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build(deps): upgrade x86_64 to 0.16 - #2165

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@mkroening

@mkroening mkroening commented Jan 7, 2026 •

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This drops our page table printing code, which got upstreamed.

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@mkroening mkroening self-assigned this Jan 7, 2026
@mkroening mkroening changed the title refactor(x86_64/paging): migrate to upstream MappedPageTable::display build(deps): upgrade x86_64 to 0.16 Jan 16, 2026

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Benchmark Results

Details
Benchmark Current: 16c22c5 Previous: 2e23902 Performance Ratio
startup_benchmark Build Time 97.90 s 80.34 s 1.22 ❗
startup_benchmark File Size 0.80 MB 0.80 MB 1.00 ❗
Startup Time - 1 core 0.74 s (±0.03 s) 0.75 s (±0.02 s) 1.00
Startup Time - 2 cores 0.77 s (±0.03 s) 0.74 s (±0.02 s) 1.05 ❗
Startup Time - 4 cores 0.77 s (±0.02 s) 0.74 s (±0.02 s) 1.04 ❗
multithreaded_benchmark Build Time 95.67 s 82.11 s 1.17 ❗
multithreaded_benchmark File Size 0.89 MB 0.86 MB 1.04 ❗
Multithreaded Pi Efficiency - 2 Threads 85.52 % (±8.56 %) 85.89 % (±6.61 %) 1.00
Multithreaded Pi Efficiency - 4 Threads 42.49 % (±3.26 %) 43.43 % (±2.56 %) 0.98
Multithreaded Pi Efficiency - 8 Threads 24.80 % (±1.45 %) 25.76 % (±1.53 %) 0.96
micro_benchmarks Build Time 95.86 s 80.40 s 1.19 ❗
micro_benchmarks File Size 0.90 MB 0.86 MB 1.04 ❗
Scheduling time - 1 thread 70.49 ticks (±3.10 ticks) 62.65 ticks (±4.06 ticks) 1.13 ❗
Scheduling time - 2 threads 38.47 ticks (±3.93 ticks) 34.08 ticks (±4.10 ticks) 1.13
Micro - Time for syscall (getpid) 4.86 ticks (±0.82 ticks) 3.45 ticks (±0.58 ticks) 1.41 ❗
Memcpy speed - (built_in) block size 4096 76762.96 MByte/s (±53497.48 MByte/s) 82448.38 MByte/s (±56997.13 MByte/s) 0.93
Memcpy speed - (built_in) block size 1048576 29705.17 MByte/s (±24099.92 MByte/s) 30585.98 MByte/s (±24707.84 MByte/s) 0.97
Memcpy speed - (built_in) block size 16777216 25486.06 MByte/s (±21282.32 MByte/s) 26340.06 MByte/s (±21720.96 MByte/s) 0.97
Memset speed - (built_in) block size 4096 77260.06 MByte/s (±53852.42 MByte/s) 82292.76 MByte/s (±56891.50 MByte/s) 0.94
Memset speed - (built_in) block size 1048576 30424.04 MByte/s (±24523.67 MByte/s) 31323.85 MByte/s (±25145.86 MByte/s) 0.97
Memset speed - (built_in) block size 16777216 26216.34 MByte/s (±21736.65 MByte/s) 27104.68 MByte/s (±22209.94 MByte/s) 0.97
Memcpy speed - (rust) block size 4096 68535.12 MByte/s (±47880.58 MByte/s) 74097.96 MByte/s (±51811.44 MByte/s) 0.92
Memcpy speed - (rust) block size 1048576 29345.91 MByte/s (±23951.11 MByte/s) 30361.60 MByte/s (±24602.37 MByte/s) 0.97
Memcpy speed - (rust) block size 16777216 25786.32 MByte/s (±21426.95 MByte/s) 27625.34 MByte/s (±22806.88 MByte/s) 0.93
Memset speed - (rust) block size 4096 69154.06 MByte/s (±48253.79 MByte/s) 74373.47 MByte/s (±51976.48 MByte/s) 0.93
Memset speed - (rust) block size 1048576 30083.70 MByte/s (±24387.26 MByte/s) 31110.89 MByte/s (±25033.24 MByte/s) 0.97
Memset speed - (rust) block size 16777216 26539.08 MByte/s (±21900.01 MByte/s) 28386.93 MByte/s (±23265.03 MByte/s) 0.93
alloc_benchmarks Build Time 85.61 s 74.76 s 1.15 ❗
alloc_benchmarks File Size 0.88 MB 0.87 MB 1.00 ❗
Allocations - Allocation success 91.38 % 91.31 % 1.00 ❗
Allocations - Deallocation success 100.00 % 100.00 % 1
Allocations - Pre-fail Allocations 61.60 % 61.44 % 1.00 ❗
Allocations - Average Allocation time 2454.39 Ticks (±593.30 Ticks) 5860.58 Ticks (±98.43 Ticks) 0.42 ❗
Allocations - Average Allocation time (no fail) 3532.58 Ticks (±517.32 Ticks) 6554.81 Ticks (±92.86 Ticks) 0.54 ❗
Allocations - Average Deallocation time 682.07 Ticks (±144.10 Ticks) 1805.01 Ticks (±250.35 Ticks) 0.38 ❗
mutex_benchmark Build Time 98.14 s 79.82 s 1.23 ❗
mutex_benchmark File Size 0.90 MB 0.86 MB 1.04 ❗
Mutex Stress Test Average Time per Iteration - 1 Threads 13.16 ns (±0.46 ns) 12.10 ns (±0.41 ns) 1.09 ❗
Mutex Stress Test Average Time per Iteration - 2 Threads 88.98 ns (±3.19 ns) 40.26 ns (±1.68 ns) 2.21 ❗

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

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