revise mmap / munmap to be more combatible to POSIX

[stlankes]

No description provided.

[github-actions]

Benchmark Results

Benchmark	Current: 0c2a317	Previous: 083dacf	Performance Ratio
startup_benchmark Build Time	123.06 s	124.04 s	0.99
startup_benchmark File Size	0.91 MB	0.91 MB	1.00
Startup Time - 1 core	0.91 s (±0.02 s)	0.93 s (±0.02 s)	0.97
Startup Time - 2 cores	0.92 s (±0.01 s)	0.93 s (±0.02 s)	0.99
Startup Time - 4 cores	0.91 s (±0.02 s)	0.95 s (±0.02 s)	0.96
multithreaded_benchmark Build Time	124.05 s	122.53 s	1.01
multithreaded_benchmark File Size	0.97 MB	0.97 MB	1.00
Multithreaded Pi Efficiency - 2 Threads	3.23 % (±15.49 %)	2.99 % (±14.36 %)	1.08
Multithreaded Pi Efficiency - 4 Threads	1.79 % (±8.60 %)	1.79 % (±8.58 %)	1.00
Multithreaded Pi Efficiency - 8 Threads	0.90 % (±4.32 %)	0.86 % (±4.12 %)	1.05
micro_benchmarks Build Time	120.42 s	120.73 s	1.00
micro_benchmarks File Size	0.97 MB	0.97 MB	1.00
Scheduling time - 1 thread	2.81 ticks (±13.48 ticks)	2.49 ticks (±11.93 ticks)	1.13
Scheduling time - 2 threads	1.60 ticks (±7.67 ticks)	1.36 ticks (±6.51 ticks)	1.18
Micro - Time for syscall (getpid)	0.11 ticks (±0.51 ticks)	0.13 ticks (±0.60 ticks)	0.85
Memcpy speed - (built_in) block size 4096	1795.98 MByte/s (±8620.69 MByte/s)	1250.00 MByte/s (±6000.00 MByte/s)	1.44
Memcpy speed - (built_in) block size 1048576	745.00 MByte/s (±3576.02 MByte/s)	844.45 MByte/s (±4053.37 MByte/s)	0.88
Memcpy speed - (built_in) block size 16777216	222.24 MByte/s (±1066.75 MByte/s)	220.90 MByte/s (±1060.32 MByte/s)	1.01
Memset speed - (built_in) block size 4096	1600.00 MByte/s (±7680.00 MByte/s)	1818.18 MByte/s (±8727.27 MByte/s)	0.88
Memset speed - (built_in) block size 1048576	986.22 MByte/s (±4733.84 MByte/s)	995.72 MByte/s (±4779.45 MByte/s)	0.99
Memset speed - (built_in) block size 16777216	951.84 MByte/s (±4568.82 MByte/s)	918.43 MByte/s (±4408.46 MByte/s)	1.04
Memcpy speed - (rust) block size 4096	1411.76 MByte/s (±6776.47 MByte/s)	1176.47 MByte/s (±5647.06 MByte/s)	1.20
Memcpy speed - (rust) block size 1048576	773.66 MByte/s (±3713.59 MByte/s)	768.98 MByte/s (±3691.10 MByte/s)	1.01
Memcpy speed - (rust) block size 16777216	226.26 MByte/s (±1086.06 MByte/s)	218.60 MByte/s (±1049.28 MByte/s)	1.04
Memset speed - (rust) block size 4096	1846.15 MByte/s (±8861.54 MByte/s)	1538.46 MByte/s (±7384.62 MByte/s)	1.20
Memset speed - (rust) block size 1048576	1058.37 MByte/s (±5080.17 MByte/s)	1011.15 MByte/s (±4853.51 MByte/s)	1.05
Memset speed - (rust) block size 16777216	943.67 MByte/s (±4529.63 MByte/s)	913.73 MByte/s (±4385.90 MByte/s)	1.03
alloc_benchmarks Build Time	118.61 s	117.69 s	1.01
alloc_benchmarks File Size	0.98 MB	0.98 MB	1.00
Allocations - Allocation success	2.00 % (±13.86 %)	2.00 % (±13.86 %)	1
Allocations - Deallocation success	1.40 % (±9.72 %)	1.40 % (±9.67 %)	1.01
Allocations - Pre-fail Allocations	2.00 % (±13.86 %)	2.00 % (±13.86 %)	1
Allocations - Average Allocation time	227.92 Ticks (±1579.41 Ticks)	232.75 Ticks (±1612.89 Ticks)	0.98
Allocations - Average Allocation time (no fail)	227.92 Ticks (±1579.41 Ticks)	232.75 Ticks (±1612.89 Ticks)	0.98
Allocations - Average Deallocation time	15.67 Ticks (±108.58 Ticks)	15.72 Ticks (±108.93 Ticks)	1.00
mutex_benchmark Build Time	121.20 s	120.56 s	1.01
mutex_benchmark File Size	0.97 MB	0.97 MB	1.00
Mutex Stress Test Average Time per Iteration - 1 Threads	0.28 ns (±1.94 ns)	0.26 ns (±1.80 ns)	1.08
Mutex Stress Test Average Time per Iteration - 2 Threads	0.34 ns (±2.36 ns)	0.30 ns (±2.08 ns)	1.13

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