[cairo] [PATCH/RFC][pixman] More ARM NEON performance updates

Siarhei Siamashka siarhei.siamashka at gmail.com
Wed Dec 16 11:09:28 PST 2009

On Thursday 10 December 2009, Siarhei Siamashka wrote:
> 1. Addition of ARM optimized combiners (OVER and ADD for the start, more
> can be added as needed)
> http://cgit.freedesktop.org/~siamashka/pixman/log/?h=combiners-arm-neon
> Introduces a simplified template for generating a function for handling
> just a single scanline. Call overhead is a bit lower than that of a full
> 2D image processing function called with 'height' argument set to 1. The
> situation with memory prefetch is not quite clear here, so it was dropped
> for this case. Combiners may work either with a temporary scratch buffer or
> with real memory and benefits of prefetch are mostly invalidated here.

Pushed this part to master.

I'll reply to all the comments regarding other pending patches a bit later.

Best regards,
Siarhei Siamashka
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