Profiling Krita

[Boudewijn Rempt]

I've tried my hand with callgrind and so on to determine what made Krita's 
KisPaintDevice setPixel/pixel so slow -- as if I didn't know already. No big
surprises, except that there aren't many cache misses on my laptop -- and that 
freetype accounts for a really humongous number of calls.

I've put up the most relevant cachegrind output on my website for other people 
to peruse, since it's a bit of a bore to actually produce the data.

http://www.valdyas.org/~boud/callgrind.out.23373.gz

I've already inlined KisTileMgr::tileNum, since that seemed to be a biggy, and 
it is probably short enough that gcc really does inline it.

-- 
Boudewijn Rempt | http://www.valdyas.org/fading/index.cgi
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