Bug 15221 - Poppler rendering of PDF with large images is a lot slower than Acrobat Reader
Summary: Poppler rendering of PDF with large images is a lot slower than Acrobat Reader
Status: RESOLVED FIXED
Alias: None
Product: poppler
Classification: Unclassified
Component: qt4 frontend (show other bugs)
Version: unspecified
Hardware: x86 (IA32) Linux (All)
: medium normal
Assignee: poppler-bugs
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Reported: 2008-03-27 03:28 UTC by Richard Van Den Boom
Modified: 2009-09-17 09:52 UTC (History)
0 users

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Description Richard Van Den Boom 2008-03-27 03:28:12 UTC 
Hi!
I'm using Okular to view PDFs on a KDE4, Slackware-current system. My poppler version is not exactly the most recent (6.4) and it's compiled with gcc 4.2.3. The same goes for Qt4 and KDE4.
Rendering works fine and looks very good (congratulations for this) but showing all pages takes several minutes, while it's almost instantaneous using Acrobat Reader on the same system.
These PDFs include large images with high resolution, but I don't see why it would be such an issue.
Attached is one of the file : it's quite big (70MB).
Best regards,
Comment 1 Richard Van Den Boom 2008-03-27 03:51:07 UTC 
OK, attachment limited to 1MB : can't go anywhere with that.
You can download the document here :

ftp://ftp2.papy3d.com/papyd/un-amour-de-pomme-de-terre2.pdf
Comment 2 Albert Astals Cid 2009-09-16 15:47:37 UTC 
Can you retest on a newer poppler? Here it takes around 1.5 seconds per page that is more or less what Adobe Reader takes
Comment 3 Richard Van Den Boom 2009-09-16 22:27:31 UTC 
I had a bit forgotten about this, sorry about that.
I just rechecked with  poppler-0.10.7 and indeed the rendering performance is very good. 
Well, this can be closed I guess.
Thanks for the great work!

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