fix(virtio): don't include optional fields in minimum size

[cagatay-y]

No description provided.

[github-actions]

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.

[mkroening]

Thanks! :)