socket: recv: use method from tcp library

[zyuiop]

I have this in my pile, and looking at the source code from smoltcp, it seems slightly different. Do we know if the current code is here for some kind of optimization? Copying seems a bit heavier than needed?

[github-actions]

Benchmark Results

Details

Benchmark	Current: dc2dc9c	Previous: a025f19	Performance Ratio
startup_benchmark Build Time	108.51 s	116.82 s	0.93 ❗
startup_benchmark File Size	0.77 MB	0.77 MB	1.00 ❗
Startup Time - 1 core	0.99 s (±0.04 s)	1.00 s (±0.03 s)	0.99
Startup Time - 2 cores	1.04 s (±0.06 s)	1.04 s (±0.05 s)	1.00
Startup Time - 4 cores	1.02 s (±0.03 s)	1.02 s (±0.05 s)	0.99
multithreaded_benchmark Build Time	107.39 s	117.48 s	0.91 ❗
multithreaded_benchmark File Size	0.84 MB	0.84 MB	1.00 ❗
Multithreaded Pi Efficiency - 2 Threads	90.97 % (±13.37 %)	85.06 % (±19.28 %)	1.07
Multithreaded Pi Efficiency - 4 Threads	44.77 % (±6.36 %)	42.20 % (±9.32 %)	1.06
Multithreaded Pi Efficiency - 8 Threads	24.25 % (±3.27 %)	23.57 % (±5.00 %)	1.03
micro_benchmarks Build Time	95.88 s	92.09 s	1.04 ❗
micro_benchmarks File Size	0.84 MB	0.84 MB	1.00 ❗
Scheduling time - 1 thread	71.68 ticks (±3.66 ticks)	73.19 ticks (±3.39 ticks)	0.98
Scheduling time - 2 threads	42.74 ticks (±6.84 ticks)	44.10 ticks (±6.54 ticks)	0.97
Micro - Time for syscall (getpid)	3.08 ticks (±0.25 ticks)	3.09 ticks (±0.16 ticks)	1.00
Memcpy speed - (built_in) block size 4096	74582.64 MByte/s (±51590.64 MByte/s)	73877.55 MByte/s (±50900.64 MByte/s)	1.01
Memcpy speed - (built_in) block size 1048576	29419.10 MByte/s (±24141.81 MByte/s)	29621.41 MByte/s (±24412.82 MByte/s)	0.99
Memcpy speed - (built_in) block size 16777216	23980.80 MByte/s (±19731.79 MByte/s)	26615.80 MByte/s (±21973.01 MByte/s)	0.90
Memset speed - (built_in) block size 4096	75049.98 MByte/s (±51934.09 MByte/s)	74082.46 MByte/s (±51039.25 MByte/s)	1.01
Memset speed - (built_in) block size 1048576	30185.46 MByte/s (±24582.65 MByte/s)	30381.08 MByte/s (±24836.90 MByte/s)	0.99
Memset speed - (built_in) block size 16777216	24732.45 MByte/s (±20247.72 MByte/s)	27365.04 MByte/s (±22427.19 MByte/s)	0.90
Memcpy speed - (rust) block size 4096	66318.28 MByte/s (±46260.87 MByte/s)	67998.13 MByte/s (±47775.53 MByte/s)	0.98
Memcpy speed - (rust) block size 1048576	29426.96 MByte/s (±24174.79 MByte/s)	29415.03 MByte/s (±24216.28 MByte/s)	1.00
Memcpy speed - (rust) block size 16777216	24373.79 MByte/s (±20163.77 MByte/s)	26645.15 MByte/s (±21980.78 MByte/s)	0.91
Memset speed - (rust) block size 4096	66765.83 MByte/s (±46547.50 MByte/s)	68410.01 MByte/s (±48051.67 MByte/s)	0.98
Memset speed - (rust) block size 1048576	30195.74 MByte/s (±24624.43 MByte/s)	30182.39 MByte/s (±24662.20 MByte/s)	1.00
Memset speed - (rust) block size 16777216	24996.29 MByte/s (±20531.79 MByte/s)	27320.66 MByte/s (±22364.88 MByte/s)	0.91
alloc_benchmarks Build Time	92.41 s	91.56 s	1.01 ❗
alloc_benchmarks File Size	0.85 MB	0.85 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	4561.29 Ticks (±647.10 Ticks)	4553.50 Ticks (±57.46 Ticks)	1.00
Allocations - Average Allocation time (no fail)	4561.29 Ticks (±647.10 Ticks)	4553.50 Ticks (±57.46 Ticks)	1.00
Allocations - Average Deallocation time	691.75 Ticks (±94.40 Ticks)	1035.15 Ticks (±129.57 Ticks)	0.67 ❗
mutex_benchmark Build Time	92.35 s	88.37 s	1.04 ❗
mutex_benchmark File Size	0.84 MB	0.84 MB	1.00 ❗
Mutex Stress Test Average Time per Iteration - 1 Threads	13.48 ns (±0.57 ns)	14.02 ns (±0.84 ns)	0.96
Mutex Stress Test Average Time per Iteration - 2 Threads	19.64 ns (±12.65 ns)	17.80 ns (±4.95 ns)	1.10

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