[poppler] Poppler slowdown

Albert Astals Cid aacid at kde.org
Sat Jul 7 05:06:30 PDT 2007


On Saturday 07 July 2007 11:14:41 Salvatore De Paolis wrote:
> Hi all
>
> yesterday I got a a pdf from a claws mail user which found a slowdown in
> opening it.
> As I received it, I notice that too and took a look at poppler source.
> What I can see is that:
>
> 	* poppler_render_page(...) is called one time
> 	* Page::displaySlice(...) is called one time
> 	* gfx::display(..) is called 26301 times instead of 1

gfx::display does not have to be called only 1 time

>
> The document property are:
> Creator: PScript5.dll Version 5.2.2
> Producer: Acrobat Distiller 7.0.5 (Windows)
> Format: PDF-1.4
> Optimized: Yes
>
> I test it with evince and xpdf and it slowdown too, also if with xpdf it's
> faster but still slow.
>
> Here you can download the pdf: http://iwkse.homeunix.org/pdf_slowdown.pdf

You hit http://bugs.kde.org/show_bug.cgi?id=99486

Patterns are VERY slow

I have a friend that said that would try to fix it, but i'm not really sure if 
he is going to even try to start, so if you can you'll be very welcome.

Albert

>
> Regards
> Salvatore
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