[cairo] Re: [poppler] Re: poppler profiling on geode with cairo backend

Carl Worth cworth at cworth.org
Tue Jan 9 15:48:08 PST 2007


On Sat, 06 Jan 2007 13:56:09 +0100, Tomeu Vizoso wrote:
> So I guess that the patch for speeding composition using mmx is still
> not applied in the latest cairo.
>
> Can I do anything to speed up its inclusion?

Tomeu discovered that the unaligned-clip was scaling up by 10% with
every call to the drawing function (oops!). So now that that's fixed
it was easy to drop in Soeren's fix and get a 1.6x speedup for that
test case.

So try it out now and let us know if there is still any unexplained
slowness.

-Carl
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