fix(virtio): don't include optional fields in minimum size #1986
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mkroening
requested changes
Oct 16, 2025
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Benchmark Results
| Benchmark | Current: d365524 | Previous: e747b5a | Performance Ratio |
|---|---|---|---|
| startup_benchmark Build Time | 108.88 s |
114.77 s |
0.95 |
| startup_benchmark File Size | 0.89 MB |
0.89 MB |
1.00 |
| Startup Time - 1 core | 0.88 s (±0.04 s) |
0.92 s (±0.03 s) |
0.96 |
| Startup Time - 2 cores | 0.89 s (±0.04 s) |
0.90 s (±0.04 s) |
0.98 |
| Startup Time - 4 cores | 0.90 s (±0.04 s) |
0.91 s (±0.03 s) |
0.98 |
| multithreaded_benchmark Build Time | 108.34 s |
114.10 s |
0.95 |
| multithreaded_benchmark File Size | 1.00 MB |
1.00 MB |
1.00 |
| Multithreaded Pi Efficiency - 2 Threads | 88.54 % (±9.73 %) |
89.62 % (±6.95 %) |
0.99 |
| Multithreaded Pi Efficiency - 4 Threads | 43.57 % (±4.05 %) |
45.18 % (±3.88 %) |
0.96 |
| Multithreaded Pi Efficiency - 8 Threads | 25.66 % (±2.21 %) |
25.55 % (±1.65 %) |
1.00 |
| micro_benchmarks Build Time | 244.77 s |
231.77 s |
1.06 |
| micro_benchmarks File Size | 1.01 MB |
1.01 MB |
1.00 |
| Scheduling time - 1 thread | 122.37 ticks (±38.15 ticks) |
113.09 ticks (±35.98 ticks) |
1.08 |
| Scheduling time - 2 threads | 74.34 ticks (±17.23 ticks) |
70.15 ticks (±23.09 ticks) |
1.06 |
| Micro - Time for syscall (getpid) | 7.30 ticks (±3.25 ticks) |
6.31 ticks (±2.49 ticks) |
1.16 |
| Memcpy speed - (built_in) block size 4096 | 58858.54 MByte/s (±42501.41 MByte/s) |
60024.89 MByte/s (±42578.47 MByte/s) |
0.98 |
| Memcpy speed - (built_in) block size 1048576 | 21966.79 MByte/s (±19597.51 MByte/s) |
23888.20 MByte/s (±20500.48 MByte/s) |
0.92 |
| Memcpy speed - (built_in) block size 16777216 | 15418.62 MByte/s (±12894.86 MByte/s) |
13939.73 MByte/s (±11551.16 MByte/s) |
1.11 |
| Memset speed - (built_in) block size 4096 | 59423.96 MByte/s (±42987.14 MByte/s) |
60259.47 MByte/s (±42726.53 MByte/s) |
0.99 |
| Memset speed - (built_in) block size 1048576 | 22949.56 MByte/s (±20428.06 MByte/s) |
24990.35 MByte/s (±21422.35 MByte/s) |
0.92 |
| Memset speed - (built_in) block size 16777216 | 15914.65 MByte/s (±13235.01 MByte/s) |
14008.28 MByte/s (±11573.03 MByte/s) |
1.14 |
| Memcpy speed - (rust) block size 4096 | 52946.02 MByte/s (±38755.54 MByte/s) |
55064.94 MByte/s (±38976.39 MByte/s) |
0.96 |
| Memcpy speed - (rust) block size 1048576 | 20647.10 MByte/s (±18204.39 MByte/s) |
28247.94 MByte/s (±24357.11 MByte/s) |
0.73 |
| Memcpy speed - (rust) block size 16777216 | 14924.05 MByte/s (±12545.43 MByte/s) |
14239.45 MByte/s (±11877.65 MByte/s) |
1.05 |
| Memset speed - (rust) block size 4096 | 53963.88 MByte/s (±39587.40 MByte/s) |
55273.06 MByte/s (±39093.56 MByte/s) |
0.98 |
| Memset speed - (rust) block size 1048576 | 21000.01 MByte/s (±18364.87 MByte/s) |
29360.47 MByte/s (±25105.97 MByte/s) |
0.72 |
| Memset speed - (rust) block size 16777216 | 15398.54 MByte/s (±12871.92 MByte/s) |
14321.88 MByte/s (±11903.00 MByte/s) |
1.08 |
| alloc_benchmarks Build Time | 241.53 s |
215.99 s |
1.12 |
| alloc_benchmarks File Size | 0.96 MB |
0.96 MB |
1.00 |
| Allocations - Allocation success | 100.00 % |
100.00 % |
1 |
| Allocations - Deallocation success | 69.97 % (±0.28 %) |
70.04 % (±0.38 %) |
1.00 |
| Allocations - Pre-fail Allocations | 100.00 % |
100.00 % |
1 |
| Allocations - Average Allocation time | 10475.70 Ticks (±411.71 Ticks) |
18387.00 Ticks (±564.30 Ticks) |
0.57 |
| Allocations - Average Allocation time (no fail) | 10475.70 Ticks (±411.71 Ticks) |
18387.00 Ticks (±564.30 Ticks) |
0.57 |
| Allocations - Average Deallocation time | 1331.41 Ticks (±178.24 Ticks) |
1278.91 Ticks (±218.11 Ticks) |
1.04 |
| mutex_benchmark Build Time | 240.40 s |
225.69 s |
1.07 |
| mutex_benchmark File Size | 1.01 MB |
1.01 MB |
1.00 |
| Mutex Stress Test Average Time per Iteration - 1 Threads | 26.60 ns (±5.71 ns) |
21.70 ns (±3.91 ns) |
1.23 |
| Mutex Stress Test Average Time per Iteration - 2 Threads | 25.22 ns (±3.01 ns) |
22.60 ns (±3.10 ns) |
1.12 |
This comment was automatically generated by workflow using github-action-benchmark.
Co-authored-by: Martin Kröning <[email protected]>
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