[cairo] [PATCH] speed up fbOver

[Jeff Muizelaar]

On Wed, Jul 16, 2008 at 10:11:24PM +0200, Soeren Sandmann wrote:
> Jeff Muizelaar <jeff at infidigm.net> writes:
> 
> > The attached patch nearly doubles the speed of fbCompositeSrc_8888x8888
> > on my core duo 2 with gcc 4.0.1.
> 
> The patch looks correct to me, but I'd like to know how you measured
> the speedup, and what the gain was from inlining.

I used the attached program with the following results:

==> new <==
mean: 119198.400000 stddev: 686.753415

==> new-noinline <==
mean: 167497.650000 stddev: 1189.305780

==> old <==
mean: 245697.300000 stddev: 1011.173529

-Jeff
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