refactor: clean up docs, core::fmt imports and VfsNode + Send + Sync

[mkroening]

Partly taken from #2172.

[github-actions]

Benchmark Results

Details

Benchmark	Current: b485e1c	Previous: af77eb8	Performance Ratio
startup_benchmark Build Time	95.09 s	96.76 s	0.98 ❗
startup_benchmark File Size	0.82 MB	0.82 MB	1.00 ❗
Startup Time - 1 core	0.95 s (±0.03 s)	0.93 s (±0.03 s)	1.03
Startup Time - 2 cores	0.94 s (±0.03 s)	0.93 s (±0.03 s)	1.00
Startup Time - 4 cores	0.95 s (±0.05 s)	0.95 s (±0.04 s)	1.01
multithreaded_benchmark Build Time	95.55 s	94.96 s	1.01 ❗
multithreaded_benchmark File Size	0.96 MB	0.96 MB	1.00 ❗
Multithreaded Pi Efficiency - 2 Threads	90.79 % (±8.16 %)	88.34 % (±8.83 %)	1.03
Multithreaded Pi Efficiency - 4 Threads	45.32 % (±2.46 %)	43.96 % (±2.87 %)	1.03
Multithreaded Pi Efficiency - 8 Threads	25.86 % (±1.25 %)	25.67 % (±1.88 %)	1.01
micro_benchmarks Build Time	106.33 s	107.03 s	0.99 ❗
micro_benchmarks File Size	0.97 MB	0.97 MB	1.00 ❗
Scheduling time - 1 thread	68.08 ticks (±4.38 ticks)	68.40 ticks (±2.80 ticks)	1.00
Scheduling time - 2 threads	37.85 ticks (±4.67 ticks)	36.75 ticks (±3.77 ticks)	1.03
Micro - Time for syscall (getpid)	3.66 ticks (±0.29 ticks)	3.72 ticks (±0.30 ticks)	0.98
Memcpy speed - (built_in) block size 4096	67140.63 MByte/s (±47883.79 MByte/s)	65936.06 MByte/s (±46962.77 MByte/s)	1.02
Memcpy speed - (built_in) block size 1048576	29920.58 MByte/s (±24644.24 MByte/s)	29711.39 MByte/s (±24468.80 MByte/s)	1.01
Memcpy speed - (built_in) block size 16777216	28778.94 MByte/s (±24017.26 MByte/s)	28572.31 MByte/s (±23801.85 MByte/s)	1.01
Memset speed - (built_in) block size 4096	67626.88 MByte/s (±48169.95 MByte/s)	66224.66 MByte/s (±47148.82 MByte/s)	1.02
Memset speed - (built_in) block size 1048576	30735.67 MByte/s (±25126.36 MByte/s)	30455.87 MByte/s (±24906.53 MByte/s)	1.01
Memset speed - (built_in) block size 16777216	29563.72 MByte/s (±24464.66 MByte/s)	29305.64 MByte/s (±24204.32 MByte/s)	1.01
Memcpy speed - (rust) block size 4096	61098.93 MByte/s (±44805.78 MByte/s)	59811.41 MByte/s (±43763.94 MByte/s)	1.02
Memcpy speed - (rust) block size 1048576	29809.36 MByte/s (±24608.08 MByte/s)	29629.02 MByte/s (±24504.10 MByte/s)	1.01
Memcpy speed - (rust) block size 16777216	28688.09 MByte/s (±23927.21 MByte/s)	28401.51 MByte/s (±23669.15 MByte/s)	1.01
Memset speed - (rust) block size 4096	62022.00 MByte/s (±45463.36 MByte/s)	60851.37 MByte/s (±44540.62 MByte/s)	1.02
Memset speed - (rust) block size 1048576	30595.62 MByte/s (±25054.52 MByte/s)	30426.48 MByte/s (±24959.19 MByte/s)	1.01
Memset speed - (rust) block size 16777216	29465.06 MByte/s (±24362.40 MByte/s)	29175.93 MByte/s (±24111.52 MByte/s)	1.01
alloc_benchmarks Build Time	103.75 s	102.72 s	1.01 ❗
alloc_benchmarks File Size	0.89 MB	0.89 MB	1.00 ❗
Allocations - Allocation success	100.00 %	100.00 %	1
Allocations - Deallocation success	100.00 %	100.00 %	1
Allocations - Pre-fail Allocations	100.00 %	100.00 %	1
Allocations - Average Allocation time	11343.31 Ticks (±209.25 Ticks)	8547.70 Ticks (±113.80 Ticks)	1.33 ❗
Allocations - Average Allocation time (no fail)	11343.31 Ticks (±209.25 Ticks)	8547.70 Ticks (±113.80 Ticks)	1.33 ❗
Allocations - Average Deallocation time	1197.84 Ticks (±1012.80 Ticks)	1117.79 Ticks (±513.75 Ticks)	1.07
mutex_benchmark Build Time	104.59 s	111.82 s	0.94 ❗
mutex_benchmark File Size	0.97 MB	0.97 MB	1.00 ❗
Mutex Stress Test Average Time per Iteration - 1 Threads	13.00 ns (±0.75 ns)	13.38 ns (±0.85 ns)	0.97
Mutex Stress Test Average Time per Iteration - 2 Threads	15.40 ns (±0.77 ns)	15.68 ns (±0.79 ns)	0.98

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