2f77ecc6bc
Benched on K230 for VLEN 128, SpaceMIT for VLEN 256. Variants for 4
width have no speedup for VLEN 256 vs VLEN 128 on available hardware,
so were disabled.
C RVV128 C RVV256
avg_h264_qpel_4_mc00_8 33.9 33.6 (1.01x)
avg_h264_qpel_4_mc01_8 218.8 89.1 (2.46x)
avg_h264_qpel_4_mc02_8 218.8 79.8 (2.74x)
avg_h264_qpel_4_mc03_8 218.8 89.1 (2.46x)
avg_h264_qpel_4_mc10_8 172.3 126.1 (1.37x)
avg_h264_qpel_4_mc11_8 339.1 190.8 (1.78x)
avg_h264_qpel_4_mc12_8 533.6 357.6 (1.49x)
avg_h264_qpel_4_mc13_8 348.4 190.8 (1.83x)
avg_h264_qpel_4_mc20_8 144.8 116.8 (1.24x)
avg_h264_qpel_4_mc21_8 478.1 385.6 (1.24x)
avg_h264_qpel_4_mc22_8 348.4 283.6 (1.23x)
avg_h264_qpel_4_mc23_8 478.1 394.6 (1.21x)
avg_h264_qpel_4_mc30_8 172.6 126.1 (1.37x)
avg_h264_qpel_4_mc31_8 339.4 191.1 (1.78x)
avg_h264_qpel_4_mc32_8 542.9 357.6 (1.52x)
avg_h264_qpel_4_mc33_8 339.4 191.1 (1.78x)
avg_h264_qpel_8_mc00_8 116.8 42.9 (2.72x) 123.6 50.6 (2.44x)
avg_h264_qpel_8_mc01_8 774.4 163.1 (4.75x) 779.8 165.1 (4.72x)
avg_h264_qpel_8_mc02_8 774.4 154.1 (5.03x) 779.8 144.3 (5.40x)
avg_h264_qpel_8_mc03_8 774.4 163.3 (4.74x) 779.8 165.3 (4.72x)
avg_h264_qpel_8_mc10_8 617.1 237.3 (2.60x) 613.1 227.6 (2.69x)
avg_h264_qpel_8_mc11_8 1209.3 376.4 (3.21x) 1206.8 363.1 (3.32x)
avg_h264_qpel_8_mc12_8 1913.3 598.6 (3.20x) 1894.3 561.1 (3.38x)
avg_h264_qpel_8_mc13_8 1218.6 376.4 (3.24x) 1217.1 363.1 (3.35x)
avg_h264_qpel_8_mc20_8 524.4 228.1 (2.30x) 519.3 227.6 (2.28x)
avg_h264_qpel_8_mc21_8 1709.6 681.9 (2.51x) 1707.1 644.3 (2.65x)
avg_h264_qpel_8_mc22_8 1274.3 459.6 (2.77x) 1279.8 436.1 (2.93x)
avg_h264_qpel_8_mc23_8 1700.3 672.6 (2.53x) 1706.8 644.6 (2.65x)
avg_h264_qpel_8_mc30_8 607.6 246.6 (2.46x) 623.6 238.1 (2.62x)
avg_h264_qpel_8_mc31_8 1209.6 376.4 (3.21x) 1206.8 363.1 (3.32x)
avg_h264_qpel_8_mc32_8 1904.1 607.9 (3.13x) 1894.3 571.3 (3.32x)
avg_h264_qpel_8_mc33_8 1209.6 376.1 (3.22x) 1206.8 363.1 (3.32x)
avg_h264_qpel_16_mc00_8 431.9 89.1 (4.85x) 436.1 71.3 (6.12x)
avg_h264_qpel_16_mc01_8 2894.6 376.1 (7.70x) 2842.3 300.6 (9.46x)
avg_h264_qpel_16_mc02_8 2987.3 348.4 (8.57x) 2967.3 290.1 (10.23x)
avg_h264_qpel_16_mc03_8 2885.3 376.4 (7.67x) 2842.3 300.6 (9.46x)
avg_h264_qpel_16_mc10_8 2404.1 524.4 (4.58x) 2404.8 456.8 (5.26x)
avg_h264_qpel_16_mc11_8 4709.4 811.6 (5.80x) 4675.6 706.8 (6.62x)
avg_h264_qpel_16_mc12_8 7477.9 1274.3 (5.87x) 7436.1 1061.1 (7.01x)
avg_h264_qpel_16_mc13_8 4718.6 820.6 (5.75x) 4655.1 706.8 (6.59x)
avg_h264_qpel_16_mc20_8 2052.1 487.1 (4.21x) 2071.3 446.3 (4.64x)
avg_h264_qpel_16_mc21_8 7440.6 1422.6 (5.23x) 6727.8 1217.3 (5.53x)
avg_h264_qpel_16_mc22_8 5051.9 950.4 (5.32x) 5071.6 790.3 (6.42x)
avg_h264_qpel_16_mc23_8 6764.9 1422.3 (4.76x) 6748.6 1217.3 (5.54x)
avg_h264_qpel_16_mc30_8 2413.1 524.4 (4.60x) 2415.1 467.3 (5.17x)
avg_h264_qpel_16_mc31_8 4681.6 839.1 (5.58x) 4675.6 727.6 (6.43x)
avg_h264_qpel_16_mc32_8 8579.6 1292.8 (6.64x) 7436.3 1071.3 (6.94x)
avg_h264_qpel_16_mc33_8 5375.9 829.9 (6.48x) 4665.3 717.3 (6.50x)
put_h264_qpel_4_mc00_8 24.4 24.4 (1.00x)
put_h264_qpel_4_mc01_8 987.4 79.8 (12.37x)
put_h264_qpel_4_mc02_8 190.8 79.8 (2.39x)
put_h264_qpel_4_mc03_8 209.6 89.1 (2.35x)
put_h264_qpel_4_mc10_8 163.3 117.1 (1.39x)
put_h264_qpel_4_mc11_8 339.4 181.6 (1.87x)
put_h264_qpel_4_mc12_8 533.6 348.4 (1.53x)
put_h264_qpel_4_mc13_8 339.4 190.8 (1.78x)
put_h264_qpel_4_mc20_8 126.3 116.8 (1.08x)
put_h264_qpel_4_mc21_8 468.9 376.1 (1.25x)
put_h264_qpel_4_mc22_8 330.1 274.4 (1.20x)
put_h264_qpel_4_mc23_8 468.9 376.1 (1.25x)
put_h264_qpel_4_mc30_8 163.3 126.3 (1.29x)
put_h264_qpel_4_mc31_8 339.1 191.1 (1.77x)
put_h264_qpel_4_mc32_8 533.6 348.4 (1.53x)
put_h264_qpel_4_mc33_8 339.4 181.8 (1.87x)
put_h264_qpel_8_mc00_8 98.6 33.6 (2.93x) 92.3 40.1 (2.30x)
put_h264_qpel_8_mc01_8 737.1 153.8 (4.79x) 738.1 144.3 (5.12x)
put_h264_qpel_8_mc02_8 663.1 135.3 (4.90x) 665.1 134.1 (4.96x)
put_h264_qpel_8_mc03_8 737.4 154.1 (4.79x) 1508.8 144.3 (10.46x)
put_h264_qpel_8_mc10_8 598.4 237.1 (2.52x) 592.3 227.6 (2.60x)
put_h264_qpel_8_mc11_8 1172.3 357.9 (3.28x) 1175.6 342.3 (3.43x)
put_h264_qpel_8_mc12_8 1867.1 589.1 (3.17x) 1863.1 561.1 (3.32x)
put_h264_qpel_8_mc13_8 1172.6 366.9 (3.20x) 1175.6 352.8 (3.33x)
put_h264_qpel_8_mc20_8 450.4 218.8 (2.06x) 446.3 206.8 (2.16x)
put_h264_qpel_8_mc21_8 1672.3 663.1 (2.52x) 1675.6 633.8 (2.64x)
put_h264_qpel_8_mc22_8 1144.6 1200.1 (0.95x) 1144.3 425.6 (2.69x)
put_h264_qpel_8_mc23_8 1672.6 672.4 (2.49x) 1665.3 634.1 (2.63x)
put_h264_qpel_8_mc30_8 598.6 237.3 (2.52x) 613.1 227.6 (2.69x)
put_h264_qpel_8_mc31_8 1172.3 376.1 (3.12x) 1175.6 352.6 (3.33x)
put_h264_qpel_8_mc32_8 1857.8 598.6 (3.10x) 1863.1 561.1 (3.32x)
put_h264_qpel_8_mc33_8 1172.3 376.1 (3.12x) 1175.6 352.8 (3.33x)
put_h264_qpel_16_mc00_8 320.6 61.4 (5.22x) 321.3 60.8 (5.28x)
put_h264_qpel_16_mc01_8 2774.3 339.1 (8.18x) 2759.1 279.8 (9.86x)
put_h264_qpel_16_mc02_8 2589.1 320.6 (8.08x) 2571.6 269.3 (9.55x)
put_h264_qpel_16_mc03_8 2774.3 339.4 (8.17x) 2738.1 290.1 (9.44x)
put_h264_qpel_16_mc10_8 2274.3 487.4 (4.67x) 2290.1 436.1 (5.25x)
put_h264_qpel_16_mc11_8 5237.1 792.9 (6.60x) 4529.8 685.8 (6.61x)
put_h264_qpel_16_mc12_8 7357.6 1255.8 (5.86x) 7352.8 1040.1 (7.07x)
put_h264_qpel_16_mc13_8 4579.9 792.9 (5.78x) 4571.6 686.1 (6.66x)
put_h264_qpel_16_mc20_8 1802.1 459.6 (3.92x) 1800.6 425.6 (4.23x)
put_h264_qpel_16_mc21_8 6644.6 2246.6 (2.96x) 6644.3 1196.6 (5.55x)
put_h264_qpel_16_mc22_8 4589.1 913.4 (5.02x) 4592.3 769.3 (5.97x)
put_h264_qpel_16_mc23_8 6644.6 1394.6 (4.76x) 6634.1 1196.6 (5.54x)
put_h264_qpel_16_mc30_8 2274.3 496.6 (4.58x) 2290.1 456.8 (5.01x)
put_h264_qpel_16_mc31_8 5255.6 802.1 (6.55x) 4550.8 706.8 (6.44x)
put_h264_qpel_16_mc32_8 7376.1 1265.1 (5.83x) 7352.8 1050.6 (7.00x)
put_h264_qpel_16_mc33_8 4579.9 802.1 (5.71x) 4561.1 696.3 (6.55x)
Signed-off-by: Niklas Haas <git@haasn.dev>
Signed-off-by: J. Dekker <jdek@itanimul.li>
FFmpeg README
FFmpeg is a collection of libraries and tools to process multimedia content such as audio, video, subtitles and related metadata.
Libraries
libavcodecprovides implementation of a wider range of codecs.libavformatimplements streaming protocols, container formats and basic I/O access.libavutilincludes hashers, decompressors and miscellaneous utility functions.libavfilterprovides means to alter decoded audio and video through a directed graph of connected filters.libavdeviceprovides an abstraction to access capture and playback devices.libswresampleimplements audio mixing and resampling routines.libswscaleimplements color conversion and scaling routines.
Tools
- ffmpeg is a command line toolbox to manipulate, convert and stream multimedia content.
- ffplay is a minimalistic multimedia player.
- ffprobe is a simple analysis tool to inspect multimedia content.
- Additional small tools such as
aviocat,ismindexandqt-faststart.
Documentation
The offline documentation is available in the doc/ directory.
The online documentation is available in the main website and in the wiki.
Examples
Coding examples are available in the doc/examples directory.
License
FFmpeg codebase is mainly LGPL-licensed with optional components licensed under GPL. Please refer to the LICENSE file for detailed information.
Contributing
Patches should be submitted to the ffmpeg-devel mailing list using
git format-patch or git send-email. Github pull requests should be
avoided because they are not part of our review process and will be ignored.