[XviD-devel] MMX/SSE/SEE2 implementation

[daniel smith]

> Back last summer I played with various Xvid nasm sad16_sse2
> optimizations and nothing seemed to make much difference for some
> reason, so I never released it.

I remember it took quite a few attempts before I could get an SSE2 SAD16 function faster than the XMM one, but it was replaced in CVS by one that appears slower than XMM.  In any case, mine only ran ~15% faster on a P4 than the XMM code, however the specs on the test machine were so strange that it might not be optimal on a decent RDRAM setup anyway.

dan

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