On Mon, Dec 24, 2018 at 07:39:18PM +0200, Lauri Kasanen wrote: > 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.
seems working, will apply thx [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB Rewriting code that is poorly written but fully understood is good. Rewriting code that one doesnt understand is a sign that one is less smart then the original author, trying to rewrite it will not make it better.
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