[cairo] Screen orientation

[Carl Worth]

On Tue, 11 Dec 2007 10:53:14 +0100, Koen Kooi wrote:
> So the slowness could be due to cache-misses, but as I said, I don't
> know how cairo rotates things.

Right. There are a *lot* of different places that things could be slow
here. The original poster guessed matrix multiplications, and you're
guessing cache-unfriendly copying. Neither is an unreasonable guess,
but neither is likely worth much effort at a fix until it is verified
as an actual problem.

-Carl
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