[Poppler-bugs] [Bug 66928] 100% CPU usage

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=66928

--- Comment #12 from Thomas Freitag <Thomas.Freitag at alfa.de> ---
(In reply to comment #11)
> Thomas, I've run the regtest and it seems some colorspaces (for example in
> altona_visual_1v2a_x3.pdf) are not independent regarding r,g,b, that is, you
> pass
> 39321 38293 37522
> to getRGB, and then
> 39321 38036 37265
> and even if the first of the triplets is the same, the red component in one
> case is
> 0.674515
> and in the other is
> 0.670593
> 
> Granted is not a big difference, but it is a difference, and maybe in some
> colorspaces would be even bigger?
> 
> What's your opinion on that?

I expected that behaviour, that's what I meant with "somewhat linear". But I
spent just 768 byte for the cache, for an exact cache we need 64 MByte. But
after my experiences with the (even if artificial and not RGB but CMYK)
profiles of the GWG test PDFs I plan now to make some tests with an exact cache
(for RGB -> RGB conversion only) first before thinking about a new option
(options we have enough, haven't we?)

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