feat(riscv64) Support multiple mmio devices

[sbutz]

While there remove unsafe code to a minimum.

Will conflict with #2547.

[github-actions]

Benchmark Results

Details

Benchmark	Current: 0d3c76c	Previous: 2e23902	Performance Ratio
startup_benchmark Build Time	80.35 s	80.34 s	1.00 ❗
startup_benchmark File Size	0.76 MB	0.80 MB	0.96 ❗
Startup Time - 1 core	0.75 s (±0.04 s)	0.75 s (±0.02 s)	1.00
Startup Time - 2 cores	0.74 s (±0.02 s)	0.74 s (±0.02 s)	1.00
Startup Time - 4 cores	0.76 s (±0.02 s)	0.74 s (±0.02 s)	1.02
multithreaded_benchmark Build Time	81.17 s	82.11 s	0.99 ❗
multithreaded_benchmark File Size	0.87 MB	0.86 MB	1.02 ❗
Multithreaded Pi Efficiency - 2 Threads	89.07 % (±6.56 %)	85.89 % (±6.61 %)	1.04
Multithreaded Pi Efficiency - 4 Threads	43.82 % (±3.24 %)	43.43 % (±2.56 %)	1.01
Multithreaded Pi Efficiency - 8 Threads	25.67 % (±1.28 %)	25.76 % (±1.53 %)	1.00
micro_benchmarks Build Time	78.10 s	80.40 s	0.97 ❗
micro_benchmarks File Size	0.88 MB	0.86 MB	1.02 ❗
Scheduling time - 1 thread	65.29 ticks (±3.70 ticks)	62.65 ticks (±4.06 ticks)	1.04
Scheduling time - 2 threads	38.22 ticks (±6.47 ticks)	34.08 ticks (±4.10 ticks)	1.12
Micro - Time for syscall (getpid)	4.32 ticks (±0.83 ticks)	3.45 ticks (±0.58 ticks)	1.25
Memcpy speed - (built_in) block size 4096	84885.29 MByte/s (±58562.07 MByte/s)	82448.38 MByte/s (±56997.13 MByte/s)	1.03
Memcpy speed - (built_in) block size 1048576	30413.48 MByte/s (±24501.86 MByte/s)	30585.98 MByte/s (±24707.84 MByte/s)	0.99
Memcpy speed - (built_in) block size 16777216	27767.05 MByte/s (±22977.79 MByte/s)	26340.06 MByte/s (±21720.96 MByte/s)	1.05
Memset speed - (built_in) block size 4096	84885.55 MByte/s (±58562.21 MByte/s)	82292.76 MByte/s (±56891.50 MByte/s)	1.03
Memset speed - (built_in) block size 1048576	31135.01 MByte/s (±24927.20 MByte/s)	31323.85 MByte/s (±25145.86 MByte/s)	0.99
Memset speed - (built_in) block size 16777216	28483.33 MByte/s (±23384.55 MByte/s)	27104.68 MByte/s (±22209.94 MByte/s)	1.05
Memcpy speed - (rust) block size 4096	75108.25 MByte/s (±52523.11 MByte/s)	74097.96 MByte/s (±51811.44 MByte/s)	1.01
Memcpy speed - (rust) block size 1048576	30129.51 MByte/s (±24404.83 MByte/s)	30361.60 MByte/s (±24602.37 MByte/s)	0.99
Memcpy speed - (rust) block size 16777216	27615.98 MByte/s (±22823.84 MByte/s)	27625.34 MByte/s (±22806.88 MByte/s)	1.00
Memset speed - (rust) block size 4096	75619.61 MByte/s (±52886.65 MByte/s)	74373.47 MByte/s (±51976.48 MByte/s)	1.02
Memset speed - (rust) block size 1048576	30879.69 MByte/s (±24844.97 MByte/s)	31110.89 MByte/s (±25033.24 MByte/s)	0.99
Memset speed - (rust) block size 16777216	28352.92 MByte/s (±23261.22 MByte/s)	28386.93 MByte/s (±23265.03 MByte/s)	1.00
alloc_benchmarks Build Time	76.05 s	74.76 s	1.02 ❗
alloc_benchmarks File Size	0.84 MB	0.87 MB	0.96 ❗
Allocations - Allocation success	91.34 %	91.31 %	1.00 ❗
Allocations - Deallocation success	100.00 %	100.00 %	1
Allocations - Pre-fail Allocations	61.54 %	61.44 %	1.00 ❗
Allocations - Average Allocation time	2554.93 Ticks (±780.63 Ticks)	5860.58 Ticks (±98.43 Ticks)	0.44 ❗
Allocations - Average Allocation time (no fail)	3613.08 Ticks (±688.01 Ticks)	6554.81 Ticks (±92.86 Ticks)	0.55 ❗
Allocations - Average Deallocation time	694.86 Ticks (±125.73 Ticks)	1805.01 Ticks (±250.35 Ticks)	0.38 ❗
mutex_benchmark Build Time	80.98 s	79.82 s	1.01 ❗
mutex_benchmark File Size	0.88 MB	0.86 MB	1.02 ❗
Mutex Stress Test Average Time per Iteration - 1 Threads	12.10 ns (±0.36 ns)	12.10 ns (±0.41 ns)	1.00
Mutex Stress Test Average Time per Iteration - 2 Threads	40.70 ns (±1.93 ns)	40.26 ns (±1.68 ns)	1.01

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