[FFmpeg-devel] [PATCH] VP8 chroma(8) inner loopfilter MMX/MMX2/SSE2

Ronald S. Bultje rsbultje
Sun Jul 18 19:23:57 CEST 2010


On Sun, Jul 18, 2010 at 1:10 PM, Martin Jeppesen <sha256sum at gmail.com> wrote:
>> Same as inner luma, H/SSE2 is a little slower than MMX2 on my shitty
>> CPU, this is expected and Loren's patch should fix this once we have a
>> flag to distinguish "slow" or "fake" SSE2 CPUs from real ones (which
>> will show a 30-40% performance improvement over MMX2). Loren, what
>> happened to that patch?
> Hi there.
> You wouldn't happen to know which CPU's that are affected by this, or
> perhaps where I can read more about the slow/fake SSE CPU's?



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