On Sun, Jan 13, 2019 at 10:26:20AM +0200, Lauri Kasanen wrote: > ./ffmpeg_g -f rawvideo -pix_fmt rgb24 -s hd1080 -i /dev/zero -pix_fmt > yuv420p16be \ > -s 1920x1728 -f null -vframes 100 -v error -nostats - > > 9-14 bit funcs get about 6x speedup, 16-bit gets about 15x. > Fate passes, each format tested with an image to video conversion. > > Only POWER8 includes 32-bit vector multiplies, so POWER7 is locked out > of the 16-bit function. This includes the vec_mulo/mule functions too, > not just vmuluwm. > > With TIMER_REPORT skips disabled: > yuv420p9le > 12412 UNITS in planarX, 131072 runs, 0 skips > 73136 UNITS in planarX, 131072 runs, 0 skips > yuv420p9be > 12481 UNITS in planarX, 131072 runs, 0 skips > 73410 UNITS in planarX, 131072 runs, 0 skips > yuv420p10le > 12322 UNITS in planarX, 131072 runs, 0 skips > 72546 UNITS in planarX, 131072 runs, 0 skips > yuv420p10be > 12291 UNITS in planarX, 131072 runs, 0 skips > 72935 UNITS in planarX, 131072 runs, 0 skips > yuv420p12le > 12316 UNITS in planarX, 131072 runs, 0 skips > 72708 UNITS in planarX, 131072 runs, 0 skips > yuv420p12be > 12319 UNITS in planarX, 131072 runs, 0 skips > 72577 UNITS in planarX, 131072 runs, 0 skips > yuv420p14le > 12259 UNITS in planarX, 131072 runs, 0 skips > 72516 UNITS in planarX, 131072 runs, 0 skips > yuv420p14be > 12440 UNITS in planarX, 131072 runs, 0 skips > 72962 UNITS in planarX, 131072 runs, 0 skips > yuv420p16le > 10548 UNITS in planarX, 131072 runs, 0 skips > 73429 UNITS in planarX, 131072 runs, 0 skips > yuv420p16be > 10634 UNITS in planarX, 131072 runs, 0 skips > 150959 UNITS in planarX, 131072 runs, 0 skips > > Signed-off-by: Lauri Kasanen <c...@gmx.com> > --- > libswscale/ppc/swscale_ppc_template.c | 4 +- > libswscale/ppc/swscale_vsx.c | 186 > +++++++++++++++++++++++++++++++++- > 2 files changed, 184 insertions(+), 6 deletions(-) > > v6: No patch changes, updated bench numbers without skips.
fate does not get worse from this patch on qemu ppc32be and ppc64le [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB If you fake or manipulate statistics in a paper in physics you will never get a job again. If you fake or manipulate statistics in a paper in medicin you will get a job for life at the pharma industry.
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