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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - PDF slow to render"
href="https://bugs.freedesktop.org/show_bug.cgi?id=93827#c1">Comment # 1</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - PDF slow to render"
href="https://bugs.freedesktop.org/show_bug.cgi?id=93827">bug 93827</a>
from <span class="vcard"><a class="email" href="mailto:jakubkucharski97@gmail.com" title="Jakub Kucharski <jakubkucharski97@gmail.com>"> <span class="fn">Jakub Kucharski</span></a>
</span></b>
<pre>The Linux perf tool shows me that there is a lot of time spent in
cmsEvalToneCurveFloat() function when rendering this document. If you disable
CMS in CMake (-DENABLE_CMS=OFF), the problem disappears. If you switch to lcms1
(instead of lcms2; -DENABLE_CMS=lcms1), it's slower than without CMS, but
faster than with lcms2. I'm not familiar with this library, so unfortunatelly I
can't write any patches which would fix it with lcms2.</pre>
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