Change #254123
| Category | ffmpeg |
| Changed by | Andreas Rheinhardt <andreas.rheinhardt@outlook.com> |
| Changed at | Sun 04 Jan 2026 15:49:30 |
| Repository | https://git.ffmpeg.org/ffmpeg.git |
| Project | ffmpeg |
| Branch | master |
| Revision | dc03cffe9c9577127ef82b6f56118115f900e5f2 |
Comments
avutil/crc: Use x86 clmul for CRC when available Observed near 10x speedup on AMD Zen4 7950x: av_crc_c: 22057.0 ( 1.00x) av_crc_clmul: 2202.8 (10.01x) Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
Changed files
- libavutil/crc.c
- libavutil/x86/Makefile
- libavutil/x86/crc.asm
- libavutil/x86/crc.h