On Mon, May 29, 2017 at 09:40:49PM +0200, James Darnley wrote: > On 2017-05-29 16:51, James Darnley wrote: > > --- > > Changes: > > - Changed type of d40000 constant to dwords because it gets used as dwords. > > - Changed or removed HAVE_MMX_INLINE preprocessor guards. > > - Added note about conversion from inline. > > - New file no longer has "2" suffix. > > - Whitespace (indentation and alignment). > > > > libavcodec/tests/x86/dct.c | 2 +- > > libavcodec/x86/Makefile | 4 +- > > libavcodec/x86/idctdsp_init.c | 4 - > > libavcodec/x86/simple_idct.asm | 889 > > +++++++++++++++++++++++++++++++++++++++ > > libavcodec/x86/simple_idct.c | 929 > > ----------------------------------------- > > 5 files changed, 892 insertions(+), 936 deletions(-) > > create mode 100644 libavcodec/x86/simple_idct.asm > > delete mode 100644 libavcodec/x86/simple_idct.c > > Ronald queried on IRC about the performance. The libavcodec/tests/dct > utility reports these numbers > > Yorkfield: > - inline: IDCT SIMPLE-MMX: 15715.9 kdct/s > - external: IDCT SIMPLE-MMX: 15699.9 kdct/s > > Skylake-U: > - inline: IDCT SIMPLE-MMX: 11193.3 kdct/s > - external: IDCT SIMPLE-MMX: 11189.7 kdct/s
Its better to benchmark by decoding some videos as the sparsness of the coeffs affects speed [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB If you think the mosad wants you dead since a long time then you are either wrong or dead since a long time.
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