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| author | Ramiro Polla <ramiro.polla@gmail.com> | 2024-08-21 16:55:54 +0200 |
|---|---|---|
| committer | Ramiro Polla <ramiro.polla@gmail.com> | 2024-08-26 12:50:21 +0200 |
| commit | 3bfce2a10447abc3d72107fd9b86ab23c9e3a3ba (patch) | |
| tree | 096b1222a3879c97a5d8bb27afec4c3559b4ae75 /tests/ref | |
| parent | 9cdcbb639a9a02e1f388b2ff2ac97dfb3758d111 (diff) | |
| download | ffmpeg-3bfce2a10447abc3d72107fd9b86ab23c9e3a3ba.tar.gz | |
avcodec/x86/mpegvideoencdsp: speed up draw_edges_mmx by using memcpy()
The mmx memory copy code is not nearly as efficient as memcpy(), which
would make draw_edges_mmx much slower than draw_edges_8_c.
Intel(R) Core(TM) i5-5300U CPU @ 2.30GHz:
before after
draw_edges_8_1724_4_mmx: 8700.5 8751.8 ( 0.99x)
draw_edges_8_1724_8_mmx: 10441.7 10558.0 ( 0.99x)
draw_edges_8_1724_16_mmx: 10660.7 10799.5 ( 0.99x)
draw_edges_128_407_4_mmx: 4202.2 4099.3 ( 1.03x)
draw_edges_128_407_8_mmx: 4579.0 4511.3 ( 1.02x)
draw_edges_128_407_16_mmx: 5479.7 4729.5 ( 1.16x)
draw_edges_1080_31_4_mmx: 1546.7 658.0 ( 2.35x)
draw_edges_1080_31_8_mmx: 2745.5 1442.5 ( 1.90x)
draw_edges_1080_31_16_mmx: 12511.5 4901.0 ( 2.55x)
draw_edges_1920_4_4_mmx: 2659.0 705.0 ( 3.77x)
draw_edges_1920_4_4_negstride_mmx: 2643.0 729.0 ( 3.63x)
draw_edges_1920_4_8_mmx: 7845.0 2819.0 ( 2.78x)
draw_edges_1920_4_8_negstride_mmx: 7777.0 2747.3 ( 2.83x)
draw_edges_1920_4_16_mmx: 24583.7 6358.3 ( 3.87x)
draw_edges_1920_4_16_negstride_mmx: 24589.0 6367.0 ( 3.86x)
Diffstat (limited to 'tests/ref')
0 files changed, 0 insertions, 0 deletions