  153.91 ms │ no change │
│ QQuery 58 │  105.02 ms │                                  104.65 ms │ no change │
│ QQuery 59 │  107.13 ms │                                  107.68 ms │ no change │
│ QQuery 60 │   43.04 ms │                                   43.49 ms │ no change │
│ QQuery 61 │   10.06 ms │                                   10.09 ms │ no change │
│ QQuery 62 │   38.64 ms │                                   38.95 ms │ no change │
│ QQuery 63 │   29.47 ms │                                   29.24 ms │ no change │
│ QQuery 64 │  370.63 ms │                                  371.51 ms │ no change │
│ QQuery 65 │  134.31 ms │                                  133.52 ms │ no change │
│ QQuery 66 │   75.60 ms │                                   76.07 ms │ no change │
│ QQuery 67 │  241.69 ms │                                  244.44 ms │ no change │
│ QQuery 68 │   12.16 ms │                                   11.91 ms │ no change │
│ QQuery 69 │   57.74 ms │                                   57.39 ms │ no change │
│ QQuery 70 │   99.22 ms │                                   99.11 ms │ no change │
│ QQuery 71 │   35.05 ms │                                   35.07 ms │ no change │
│ QQuery 72 │ 1639.06 ms │                                 1603.15 ms │ no change │
│ QQuery 73 │   10.01 ms │                                    9.89 ms │ no change │
│ QQuery 74 │  264.25 ms │                                  260.20 ms │ no change │
│ QQuery 75 │  141.07 ms │                                  140.08 ms │ no change │
│ QQuery 76 │   34.63 ms │                                   34.40 ms │ no change │
│ QQuery 77 │   60.09 ms │                                   60.23 ms │ no change │
│ QQuery 78 │  165.56 ms │                                  164.20 ms │ no change │
│ QQuery 79 │   67.65 ms │                                   67.41 ms │ no change │
│ QQuery 80 │   96.01 ms │                                   94.81 ms │ no change │
│ QQuery 81 │   29.45 ms │                                   29.25 ms │ no change │
│ QQuery 82 │   17.73 ms │                                   17.63 ms │ no change │
│ QQuery 83 │   33.23 ms │                                   33.11 ms │ no change │
│ QQuery 84 │   31.26 ms │                                   31.53 ms │ no change │
│ QQuery 85 │   99.79 ms │                                  100.06 ms │ no change │
│ QQuery 86 │   25.32 ms │                                   25.45 ms │ no change │
│ QQuery 87 │   66.36 ms │                                   67.11 ms │ no change │
│ QQuery 88 │   59.45 ms │                                   59.53 ms │ no change │
│ QQuery 89 │   35.73 ms │                                   35.93 ms │ no change │
│ QQuery 90 │   16.55 ms │                                   16.55 ms │ no change │
│ QQuery 91 │   41.56 ms │                                   42.03 ms │ no change │
│ QQuery 92 │   29.50 ms │                                   29.77 ms │ no change │
│ QQuery 93 │   49.72 ms │                                   49.55 ms │ no change │
│ QQuery 94 │   39.02 ms │                                   39.09 ms │ no change │
│ QQuery 95 │   80.30 ms │                                   82.39 ms │ no change │
│ QQuery 96 │   24.00 ms │                                   23.83 ms │ no change │
│ QQuery 97 │   50.39 ms │                                   50.73 ms │ no change │
│ QQuery 98 │   38.47 ms │                                   38.64 ms │ no change │
│ QQuery 99 │   57.69 ms │                                   57.51 ms │ no change │
└───────────┴────────────┴────────────────────────────────────────────┴───────────┘
┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┳━━━━━━━━━━━┓
┃ Benchmark Summary                                         ┃           ┃
┡━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━╇━━━━━━━━━━━┩
│ Total Time (HEAD)                                         │ 9709.33ms │
│ Total Time (rich-T-kid_hash-join-dictionary-hash-reuse)   │ 9664.17ms │
│ Average Time (HEAD)                                       │   98.07ms │
│ Average Time (rich-T-kid_hash-join-dictionary-hash-reuse) │   97.62ms │
│ Queries Faster                                            │         0 │
│ Queries Slower                                            │         0 │
│ Queries with No Change                                    │        99 │
│ Queries with Failure                                      │         0 │
└───────────────────────────────────────────────────────────┴───────────┘

Distribution per query (min / mean ±stddev / max):

Comparing HEAD and rich-T-kid_hash-join-dictionary-hash-reuse
--------------------
Benchmark tpcds_sf1.json
--------------------
┏━━━━━━━━━━━┳━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┳━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┳━━━━━━━━━━━━━━┓
┃ Query     ┃                                  HEAD ┃ rich-T-kid_hash-join-dictionary-hash-reuse ┃       Change ┃
┡━━━━━━━━━━━╇━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━╇━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━╇━━━━━━━━━━━━━━┩
│ QQuery 1  │           5.86 / 6.44 ±0.95 / 8.30 ms │                5.80 / 6.39 ±1.04 / 8.47 ms │    no change │
│ QQuery 2  │        78.16 / 78.47 ±0.19 / 78.74 ms │             78.25 / 78.44 ±0.14 / 78.66 ms │    no change │
│ QQuery 3  │        28.94 / 29.18 ±0.22 / 29.47 ms │             29.08 / 29.39 ±0.24 / 29.74 ms │    no change │
│ QQuery 4  │     896.22 / 906.92 ±5.59 / 911.51 ms │          889.81 / 898.99 ±7.00 / 907.20 ms │    no change │
│ QQuery 5  │        51.01 / 52.12 ±1.07 / 54.13 ms │             51.17 / 51.74 ±0.76 / 53.23 ms │    no change │
│ QQuery 6  │        34.03 / 34.43 ±0.26 / 34.80 ms │             34.01 / 34.38 ±0.30 / 34.80 ms │    no change │
│ QQuery 7  │        73.78 / 74.13 ±0.21 / 74.37 ms │             73.63 / 73.88 ±0.15 / 74.06 ms │    no change │
│ QQuery 8  │        38.79 / 39.17 ±0.38 / 39.82 ms │             38.69 / 38.96 ±0.32 / 39.56 ms │    no change │
│ QQuery 9  │        53.13 / 54.35 ±1.19 / 56.30 ms │             52.04 / 53.93 ±1.61 / 56.57 ms │    no change │
│ QQuery 10 │        62.43 / 62.62 ±0.28 / 63.18 ms │             62.00 / 62.46 ±0.38 / 63.13 ms │    no change │
│ QQuery 11 │     523.57 / 525.62 ±2.15 / 529.62 ms │          511.33 / 515.96 ±2.55 / 517.98 ms │    no change │
│ QQuery 12 │        26.24 / 26.66 ±0.24 / 26.93 ms │             26.35 / 26.64 ±0.18 / 26.84 ms │    no change │
│ QQuery 13 │     113.83 / 115.58 ±2.64 / 120.79 ms │          113.68 / 114.67 ±0.76 / 115.49 ms │    no change │
│ QQuery 14 │     388.60 / 394.33 ±4.03 / 400.31 ms │          390.60 / 392.96 ±1.58 / 394.96 ms │    no change │
│ QQuery 15 │        52.93 / 55.61 ±2.61 / 60.42 ms │             52.75 / 55.08 ±2.27 / 59.42 ms │    no change │
│ QQuery 16 │           6.61 / 6.70 ±0.08 / 6.84 ms │                6.67 / 6.83 ±0.13 / 7.07 ms │    no change │
│ QQuery 17 │        80.84 / 82.41 ±1.57 / 85.32 ms │             81.93 / 83.13 ±1.38 / 85.74 ms │    no change │
│ QQuery 18 │     108.48 / 111.78 ±3.88 / 119.35 ms │          108.16 / 111.92 ±2.36 / 114.18 ms │    no change │
│ QQuery 19 │        41.77 / 42.18 ±0.39 / 42.91 ms │             42.10 / 42.75 ±0.69 / 43.92 ms │    no change │
│ QQuery 20 │        31.68 / 32.16 ±0.35 / 32.60 ms │             32.24 / 32.52 ±0.30 / 33.02 ms │    no change │
│ QQuery 21 │        17.62 / 17.87 ±0.22 / 18.21 ms │             17.72 / 17.93 ±0.17 / 18.18 ms │    no change │
│ QQuery 22 │        74.01 / 75.01 ±1.09 / 77.11 ms │             73.42 / 74.44 ±0.88 / 75.72 ms │    no change │
│ QQuery 23 │     316.16 / 319.77 ±2.12 / 322.17 ms │          319.46 / 322.71 ±3.33 / 327.93 ms │    no change │
│ QQuery 24 │     200.11 / 203.96 ±4.56 / 212.69 ms │          202.68 / 205.55 ±3.18 / 210.92 ms │    no change │
│ QQuery 25 │     108.77 / 110.21 ±1.75 / 113.48 ms │          109.93 / 111.34 ±1.22 / 113.04 ms │    no change │
│ QQuery 26 │        47.92 / 48.19 ±0.18 / 48.40 ms │             48.32 / 48.69 ±0.27 / 49.08 ms │    no change │
│ QQuery 27 │           6.42 / 6.50 ±0.06 / 6.57 ms │                6.53 / 6.69 ±0.14 / 6.86 ms │    no change │
│ QQuery 28 │        56.26 / 61.07 ±3.38 / 66.86 ms │             57.17 / 62.61 ±4.46 / 70.71 ms │    no change │
│ QQuery 29 │       96.53 / 99.79 ±1.99 / 102.33 ms │            97.31 / 99.92 ±1.38 / 101.27 ms │    no change │
│ QQuery 30 │        37.96 / 38.18 ±0.21 / 38.55 ms │             37.84 / 38.19 ±0.26 / 38.59 ms │    no change │
│ QQuery 31 │     113.30 / 115.46 ±1.93 / 118.30 ms │          114.59 / 117.80 ±3.90 / 125.34 ms │    no change │
│ QQuery 32 │        20.81 / 21.25 ±0.29 / 21.53 ms │             20.86 / 21.11 ±0.16 / 21.36 ms │    no change │
│ QQuery 33 │        38.42 / 38.81 ±0.21 / 39.03 ms │             38.44 / 39.02 ±0.54 / 39.99 ms │    no change │
│ QQuery 34 │        10.18 / 10.33 ±0.15 / 10.58 ms │             10.04 / 10.36 ±0.27 / 10.81 ms │    no change │
│ QQuery 35 │        74.04 / 75.64 ±1.46 / 78.39 ms │             74.62 / 76.44 ±2.24 / 80.82 ms │    no change │
│ QQuery 36 │           6.47 / 6.57 ±0.10 / 6.77 ms │                6.28 / 6.46 ±0.12 / 6.60 ms │    no change │
│ QQuery 37 │           7.80 / 8.12 ±0.33 / 8.64 ms │                7.90 / 8.24 ±0.34 / 8.68 ms │    no change │
│ QQuery 38 │        67.31 / 67.90 ±0.78 / 69.38 ms │             66.55 / 67.75 ±0.95 / 69.44 ms │    no change │
│ QQuery 39 │        74.05 / 75.01 ±0.82 / 76.02 ms │             74.76 / 76.16 ±1.00 / 77.84 ms │    no change │
│ QQuery 40 │        23.67 / 24.64 ±0.58 / 25.31 ms │             24.32 / 24.87 ±0.29 / 25.17 ms │    no change │
│ QQuery 41 │        14.25 / 14.38 ±0.15 / 14.62 ms │             14.72 / 15.46 ±1.39 / 18.23 ms │ 1.07x slower │
│ QQuery 42 │        24.30 / 25.45 ±1.51 / 28.40 ms │             23.90 / 24.84 ±0.64 / 25.69 ms │    no change │
│ QQuery 43 │           5.56 / 5.61 ±0.08 / 5.76 ms │                5.50 / 5.57 ±0.07 / 5.69 ms │    no change │
│ QQuery 44 │           8.81 / 9.03 ±0.20 / 9.29 ms │                9.04 / 9.18 ±0.11 / 9.35 ms │    no change │
│ QQuery 45 │        35.85 / 38.51 ±2.07 / 41.95 ms │             36.50 / 38.28 ±1.36 / 40.36 ms │    no change │
│ QQuery 46 │        11.91 / 12.15 ±0.25 / 12.62 ms │             12.07 / 12.25 ±0.15 / 12.46 ms │    no change │
│ QQuery 47 │     211.36 / 214.03 ±2.31 / 217.72 ms │          210.93 / 215.67 ±3.64 / 221.94 ms │    no change │
│ QQuery 48 │        91.96 / 92.43 ±0.28 / 92.70 ms │             92.02 / 93.16 ±1.41 / 95.90 ms │    no change │
│ QQuery 49 │        71.38 / 73.62 ±3.15 / 79.85 ms │             69.87 / 72.33 ±2.35 / 76.55 ms │    no change │
│ QQuery 50 │        59.54 / 59.94 ±0.42 / 60.49 ms │             58.77 / 59.04 ±0.30 / 59.56 ms │    no change │
│ QQuery 51 │        91.72 / 94.25 ±1.32 / 95.23 ms │            90.41 / 94.55 ±3.29 / 100.06 ms │    no change │
│ QQuery 52 │        24.38 / 24.73 ±0.22 / 25.03 ms │             24.48 / 24.70 ±0.16 / 24.86 ms │    no change │
│ QQuery 53 │        29.31 / 30.47 ±2.17 / 34.81 ms │             29.43 / 30.18 ±1.11 / 32.39 ms │    no change │
│ QQuery 54 │        53.69 / 54.04 ±0.34 / 54.49 ms │             53.52 / 54.01 ±0.26 / 54.22 ms │    no change │
│ QQuery 55 │        23.79 / 23.99 ±0.18 / 24.21 ms │             23.74 / 23.89 ±0.14 / 24.14 ms │    no change │
│ QQuery 56 │        38.99 / 39.41 ±0.27 / 39.68 ms │             39.12 / 39.43 ±0.38 / 40.16 ms │    no change │
│ QQuery 57 │     154.19 / 156.45 ±1.77 / 159.03 ms │          153.91 / 156.36 ±1.63 / 158.85 ms │    no change │
│ QQuery 58 │     105.02 / 106.55 ±1.96 / 110.41 ms │          104.65 / 105.73 ±1.01 / 107.42 ms │    no change │
│ QQuery 59 │     107.13 / 107.88 ±0.64 / 108.89 ms │          107.68 / 108.32 ±0.54 / 109.04 ms │    no change │
│ QQuery 60 │        43.04 / 44.78 ±1.89 / 48.40 ms │             43.49 / 44.98 ±1.72 / 48.28 ms │    no change │
│ QQuery 61 │        10.06 / 10.10 ±0.04 / 10.17 ms │             10.09 / 10.17 ±0.08 / 10.31 ms │    no change │
│ QQuery 62 │        38.64 / 39.81 ±2.00 / 43.81 ms │             38.95 / 39.71 ±1.24 / 42.18 ms │    no change │
│ QQuery 63 │        29.47 / 30.14 ±0.48 / 30.75 ms │             29.24 / 30.07 ±0.63 / 30.71 ms │    no change │
│ QQuery 64 │     370.63 / 377.60 ±4.97 / 385.39 ms │          371.51 / 376.61 ±6.22 / 388.74 ms │    no change │
│ QQuery 65 │     134.31 / 137.41 ±2.42 / 141.30 ms │          133.52 / 138.39 ±3.00 / 141.85 ms │    no change │
│ QQuery 66 │        75.60 / 76.05 ±0.35 / 76.47 ms │             76.07 / 77.06 ±1.04 / 78.38 ms │    no change │
│ QQuery 67 │     241.69 / 243.64 ±2.31 / 247.96 ms │          244.44 / 246.14 ±0.87 / 246.90 ms │    no change │
│ QQuery 68 │        12.16 / 12.21 ±0.04 / 12.26 ms │             11.91 / 12.17 ±0.18 / 12.43 ms │    no change │
│ QQuery 69 │        57.74 / 57.99 ±0.28 / 58.52 ms │             57.39 / 57.90 ±0.37 / 58.41 ms │    no change │
│ QQuery 70 │      99.22 / 100.04 ±0.66 / 101.06 ms │           99.11 / 101.30 ±2.15 / 105.39 ms │    no change │
│ QQuery 71 │        35.05 / 35.56 ±0.48 / 36.22 ms │             35.07 / 35.63 ±0.51 / 36.59 ms │    no change │
│ QQuery 72 │ 1639.06 / 1669.50 ±20.70 / 1691.06 ms │      1603.15 / 1659.29 ±38.84 / 1715.96 ms │    no change │
│ QQuery 73 │        10.01 / 10.16 ±0.17 / 10.38 ms │              9.89 / 10.08 ±0.18 / 10.41 ms │    no change │
│ QQuery 74 │     264.25 / 268.51 ±4.74 / 277.02 ms │          260.20 / 265.38 ±4.35 / 273.32 ms │    no change │
│ QQuery 75 │     141.07 / 141.56 ±0.68 / 142.87 ms │          140.08 / 143.65 ±3.63 / 148.25 ms │    no change │
│ QQuery 76 │        34.63 / 34.96 ±0.24 / 35.35 ms │             34.40 / 35.16 ±0.70 / 36.49 ms │    no change │
│ QQuery 77 │        60.09 / 61.52 ±2.42 / 66.36 ms │             60.23 / 61.38 ±1.47 / 64.27 ms │    no change │
│ QQuery 78 │     165.56 / 168.49 ±2.57 / 172.33 ms │          164.20 / 166.47 ±1.88 / 168.99 ms │    no change │
│ QQuery 79 │        67.65 / 67.93 ±0.31 / 68.48 ms │             67.41 / 68.26 ±0.70 / 69.53 ms │    no change │
│ QQuery 80 │       96.01 / 99.06 ±4.63 / 108.25 ms │             94.81 / 96.44 ±1.24 / 98.17 ms │    no change │
│ QQuery 81 │        29.45 / 30.80 ±1.77 / 34.29 ms │             29.25 / 29.48 ±0.26 / 29.98 ms │    no change │
│ QQuery 82 │        17.73 / 18.04 ±0.28 / 18.52 ms │             17.63 / 17.86 ±0.25 / 18.32 ms │    no change │
│ QQuery 83 │        33.23 / 33.52 ±0.35 / 34.20 ms │             33.11 / 33.43 ±0.18 / 33.58 ms │    no change │
│ QQuery 84 │        31.26 / 31.40 ±0.14 / 31.64 ms │             31.53 / 31.68 ±0.12 / 31.88 ms │    no change │
│ QQuery 85 │      99.79 / 102.64 ±3.48 / 109.21 ms │          100.06 / 103.74 ±3.81 / 110.93 ms │    no change │
│ QQuery 86 │        25.32 / 26.09 ±0.94 / 27.90 ms │             25.45 / 26.13 ±1.01 / 28.08 ms │    no change │
│ QQuery 87 │        66.36 / 67.09 ±0.53 / 67.61 ms │             67.11 / 68.00 ±0.77 / 69.25 ms │    no change │
│ QQuery 88 │        59.45 / 61.73 ±2.31 / 66.09 ms │             59.53 / 61.28 ±2.28 / 65.70 ms │    no change │
│ QQuery 89 │        35.73 / 36.35 ±0.48 / 37.17 ms │             35.93 / 36.88 ±0.48 / 37.23 ms │    no change │
│ QQuery 90 │        16.55 / 17.29 ±1.20 / 19.69 ms │             16.55 / 16.62 ±0.06 / 16.71 ms │    no change │
│ QQuery 91 │        41.56 / 41.71 ±0.08 / 41.79 ms │             42.03 / 42.66 ±0.89 / 44.41 ms │    no change │
│ QQuery 92 │        29.50 / 29.78 ±0.25 / 30.20 ms │             29.77 / 30.19 ±0.26 / 30.58 ms │    no change │
│ QQuery 93 │        49.72 / 50.06 ±0.37 / 50.68 ms │             49.55 / 50.61 ±1.14 / 52.63 ms │    no change │
│ QQuery 94 │        39.02 / 39.75 ±1.15 / 42.04 ms │             39.09 / 40.65 ±1.89 / 44.29 ms │    no change │
│ QQuery 95 │        80.30 / 81.60 ±1.41 / 84.32 ms │             82.39 / 83.87 ±0.93 / 85.10 ms │    no change │
│ QQuery 96 │        24.00 / 24.10 ±0.06 / 24.17 ms │             23.83 / 24.12 ±0.22 / 24.42 ms │    no change │
│ QQuery 97 │        50.39 / 52.23 ±1.50 / 54.10 ms │             50.73 / 52.46 ±1.39 / 54.32 ms │    no change │
│ QQuery 98 │        38.47 / 39.95 ±1.56 / 42.39 ms │             38.64 / 41.10 ±3.08 / 47.03 ms │    no change │
│ QQuery 99 │        57.69 / 58.45 ±1.18 / 60.79 ms │             57.51 / 58.11 ±0.69 / 59.36 ms │    no change │
└───────────┴───────────────────────────────────────┴────────────────────────────────────────────┴──────────────┘
┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┳━━━━━━━━━━━┓
┃ Benchmark Summary                                         ┃           ┃
┡━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━╇━━━━━━━━━━━┩
│ Total Time (HEAD)                                         │ 9867.70ms │
│ Total Time (rich-T-kid_hash-join-dictionary-hash-reuse)   │ 9855.37ms │
│ Average Time (HEAD)                                       │   99.67ms │
│ Average Time (rich-T-kid_hash-join-dictionary-hash-reuse) │   99.55ms │
│ Queries Faster                                            │         0 │
│ Queries Slower                                            │         1 │
│ Queries with No Change                                    │        98 │
│ Queries with Failure                                      │         0 │
└───────────────────────────────────────────────────────────┴───────────┘

Memory Pool Peaks

Peak MemoryPool reservation per query — what DataFusion's accounting believes it reserved. Recorded only for benchmarks that write a results JSON (the dfbench suites, and the suites bench.sh runs through the Criterion SQL harness since #25644), and only under a memory limit: DATAFUSION_RUNTIME_MEMORY_LIMIT, or one the suite sets itself.

Base: 4ede5833f68dad5bc8169492dedc5749fcc4b8d5 | Changed: 8fccf69b78cfcddf53df0025958176ecdca556b5

tpcds — tpcds_sf1

Query	Base	Changed	Change
Query 1	135.4 KiB	202.1 KiB	+49.3%
Query 2	81.9 MiB	60.8 MiB	-25.7%
Query 3	1.6 MiB	1.9 MiB	+14.4%
Query 4	79.7 MiB	79.7 MiB	-0.0%
Query 5	12.5 MiB	12.5 MiB	+0.1%
Query 6	4.4 MiB	4.4 MiB	-0.2%
Query 7	3.7 MiB	3.7 MiB	-0.1%
Query 8	1.7 MiB	2.1 MiB	+22.7%
Query 9	32.1 KiB	32.1 KiB	+0.0%
Query 10	2.0 MiB	2.0 MiB	+0.0%
Query 11	62.0 MiB	62.0 MiB	+0.0%
Query 12	114.4 MiB	114.4 MiB	-0.0%
Query 13	13.0 MiB	13.7 MiB	+5.1%
Query 14	170.9 MiB	170.9 MiB	+0.0%
Query 15	4.2 MiB	4.2 MiB	+0.0%
Query 16	118.6 KiB	118.6 KiB	+0.0%
Query 17	41.0 MiB	41.5 MiB	+1.1%
Query 18	21.2 MiB	21.2 MiB	+0.0%
Query 19	1.9 MiB	1.9 MiB	-2.9%
Query 20	114.6 MiB	124.4 MiB	+8.5%
Query 21	3.6 MiB	4.1 MiB	+12.4%
Query 22	61.8 MiB	61.8 MiB	+0.0%
Query 23	212.3 MiB	211.9 MiB	-0.2%
Query 24	38.7 MiB	38.7 MiB	+0.0%
Query 25	99.9 MiB	99.9 MiB	+0.0%
Query 26	3.6 MiB	3.8 MiB	+4.7%
Query 27	1.6 MiB	1.6 MiB	+0.0%
Query 28	1.5 MiB	1.6 MiB	+9.1%
Query 29	104.7 MiB	104.7 MiB	+0.0%
Query 30	3.8 MiB	3.8 MiB	-0.8%
Query 31	13.4 MiB	13.4 MiB	-0.0%
Query 32	2.9 MiB	2.7 MiB	-7.5%
Query 33	4.7 MiB	5.2 MiB	+10.4%
Query 34	6.0 MiB	6.0 MiB	+0.0%
Query 35	17.5 MiB	17.5 MiB	+0.0%
Query 36	10.3 MiB	10.3 MiB	+0.0%
Query 37	3.3 MiB	3.3 MiB	+0.0%
Query 38	10.4 MiB	10.4 MiB	+0.0%
Query 39	42.6 MiB	73.3 MiB	+72.2%
Query 40	12.2 MiB	12.2 MiB	+0.0%
Query 41	2.1 MiB	2.1 MiB	+0.0%
Query 42	1.2 MiB	1.1 MiB	-12.1%
Query 43	275.0 KiB	275.0 KiB	+0.0%
Query 44	233.2 KiB	233.2 KiB	+0.0%
Query 45	4.5 MiB	4.5 MiB	-0.3%
Query 46	6.2 MiB	6.2 MiB	+0.0%
Query 47	128.5 MiB	128.5 MiB	+0.0%
Query 48	11.8 MiB	11.8 MiB	+0.0%
Query 49	32.8 MiB	42.5 MiB	+29.8%
Query 50	17.3 MiB	17.7 MiB	+2.1%
Query 51	178.0 MiB	177.7 MiB	-0.2%
Query 52	1.3 MiB	1.7 MiB	+31.7%
Query 53	30.6 MiB	30.6 MiB	+0.0%
Query 54	2.1 MiB	2.1 MiB	+0.0%
Query 55	1.4 MiB	1.5 MiB	+6.0%
Query 56	3.3 MiB	3.0 MiB	-7.1%
Query 57	120.8 MiB	120.8 MiB	-0.0%
Query 58	4.4 MiB	4.2 MiB	-4.8%
Query 59	11.7 MiB	11.7 MiB	+0.0%
Query 60	7.2 MiB	7.2 MiB	+0.0%
Query 61	2.5 KiB	2.5 KiB	+0.0%
Query 62	3.6 MiB	3.3 MiB	-8.9%
Query 63	30.4 MiB	30.4 MiB	+0.0%
Query 64	73.8 MiB	82.9 MiB	+12.3%
Query 65	29.7 MiB	29.7 MiB	+0.0%
Query 66	11.9 MiB	14.9 MiB	+26.1%
Query 67	138.0 MiB	140.5 MiB	+1.8%
Query 68	6.2 MiB	6.2 MiB	+0.0%
Query 69	3.9 MiB	3.8 MiB	-1.0%
Query 70	44.0 MiB	44.0 MiB	+0.0%
Query 71	40.4 MiB	40.4 MiB	-0.0%
Query 72	97.2 MiB	97.2 MiB	+0.0%
Query 73	6.0 MiB	6.0 MiB	+0.0%
Query 74	34.6 MiB	34.6 MiB	-0.0%
Query 75	21.3 MiB	20.8 MiB	-2.5%
Query 76	7.9 MiB	7.9 MiB	+0.0%
Query 77	4.1 MiB	3.9 MiB	-3.6%
Query 78	110.7 MiB	108.1 MiB	-2.3%
Query 79	8.7 MiB	9.3 MiB	+7.5%
Query 80	41.6 MiB	41.7 MiB	+0.3%
Query 81	4.1 MiB	4.1 MiB	-0.3%
Query 82	4.9 MiB	4.9 MiB	+0.0%
Query 83	9.0 MiB	8.9 MiB	-1.0%
Query 84	11.9 MiB	11.9 MiB	+0.0%
Query 85	17.0 MiB	17.0 MiB	+0.0%
Query 86	82.1 MiB	91.9 MiB	+12.0%
Query 87	12.9 MiB	12.9 MiB	+0.0%
Query 88	1.7 MiB	1.7 MiB	+3.1%
Query 89	112.2 MiB	112.2 MiB	+0.0%
Query 90	357.5 KiB	351.7 KiB	-1.6%
Query 91	31.0 MiB	31.0 MiB	+0.1%
Query 92	2.7 MiB	2.5 MiB	-8.1%
Query 93	15.1 MiB	15.1 MiB	+0.0%
Query 94	3.7 MiB	3.7 MiB	+0.0%
Query 95	17.9 MiB	18.8 MiB	+5.4%
Query 96	224.7 KiB	224.7 KiB	+0.0%
Query 97	33.1 MiB	33.1 MiB	+0.2%
Query 98	114.7 MiB	114.7 MiB	-0.0%
Query 99	1.6 MiB	1.8 MiB	+10.0%

Pool accounting vs. process RSS

Max pool peak is the largest reservation any single query in the run reached; peak RSS covers the whole invocation, including data loading and allocator retention, and the two high-water marks need not coincide in time. The gap is therefore an upper bound on what the pool did not account for, not a measurement of it.

Benchmark	Side	Max pool peak	Peak RSS	Gap	RSS / pool
tpcds	base (`4ede5833f68dad5bc8169492dedc5749fcc4b8d5`)	212.3 MiB	1.9 GiB	1.7 GiB	9.0×
tpcds	changed (`8fccf69b78cfcddf53df0025958176ecdca556b5`)	211.9 MiB	1.9 GiB	1.7 GiB	9.1×

Resource Usage

tpcds — base (merge-base)

Metric	Value
Wall time	50.0s
Peak memory	1.9 GiB
Avg memory	1.4 GiB
CPU user	195.7s
CPU sys	5.5s
Peak spill	0 B

tpcds — branch

Metric	Value
Wall time	50.0s
Peak memory	1.9 GiB
Avg memory	1.4 GiB
CPU user	197.4s
CPU sys	5.5s
Peak spill	0 B

File an issue against this benchmark runner

adriangbot · 2026-10-27T20:33:57Z

🤖 Benchmark completed (GKE) | trigger

Instance: c4a-highmem-16 (12 vCPU / 65 GiB)

Comparing 8fccf69 (8fccf69) to 4ede583 diff

Run configuration

run benchmark clickbench_partitioned
env:
  DATAFUSION_EXECUTION_PARQUET_ENABLE_RLE_TO_DICTIONARY: "true"
  DATAFUSION_RUNTIME_MEMORY_LIMIT: "32G"
baseline:
  ref: "4ede5833f68dad5bc8169492dedc5749fcc4b8d5"
changed:
  ref: "8fccf69b78cfcddf53df0025958176ecdca556b5"

CPU Details (lscpu)

Architecture:                            aarch64
CPU op-mode(s):                          64-bit
Byte Order:                              Little Endian
CPU(s):                                  16
On-line CPU(s) list:                     0-15
Vendor ID:                               ARM
Model name:                              Neoverse-V2
Model:                                   1
Thread(s) per core:                      1
Core(s) per cluster:                     16
Socket(s):                               -
Cluster(s):                              1
Stepping:                                r0p1
BogoMIPS:                                2000.00
Flags:                                   fp asimd evtstrm aes pmull sha1 sha2 crc32 atomics fphp asimdhp cpuid asimdrdm jscvt fcma lrcpc dcpop sha3 sm3 sm4 asimddp sha512 sve asimdfhm dit uscat ilrcpc flagm sb paca pacg dcpodp sve2 sveaes svepmull svebitperm svesha3 svesm4 flagm2 frint svei8mm svebf16 i8mm bf16 dgh rng bti
L1d cache:                               1 MiB (16 instances)
L1i cache:                               1 MiB (16 instances)
L2 cache:                                32 MiB (16 instances)
L3 cache:                                80 MiB (1 instance)
NUMA node(s):                            1
NUMA node0 CPU(s):                       0-15
Vulnerability Gather data sampling:      Not affected
Vulnerability Indirect target selection: Not affected
Vulnerability Itlb multihit:             Not affected
Vulnerability L1tf:                      Not affected
Vulnerability Mds:                       Not affected
Vulnerability Meltdown:                  Not affected
Vulnerability Mmio stale data:           Not affected
Vulnerability Reg file data sampling:    Not affected
Vulnerability Retbleed:                  Not affected
Vulnerability Spec rstack overflow:      Not affected
Vulnerability Spec store bypass:         Mitigation; Speculative Store Bypass disabled via prctl
Vulnerability Spectre v1:                Mitigation; __user pointer sanitization
Vulnerability Spectre v2:                Mitigation; CSV2, BHB
Vulnerability Srbds:                     Not affected
Vulnerability Tsa:                       Not affected
Vulnerability Tsx async abort:           Not affected
Vulnerability Vmscape:                   Not affected

Details

Comparing HEAD and rich-T-kid_hash-join-dictionary-hash-reuse
--------------------
Benchmark clickbench_partitioned.json
--------------------
┏━━━━━━━━━━━┳━━━━━━━━━━━━━┳━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┳━━━━━━━━━━━━━━━┓
┃ Query     ┃        HEAD ┃ rich-T-kid_hash-join-dictionary-hash-reuse ┃        Change ┃
┡━━━━━━━━━━━╇━━━━━━━━━━━━━╇━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━╇━━━━━━━━━━━━━━━┩
│ QQuery 0  │     1.16 ms │                                    1.14 ms │     no change │
│ QQuery 1  │    11.28 ms │                                   11.02 ms │     no change │
│ QQuery 2  │    37.01 ms │                                   36.07 ms │     no change │
│ QQuery 3  │    32.00 ms │                                   31.40 ms │     no change │
│ QQuery 4  │   241.33 ms │                                  236.24 ms │     no change │
│ QQuery 5  │  1496.15 ms │                                 1436.35 ms │     no change │
│ QQuery 6  │     1.18 ms │                                    1.19 ms │     no change │
│ QQuery 7  │    12.47 ms │                                   12.29 ms │     no change │
│ QQuery 8  │   341.76 ms │                                  337.44 ms │     no change │
│ QQuery 9  │   497.32 ms │                                  480.81 ms │     no change │
│ QQuery 10 │   198.76 ms │                                  198.23 ms │     no change │
│ QQuery 11 │   210.18 ms │                                  209.93 ms │     no change │
│ QQuery 12 │  1500.65 ms │                                 1504.44 ms │     no change │
│ QQuery 13 │  2199.90 ms │                                 2084.38 ms │ +1.06x faster │
│ QQuery 14 │  1667.09 ms │                                 1677.71 ms │     no change │
│ QQuery 15 │   296.28 ms │                                  295.47 ms │     no change │
│ QQuery 16 │  3627.95 ms │                                 3706.83 ms │     no change │
│ QQuery 17 │  3824.78 ms │                                 3713.36 ms │     no change │
│ QQuery 18 │  6844.86 ms │                                 6860.33 ms │     no change │
│ QQuery 19 │    26.93 ms │                                   26.83 ms │     no change │
│ QQuery 20 │  1045.95 ms │                                 1047.88 ms │     no change │
│ QQuery 21 │  1362.87 ms │                                 1345.20 ms │     no change │
│ QQuery 22 │  3214.57 ms │                                 3207.32 ms │     no change │
│ QQuery 23 │  9145.82 ms │                                 9249.15 ms │     no change │
│ QQuery 24 │    94.92 ms │                                   94.86 ms │     no change │
│ QQuery 25 │   350.56 ms │                                  350.88 ms │     no change │
│ QQuery 26 │    96.98 ms │                                   95.97 ms │     no change │
│ QQuery 27 │  1129.26 ms │                                 1138.80 ms │     no change │
│ QQuery 28 │  2753.72 ms │                                 2769.68 ms │     no change │
│ QQuery 29 │    38.92 ms │                                   39.50 ms │     no change │
│ QQuery 30 │   542.45 ms │                                  555.66 ms │     no change │
│ QQuery 31 │   539.94 ms │                                  552.12 ms │     no change │
│ QQuery 32 │   998.00 ms │                                 1084.24 ms │  1.09x slower │
│ QQuery 33 │ 14083.95 ms │                                13485.13 ms │     no change │
│ QQuery 34 │ 14221.07 ms │                                13589.80 ms │     no change │
│ QQuery 35 │   291.92 ms │                                  294.32 ms │     no change │
│ QQuery 36 │   167.59 ms │                                  162.94 ms │     no change │
│ QQuery 37 │    95.12 ms │                                   94.80 ms │     no change │
│ QQuery 38 │    80.87 ms │                                   77.42 ms │     no change │
│ QQuery 39 │   376.74 ms │                                  392.49 ms │     no change │
│ QQuery 40 │    13.94 ms │                                   14.20 ms │     no change │
│ QQuery 41 │    12.92 ms │                                   13.56 ms │     no change │
│ QQuery 42 │    12.66 ms │                                   13.24 ms │     no change │
└───────────┴─────────────┴────────────────────────────────────────────┴───────────────┘
┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┳━━━━━━━━━━━━┓
┃ Benchmark Summary                                         ┃            ┃
┡━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━╇━━━━━━━━━━━━┩
│ Total Time (HEAD)                                         │ 73739.79ms │
│ Total Time (rich-T-kid_hash-join-dictionary-hash-reuse)   │ 72530.63ms │
│ Average Time (HEAD)                                       │  1714.88ms │
│ Average Time (rich-T-kid_hash-join-dictionary-hash-reuse) │  1686.76ms │
│ Queries Faster                                            │          1 │
│ Queries Slower                                            │          1 │
│ Queries with No Change                                    │         41 │
│ Queries with Failure                                      │          0 │
└───────────────────────────────────────────────────────────┴────────────┘

Distribution per query (min / mean ±stddev / max):

Comparing HEAD and rich-T-kid_hash-join-dictionary-hash-reuse
--------------------
Benchmark clickbench_partitioned.json
--------------------
┏━━━━━━━━━━━┳━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┳━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┳━━━━━━━━━━━━━━━┓
┃ Query     ┃                                       HEAD ┃ rich-T-kid_hash-join-dictionary-hash-reuse ┃        Change ┃
┡━━━━━━━━━━━╇━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━╇━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━╇━━━━━━━━━━━━━━━┩
│ QQuery 0  │               1.16 / 4.26 ±6.11 / 16.48 ms │               1.14 / 4.25 ±6.09 / 16.42 ms │     no change │
│ QQuery 1  │             11.28 / 11.42 ±0.10 / 11.54 ms │             11.02 / 11.14 ±0.09 / 11.26 ms │     no change │
│ QQuery 2  │             37.01 / 37.32 ±0.26 / 37.72 ms │             36.07 / 36.23 ±0.11 / 36.42 ms │     no change │
│ QQuery 3  │             32.00 / 32.53 ±0.63 / 33.72 ms │             31.40 / 31.65 ±0.28 / 32.19 ms │     no change │
│ QQuery 4  │          241.33 / 245.82 ±2.36 / 248.32 ms │          236.24 / 238.98 ±1.67 / 241.47 ms │     no change │
│ QQuery 5  │      1496.15 / 1552.62 ±36.19 / 1609.60 ms │      1436.35 / 1534.43 ±60.86 / 1612.73 ms │     no change │
│ QQuery 6  │                1.18 / 1.34 ±0.23 / 1.80 ms │                1.19 / 1.34 ±0.24 / 1.81 ms │     no change │
│ QQuery 7  │             12.47 / 17.04 ±8.92 / 34.88 ms │             12.29 / 12.35 ±0.07 / 12.49 ms │ +1.38x faster │
│ QQuery 8  │          341.76 / 346.68 ±2.76 / 350.18 ms │          337.44 / 344.57 ±7.47 / 355.81 ms │     no change │
│ QQuery 9  │          497.32 / 505.16 ±6.42 / 515.63 ms │          480.81 / 487.07 ±5.57 / 497.24 ms │     no change │
│ QQuery 10 │          198.76 / 203.42 ±6.77 / 216.68 ms │          198.23 / 200.05 ±1.09 / 201.23 ms │     no change │
│ QQuery 11 │          210.18 / 212.01 ±1.56 / 214.82 ms │          209.93 / 210.36 ±0.44 / 211.11 ms │     no change │
│ QQuery 12 │      1500.65 / 1547.30 ±32.68 / 1587.97 ms │      1504.44 / 1563.97 ±38.60 / 1616.38 ms │     no change │
│ QQuery 13 │     2199.90 / 2779.21 ±312.63 / 3147.57 ms │     2084.38 / 2373.60 ±299.43 / 2871.86 ms │ +1.17x faster │
│ QQuery 14 │      1667.09 / 1715.76 ±36.16 / 1774.64 ms │      1677.71 / 1748.30 ±54.53 / 1807.95 ms │     no change │
│ QQuery 15 │         296.28 / 308.96 ±10.50 / 328.06 ms │         295.47 / 325.14 ±29.05 / 366.08 ms │  1.05x slower │
│ QQuery 16 │     3627.95 / 3818.21 ±141.73 / 3983.21 ms │      3706.83 / 3791.57 ±88.24 / 3949.84 ms │     no change │
│ QQuery 17 │     3824.78 / 3926.69 ±126.77 / 4174.27 ms │      3713.36 / 3844.36 ±83.26 / 3963.31 ms │     no change │
│ QQuery 18 │     6844.86 / 7102.21 ±140.75 / 7263.78 ms │     6860.33 / 7097.58 ±173.23 / 7301.78 ms │     no change │
│ QQuery 19 │            26.93 / 40.91 ±27.11 / 95.13 ms │             26.83 / 27.35 ±0.49 / 28.15 ms │ +1.50x faster │
│ QQuery 20 │      1045.95 / 1061.22 ±14.59 / 1078.81 ms │      1047.88 / 1058.28 ±10.47 / 1077.51 ms │     no change │
│ QQuery 21 │      1362.87 / 1375.82 ±17.91 / 1410.97 ms │       1345.20 / 1358.47 ±8.09 / 1367.26 ms │     no change │
│ QQuery 22 │      3214.57 / 3264.98 ±76.17 / 3412.68 ms │      3207.32 / 3227.02 ±17.72 / 3252.06 ms │     no change │
│ QQuery 23 │     9145.82 / 9304.82 ±118.81 / 9450.93 ms │     9249.15 / 9351.34 ±123.40 / 9586.11 ms │     no change │
│ QQuery 24 │          94.92 / 114.64 ±28.81 / 171.28 ms │          94.86 / 146.62 ±98.88 / 344.32 ms │  1.28x slower │
│ QQuery 25 │         350.56 / 376.64 ±48.20 / 473.00 ms │          350.88 / 354.62 ±4.56 / 363.57 ms │ +1.06x faster │
│ QQuery 26 │            96.98 / 98.89 ±1.84 / 102.06 ms │            95.97 / 98.65 ±2.16 / 101.73 ms │     no change │
│ QQuery 27 │       1129.26 / 1141.11 ±7.63 / 1151.10 ms │      1138.80 / 1149.75 ±12.28 / 1167.90 ms │     no change │
│ QQuery 28 │      2753.72 / 2787.77 ±45.76 / 2876.89 ms │      2769.68 / 2803.36 ±26.94 / 2841.84 ms │     no change │
│ QQuery 29 │             38.92 / 46.37 ±9.97 / 64.05 ms │             39.50 / 44.20 ±5.43 / 53.22 ms │     no change │
│ QQuery 30 │          542.45 / 549.31 ±5.73 / 559.44 ms │          555.66 / 559.10 ±1.85 / 561.22 ms │     no change │
│ QQuery 31 │         539.94 / 563.72 ±16.20 / 584.62 ms │         552.12 / 565.66 ±12.69 / 582.21 ms │     no change │
│ QQuery 32 │       998.00 / 1038.94 ±34.91 / 1081.57 ms │      1084.24 / 1122.15 ±37.47 / 1186.43 ms │  1.08x slower │
│ QQuery 33 │ 14083.95 / 17504.29 ±6016.14 / 29528.18 ms │  13485.13 / 14030.19 ±414.17 / 14579.26 ms │ +1.25x faster │
│ QQuery 34 │  14221.07 / 14558.11 ±186.27 / 14716.12 ms │  13589.80 / 14171.57 ±351.95 / 14625.10 ms │     no change │
│ QQuery 35 │        291.92 / 369.67 ±136.94 / 643.32 ms │         294.32 / 317.91 ±21.11 / 354.10 ms │ +1.16x faster │
│ QQuery 36 │         167.59 / 196.10 ±34.00 / 262.79 ms │         162.94 / 180.11 ±18.85 / 216.29 ms │ +1.09x faster │
│ QQuery 37 │          95.12 / 103.47 ±13.40 / 130.12 ms │           94.80 / 100.47 ±5.56 / 110.94 ms │     no change │
│ QQuery 38 │             80.87 / 84.15 ±2.61 / 88.79 ms │             77.42 / 81.77 ±2.64 / 84.54 ms │     no change │
│ QQuery 39 │          376.74 / 393.11 ±8.64 / 401.93 ms │          392.49 / 408.16 ±9.18 / 419.94 ms │     no change │
│ QQuery 40 │             13.94 / 15.95 ±2.94 / 21.54 ms │             14.20 / 14.72 ±0.61 / 15.87 ms │ +1.08x faster │
│ QQuery 41 │             12.92 / 13.25 ±0.28 / 13.77 ms │             13.56 / 13.76 ±0.15 / 14.03 ms │     no change │
│ QQuery 42 │             12.66 / 12.78 ±0.11 / 12.97 ms │             13.24 / 16.33 ±2.49 / 19.16 ms │  1.28x slower │
└───────────┴────────────────────────────────────────────┴────────────────────────────────────────────┴───────────────┘
┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┳━━━━━━━━━━━━┓
┃ Benchmark Summary                                         ┃            ┃
┡━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━╇━━━━━━━━━━━━┩
│ Total Time (HEAD)                                         │ 79384.01ms │
│ Total Time (rich-T-kid_hash-join-dictionary-hash-reuse)   │ 75058.53ms │
│ Average Time (HEAD)                                       │  1846.14ms │
│ Average Time (rich-T-kid_hash-join-dictionary-hash-reuse) │  1745.55ms │
│ Queries Faster                                            │          8 │
│ Queries Slower                                            │          4 │
│ Queries with No Change                                    │         31 │
│ Queries with Failure                                      │          0 │
└───────────────────────────────────────────────────────────┴────────────┘

Memory Pool Peaks

Peak MemoryPool reservation per query — what DataFusion's accounting believes it reserved. Recorded only for benchmarks that write a results JSON (the dfbench suites, and the suites bench.sh runs through the Criterion SQL harness since #25644), and only under a memory limit: DATAFUSION_RUNTIME_MEMORY_LIMIT, or one the suite sets itself.

Base: 4ede5833f68dad5bc8169492dedc5749fcc4b8d5 | Changed: 8fccf69b78cfcddf53df0025958176ecdca556b5

clickbench_partitioned

Query	Base	Changed	Change
Query 0	0 B	0 B	0.0%
Query 1	104 B	104 B	+0.0%
Query 2	936 B	936 B	+0.0%
Query 3	312 B	312 B	+0.0%
Query 4	844.6 MiB	828.0 MiB	-2.0%
Query 5	1.4 GiB	1.4 GiB	-0.2%
Query 6	0 B	0 B	0.0%
Query 7	60.3 MiB	40.4 MiB	-33.0%
Query 8	965.2 MiB	933.6 MiB	-3.3%
Query 9	593.9 MiB	594.1 MiB	+0.0%
Query 10	71.5 MiB	70.9 MiB	-0.8%
Query 11	77.4 MiB	75.0 MiB	-3.1%
Query 12	1.6 GiB	1.6 GiB	+1.5%
Query 13	1.9 GiB	1.8 GiB	-2.2%
Query 14	1.9 GiB	1.9 GiB	-0.1%
Query 15	1.2 GiB	1.2 GiB	-5.7%
Query 16	3.4 GiB	3.3 GiB	-3.1%
Query 17	3.3 GiB	3.6 GiB	+9.1%
Query 18	7.2 GiB	7.1 GiB	-1.0%
Query 19	0 B	0 B	0.0%
Query 20	104 B	104 B	+0.0%
Query 21	1.3 MiB	1.3 MiB	+0.1%
Query 22	2.3 MiB	2.4 MiB	+8.8%
Query 23	12.9 MiB	12.6 MiB	-2.2%
Query 24	6.9 MiB	6.3 MiB	-8.2%
Query 25	6.9 MiB	6.9 MiB	+0.0%
Query 26	7.5 MiB	7.1 MiB	-5.5%
Query 27	2.5 MiB	2.5 MiB	+0.0%
Query 28	2.0 GiB	2.1 GiB	+4.4%
Query 29	624 B	624 B	+0.0%
Query 30	690.1 MiB	616.5 MiB	-10.7%
Query 31	1.6 GiB	1.5 GiB	-5.9%
Query 32	7.2 GiB	7.1 GiB	-0.3%
Query 33	12.7 GiB	12.7 GiB	+0.2%
Query 34	12.7 GiB	12.3 GiB	-3.3%
Query 35	669.5 MiB	674.7 MiB	+0.8%
Query 36	474.1 MiB	474.1 MiB	+0.0%
Query 37	8.4 MiB	8.1 MiB	-2.9%
Query 38	5.3 MiB	5.3 MiB	-0.0%
Query 39	450.8 MiB	450.8 MiB	+0.0%
Query 40	2.6 MiB	2.6 MiB	+0.1%
Query 41	3.1 MiB	3.1 MiB	-0.1%
Query 42	1.6 MiB	1.7 MiB	+6.2%

Pool accounting vs. process RSS

Max pool peak is the largest reservation any single query in the run reached; peak RSS covers the whole invocation, including data loading and allocator retention, and the two high-water marks need not coincide in time. The gap is therefore an upper bound on what the pool did not account for, not a measurement of it.

Benchmark	Side	Max pool peak	Peak RSS	Gap	RSS / pool
clickbench_partitioned	base (`4ede5833f68dad5bc8169492dedc5749fcc4b8d5`)	12.7 GiB	14.2 GiB	1.5 GiB	1.1×
clickbench_partitioned	changed (`8fccf69b78cfcddf53df0025958176ecdca556b5`)	12.7 GiB	13.0 GiB	243.6 MiB	1.0×

Resource Usage

clickbench_partitioned — base (merge-base)

Metric	Value
Wall time	400.1s
Peak memory	14.2 GiB
Avg memory	6.3 GiB
CPU user	3319.2s
CPU sys	240.1s
Peak spill	10.7 GiB

clickbench_partitioned — branch

Metric	Value
Wall time	380.1s
Peak memory	13.0 GiB
Avg memory	6.1 GiB
CPU user	3290.3s
CPU sys	209.2s
Peak spill	0 B

File an issue against this benchmark runner

Rich-T-kid · 2026-10-27T20:34:30Z

run benchmark clickbench_partitioned

env:
  DATAFUSION_RUNTIME_MEMORY_LIMIT: "32G"
  DATAFUSION_EXECUTION_PARQUET_ENABLE_RLE_TO_DICTIONARY: "true"
baseline:
  ref: "4ede5833f68dad5bc8169492dedc5749fcc4b8d5"
changed:
  ref: "8fccf69b78cfcddf53df0025958176ecdca556b5"

adriangbot · 2026-10-27T20:36:03Z

🤖 Benchmark running (GKE) | trigger
Instance: c4a-highmem-16 (12 vCPU / 65 GiB) | Linux bench-c6452907769-3968-dgzmh 6.12.105+ #1 SMP Sat Sep 19 07:55:25 UTC 2026 aarch64 GNU/Linux

CPU Details (lscpu)

Architecture:                            aarch64
CPU op-mode(s):                          64-bit
Byte Order:                              Little Endian
CPU(s):                                  16
On-line CPU(s) list:                     0-15
Vendor ID:                               ARM
Model name:                              Neoverse-V2
Model:                                   1
Thread(s) per core:                      1
Core(s) per cluster:                     16
Socket(s):                               -
Cluster(s):                              1
Stepping:                                r0p1
BogoMIPS:                                2000.00
Flags:                                   fp asimd evtstrm aes pmull sha1 sha2 crc32 atomics fphp asimdhp cpuid asimdrdm jscvt fcma lrcpc dcpop sha3 sm3 sm4 asimddp sha512 sve asimdfhm dit uscat ilrcpc flagm sb paca pacg dcpodp sve2 sveaes svepmull svebitperm svesha3 svesm4 flagm2 frint svei8mm svebf16 i8mm bf16 dgh rng bti
L1d cache:                               1 MiB (16 instances)
L1i cache:                               1 MiB (16 instances)
L2 cache:                                32 MiB (16 instances)
L3 cache:                                80 MiB (1 instance)
NUMA node(s):                            1
NUMA node0 CPU(s):                       0-15
Vulnerability Gather data sampling:      Not affected
Vulnerability Indirect target selection: Not affected
Vulnerability Itlb multihit:             Not affected
Vulnerability L1tf:                      Not affected
Vulnerability Mds:                       Not affected
Vulnerability Meltdown:                  Not affected
Vulnerability Mmio stale data:           Not affected
Vulnerability Reg file data sampling:    Not affected
Vulnerability Retbleed:                  Not affected
Vulnerability Spec rstack overflow:      Not affected
Vulnerability Spec store bypass:         Mitigation; Speculative Store Bypass disabled via prctl
Vulnerability Spectre v1:                Mitigation; __user pointer sanitization
Vulnerability Spectre v2:                Mitigation; CSV2, BHB
Vulnerability Srbds:                     Not affected
Vulnerability Tsa:                       Not affected
Vulnerability Tsx async abort:           Not affected
Vulnerability Vmscape:                   Not affected

Comparing 8fccf69 (8fccf69) to 4ede583 diff

Run configuration

run benchmark clickbench_partitioned
env:
  DATAFUSION_EXECUTION_PARQUET_ENABLE_RLE_TO_DICTIONARY: "true"
  DATAFUSION_RUNTIME_MEMORY_LIMIT: "32G"
baseline:
  ref: "4ede5833f68dad5bc8169492dedc5749fcc4b8d5"
changed:
  ref: "8fccf69b78cfcddf53df0025958176ecdca556b5"

Results will be posted here when complete

File an issue against this benchmark runner

adriangbot · 2026-10-27T20:53:30Z

🤖 Benchmark completed (GKE) | trigger

Instance: c4a-highmem-16 (12 vCPU / 65 GiB)

Comparing 8fccf69 (8fccf69) to 4ede583 diff

Run configuration

run benchmark clickbench_partitioned
env:
  DATAFUSION_EXECUTION_PARQUET_ENABLE_RLE_TO_DICTIONARY: "true"
  DATAFUSION_RUNTIME_MEMORY_LIMIT: "32G"
baseline:
  ref: "4ede5833f68dad5bc8169492dedc5749fcc4b8d5"
changed:
  ref: "8fccf69b78cfcddf53df0025958176ecdca556b5"

CPU Details (lscpu)

Architecture:                            aarch64
CPU op-mode(s):                          64-bit
Byte Order:                              Little Endian
CPU(s):                                  16
On-line CPU(s) list:                     0-15
Vendor ID:                               ARM
Model name:                              Neoverse-V2
Model:                                   1
Thread(s) per core:                      1
Core(s) per cluster:                     16
Socket(s):                               -
Cluster(s):                              1
Stepping:                                r0p1
BogoMIPS:                                2000.00
Flags:                                   fp asimd evtstrm aes pmull sha1 sha2 crc32 atomics fphp asimdhp cpuid asimdrdm jscvt fcma lrcpc dcpop sha3 sm3 sm4 asimddp sha512 sve asimdfhm dit uscat ilrcpc flagm sb paca pacg dcpodp sve2 sveaes svepmull svebitperm svesha3 svesm4 flagm2 frint svei8mm svebf16 i8mm bf16 dgh rng bti
L1d cache:                               1 MiB (16 instances)
L1i cache:                               1 MiB (16 instances)
L2 cache:                                32 MiB (16 instances)
L3 cache:                                80 MiB (1 instance)
NUMA node(s):                            1
NUMA node0 CPU(s):                       0-15
Vulnerability Gather data sampling:      Not affected
Vulnerability Indirect target selection: Not affected
Vulnerability Itlb multihit:             Not affected
Vulnerability L1tf:                      Not affected
Vulnerability Mds:                       Not affected
Vulnerability Meltdown:                  Not affected
Vulnerability Mmio stale data:           Not affected
Vulnerability Reg file data sampling:    Not affected
Vulnerability Retbleed:                  Not affected
Vulnerability Spec rstack overflow:      Not affected
Vulnerability Spec store bypass:         Mitigation; Speculative Store Bypass disabled via prctl
Vulnerability Spectre v1:                Mitigation; __user pointer sanitization
Vulnerability Spectre v2:                Mitigation; CSV2, BHB
Vulnerability Srbds:                     Not affected
Vulnerability Tsa:                       Not affected
Vulnerability Tsx async abort:           Not affected
Vulnerability Vmscape:                   Not affected

Details

Comparing HEAD and rich-T-kid_hash-join-dictionary-hash-reuse
--------------------
Benchmark clickbench_partitioned.json
--------------------
┏━━━━━━━━━━━┳━━━━━━━━━━━━━┳━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┳━━━━━━━━━━━━━━┓
┃ Query     ┃        HEAD ┃ rich-T-kid_hash-join-dictionary-hash-reuse ┃       Change ┃
┡━━━━━━━━━━━╇━━━━━━━━━━━━━╇━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━╇━━━━━━━━━━━━━━┩
│ QQuery 0  │     1.14 ms │                                    1.13 ms │    no change │
│ QQuery 1  │    10.96 ms │                                   11.19 ms │    no change │
│ QQuery 2  │    35.70 ms │                                   35.69 ms │    no change │
│ QQuery 3  │    31.19 ms │                                   31.50 ms │    no change │
│ QQuery 4  │   236.46 ms │                                  236.34 ms │    no change │
│ QQuery 5  │  1427.23 ms │                                 1508.77 ms │ 1.06x slower │
│ QQuery 6  │     1.18 ms │                                    1.20 ms │    no change │
│ QQuery 7  │    11.95 ms │                                   12.42 ms │    no change │
│ QQuery 8  │   328.59 ms │                                  345.67 ms │ 1.05x slower │
│ QQuery 9  │   468.68 ms │                                  502.35 ms │ 1.07x slower │
│ QQuery 10 │   196.33 ms │                                  198.44 ms │    no change │
│ QQuery 11 │   207.73 ms │                                  210.08 ms │    no change │
│ QQuery 12 │  1456.26 ms │                                 1565.70 ms │ 1.08x slower │
│ QQuery 13 │  1989.85 ms │                                 2077.49 ms │    no change │
│ QQuery 14 │  1622.09 ms │                                 1596.16 ms │    no change │
│ QQuery 15 │   293.72 ms │                                  296.73 ms │    no change │
│ QQuery 16 │  3624.85 ms │                                 3654.06 ms │    no change │
│ QQuery 17 │  3603.29 ms │                                 3655.78 ms │    no change │
│ QQuery 18 │  6633.79 ms │                                 6885.85 ms │    no change │
│ QQuery 19 │    26.50 ms │                                   26.98 ms │    no change │
│ QQuery 20 │  1044.81 ms │                                 1042.29 ms │    no change │
│ QQuery 21 │  1351.62 ms │                                 1357.00 ms │    no change │
│ QQuery 22 │  3185.61 ms │                                 3213.75 ms │    no change │
│ QQuery 23 │  9121.92 ms │                                 9283.07 ms │    no change │
│ QQuery 24 │    94.39 ms │                                   93.80 ms │    no change │
│ QQuery 25 │   349.46 ms │                                  349.68 ms │    no change │
│ QQuery 26 │    95.63 ms │                                   95.79 ms │    no change │
│ QQuery 27 │  1133.93 ms │                                 1122.49 ms │    no change │
│ QQuery 28 │  2760.62 ms │                                 2777.86 ms │    no change │
│ QQuery 29 │    38.94 ms │                                   38.62 ms │    no change │
│ QQuery 30 │   543.48 ms │                                  540.19 ms │    no change │
│ QQuery 31 │   538.83 ms │                                  535.52 ms │    no change │
│ QQuery 32 │   980.82 ms │                                 1023.87 ms │    no change │
│ QQuery 33 │ 12961.46 ms │                                13980.48 ms │ 1.08x slower │
│ QQuery 34 │ 13519.82 ms │                                13834.96 ms │    no change │
│ QQuery 35 │   299.37 ms │                                  289.42 ms │    no change │
│ QQuery 36 │   170.48 ms │                                  166.63 ms │    no change │
│ QQuery 37 │    95.47 ms │                                   96.41 ms │    no change │
│ QQuery 38 │    81.53 ms │                                   80.29 ms │    no change │
│ QQuery 39 │   398.05 ms │                                  389.04 ms │    no change │
│ QQuery 40 │    14.36 ms │                                   13.84 ms │    no change │
│ QQuery 41 │    13.70 ms │                                   13.11 ms │    no change │
│ QQuery 42 │    13.47 ms │                                   12.85 ms │    no change │
└───────────┴─────────────┴────────────────────────────────────────────┴──────────────┘
┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┳━━━━━━━━━━━━┓
┃ Benchmark Summary                                         ┃            ┃
┡━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━╇━━━━━━━━━━━━┩
│ Total Time (HEAD)                                         │ 71015.27ms │
│ Total Time (rich-T-kid_hash-join-dictionary-hash-reuse)   │ 73204.50ms │
│ Average Time (HEAD)                                       │  1651.52ms │
│ Average Time (rich-T-kid_hash-join-dictionary-hash-reuse) │  1702.43ms │
│ Queries Faster                                            │          0 │
│ Queries Slower                                            │          5 │
│ Queries with No Change                                    │         38 │
│ Queries with Failure                                      │          0 │
└───────────────────────────────────────────────────────────┴────────────┘

Distribution per query (min / mean ±stddev / max):

Comparing HEAD and rich-T-kid_hash-join-dictionary-hash-reuse
--------------------
Benchmark clickbench_partitioned.json
--------------------
┏━━━━━━━━━━━┳━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┳━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┳━━━━━━━━━━━━━━━┓
┃ Query     ┃                                      HEAD ┃ rich-T-kid_hash-join-dictionary-hash-reuse ┃        Change ┃
┡━━━━━━━━━━━╇━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━╇━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━╇━━━━━━━━━━━━━━━┩
│ QQuery 0  │              1.14 / 4.20 ±6.00 / 16.19 ms │               1.13 / 4.33 ±6.22 / 16.78 ms │     no change │
│ QQuery 1  │            10.96 / 11.15 ±0.13 / 11.34 ms │             11.19 / 11.40 ±0.19 / 11.76 ms │     no change │
│ QQuery 2  │            35.70 / 36.23 ±0.49 / 37.12 ms │             35.69 / 36.02 ±0.43 / 36.87 ms │     no change │
│ QQuery 3  │            31.19 / 31.91 ±0.55 / 32.61 ms │             31.50 / 32.01 ±0.46 / 32.79 ms │     no change │
│ QQuery 4  │         236.46 / 239.40 ±1.61 / 240.95 ms │          236.34 / 243.55 ±4.60 / 249.70 ms │     no change │
│ QQuery 5  │     1427.23 / 1471.61 ±33.63 / 1513.15 ms │      1508.77 / 1545.45 ±45.06 / 1629.20 ms │  1.05x slower │
│ QQuery 6  │               1.18 / 1.34 ±0.23 / 1.80 ms │                1.20 / 1.36 ±0.24 / 1.82 ms │     no change │
│ QQuery 7  │            11.95 / 12.05 ±0.08 / 12.15 ms │             12.42 / 12.77 ±0.25 / 13.20 ms │  1.06x slower │
│ QQuery 8  │         328.59 / 335.58 ±7.11 / 346.79 ms │          345.67 / 354.04 ±5.91 / 361.15 ms │  1.05x slower │
│ QQuery 9  │         468.68 / 480.09 ±9.40 / 495.87 ms │          502.35 / 508.50 ±6.55 / 518.32 ms │  1.06x slower │
│ QQuery 10 │         196.33 / 198.01 ±1.01 / 199.07 ms │          198.44 / 204.29 ±8.52 / 221.18 ms │     no change │
│ QQuery 11 │         207.73 / 208.82 ±0.75 / 209.99 ms │          210.08 / 211.49 ±1.07 / 213.23 ms │     no change │
│ QQuery 12 │     1456.26 / 1513.14 ±45.32 / 1577.02 ms │      1565.70 / 1621.38 ±41.87 / 1673.06 ms │  1.07x slower │
│ QQuery 13 │    1989.85 / 2290.91 ±343.02 / 2912.53 ms │     2077.49 / 2359.71 ±320.44 / 2953.07 ms │     no change │
│ QQuery 14 │     1622.09 / 1652.03 ±24.44 / 1680.98 ms │      1596.16 / 1671.95 ±45.46 / 1738.58 ms │     no change │
│ QQuery 15 │         293.72 / 299.27 ±7.27 / 313.55 ms │          296.73 / 303.56 ±7.50 / 317.56 ms │     no change │
│ QQuery 16 │     3624.85 / 3770.87 ±94.48 / 3886.99 ms │      3654.06 / 3781.39 ±81.24 / 3890.12 ms │     no change │
│ QQuery 17 │     3603.29 / 3760.24 ±98.94 / 3899.60 ms │      3655.78 / 3796.71 ±88.54 / 3905.87 ms │     no change │
│ QQuery 18 │    6633.79 / 7004.12 ±286.03 / 7326.37 ms │     6885.85 / 7087.87 ±173.80 / 7327.85 ms │     no change │
│ QQuery 19 │            26.50 / 30.91 ±5.34 / 40.04 ms │             26.98 / 27.47 ±0.41 / 28.16 ms │ +1.13x faster │
│ QQuery 20 │      1044.81 / 1060.46 ±9.77 / 1075.35 ms │      1042.29 / 1057.59 ±10.35 / 1069.01 ms │     no change │
│ QQuery 21 │      1351.62 / 1353.47 ±1.42 / 1355.28 ms │       1357.00 / 1373.26 ±9.89 / 1382.89 ms │     no change │
│ QQuery 22 │     3185.61 / 3216.89 ±23.28 / 3251.84 ms │      3213.75 / 3269.95 ±65.30 / 3394.11 ms │     no change │
│ QQuery 23 │    9121.92 / 9351.48 ±139.08 / 9557.18 ms │     9283.07 / 9463.04 ±169.64 / 9730.38 ms │     no change │
│ QQuery 24 │           94.39 / 96.63 ±2.05 / 100.17 ms │          93.80 / 144.17 ±96.04 / 336.21 ms │  1.49x slower │
│ QQuery 25 │         349.46 / 352.89 ±4.56 / 361.59 ms │          349.68 / 353.16 ±3.93 / 360.40 ms │     no change │
│ QQuery 26 │           95.63 / 98.20 ±1.71 / 100.11 ms │             95.79 / 96.76 ±0.69 / 97.68 ms │     no change │
│ QQuery 27 │     1133.93 / 1146.15 ±10.12 / 1161.87 ms │      1122.49 / 1138.32 ±14.25 / 1163.30 ms │     no change │
│ QQuery 28 │     2760.62 / 2797.39 ±34.37 / 2856.37 ms │      2777.86 / 2820.61 ±33.10 / 2854.84 ms │     no change │
│ QQuery 29 │           38.94 / 54.65 ±21.99 / 96.06 ms │           38.62 / 60.12 ±34.16 / 127.16 ms │  1.10x slower │
│ QQuery 30 │         543.48 / 548.72 ±6.30 / 561.05 ms │          540.19 / 546.02 ±7.35 / 560.39 ms │     no change │
│ QQuery 31 │        538.83 / 552.02 ±13.58 / 575.95 ms │         535.52 / 552.15 ±11.41 / 564.21 ms │     no change │
│ QQuery 32 │      980.82 / 1019.35 ±27.02 / 1059.23 ms │      1023.87 / 1082.47 ±50.53 / 1175.18 ms │  1.06x slower │
│ QQuery 33 │ 12961.46 / 13669.61 ±382.77 / 14043.53 ms │  13980.48 / 14294.67 ±321.36 / 14822.38 ms │     no change │
│ QQuery 34 │ 13519.82 / 13974.69 ±352.96 / 14586.77 ms │  13834.96 / 14174.75 ±267.84 / 14551.39 ms │     no change │
│ QQuery 35 │       299.37 / 359.26 ±103.40 / 565.85 ms │        289.42 / 368.22 ±122.15 / 610.33 ms │     no change │
│ QQuery 36 │        170.48 / 184.57 ±19.09 / 222.31 ms │         166.63 / 178.42 ±13.12 / 203.42 ms │     no change │
│ QQuery 37 │          95.47 / 100.57 ±7.10 / 114.36 ms │           96.41 / 103.95 ±8.15 / 116.57 ms │     no change │
│ QQuery 38 │            81.53 / 84.83 ±3.68 / 91.61 ms │             80.29 / 82.19 ±1.46 / 84.67 ms │     no change │
│ QQuery 39 │         398.05 / 409.31 ±7.25 / 418.94 ms │          389.04 / 399.10 ±6.99 / 409.29 ms │     no change │
│ QQuery 40 │            14.36 / 15.70 ±1.75 / 19.14 ms │             13.84 / 14.41 ±0.60 / 15.51 ms │ +1.09x faster │
│ QQuery 41 │            13.70 / 13.85 ±0.09 / 13.94 ms │             13.11 / 13.27 ±0.17 / 13.58 ms │     no change │
│ QQuery 42 │            13.47 / 13.62 ±0.13 / 13.81 ms │             12.85 / 15.64 ±3.88 / 23.00 ms │  1.15x slower │
└───────────┴───────────────────────────────────────────┴────────────────────────────────────────────┴───────────────┘
┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┳━━━━━━━━━━━━┓
┃ Benchmark Summary                                         ┃            ┃
┡━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━╇━━━━━━━━━━━━┩
│ Total Time (HEAD)                                         │ 73826.19ms │
│ Total Time (rich-T-kid_hash-join-dictionary-hash-reuse)   │ 75417.50ms │
│ Average Time (HEAD)                                       │  1716.89ms │
│ Average Time (rich-T-kid_hash-join-dictionary-hash-reuse) │  1753.90ms │
│ Queries Faster                                            │          2 │
│ Queries Slower                                            │          9 │
│ Queries with No Change                                    │         32 │
│ Queries with Failure                                      │          0 │
└───────────────────────────────────────────────────────────┴────────────┘

Memory Pool Peaks

Peak MemoryPool reservation per query — what DataFusion's accounting believes it reserved. Recorded only for benchmarks that write a results JSON (the dfbench suites, and the suites bench.sh runs through the Criterion SQL harness since #25644), and only under a memory limit: DATAFUSION_RUNTIME_MEMORY_LIMIT, or one the suite sets itself.

Base: 4ede5833f68dad5bc8169492dedc5749fcc4b8d5 | Changed: 8fccf69b78cfcddf53df0025958176ecdca556b5

clickbench_partitioned

Query	Base	Changed	Change
Query 0	0 B	0 B	0.0%
Query 1	104 B	104 B	+0.0%
Query 2	936 B	936 B	+0.0%
Query 3	312 B	312 B	+0.0%
Query 4	829.1 MiB	854.0 MiB	+3.0%
Query 5	1.4 GiB	1.4 GiB	+0.6%
Query 6	0 B	0 B	0.0%
Query 7	50.3 MiB	50.3 MiB	+0.2%
Query 8	925.5 MiB	947.6 MiB	+2.4%
Query 9	594.2 MiB	594.2 MiB	+0.0%
Query 10	72.4 MiB	73.9 MiB	+2.2%
Query 11	78.5 MiB	77.0 MiB	-1.9%
Query 12	1.6 GiB	1.6 GiB	-2.3%
Query 13	2.2 GiB	1.9 GiB	-15.1%
Query 14	1.9 GiB	1.9 GiB	-0.0%
Query 15	1.2 GiB	1.2 GiB	-1.5%
Query 16	3.5 GiB	3.4 GiB	-1.9%
Query 17	3.2 GiB	3.6 GiB	+12.1%
Query 18	7.2 GiB	7.3 GiB	+2.2%
Query 19	0 B	0 B	0.0%
Query 20	104 B	104 B	+0.0%
Query 21	1.4 MiB	1.3 MiB	-4.5%
Query 22	2.2 MiB	2.5 MiB	+12.6%
Query 23	12.7 MiB	10.1 MiB	-20.8%
Query 24	6.8 MiB	6.9 MiB	+0.8%
Query 25	8.1 MiB	8.1 MiB	-0.0%
Query 26	7.5 MiB	7.9 MiB	+5.6%
Query 27	2.3 MiB	2.5 MiB	+6.5%
Query 28	2.0 GiB	1.9 GiB	-8.6%
Query 29	624 B	624 B	+0.0%
Query 30	669.5 MiB	647.6 MiB	-3.3%
Query 31	1.5 GiB	1.5 GiB	-3.0%
Query 32	7.1 GiB	7.1 GiB	-0.1%
Query 33	12.3 GiB	12.7 GiB	+3.5%
Query 34	12.7 GiB	12.7 GiB	-0.2%
Query 35	659.1 MiB	668.8 MiB	+1.5%
Query 36	474.1 MiB	474.1 MiB	-0.0%
Query 37	8.1 MiB	8.1 MiB	+0.0%
Query 38	5.1 MiB	5.3 MiB	+3.7%
Query 39	450.8 MiB	450.8 MiB	+0.0%
Query 40	2.3 MiB	2.3 MiB	-3.0%
Query 41	3.1 MiB	3.1 MiB	-0.1%
Query 42	1.8 MiB	1.7 MiB	-5.5%

Pool accounting vs. process RSS

Max pool peak is the largest reservation any single query in the run reached; peak RSS covers the whole invocation, including data loading and allocator retention, and the two high-water marks need not coincide in time. The gap is therefore an upper bound on what the pool did not account for, not a measurement of it.

Benchmark	Side	Max pool peak	Peak RSS	Gap	RSS / pool
clickbench_partitioned	base (`4ede5833f68dad5bc8169492dedc5749fcc4b8d5`)	12.7 GiB	13.2 GiB	507.1 MiB	1.0×
clickbench_partitioned	changed (`8fccf69b78cfcddf53df0025958176ecdca556b5`)	12.7 GiB	13.2 GiB	451.6 MiB	1.0×

Resource Usage

clickbench_partitioned — base (merge-base)

Metric	Value
Wall time	370.1s
Peak memory	13.2 GiB
Avg memory	6.2 GiB
CPU user	3259.8s
CPU sys	195.0s
Peak spill	0 B

clickbench_partitioned — branch

Metric	Value
Wall time	380.1s
Peak memory	13.2 GiB
Avg memory	6.1 GiB
CPU user	3295.4s
CPU sys	202.0s
Peak spill	0 B

File an issue against this benchmark runner

Rich-T-kid · 2026-10-27T20:54:22Z

run benchmark clickbench_partitioned

env:
  DATAFUSION_RUNTIME_MEMORY_LIMIT: "32G"
  DATAFUSION_EXECUTION_PARQUET_ENABLE_RLE_TO_DICTIONARY: "true"
baseline:
  ref: "8fccf69b78cfcddf53df0025958176ecdca556b5"
changed:
  ref: "4ede5833f68dad5bc8169492dedc5749fcc4b8d5"

adriangbot · 2026-10-27T20:55:59Z

🤖 Benchmark running (GKE) | trigger
Instance: c4a-highmem-16 (12 vCPU / 65 GiB) | Linux bench-c6453301734-3970-g4f5z 6.12.105+ #1 SMP Sat Sep 19 07:55:25 UTC 2026 aarch64 GNU/Linux

CPU Details (lscpu)

Architecture:                            aarch64
CPU op-mode(s):                          64-bit
Byte Order:                              Little Endian
CPU(s):                                  16
On-line CPU(s) list:                     0-15
Vendor ID:                               ARM
Model name:                              Neoverse-V2
Model:                                   1
Thread(s) per core:                      1
Core(s) per cluster:                     16
Socket(s):                               -
Cluster(s):                              1
Stepping:                                r0p1
BogoMIPS:                                2000.00
Flags:                                   fp asimd evtstrm aes pmull sha1 sha2 crc32 atomics fphp asimdhp cpuid asimdrdm jscvt fcma lrcpc dcpop sha3 sm3 sm4 asimddp sha512 sve asimdfhm dit uscat ilrcpc flagm sb paca pacg dcpodp sve2 sveaes svepmull svebitperm svesha3 svesm4 flagm2 frint svei8mm svebf16 i8mm bf16 dgh rng bti
L1d cache:                               1 MiB (16 instances)
L1i cache:                               1 MiB (16 instances)
L2 cache:                                32 MiB (16 instances)
L3 cache:                                80 MiB (1 instance)
NUMA node(s):                            1
NUMA node0 CPU(s):                       0-15
Vulnerability Gather data sampling:      Not affected
Vulnerability Indirect target selection: Not affected
Vulnerability Itlb multihit:             Not affected
Vulnerability L1tf:                      Not affected
Vulnerability Mds:                       Not affected
Vulnerability Meltdown:                  Not affected
Vulnerability Mmio stale data:           Not affected
Vulnerability Reg file data sampling:    Not affected
Vulnerability Retbleed:                  Not affected
Vulnerability Spec rstack overflow:      Not affected
Vulnerability Spec store bypass:         Mitigation; Speculative Store Bypass disabled via prctl
Vulnerability Spectre v1:                Mitigation; __user pointer sanitization
Vulnerability Spectre v2:                Mitigation; CSV2, BHB
Vulnerability Srbds:                     Not affected
Vulnerability Tsa:                       Not affected
Vulnerability Tsx async abort:           Not affected
Vulnerability Vmscape:                   Not affected

Comparing 4ede583 (4ede583) to 8fccf69 diff

Run configuration

run benchmark clickbench_partitioned
env:
  DATAFUSION_EXECUTION_PARQUET_ENABLE_RLE_TO_DICTIONARY: "true"
  DATAFUSION_RUNTIME_MEMORY_LIMIT: "32G"
baseline:
  ref: "8fccf69b78cfcddf53df0025958176ecdca556b5"
changed:
  ref: "4ede5833f68dad5bc8169492dedc5749fcc4b8d5"

Results will be posted here when complete

File an issue against this benchmark runner

adriangbot · 2026-10-27T21:16:50Z

🤖 Benchmark completed (GKE) | trigger

Instance: c4a-highmem-16 (12 vCPU / 65 GiB)

Comparing 4ede583 (4ede583) to 8fccf69 diff

Run configuration

run benchmark clickbench_partitioned
env:
  DATAFUSION_EXECUTION_PARQUET_ENABLE_RLE_TO_DICTIONARY: "true"
  DATAFUSION_RUNTIME_MEMORY_LIMIT: "32G"
baseline:
  ref: "8fccf69b78cfcddf53df0025958176ecdca556b5"
changed:
  ref: "4ede5833f68dad5bc8169492dedc5749fcc4b8d5"

CPU Details (lscpu)

Architecture:                            aarch64
CPU op-mode(s):                          64-bit
Byte Order:                              Little Endian
CPU(s):                                  16
On-line CPU(s) list:                     0-15
Vendor ID:                               ARM
Model name:                              Neoverse-V2
Model:                                   1
Thread(s) per core:                      1
Core(s) per cluster:                     16
Socket(s):                               -
Cluster(s):                              1
Stepping:                                r0p1
BogoMIPS:                                2000.00
Flags:                                   fp asimd evtstrm aes pmull sha1 sha2 crc32 atomics fphp asimdhp cpuid asimdrdm jscvt fcma lrcpc dcpop sha3 sm3 sm4 asimddp sha512 sve asimdfhm dit uscat ilrcpc flagm sb paca pacg dcpodp sve2 sveaes svepmull svebitperm svesha3 svesm4 flagm2 frint svei8mm svebf16 i8mm bf16 dgh rng bti
L1d cache:                               1 MiB (16 instances)
L1i cache:                               1 MiB (16 instances)
L2 cache:                                32 MiB (16 instances)
L3 cache:                                80 MiB (1 instance)
NUMA node(s):                            1
NUMA node0 CPU(s):                       0-15
Vulnerability Gather data sampling:      Not affected
Vulnerability Indirect target selection: Not affected
Vulnerability Itlb multihit:             Not affected
Vulnerability L1tf:                      Not affected
Vulnerability Mds:                       Not affected
Vulnerability Meltdown:                  Not affected
Vulnerability Mmio stale data:           Not affected
Vulnerability Reg file data sampling:    Not affected
Vulnerability Retbleed:                  Not affected
Vulnerability Spec rstack overflow:      Not affected
Vulnerability Spec store bypass:         Mitigation; Speculative Store Bypass disabled via prctl
Vulnerability Spectre v1:                Mitigation; __user pointer sanitization
Vulnerability Spectre v2:                Mitigation; CSV2, BHB
Vulnerability Srbds:                     Not affected
Vulnerability Tsa:                       Not affected
Vulnerability Tsx async abort:           Not affected
Vulnerability Vmscape:                   Not affected

Details

Comparing HEAD and rich-T-kid_hash-join-dictionary-hash-reuse
--------------------
Benchmark clickbench_partitioned.json
--------------------
┏━━━━━━━━━━━┳━━━━━━━━━━━━━┳━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┳━━━━━━━━━━━━━━━┓
┃ Query     ┃        HEAD ┃ rich-T-kid_hash-join-dictionary-hash-reuse ┃        Change ┃
┡━━━━━━━━━━━╇━━━━━━━━━━━━━╇━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━╇━━━━━━━━━━━━━━━┩
│ QQuery 0  │     1.12 ms │                                    1.17 ms │     no change │
│ QQuery 1  │    10.87 ms │                                   11.24 ms │     no change │
│ QQuery 2  │    35.48 ms │                                   36.17 ms │     no change │
│ QQuery 3  │    31.15 ms │                                   32.01 ms │     no change │
│ QQuery 4  │   232.97 ms │                                  248.98 ms │  1.07x slower │
│ QQuery 5  │  1446.32 ms │                                 1560.60 ms │  1.08x slower │
│ QQuery 6  │     1.15 ms │                                    1.20 ms │     no change │
│ QQuery 7  │    12.11 ms │                                   12.46 ms │     no change │
│ QQuery 8  │   338.87 ms │                                  346.46 ms │     no change │
│ QQuery 9  │   475.00 ms │                                  492.39 ms │     no change │
│ QQuery 10 │   197.39 ms │                                  199.94 ms │     no change │
│ QQuery 11 │   209.72 ms │                                  212.41 ms │     no change │
│ QQuery 12 │  1508.10 ms │                                 1607.62 ms │  1.07x slower │
│ QQuery 13 │  2297.36 ms │                                 2176.97 ms │ +1.06x faster │
│ QQuery 14 │  1618.16 ms │                                 1730.98 ms │  1.07x slower │
│ QQuery 15 │   292.82 ms │                                  301.34 ms │     no change │
│ QQuery 16 │  3547.72 ms │                                 3825.58 ms │  1.08x slower │
│ QQuery 17 │  3592.16 ms │                                 3781.38 ms │  1.05x slower │
│ QQuery 18 │  6630.72 ms │                                 6878.68 ms │     no change │
│ QQuery 19 │    26.79 ms │                                   27.01 ms │     no change │
│ QQuery 20 │  1038.41 ms │                                 1051.86 ms │     no change │
│ QQuery 21 │  1343.95 ms │                                 1369.88 ms │     no change │
│ QQuery 22 │  3207.16 ms │                                 3215.95 ms │     no change │
│ QQuery 23 │  9165.97 ms │                                 9210.01 ms │     no change │
│ QQuery 24 │    94.57 ms │                                   94.25 ms │     no change │
│ QQuery 25 │   348.92 ms │                                  348.17 ms │     no change │
│ QQuery 26 │    95.17 ms │                                   96.26 ms │     no change │
│ QQuery 27 │  1142.98 ms │                                 1143.25 ms │     no change │
│ QQuery 28 │  2784.14 ms │                                 2763.55 ms │     no change │
│ QQuery 29 │    39.07 ms │                                   38.92 ms │     no change │
│ QQuery 30 │   546.17 ms │                                  541.22 ms │     no change │
│ QQuery 31 │   540.20 ms │                                  534.34 ms │     no change │
│ QQuery 32 │  1003.20 ms │                                 1063.95 ms │  1.06x slower │
│ QQuery 33 │ 13789.96 ms │                                13273.90 ms │     no change │
│ QQuery 34 │ 14147.14 ms │                                13855.75 ms │     no change │
│ QQuery 35 │   300.71 ms │                                  304.27 ms │     no change │
│ QQuery 36 │   175.75 ms │                                  180.60 ms │     no change │
│ QQuery 37 │    97.24 ms │                                   98.63 ms │     no change │
│ QQuery 38 │    82.13 ms │                                   81.10 ms │     no change │
│ QQuery 39 │   399.72 ms │                                  409.13 ms │     no change │
│ QQuery 40 │    14.33 ms │                                   14.55 ms │     no change │
│ QQuery 41 │    13.61 ms │                                   13.84 ms │     no change │
│ QQuery 42 │    13.13 ms │                                   13.64 ms │     no change │
└───────────┴─────────────┴────────────────────────────────────────────┴───────────────┘
┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┳━━━━━━━━━━━━┓
┃ Benchmark Summary                                         ┃            ┃
┡━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━╇━━━━━━━━━━━━┩
│ Total Time (HEAD)                                         │ 72889.62ms │
│ Total Time (rich-T-kid_hash-join-dictionary-hash-reuse)   │ 73201.60ms │
│ Average Time (HEAD)                                       │  1695.11ms │
│ Average Time (rich-T-kid_hash-join-dictionary-hash-reuse) │  1702.36ms │
│ Queries Faster                                            │          1 │
│ Queries Slower                                            │          7 │
│ Queries with No Change                                    │         35 │
│ Queries with Failure                                      │          0 │
└───────────────────────────────────────────────────────────┴────────────┘

Distribution per query (min / mean ±stddev / max):

Comparing HEAD and rich-T-kid_hash-join-dictionary-hash-reuse
--------------------
Benchmark clickbench_partitioned.json
--------------------
┏━━━━━━━━━━━┳━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┳━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┳━━━━━━━━━━━━━━━┓
┃ Query     ┃                                      HEAD ┃ rich-T-kid_hash-join-dictionary-hash-reuse ┃        Change ┃
┡━━━━━━━━━━━╇━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━╇━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━╇━━━━━━━━━━━━━━━┩
│ QQuery 0  │              1.12 / 4.21 ±6.01 / 16.23 ms │               1.17 / 4.30 ±6.11 / 16.52 ms │     no change │
│ QQuery 1  │            10.87 / 11.01 ±0.12 / 11.18 ms │             11.24 / 11.52 ±0.15 / 11.69 ms │     no change │
│ QQuery 2  │            35.48 / 35.85 ±0.29 / 36.35 ms │             36.17 / 36.91 ±0.93 / 38.68 ms │     no change │
│ QQuery 3  │            31.15 / 31.83 ±0.66 / 32.76 ms │             32.01 / 32.59 ±0.49 / 33.46 ms │     no change │
│ QQuery 4  │         232.97 / 238.23 ±4.03 / 242.95 ms │          248.98 / 253.11 ±2.65 / 256.84 ms │  1.06x slower │
│ QQuery 5  │     1446.32 / 1521.07 ±58.84 / 1613.07 ms │      1560.60 / 1585.75 ±37.86 / 1660.98 ms │     no change │
│ QQuery 6  │               1.15 / 1.31 ±0.23 / 1.76 ms │                1.20 / 1.35 ±0.23 / 1.80 ms │     no change │
│ QQuery 7  │            12.11 / 12.32 ±0.13 / 12.51 ms │             12.46 / 12.72 ±0.14 / 12.84 ms │     no change │
│ QQuery 8  │         338.87 / 343.96 ±4.82 / 352.07 ms │          346.46 / 351.97 ±4.75 / 359.44 ms │     no change │
│ QQuery 9  │         475.00 / 483.32 ±5.00 / 488.79 ms │          492.39 / 501.96 ±9.69 / 519.34 ms │     no change │
│ QQuery 10 │        197.39 / 204.93 ±12.09 / 229.05 ms │          199.94 / 203.01 ±2.94 / 208.29 ms │     no change │
│ QQuery 11 │         209.72 / 210.87 ±1.05 / 212.68 ms │          212.41 / 213.06 ±0.40 / 213.59 ms │     no change │
│ QQuery 12 │     1508.10 / 1550.55 ±29.71 / 1596.75 ms │      1607.62 / 1652.07 ±30.07 / 1696.43 ms │  1.07x slower │
│ QQuery 13 │     2297.36 / 2363.03 ±98.06 / 2555.37 ms │     2176.97 / 2588.09 ±333.55 / 3058.15 ms │  1.10x slower │
│ QQuery 14 │     1618.16 / 1688.17 ±36.22 / 1716.69 ms │      1730.98 / 1776.20 ±39.56 / 1829.66 ms │  1.05x slower │
│ QQuery 15 │         292.82 / 296.87 ±4.63 / 305.60 ms │         301.34 / 310.73 ±13.72 / 337.56 ms │     no change │
│ QQuery 16 │     3547.72 / 3717.16 ±97.80 / 3823.75 ms │     3825.58 / 3980.40 ±112.71 / 4154.90 ms │  1.07x slower │
│ QQuery 17 │    3592.16 / 3730.63 ±120.58 / 3952.91 ms │     3781.38 / 3948.09 ±109.43 / 4125.07 ms │  1.06x slower │
│ QQuery 18 │    6630.72 / 7054.38 ±338.02 / 7584.71 ms │     6878.68 / 7267.38 ±208.37 / 7422.13 ms │     no change │
│ QQuery 19 │            26.79 / 27.05 ±0.30 / 27.60 ms │            27.01 / 48.93 ±18.67 / 72.25 ms │  1.81x slower │
│ QQuery 20 │     1038.41 / 1052.66 ±18.02 / 1088.10 ms │      1051.86 / 1062.24 ±10.86 / 1077.76 ms │     no change │
│ QQuery 21 │     1343.95 / 1360.56 ±10.97 / 1377.43 ms │       1369.88 / 1378.39 ±7.21 / 1386.62 ms │     no change │
│ QQuery 22 │     3207.16 / 3243.89 ±26.04 / 3282.25 ms │      3215.95 / 3276.10 ±78.97 / 3432.22 ms │     no change │
│ QQuery 23 │    9165.97 / 9353.27 ±107.42 / 9470.10 ms │     9210.01 / 9319.24 ±112.33 / 9507.98 ms │     no change │
│ QQuery 24 │         94.57 / 121.46 ±34.30 / 178.55 ms │         94.25 / 176.42 ±157.67 / 491.74 ms │  1.45x slower │
│ QQuery 25 │        348.92 / 370.00 ±34.50 / 438.87 ms │          348.17 / 351.28 ±2.32 / 355.19 ms │ +1.05x faster │
│ QQuery 26 │            95.17 / 95.98 ±0.83 / 97.40 ms │             96.26 / 97.31 ±0.93 / 98.72 ms │     no change │
│ QQuery 27 │     1142.98 / 1157.89 ±21.30 / 1198.68 ms │      1143.25 / 1163.00 ±23.31 / 1207.64 ms │     no change │
│ QQuery 28 │     2784.14 / 2838.60 ±49.55 / 2899.16 ms │      2763.55 / 2819.93 ±30.69 / 2854.56 ms │     no change │
│ QQuery 29 │            39.07 / 43.25 ±6.17 / 55.20 ms │             38.92 / 39.13 ±0.25 / 39.59 ms │ +1.11x faster │
│ QQuery 30 │        546.17 / 554.88 ±10.55 / 574.82 ms │          541.22 / 549.13 ±5.66 / 558.65 ms │     no change │
│ QQuery 31 │        540.20 / 552.35 ±11.76 / 572.58 ms │         534.34 / 551.46 ±12.45 / 570.87 ms │     no change │
│ QQuery 32 │     1003.20 / 1057.20 ±33.32 / 1105.33 ms │     1063.95 / 1181.32 ±137.64 / 1381.79 ms │  1.12x slower │
│ QQuery 33 │ 13789.96 / 14456.19 ±498.69 / 15328.38 ms │  13273.90 / 13952.97 ±477.15 / 14496.04 ms │     no change │
│ QQuery 34 │ 14147.14 / 14874.63 ±621.92 / 15761.80 ms │  13855.75 / 14519.82 ±497.52 / 15302.29 ms │     no change │
│ QQuery 35 │        300.71 / 335.07 ±43.98 / 420.87 ms │         304.27 / 329.81 ±33.64 / 394.34 ms │     no change │
│ QQuery 36 │         175.75 / 190.98 ±9.54 / 203.07 ms │         180.60 / 191.06 ±11.28 / 211.26 ms │     no change │
│ QQuery 37 │          97.24 / 101.99 ±3.74 / 106.98 ms │           98.63 / 104.79 ±6.73 / 117.74 ms │     no change │
│ QQuery 38 │            82.13 / 85.79 ±2.52 / 88.40 ms │             81.10 / 85.41 ±4.60 / 92.61 ms │     no change │
│ QQuery 39 │        399.72 / 415.38 ±13.14 / 434.46 ms │          409.13 / 422.48 ±9.93 / 439.37 ms │     no change │
│ QQuery 40 │            14.33 / 15.13 ±0.69 / 16.36 ms │             14.55 / 16.65 ±3.92 / 24.48 ms │  1.10x slower │
│ QQuery 41 │            13.61 / 13.85 ±0.13 / 13.99 ms │             13.84 / 18.73 ±9.32 / 37.36 ms │  1.35x slower │
│ QQuery 42 │            13.13 / 13.29 ±0.17 / 13.60 ms │             13.64 / 13.69 ±0.03 / 13.73 ms │     no change │
└───────────┴───────────────────────────────────────────┴────────────────────────────────────────────┴───────────────┘
┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┳━━━━━━━━━━━━┓
┃ Benchmark Summary                                         ┃            ┃
┡━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━╇━━━━━━━━━━━━┩
│ Total Time (HEAD)                                         │ 75831.05ms │
│ Total Time (rich-T-kid_hash-join-dictionary-hash-reuse)   │ 76400.49ms │
│ Average Time (HEAD)                                       │  1763.51ms │
│ Average Time (rich-T-kid_hash-join-dictionary-hash-reuse) │  1776.76ms │
│ Queries Faster                                            │          2 │
│ Queries Slower                                            │         11 │
│ Queries with No Change                                    │         30 │
│ Queries with Failure                                      │          0 │
└───────────────────────────────────────────────────────────┴────────────┘

Memory Pool Peaks

Peak MemoryPool reservation per query — what DataFusion's accounting believes it reserved. Recorded only for benchmarks that write a results JSON (the dfbench suites, and the suites bench.sh runs through the Criterion SQL harness since #25644), and only under a memory limit: DATAFUSION_RUNTIME_MEMORY_LIMIT, or one the suite sets itself.

Base: 8fccf69b78cfcddf53df0025958176ecdca556b5 | Changed: 4ede5833f68dad5bc8169492dedc5749fcc4b8d5

clickbench_partitioned

Query	Base	Changed	Change
Query 0	0 B	0 B	0.0%
Query 1	104 B	104 B	+0.0%
Query 2	936 B	936 B	+0.0%
Query 3	312 B	312 B	+0.0%
Query 4	841.9 MiB	831.7 MiB	-1.2%
Query 5	1.4 GiB	1.4 GiB	+2.2%
Query 6	0 B	0 B	0.0%
Query 7	50.1 MiB	50.0 MiB	-0.1%
Query 8	929.7 MiB	969.3 MiB	+4.3%
Query 9	594.0 MiB	551.7 MiB	-7.1%
Query 10	72.2 MiB	71.0 MiB	-1.6%
Query 11	74.3 MiB	78.5 MiB	+5.6%
Query 12	1.6 GiB	1.6 GiB	-2.6%
Query 13	1.8 GiB	1.8 GiB	-0.5%
Query 14	1.9 GiB	1.9 GiB	+0.1%
Query 15	1.2 GiB	1.2 GiB	+1.7%
Query 16	3.4 GiB	3.4 GiB	-0.8%
Query 17	3.4 GiB	3.5 GiB	+1.1%
Query 18	7.2 GiB	7.7 GiB	+6.9%
Query 19	0 B	0 B	0.0%
Query 20	104 B	104 B	+0.0%
Query 21	1.3 MiB	1.3 MiB	-1.3%
Query 22	2.7 MiB	2.4 MiB	-12.6%
Query 23	10.4 MiB	13.0 MiB	+25.2%
Query 24	6.9 MiB	6.3 MiB	-8.1%
Query 25	8.1 MiB	8.1 MiB	-0.0%
Query 26	8.0 MiB	8.1 MiB	+1.3%
Query 27	2.5 MiB	2.6 MiB	+5.9%
Query 28	2.0 GiB	1.9 GiB	-1.6%
Query 29	624 B	624 B	+0.0%
Query 30	652.2 MiB	654.4 MiB	+0.3%
Query 31	1.5 GiB	1.5 GiB	-6.0%
Query 32	7.2 GiB	7.2 GiB	+0.1%
Query 33	12.3 GiB	12.3 GiB	+0.1%
Query 34	13.3 GiB	12.7 GiB	-4.4%
Query 35	669.4 MiB	664.8 MiB	-0.7%
Query 36	474.1 MiB	474.1 MiB	+0.0%
Query 37	8.1 MiB	8.1 MiB	-0.0%
Query 38	5.2 MiB	5.2 MiB	-0.7%
Query 39	450.8 MiB	450.8 MiB	+0.0%
Query 40	2.6 MiB	2.3 MiB	-9.0%
Query 41	3.1 MiB	3.1 MiB	+0.0%
Query 42	1.8 MiB	1.7 MiB	-5.5%

Pool accounting vs. process RSS

Max pool peak is the largest reservation any single query in the run reached; peak RSS covers the whole invocation, including data loading and allocator retention, and the two high-water marks need not coincide in time. The gap is therefore an upper bound on what the pool did not account for, not a measurement of it.

Benchmark	Side	Max pool peak	Peak RSS	Gap	RSS / pool
clickbench_partitioned	base (`8fccf69b78cfcddf53df0025958176ecdca556b5`)	13.3 GiB	12.5 GiB	−770.6 MiB	0.9×
clickbench_partitioned	changed (`4ede5833f68dad5bc8169492dedc5749fcc4b8d5`)	12.7 GiB	13.1 GiB	382.4 MiB	1.0×

Resource Usage

clickbench_partitioned — base (merge-base)

Metric	Value
Wall time	380.1s
Peak memory	12.5 GiB
Avg memory	5.9 GiB
CPU user	3307.9s
CPU sys	212.5s
Peak spill	0 B

clickbench_partitioned — branch

Metric	Value
Wall time	385.1s
Peak memory	13.1 GiB
Avg memory	6.0 GiB
CPU user	3319.6s
CPU sys	212.9s
Peak spill	0 B

File an issue against this benchmark runner

refactor: expose hash helpers for dictionary caching

4ede583

github-actions Bot added common Related to common crate physical-plan Changes to the physical-plan crate labels Oct 27, 2026

perf: reuse dictionary value hashes in hash joins

8fccf69

Rich-T-kid force-pushed the rich-T-kid/hash-join-dictionary-hash-reuse branch from 0917893 to 8fccf69 Compare October 27, 2026 20:01

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Rich-T-kid commented Oct 27, 2026 •

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