[FFmpeg-devel] [PATCH] avfilter/avf_showcqt: cqt_calc optimization on x86

[Michael Niedermayer]

On Tue, Jun 07, 2016 at 08:07:45AM +0700, Muhammad Faiz wrote:
> On Sat, Jun 4, 2016 at 2:36 PM, Muhammad Faiz <mfcc64 at gmail.com> wrote:
> > benchmark on x86_64
> > cqt_time:
> > plain = 3.292 s
> > SSE   = 1.640 s
> > SSE3  = 1.631 s
> > AVX   = 1.395 s
> > FMA3  = 1.271 s
> > FMA4  = not available
> >
> > untested on x86_32
> >
> > Signed-off-by: Muhammad Faiz <mfcc64 at gmail.com>
> > ---
> >  libavfilter/avf_showcqt.c          |   7 ++
> >  libavfilter/avf_showcqt.h          |   3 +
> >  libavfilter/x86/Makefile           |   2 +
> >  libavfilter/x86/avf_showcqt.asm    | 206 +++++++++++++++++++++++++++++++++++++
> >  libavfilter/x86/avf_showcqt_init.c |  63 ++++++++++++
> >  5 files changed, 281 insertions(+)
> >  create mode 100644 libavfilter/x86/avf_showcqt.asm
> >  create mode 100644 libavfilter/x86/avf_showcqt_init.c
> >
> 
> I want to apply this patch but I'm not sure if it works on
> x86_32 or not (I didn't test it on x86_32)

i had tested fate with it applied on x86_32 earlier today but i think
this filter isnt tested with fate ...

testing x86_32 is easy:
--arch=x86_32 --target-os=linux --extra-cflags=-m32 --extra-ldflags=-m32  --enable-cross-compile

[...]
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