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feat: drop support for non-FDT boot info#2425

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mkroening wants to merge 3 commits into
mainfrom
fdt
Open

feat: drop support for non-FDT boot info#2425
mkroening wants to merge 3 commits into
mainfrom
fdt

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@mkroening mkroening self-assigned this May 10, 2026
@mkroening mkroening force-pushed the fdt branch 2 times, most recently from 9bb1ad2 to c92e6f7 Compare May 10, 2026 17:25

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Benchmark Results

Details
Benchmark Current: 6bc62c9 Previous: badd4c4 Performance Ratio
startup_benchmark Build Time 83.41 s 81.10 s 1.03
startup_benchmark File Size 0.80 MB 0.80 MB 1.00
Startup Time - 1 core 0.74 s (±0.03 s) 0.76 s (±0.03 s) 0.97
Startup Time - 2 cores 0.75 s (±0.03 s) 0.77 s (±0.02 s) 0.98
Startup Time - 4 cores 0.77 s (±0.02 s) 0.77 s (±0.02 s) 1.00
multithreaded_benchmark Build Time 78.92 s 83.97 s 0.94
multithreaded_benchmark File Size 0.89 MB 0.90 MB 1.00
Multithreaded Pi Efficiency - 2 Threads 88.03 % (±6.60 %) 89.33 % (±7.36 %) 0.99
Multithreaded Pi Efficiency - 4 Threads 44.33 % (±2.59 %) 43.68 % (±2.83 %) 1.01
Multithreaded Pi Efficiency - 8 Threads 25.80 % (±0.82 %) 25.39 % (±2.06 %) 1.02
micro_benchmarks Build Time 76.84 s 82.38 s 0.93
micro_benchmarks File Size 0.90 MB 0.90 MB 1.00
Scheduling time - 1 thread 65.41 ticks (±2.63 ticks) 67.71 ticks (±4.24 ticks) 0.97
Scheduling time - 2 threads 38.47 ticks (±5.72 ticks) 38.11 ticks (±5.12 ticks) 1.01
Micro - Time for syscall (getpid) 3.27 ticks (±0.65 ticks) 4.23 ticks (±0.74 ticks) 0.77
Memcpy speed - (built_in) block size 4096 86798.17 MByte/s (±59863.84 MByte/s) 79468.16 MByte/s (±55116.80 MByte/s) 1.09
Memcpy speed - (built_in) block size 1048576 30471.11 MByte/s (±24637.80 MByte/s) 30161.95 MByte/s (±24453.66 MByte/s) 1.01
Memcpy speed - (built_in) block size 16777216 29431.52 MByte/s (±24217.78 MByte/s) 26353.33 MByte/s (±21799.52 MByte/s) 1.12
Memset speed - (built_in) block size 4096 86581.88 MByte/s (±59717.95 MByte/s) 79293.80 MByte/s (±54991.57 MByte/s) 1.09
Memset speed - (built_in) block size 1048576 31215.29 MByte/s (±25075.36 MByte/s) 30914.27 MByte/s (±24888.27 MByte/s) 1.01
Memset speed - (built_in) block size 16777216 30164.95 MByte/s (±24627.52 MByte/s) 27104.01 MByte/s (±22268.97 MByte/s) 1.11
Memcpy speed - (rust) block size 4096 74173.55 MByte/s (±51792.72 MByte/s) 75054.08 MByte/s (±52569.58 MByte/s) 0.99
Memcpy speed - (rust) block size 1048576 30412.17 MByte/s (±24636.65 MByte/s) 30128.07 MByte/s (±24471.52 MByte/s) 1.01
Memcpy speed - (rust) block size 16777216 29497.06 MByte/s (±24257.17 MByte/s) 26810.93 MByte/s (±22268.16 MByte/s) 1.10
Memset speed - (rust) block size 4096 74567.07 MByte/s (±52088.06 MByte/s) 76095.53 MByte/s (±53191.49 MByte/s) 0.98
Memset speed - (rust) block size 1048576 31173.65 MByte/s (±25094.12 MByte/s) 30853.29 MByte/s (±24883.30 MByte/s) 1.01
Memset speed - (rust) block size 16777216 30271.26 MByte/s (±24710.03 MByte/s) 27563.43 MByte/s (±22730.99 MByte/s) 1.10
alloc_benchmarks Build Time 76.09 s 76.59 s 0.99
alloc_benchmarks File Size 0.88 MB 0.88 MB 1.00
Allocations - Allocation success 91.31 % 91.31 % 1
Allocations - Deallocation success 100.00 % 100.00 % 1
Allocations - Pre-fail Allocations 61.44 % 61.44 % 1
Allocations - Average Allocation time 5106.18 Ticks (±77.52 Ticks) 3943.99 Ticks (±137.69 Ticks) 1.29
Allocations - Average Allocation time (no fail) 5911.49 Ticks (±84.75 Ticks) 4914.38 Ticks (±99.02 Ticks) 1.20
Allocations - Average Deallocation time 1638.47 Ticks (±269.42 Ticks) 1615.85 Ticks (±252.34 Ticks) 1.01
mutex_benchmark Build Time 76.79 s 79.65 s 0.96
mutex_benchmark File Size 0.90 MB 0.90 MB 1.00
Mutex Stress Test Average Time per Iteration - 1 Threads 12.10 ns (±0.30 ns) 12.20 ns (±0.45 ns) 0.99
Mutex Stress Test Average Time per Iteration - 2 Threads 40.32 ns (±2.25 ns) 41.90 ns (±2.35 ns) 0.96

This comment was automatically generated by workflow using github-action-benchmark.

@mkroening mkroening force-pushed the fdt branch 2 times, most recently from 60ac049 to 6bc62c9 Compare July 3, 2026 17:31
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