Hi,
On Tue, Sep 2, 2014 at 10:26 PM, Reimar Döffinger <reimar.doeffin...@gmx.de> wrote: > On 03.09.2014, at 00:49, Pascal Massimino <pascal.massim...@gmail.com> > wrote: > > On Tue, Sep 2, 2014 at 9:39 AM, Michael Niedermayer <michae...@gmx.at> > > wrote: > > > > > > [ahem: ffmpeg doesn't feel like using intrinsics, by chance?] > > I tried that about 5 months back, once more. > It still results in code that is slower than the plain C version, even > when using SIMD, on trivial NEON audio format conversion (same thing in asm > was about 8x faster). > So you can get the same effect with less effort by disabling just > disabling asm code. > strange. I exclusively used intrinsics for libwebp (x86, but also neon/aarch64) and was pretty pleased with the result (say <2% perf loss, but 10x easier maintenance and friendliness to non-guru contributors). Agreed, coding style is weird, with all these 'const __m128i var = ...', but... My 2c. /skal _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel