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

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mkroening wants to merge 10 commits into
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fdt
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feat: drop support for non-FDT boot info#2425
mkroening wants to merge 10 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: 359e878 Previous: 5418d7f Performance Ratio
startup_benchmark Build Time 78.72 s 82.04 s 0.96
startup_benchmark File Size 0.80 MB 0.79 MB 1.00
Startup Time - 1 core 0.75 s (±0.03 s) 0.75 s (±0.02 s) 1.00
Startup Time - 2 cores 0.77 s (±0.02 s) 0.75 s (±0.02 s) 1.03
Startup Time - 4 cores 0.76 s (±0.02 s) 0.75 s (±0.02 s) 1.02
multithreaded_benchmark Build Time 81.40 s 81.34 s 1.00
multithreaded_benchmark File Size 0.89 MB 0.89 MB 1.00
Multithreaded Pi Efficiency - 2 Threads 90.04 % (±6.50 %) 91.45 % (±5.50 %) 0.98
Multithreaded Pi Efficiency - 4 Threads 44.44 % (±2.35 %) 44.44 % (±2.48 %) 1.00
Multithreaded Pi Efficiency - 8 Threads 26.03 % (±1.53 %) 25.84 % (±1.54 %) 1.01
micro_benchmarks Build Time 77.00 s 82.74 s 0.93
micro_benchmarks File Size 0.89 MB 0.89 MB 1.00
Scheduling time - 1 thread 65.59 ticks (±2.47 ticks) 65.62 ticks (±2.19 ticks) 1.00
Scheduling time - 2 threads 38.05 ticks (±5.30 ticks) 37.31 ticks (±4.83 ticks) 1.02
Micro - Time for syscall (getpid) 3.31 ticks (±0.64 ticks) 4.12 ticks (±0.66 ticks) 0.80
Memcpy speed - (built_in) block size 4096 84893.49 MByte/s (±58772.62 MByte/s) 84171.12 MByte/s (±58054.92 MByte/s) 1.01
Memcpy speed - (built_in) block size 1048576 30625.54 MByte/s (±24667.06 MByte/s) 30589.25 MByte/s (±24645.95 MByte/s) 1.00
Memcpy speed - (built_in) block size 16777216 29472.66 MByte/s (±24243.12 MByte/s) 27012.74 MByte/s (±22371.13 MByte/s) 1.09
Memset speed - (built_in) block size 4096 84726.34 MByte/s (±58677.04 MByte/s) 83996.77 MByte/s (±57936.60 MByte/s) 1.01
Memset speed - (built_in) block size 1048576 31361.52 MByte/s (±25099.30 MByte/s) 31331.66 MByte/s (±25069.86 MByte/s) 1.00
Memset speed - (built_in) block size 16777216 30242.19 MByte/s (±24686.55 MByte/s) 27787.95 MByte/s (±22856.39 MByte/s) 1.09
Memcpy speed - (rust) block size 4096 76101.69 MByte/s (±53020.71 MByte/s) 74799.24 MByte/s (±52006.82 MByte/s) 1.02
Memcpy speed - (rust) block size 1048576 30308.66 MByte/s (±24487.92 MByte/s) 30205.82 MByte/s (±24476.56 MByte/s) 1.00
Memcpy speed - (rust) block size 16777216 29504.82 MByte/s (±24289.01 MByte/s) 27017.02 MByte/s (±22323.61 MByte/s) 1.09
Memset speed - (rust) block size 4096 76559.14 MByte/s (±53284.94 MByte/s) 75368.80 MByte/s (±52399.93 MByte/s) 1.02
Memset speed - (rust) block size 1048576 31054.44 MByte/s (±24917.80 MByte/s) 30946.09 MByte/s (±24907.80 MByte/s) 1.00
Memset speed - (rust) block size 16777216 30275.25 MByte/s (±24730.12 MByte/s) 27793.68 MByte/s (±22811.45 MByte/s) 1.09
alloc_benchmarks Build Time 76.37 s 75.27 s 1.01
alloc_benchmarks File Size 0.88 MB 0.87 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 2890.53 Ticks (±699.84 Ticks) 2945.48 Ticks (±676.59 Ticks) 0.98
Allocations - Average Allocation time (no fail) 3901.58 Ticks (±635.49 Ticks) 3947.79 Ticks (±601.45 Ticks) 0.99
Allocations - Average Deallocation time 903.68 Ticks (±158.35 Ticks) 974.73 Ticks (±177.82 Ticks) 0.93
mutex_benchmark Build Time 81.18 s 80.02 s 1.01
mutex_benchmark File Size 0.90 MB 0.90 MB 1.00
Mutex Stress Test Average Time per Iteration - 1 Threads 12.26 ns (±0.48 ns) 12.20 ns (±0.49 ns) 1.00
Mutex Stress Test Average Time per Iteration - 2 Threads 41.84 ns (±2.88 ns) 41.28 ns (±2.56 ns) 1.01

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

@mkroening mkroening marked this pull request as ready for review July 2, 2026 07:50
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