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

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mkroening wants to merge 5 commits into
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fdt
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feat: drop support for non-FDT boot info#2425
mkroening wants to merge 5 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: d4a4da1 Previous: e91d780 Performance Ratio
startup_benchmark Build Time 82.72 s 80.43 s 1.03
startup_benchmark File Size 0.77 MB 0.77 MB 0.99
Startup Time - 1 core 0.78 s (±0.04 s) 0.79 s (±0.03 s) 0.99
Startup Time - 2 cores 0.78 s (±0.03 s) 0.80 s (±0.03 s) 0.98
Startup Time - 4 cores 0.79 s (±0.02 s) 0.81 s (±0.03 s) 0.98
multithreaded_benchmark Build Time 82.65 s 84.09 s 0.98
multithreaded_benchmark File Size 0.83 MB 0.83 MB 1.00
Multithreaded Pi Efficiency - 2 Threads 89.49 % (±6.78 %) 91.17 % (±6.17 %) 0.98
Multithreaded Pi Efficiency - 4 Threads 43.86 % (±2.38 %) 45.38 % (±3.40 %) 0.97
Multithreaded Pi Efficiency - 8 Threads 25.31 % (±1.85 %) 26.20 % (±1.64 %) 0.97
micro_benchmarks Build Time 82.11 s 80.17 s 1.02
micro_benchmarks File Size 0.83 MB 0.83 MB 1.00
Scheduling time - 1 thread 68.33 ticks (±3.62 ticks) 67.58 ticks (±3.70 ticks) 1.01
Scheduling time - 2 threads 36.82 ticks (±3.38 ticks) 37.81 ticks (±5.18 ticks) 0.97
Micro - Time for syscall (getpid) 3.63 ticks (±0.66 ticks) 3.52 ticks (±0.63 ticks) 1.03
Memcpy speed - (built_in) block size 4096 80938.55 MByte/s (±56009.45 MByte/s) 80995.72 MByte/s (±56004.02 MByte/s) 1.00
Memcpy speed - (built_in) block size 1048576 30029.66 MByte/s (±24384.86 MByte/s) 29813.33 MByte/s (±24304.51 MByte/s) 1.01
Memcpy speed - (built_in) block size 16777216 25609.05 MByte/s (±21190.84 MByte/s) 25202.33 MByte/s (±20841.05 MByte/s) 1.02
Memset speed - (built_in) block size 4096 80743.31 MByte/s (±55870.72 MByte/s) 80981.75 MByte/s (±55993.28 MByte/s) 1.00
Memset speed - (built_in) block size 1048576 30810.58 MByte/s (±24874.55 MByte/s) 30553.27 MByte/s (±24726.57 MByte/s) 1.01
Memset speed - (built_in) block size 16777216 26339.74 MByte/s (±21651.41 MByte/s) 25922.43 MByte/s (±21300.42 MByte/s) 1.02
Memcpy speed - (rust) block size 4096 71376.24 MByte/s (±49853.24 MByte/s) 69856.81 MByte/s (±48566.66 MByte/s) 1.02
Memcpy speed - (rust) block size 1048576 29905.27 MByte/s (±24357.96 MByte/s) 29814.41 MByte/s (±24258.87 MByte/s) 1.00
Memcpy speed - (rust) block size 16777216 25970.08 MByte/s (±21483.52 MByte/s) 25509.88 MByte/s (±21204.16 MByte/s) 1.02
Memset speed - (rust) block size 4096 71810.63 MByte/s (±50182.05 MByte/s) 70268.70 MByte/s (±48837.70 MByte/s) 1.02
Memset speed - (rust) block size 1048576 30650.35 MByte/s (±24792.31 MByte/s) 30565.66 MByte/s (±24688.07 MByte/s) 1.00
Memset speed - (rust) block size 16777216 26735.00 MByte/s (±21977.40 MByte/s) 26274.61 MByte/s (±21694.52 MByte/s) 1.02
alloc_benchmarks Build Time 77.43 s 78.21 s 0.99
alloc_benchmarks File Size 0.85 MB 0.85 MB 0.99
Allocations - Allocation success 91.32 % 91.32 % 1
Allocations - Deallocation success 100.00 % 100.00 % 1
Allocations - Pre-fail Allocations 61.46 % 61.46 % 1
Allocations - Average Allocation time 3101.09 Ticks (±282.57 Ticks) 2335.49 Ticks (±501.89 Ticks) 1.33
Allocations - Average Allocation time (no fail) 4098.67 Ticks (±244.07 Ticks) 3394.79 Ticks (±433.76 Ticks) 1.21
Allocations - Average Deallocation time 1001.44 Ticks (±101.75 Ticks) 649.91 Ticks (±77.84 Ticks) 1.54
mutex_benchmark Build Time 76.89 s 79.82 s 0.96
mutex_benchmark File Size 0.83 MB 0.84 MB 1.00
Mutex Stress Test Average Time per Iteration - 1 Threads 12.46 ns (±0.57 ns) 12.58 ns (±0.57 ns) 0.99
Mutex Stress Test Average Time per Iteration - 2 Threads 44.14 ns (±3.61 ns) 43.14 ns (±2.61 ns) 1.02

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

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