Okay, I have modified them to 64 and added some descriptions. Rémi Denis-Courmont 于2023年11月15日周三 23:06写道: > Le keskiviikkona 15. marraskuuta 2023, 10.59.55 EET flow gg a écrit : > > Okay, I have updated these issues in the patch. > > It does not assemble but I can fix it locally. The narrowing shift > trickery > require Zve64x, or rather Zve64f in this case. > > The performance improvement is much better on newer hardware: > fcmul_add_c: 4891.2 > fcmul_add_rvv_f64: 2399.5 > > FWIW, VLSEG2E32.V remains slightly worse than with shifting: > fcmul_add_c: 4891.2 > fcmul_add_rvv_f32: 2877.5 > > -- > 雷米‧德尼-库尔蒙 > http://www.remlab.net/ > > > > _______________________________________________ > ffmpeg-devel mailing list > ffmpeg-devel@ffmpeg.org > https://ffmpeg.org/mailman/listinfo/ffmpeg-devel > > To unsubscribe, visit link above, or email > ffmpeg-devel-request@ffmpeg.org with subject "unsubscribe". >