1
0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2025-03-03 14:32:16 +02:00
FFmpeg/libavutil
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>
2018-07-31 19:17:51 +08:00
..
2016-02-18 11:55:00 +01:00
2014-08-05 01:54:47 +02:00
2017-12-24 22:02:41 +01:00
2017-12-24 22:02:41 +01:00
2016-05-04 18:16:21 +02:00
2014-07-12 22:33:27 +02:00
2015-11-01 19:35:01 -05:00
2017-01-26 10:25:20 +01:00
2018-03-18 12:36:24 +01:00
2017-09-13 22:03:27 +01:00
2015-10-11 18:03:10 -04:00
2017-03-01 11:23:19 -05:00
2016-01-13 20:00:19 -05:00
2017-06-02 21:00:35 -04:00
2018-04-26 19:50:29 +02:00
2018-04-26 19:50:29 +02:00
2014-08-05 21:05:52 +02:00
2016-01-28 19:49:48 -08:00
2016-08-02 21:52:40 -07:00
2017-11-05 22:13:16 +01:00
2016-10-21 23:58:47 +02:00
2017-10-23 11:56:15 +02:00