[cairo] pixman: New ARM NEON optimizations

Koen Kooi k.kooi at student.utwente.nl
Tue Feb 16 08:13:17 PST 2010


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On 16-02-10 16:56, Siarhei Siamashka wrote:
> On Thursday 05 November 2009, Chris Wilson wrote:
>> Before going too far along the performance, make sure you are also
>> checking with Søren's work in reducing overheads.
>>
>> Also I'm very interested in seeing what the profiles look like for
>> pixman and cairo on ARM. Just knowledge of the behaviour of your target
>> applications would be useful when thinking about how to tune cairo.
> 
> Here is a result of running a standard set of cairo-perf-trace tests on 600MHz
> ARM Cortex-A8 with 128MB RAM (beagleboard B7):
> http://people.freedesktop.org/~siamashka/files/20100216/pixman-0.17.6/

Thanks for putting that together! Would it be possible to mark fastpaths
with a different colour/border? That would picking slowpaths from the
picture a lot easier :)

regards,

Koen
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