[arch-general] imagemagick is slower than

Anatol Pomozov anatol.pomozov at gmail.com
Fri Oct 17 02:54:21 UTC 2014


On Thu, Oct 16, 2014 at 7:39 PM, Matthew Wynn <m-wynn at live.com> wrote:

> After upgrading to imagemagick, I've found it to be a lot slower
> than  I only get this issue when downloading from the
> repositories or using the PKGBUILD, not when compiling using the
> instructions at imagemagic.org.
> I've discussed the issue with the ImageMagick developers, which you can
> find at
> http://www.imagemagick.org/discourse-server/viewtopic.php?f=3&t=26369&sid=a29400f51bd723e98da6b74c0819e9b3.
> Even when trying to convert a 500x500 image to 100x100, it appears that an
> image that is 2048x1536 is created.
> I've tried this on multiple Arch machines with the same result.

Use code profiler (e.g. 'perf') to record information where the tool spends
its CPU cycles. Then compare what is the difference and why newer version
is slower.

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