On Sun, 16 Dec 2018 11:06:53 +0200 Lauri Kasanen <c...@gmx.com> wrote:
> This function wouldn't benefit from VSX instructions, so I put it > under altivec. > > ./ffmpeg_g -f rawvideo -pix_fmt rgb24 -s hd1080 -i /dev/zero -pix_fmt > grayf32le \ > -f null -vframes 100 -v error -nostats - > > 3743 UNITS in planar1, 65495 runs, 41 skips > > -cpuflags 0 > > 23511 UNITS in planar1, 65530 runs, 6 skips > > grayf32be > > 4647 UNITS in planar1, 65449 runs, 87 skips > > -cpuflags 0 > > 28608 UNITS in planar1, 65530 runs, 6 skips > > The native speedup is 6.28133, and the bswapping one 6.15623. > Fate passes, each format tested with an image to video conversion. > > Signed-off-by: Lauri Kasanen <c...@gmx.com> > --- > > Tested on POWER8 LE. Testing on earlier ppc and/or BE appreciated. > > v2: Added #undef vzero, that define broke the build on older gcc. Thanks > Michael Ping. And of course it's not gcc version dependant, but rather it was the BE ifdef; it was too early in the morning. - Lauri _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
