[Poppler-bugs] [Bug 68322] pdftops 20 Aug 2013 is about 10% slower than last year

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=68322

--- Comment #9 from Adrian Johnson <ajohnson at redneon.com> ---
I don't think adding this special case is worthwhile for a 1% improvement in a
small number of files.

If we do find architectures where floating point is slower there is an integer
only implementation of the scaling I did in bug 22138 comment 33 that will work
for all images instead of special casing only some images.

Another option for faster scaling would be to use a library like pixman that
has optimized versions for different architectures eg SSE2 on x86. The downside
is pixman only supports 8 bits per component RGB and has some limitations on
image sizes so we would still need the poppler version for other the cases it
doesn't handle.

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