Experiment: optimize compressor selection for scan time#8780
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CodSpeed HQ / CodSpeed Performance Analysis
succeeded
Jul 15, 2026 in 0s
Performance Gate Passed
⚠️ Unknown Walltime execution environment detected
Using the Walltime instrument on standard Hosted Runners will lead to inconsistent data.
For the most accurate results, we recommend using CodSpeed Macro Runners: bare-metal machines fine-tuned for performance measurement consistency.
✅ 1698 untouched benchmarks
🆕 21 new benchmarks
⏩ 9 skipped benchmarks1
Performance Changes
| Mode | Benchmark | BASE |
HEAD |
Efficiency | |
|---|---|---|---|---|---|
| 🆕 | Simulation | bitpacked_decode |
N/A | 2.6 ms | N/A |
| 🆕 | Simulation | bitpacked_eq_fill |
N/A | 2.4 ms | N/A |
| 🆕 | Simulation | bitpacked_filter_10pct |
N/A | 3.7 ms | N/A |
| 🆕 | Simulation | dict_decode |
N/A | 39.3 ms | N/A |
| 🆕 | Simulation | dict_eq |
N/A | 4.5 ms | N/A |
| 🆕 | Simulation | dict_like |
N/A | 62.4 ms | N/A |
| 🆕 | Simulation | fsst_decode |
N/A | 28.2 ms | N/A |
| 🆕 | Simulation | fsst_eq |
N/A | 4.3 ms | N/A |
| 🆕 | Simulation | fsst_like |
N/A | 16.4 ms | N/A |
| 🆕 | Simulation | run_bitpacked_decode |
N/A | 3.1 ms | N/A |
| 🆕 | Simulation | run_bitpacked_eq |
N/A | 1.9 ms | N/A |
| 🆕 | Simulation | run_bitpacked_filter_10pct |
N/A | 4.1 ms | N/A |
| 🆕 | Simulation | run_scan_cost_decode |
N/A | 6.4 ms | N/A |
| 🆕 | Simulation | run_scan_cost_eq |
N/A | 9.5 ms | N/A |
| 🆕 | Simulation | run_scan_cost_filter_10pct |
N/A | 5.1 ms | N/A |
| 🆕 | Simulation | runend_decode |
N/A | 4.3 ms | N/A |
| 🆕 | Simulation | runend_eq |
N/A | 1.6 ms | N/A |
| 🆕 | Simulation | runend_filter_10pct |
N/A | 5.2 ms | N/A |
| 🆕 | Simulation | sparse_decode |
N/A | 2.6 ms | N/A |
| 🆕 | Simulation | sparse_eq_fill |
N/A | 3.2 ms | N/A |
| ... | ... | ... | ... | ... | ... |
ℹ️ Only the first 20 benchmarks are displayed. Go to the app to view all benchmarks.
Comparing codex/cost-model-query-performance (521d01e) with ct/compressor-cost-model (cb878e4)
Footnotes
-
9 benchmarks were skipped, so the baseline results were used instead. If they were deleted from the codebase, click here and archive them to remove them from the performance reports. ↩
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