docs(aarch64/start): add SCTRL docs 8000 #1821
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Benchmark Results
This comment was automatically generated by github-action-benchmark.
General
| Benchmark | Current: ff116e0 | Previous: be0a653 | Performance Ratio |
|---|---|---|---|
| startup_benchmark Build Time | 67.29 s |
73.75 s |
0.91 |
| startup_benchmark File Size | 0.85 MB |
0.85 MB |
1 |
| Startup Time - 1 core | 0.91 s (±0.05 s) |
1.01 s (±0.02 s) |
0.90 |
| Startup Time - 2 cores | 0.91 s (±0.04 s) |
0.99 s (±0.03 s) |
0.92 |
| Startup Time - 4 cores | 0.92 s (±0.03 s) |
1.01 s (±0.04 s) |
0.91 |
| multithreaded_benchmark Build Time | 66.79 s |
73.77 s |
0.91 |
| multithreaded_benchmark File Size | 0.96 MB |
0.96 MB |
1 |
| Multithreaded Pi Efficiency - 2 Threads | 92.77 % (±4.32 %) |
93.09 % (±6.52 %) |
1.00 |
| Multithreaded Pi Efficiency - 4 Threads | 63.98 % (±6.13 %) |
64.83 % (±5.56 %) |
0.99 |
| Multithreaded Pi Efficiency - 8 Threads | 43.90 % (±3.94 %) |
45.19 % (±3.25 %) |
0.97 |
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Benchmark Results
This comment was automatically generated by github-action-benchmark.
Misc
| Benchmark | Current: ff116e0 | Previous: be0a653 | Performance Ratio |
|---|---|---|---|
| micro_benchmarks Build Time | 67.70 s |
70.42 s |
0.96 |
| micro_benchmarks File Size | 0.96 MB |
0.96 MB |
1.00 |
| Scheduling time - 1 thread | 61.46 ticks (±3.26 ticks) |
60.24 ticks (±3.06 ticks) |
1.02 |
| Scheduling time - 2 threads | 32.34 ticks (±1.82 ticks) |
31.86 ticks (±1.93 ticks) |
1.01 |
| Micro - Time for syscall (getpid) | 14.44 ticks (±1.36 ticks) |
14.90 ticks (±1.32 ticks) |
0.97 |
| Memcpy speed - (built_in) block size 4096 | 81927.39 MByte/s (±56645.87 MByte/s) |
81525.14 MByte/s (±56187.03 MByte/s) |
1.00 |
| Memcpy speed - (built_in) block size 1048576 | 42433.15 MByte/s (±29386.91 MByte/s) |
42926.86 MByte/s (±29715.31 MByte/s) |
0.99 |
| Memcpy speed - (built_in) block size 16777216 | 28652.97 MByte/s (±23622.30 MByte/s) |
28315.38 MByte/s (±23305.84 MByte/s) |
1.01 |
| Memset speed - (built_in) block size 4096 | 81305.63 MByte/s (±56161.05 MByte/s) |
81983.14 MByte/s (±56500.99 MByte/s) |
0.99 |
| Memset speed - (built_in) block size 1048576 | 42685.53 MByte/s (±29559.99 MByte/s) |
43135.37 MByte/s (±29857.76 MByte/s) |
0.99 |
| Memset speed - (built_in) block size 16777216 | 29432.90 MByte/s (±24083.28 MByte/s) |
29073.62 MByte/s (±23753.59 MByte/s) |
1.01 |
| Memcpy speed - (rust) block size 4096 | 73695.36 MByte/s (±51270.18 MByte/s) |
71810.42 MByte/s (±50069.06 MByte/s) |
1.03 |
| Memcpy speed - (rust) block size 1048576 | 42486.89 MByte/s (±29434.69 MByte/s) |
43009.84 MByte/s (±29784.76 MByte/s) |
0.99 |
| Memcpy speed - (rust) block size 16777216 | 28818.53 MByte/s (±23737.23 MByte/s) |
28887.29 MByte/s (±23767.73 MByte/s) |
1.00 |
| Memset speed - (rust) block size 4096 | 74146.17 MByte/s (±51599.39 MByte/s) |
72206.11 MByte/s (±50360.23 MByte/s) |
1.03 |
| Memset speed - (rust) block size 1048576 | 42759.01 MByte/s (±29615.61 MByte/s) |
43219.94 MByte/s (±29927.79 MByte/s) |
0.99 |
| Memset speed - (rust) block size 16777216 | 29599.19 MByte/s (±24197.36 MByte/s) |
29651.26 MByte/s (±24214.31 MByte/s) |
1.00 |
| alloc_benchmarks Build Time | 68.10 s |
65.53 s |
1.04 |
| alloc_benchmarks File Size | 0.92 MB |
0.92 MB |
1 |
| Allocations - Allocation success | 100.00 % |
100.00 % |
1 |
| Allocations - Deallocation success | 69.99 % (±0.31 %) |
69.94 % (±0.30 %) |
1.00 |
| Allocations - Pre-fail Allocations | 100.00 % |
100.00 % |
1 |
| Allocations - Average Allocation time | 13532.15 Ticks (±264.02 Ticks) |
13283.14 Ticks (±172.79 Ticks) |
1.02 |
| Allocations - Average Allocation time (no fail) | 13532.15 Ticks (±264.02 Ticks) |
13283.14 Ticks (±172.79 Ticks) |
1.02 |
| Allocations - Average Deallocation time | 858.35 Ticks (±131.94 Ticks) |
841.59 Ticks (±118.38 Ticks) |
1.02 |
| mutex_benchmark Build Time | 69.96 s |
65.60 s |
1.07 |
| mutex_benchmark File Size | 0.96 MB |
0.96 MB |
1.00 |
| Mutex Stress Test Average Time per Iteration - 1 Threads | 12.80 ns (±0.92 ns) |
12.62 ns (±0.91 ns) |
1.01 |
| Mutex Stress Test Average Time per Iteration - 2 Threads | 15.04 ns (±1.30 ns) |
15.36 ns (±6.61 ns) |
0.98 |
stlankes
approved these changes
Jul 8, 2025
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These were taken from https://github.com/hermit-os/libhermit/blob/b27b19458cce322fbeb37e9bccfb47df4888659b/arch/aarch64/kernel/entry.S#L204-L231.