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fix: feature-gate remaining Uhyve code#2529

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mkroening merged 15 commits into
mainfrom
cfg-uhyve
Jul 8, 2026
Merged

fix: feature-gate remaining Uhyve code#2529
mkroening merged 15 commits into
mainfrom
cfg-uhyve

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@mkroening mkroening self-assigned this Jul 6, 2026

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Benchmark Results

Details
Benchmark Current: cda4266 Previous: 274120e Performance Ratio
startup_benchmark Build Time 81.98 s 84.35 s 0.97
startup_benchmark File Size 0.80 MB 0.79 MB 1.00
Startup Time - 1 core 0.73 s (±0.02 s) 0.77 s (±0.03 s) 0.96
Startup Time - 2 cores 0.74 s (±0.02 s) 0.75 s (±0.03 s) 0.98
Startup Time - 4 cores 0.75 s (±0.03 s) 0.76 s (±0.02 s) 0.99
multithreaded_benchmark Build Time 82.94 s 84.42 s 0.98
multithreaded_benchmark File Size 0.86 MB 0.90 MB 0.96
Multithreaded Pi Efficiency - 2 Threads 91.20 % (±5.66 %) 90.82 % (±6.42 %) 1.00
Multithreaded Pi Efficiency - 4 Threads 44.20 % (±2.43 %) 43.89 % (±3.46 %) 1.01
Multithreaded Pi Efficiency - 8 Threads 25.55 % (±1.37 %) 25.48 % (±1.20 %) 1.00
micro_benchmarks Build Time 75.78 s 77.88 s 0.97
micro_benchmarks File Size 0.86 MB 0.90 MB 0.96
Scheduling time - 1 thread 60.40 ticks (±2.99 ticks) 63.97 ticks (±1.84 ticks) 0.94
Scheduling time - 2 threads 34.32 ticks (±5.26 ticks) 35.41 ticks (±4.75 ticks) 0.97
Micro - Time for syscall (getpid) 3.26 ticks (±0.48 ticks) 4.34 ticks (±0.64 ticks) 0.75
Memcpy speed - (built_in) block size 4096 83818.86 MByte/s (±58063.17 MByte/s) 86522.47 MByte/s (±60219.67 MByte/s) 0.97
Memcpy speed - (built_in) block size 1048576 30893.82 MByte/s (±24789.69 MByte/s) 31241.67 MByte/s (±25237.59 MByte/s) 0.99
Memcpy speed - (built_in) block size 16777216 29478.60 MByte/s (±24226.26 MByte/s) 30005.84 MByte/s (±24779.13 MByte/s) 0.98
Memset speed - (built_in) block size 4096 84433.78 MByte/s (±58441.32 MByte/s) 86580.61 MByte/s (±60260.87 MByte/s) 0.98
Memset speed - (built_in) block size 1048576 31634.99 MByte/s (±25222.07 MByte/s) 31974.11 MByte/s (±25664.82 MByte/s) 0.99
Memset speed - (built_in) block size 16777216 30257.17 MByte/s (±24679.65 MByte/s) 30781.36 MByte/s (±25217.87 MByte/s) 0.98
Memcpy speed - (rust) block size 4096 76357.72 MByte/s (±53330.50 MByte/s) 77609.40 MByte/s (±54422.24 MByte/s) 0.98
Memcpy speed - (rust) block size 1048576 30475.51 MByte/s (±24623.81 MByte/s) 30933.46 MByte/s (±25130.96 MByte/s) 0.99
Memcpy speed - (rust) block size 16777216 29616.95 MByte/s (±24346.81 MByte/s) 30071.00 MByte/s (±24839.84 MByte/s) 0.98
Memset speed - (rust) block size 4096 76238.80 MByte/s (±53273.69 MByte/s) 78205.56 MByte/s (±54810.66 MByte/s) 0.97
Memset speed - (rust) block size 1048576 31223.33 MByte/s (±25065.04 MByte/s) 31688.70 MByte/s (±25566.33 MByte/s) 0.99
Memset speed - (rust) block size 16777216 30393.82 MByte/s (±24796.18 MByte/s) 30846.72 MByte/s (±25279.00 MByte/s) 0.99
alloc_benchmarks Build Time 74.65 s 76.71 s 0.97
alloc_benchmarks File Size 0.87 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 5040.32 Ticks (±97.45 Ticks) 5252.14 Ticks (±125.49 Ticks) 0.96
Allocations - Average Allocation time (no fail) 5843.24 Ticks (±113.36 Ticks) 6034.63 Ticks (±136.23 Ticks) 0.97
Allocations - Average Deallocation time 1630.12 Ticks (±236.56 Ticks) 1540.62 Ticks (±261.22 Ticks) 1.06
mutex_benchmark Build Time 74.64 s 76.45 s 0.98
mutex_benchmark File Size 0.86 MB 0.90 MB 0.96
Mutex Stress Test Average Time per Iteration - 1 Threads 12.00 ns (±0.28 ns) 12.14 ns (±0.35 ns) 0.99
Mutex Stress Test Average Time per Iteration - 2 Threads 39.64 ns (±2.57 ns) 41.48 ns (±2.26 ns) 0.96

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

@mkroening mkroening force-pushed the cfg-uhyve branch 6 times, most recently from b99d4b0 to 47ed6f1 Compare July 7, 2026 15:16
@mkroening mkroening force-pushed the cfg-uhyve branch 2 times, most recently from 44b313e to ce30e31 Compare July 7, 2026 17:33
@mkroening mkroening marked this pull request as ready for review July 8, 2026 10:01
@mkroening mkroening added this pull request to the merge queue Jul 8, 2026
Merged via the queue into main with commit 496a427 Jul 8, 2026
20 checks passed
@mkroening mkroening deleted the cfg-uhyve branch July 8, 2026 11:09
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