[MPlayer-dev-eng] [PATCH]: hqdn3d.c: refactorize LowPassMul in macro, 10%~20% faster on Athlon X2

Guillaume POIRIER poirierg at gmail.com
Thu Jan 8 14:55:39 CET 2009


On Tue, Jan 6, 2009 at 2:56 AM, Zhou Zongyi <zhouzongyi at pset.suntec.net> wrote:
> Hi all,
> The following patch refactorizes LowPassMul in macro. My compiler is MinGW 4.3.2 and the new version gives me 10%~20% speedup.

Since all this is doing is forcing the alignment of LowPassMul could
your please try the attached patch instead, and tell if it provides
the same speed-up?

Only a very small fraction of our DNA does anything; the rest is all
comments and ifdefs.

Zsa Zsa Gabor  - "I'm a great housekeeper. I get divorced. I keep the house."
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