[FFmpeg-devel] [PATCH 1/6] avcodec/h264: mmx2, sse2, avx 10-bit h chroma deblock/loop filter
Carl Eugen Hoyos
ceffmpeg at gmail.com
Fri Dec 2 01:31:25 EET 2016
2016-12-01 17:57 GMT+01:00 James Darnley <jdarnley at obe.tv>:
> - mmx2: 2.44x faster (278 vs. 114 cycles)
> - sse2: 3.35x faster (278 vs. 83 cycles)
> - mmx2: 1.69x faster (169 vs. 100 cycles)
> - sse2: 2.34x faster (169 vs. 72 cycles)
Is it expected (or possible) that the speed impact is so
different for different Intel hardware?
> - avx: 2.32x faster (169 vs. 73 cycles)
Don't you agree that if this is true (I don't know if it is)
the patch should not be applied as is?
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