evince appears to be single-threaded

Asked by David J. Brown

I have just been looking at a document scanned (at high resolution) by the Archive.

Whilst evince is attempting to produce thumbnails, and I try to flip through pages, I observe (using the linux system monitor) that a single (of my eight) CPUs is pegged, while the other seven are lolly-gagging about.

This makes me ask: "Hey, is evince properly enabled to exploit the usual du-jour?"

I fear that it may not be.

Will you kindly give me your guidance about all that.

Persons might wish to be of use in these matters.

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Ubuntu evince Edit question
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This question was originally filed as bug #1196200.

This question was reopened

Revision history for this message
Logan Rosen (logan) said :

Thank you for taking the time to report this issue and helping to make Ubuntu better. Examining the information you have given us, this does not appear to be a bug report so we are closing it and converting it to a question in the support tracker. We understand the difficulties you are facing, but it is better to raise problems you are having in the support tracker at https://answers.launchpad.net/ubuntu if you are uncertain if they are bugs. You can also find help with your problem in the support forum of your local Ubuntu community http://loco.ubuntu.com/ or asking at http://askubuntu.com or http://ubuntuforums.org. For help on reporting bugs, see https://help.ubuntu.com/community/ReportingBugs.

Revision history for this message
Jeremy Bicha (jbicha) said :

I believe this is a valid bug report. I linked to a GNOME bug for the issue.

Revision history for this message
David J. Brown (djb-9) said :

Thanks Jeremy,
    So much of the modern computing fabric is nippy enough, that we may not see these things.
When I had the enormous pregnant pause in its delivery of thumbnails and pages therefore (on my
fire-breathing 8-way server box,) I went looking.

Smoking gun!

Let me know if I can help at all, will you?
; David J. Brown Ph.D. (cantab.)
; the Internet Archive
; Visiting Researcher
; the Harvard College

Revision history for this message
David J. Brown (djb-9) said :

p.s. Bug report (and purported problem) still stands
Persons who could be of use are standing by

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