on x86_64: time PSNR plain 3.303 inf SSE 1.649 107.087535 SSE3 1.632 107.087535 AVX 1.409 106.986771 FMA3 1.265 107.108437
on x86_32 (PSNR compared to x86_64 plain): time PSNR plain 7.225 103.951979 SSE 1.827 105.859282 SSE3 1.819 105.859282 AVX 1.533 105.997661 FMA3 1.384 105.885377
FMA4 test is not available
1e69ac9 avfilter/avf_showcqt: cqt_calc optimization on x86
libavfilter/avf_showcqt.c | 7 ++
libavfilter/avf_showcqt.h | 3 +
libavfilter/x86/Makefile | 2 +
libavfilter/x86/avf_showcqt.asm | 206 ++++++++++++++++++++++++++++++++++++
libavfilter/x86/avf_showcqt_init.c | 63 +++++++++++
5 files changed, 281 insertions(+)