Bug 85766 - Extremely slow rendering of a particular document (sample included)
Summary: Extremely slow rendering of a particular document (sample included)
Status: NEW
Alias: None
Product: poppler
Classification: Unclassified
Component: general (show other bugs)
Version: unspecified
Hardware: x86-64 (AMD64) Linux (All)
: medium major
Assignee: poppler-bugs
QA Contact:
Depends on:
Reported: 2014-11-02 17:58 UTC by Jean-François Fortin Tam
Modified: 2014-11-04 18:31 UTC (History)
0 users

See Also:
i915 platform:
i915 features:

sample document (720.94 KB, application/pdf)
2014-11-02 17:58 UTC, Jean-François Fortin Tam

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Description Jean-François Fortin Tam 2014-11-02 17:58:49 UTC
Created attachment 108802 [details]
sample document

The attached document takes around 30 seconds to re-render, each time you change the window size in Evince.

I consider the document successfully "re-rendered" when
- The text is sharp again
- Evince's UI is responsive
Comment 1 Albert Astals Cid 2014-11-04 09:41:47 UTC
Doesn't seem Cairo specific, both Splash and Cairo take around 7s here to render the thing.
Comment 2 Jean-François Fortin Tam 2014-11-04 15:11:50 UTC
7 seconds? Wow, it's much higher here on a Core2 Quad Q9300 (around 30+ seconds). Maybe because Evince shows up as a small window with this thing initially, and then I size it up to fill my 1920x1080 screen?
Comment 3 Albert Astals Cid 2014-11-04 18:10:22 UTC
Jean-François rendering time obviously depends on resolution, 7 seconds is what poppler test tools take at the "default" resolution in my i7-2670QM
Comment 4 Jason Crain 2014-11-04 18:31:23 UTC
Also, evince does more than just re-render the page.  I think it does the equivalent of `pdftotext' a couple times when the page is resized.

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