Vc branch ready for testing

[JL VT]

On Thu, Sep 6, 2012 at 12:16 AM, Sven Langkamp <sven.langkamp at gmail.com>wrote:

> Hi,
>
>
> I have pushed the krita-vc-langkamp branch. It does implement the brush
> mask computation with vc.
> To build the branch you need a cpu with SSE2 and Vc 0.61 or git:
> http://code <http://code.compeng.uni-frankfurt.de/projects/vc>
> *
> *
> *I need to look up *.compeng.uni-frankfurt.de/projects/vc<http://code.compeng.uni-frankfurt.de/projects/vc>
> AVX should work too, but requires a change in the Krita cmake file.
>
> With the branch there is around 15x speedup in the mask benchmark and
> about 2-3x speedup in the stroke benchmark (for brushes without random and
> density).
>

You are a hero.

And I juuust got an i7 Core 2600K Sandy Bridge... When I have this
installed, it'll be time to compile your branch.
And play with Krita. This will be good.

No idea how much performance improvement that gives during real painting,
> so that needs testing.
>
>
>
> Sven
>
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