Wow, got it Rémi Denis-Courmont <[email protected]> 于2024年5月11日周六 22:39写道：
> Le maanantaina 6. toukokuuta 2024, 6.38.01 EEST [email protected] a écrit : > > From: sunyuechi <[email protected]> > > > > C908: > > vp8_put_pixels4_c: 78.0 > > vp8_put_pixels4_rvi: 33.7 > > vp8_put_pixels8_c: 278.0 > > vp8_put_pixels8_rvi: 55.0 > > vp8_put_pixels16_c: 999.0 > > vp8_put_pixels16_rvi: 86.7 > > Actually, I do think that the C compiler is doing a better job. > On SiFive U74, the figures are horrible: > > By time: > vp8_put_pixels4_c: 0.2 > vp8_put_pixels4_rvi: 10.5 > vp8_put_pixels8_c: 1.0 > vp8_put_pixels8_rvi: 30.0 > vp8_put_pixels16_c: 2.2 > vp8_put_pixels16_rvi: 60.0 > > By cycles: > vp8_put_pixels4_c: 84.0 > vp8_put_pixels4_rvi: 3871.0 > vp8_put_pixels8_c: 331.0 > vp8_put_pixels8_rvi: 11281.2 > vp8_put_pixels16_c: 826.0 > vp8_put_pixels16_rvi: 22502.0 > > Best guess is that the data is not 64-bit aligned, otherwise I can't > really > make sense of those figures. > > -- > Rémi Denis-Courmont > http://www.remlab.net/ > > > > _______________________________________________ > ffmpeg-devel mailing list > [email protected] > https://ffmpeg.org/mailman/listinfo/ffmpeg-devel > > To unsubscribe, visit link above, or email > [email protected] with subject "unsubscribe". > _______________________________________________ ffmpeg-devel mailing list [email protected] https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe".
