Tag: Branch: Tree: a16bcc13d9

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Commit Graph

4 Commits (a16bcc13d9c9db484717c3c19980532fad11c2de)

Author	SHA1	Message	Date
James Almer	481741ece0	x86/pixelutils: don't use the AVX2 functions on CPUs known to be slow with them ... Signed-off-by: James Almer <jamrial@gmail.com>	6 years ago
Jun Zhao	d36b8394f4	avutil/pixelutils: sad_32x32 sse2/avx2 optimizations. ... add ff_pixelutils_sad_32x32_sse2, ff_pixelutils_sad_{a,u}_32x32_sse2, ff_pixelutils_sad_32x32_avx22, ff_pixelutils_sad_{a,u}_32x32_avx2 use perf record/report profiling, get instructions:u for avx2 sad_32x32: 72.05% pixelutils pixelutils [.] block_sad_32x32_c 18.50% pixelutils pixelutils [.] block_sad_16x16_c 4.78% pixelutils pixelutils [.] block_sad_8x8_c 2.69% pixelutils pixelutils [.] block_sad_4x4_c 0.89% pixelutils pixelutils [.] block_sad_2x2_c 0.16% pixelutils pixelutils [.] ff_pixelutils_sad_32x32_avx2 0.16% pixelutils pixelutils [.] ff_pixelutils_sad_u_32x32_avx2 0.12% pixelutils pixelutils [.] ff_pixelutils_sad_a_32x32_avx2 sse2 sad_32x32 instructions:u like: 71.86% pixelutils pixelutils [.] block_sad_32x32_c 18.42% pixelutils pixelutils [.] block_sad_16x16_c 4.81% pixelutils pixelutils [.] block_sad_8x8_c 2.68% pixelutils pixelutils [.] block_sad_4x4_c 0.88% pixelutils pixelutils [.] block_sad_2x2_c 0.29% pixelutils pixelutils [.] ff_pixelutils_sad_32x32_sse2 0.26% pixelutils pixelutils [.] ff_pixelutils_sad_u_32x32_sse2 0.23% pixelutils pixelutils [.] ff_pixelutils_sad_a_32x32_sse2 Signed-off-by: Jun Zhao <mypopydev@gmail.com>	6 years ago
Peter Cordes	9e5687adf2	pixelutils: Comment on (lack of) sad_8x8_sse2 ... Signed-off-by: Peter Cordes <peter@cordes.ca>	10 years ago
Clément Bœsch	28a2107a8d	avutil: add pixelutils API	10 years ago