Some experiments implementing vectorised algorithms on SSE2 and NEON intrinsics.
Implements a routine to calculate the distance (difference) between two 64-byte vectors (with benchmarking). Using C, SSE2 and NEON intrinsic instructions. Also, an implementation of crc32.
Performance (Milliseconds for 100,000,000 iterations):
| Host | Build | Test | Result | Time |
|---|---|---|---|---|
| x64 | X64 | distance C | pass | 258 |
| x64 | X64 | distance SSE | pass | 196 |
| x64 | X64 | distance AVX2 | pass | 170 |
| x64 | X64 | distance AVX512 | pass | 167 |
| x64 | X64 | crc32 C | pass | 5868 |
| x64 | X64 | crc32 SSE | pass | 1685 |
| ARM64 | X64 | distance C | pass | 606 |
| ARM64 | X64 | distance SSE | pass | 497 |
| ARM64 | X64 | crc32 C | pass | 11506 |
| ARM64 | X64 | crc32 SSE | pass | 1941 |
| ARM64 | ARM64 | distance C | pass | 391 |
| ARM64 | ARM64 | distance NEON | pass | 288 |
| ARM64 | ARM64 | crc32 C | pass | 9338 |
| ARM64 | ARM64 | crc32 NEON | pass | 1604 |