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            <b><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW --- - High process load while rendering pdf"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=78016#c3">Comment # 3</a>
              on <a class="bz_bug_link 
          bz_status_NEW "
   title="NEW --- - High process load while rendering pdf"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=78016">bug 78016</a>
              from <span class="vcard"><a class="email" href="mailto:Thomas.Freitag@alfa.de" title="Thomas Freitag <Thomas.Freitag@alfa.de>"> <span class="fn">Thomas Freitag</span></a>
</span></b>
        <pre>Seems to be "cairo backend" problem only: I can open it in okular without
seeing that problem, and time measurement shows me:

time ./utils/pdftoppm -png -cropbox -f 1 -l 10 78016.open/lecture4.pdf
output/78016

real    0m6.556s
user    0m6.516s
sys    0m0.016s

(which is a reasonable time because of the usage of pattern colorspaces, but:)

time ./utils/pdftocairo -png -cropbox -f 1 -l 10 78016.open/lecture4.pdf
output/78016-cairo

real    2m52.166s
user    2m45.826s
sys    0m6.012s</pre>
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