[arch-general] imagemagick 6.8.9.8-1 is slower than 6.8.9.7-1

[Anatol Pomozov]

Hi

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

> After upgrading to imagemagick 6.8.9.8-1, I've found it to be a lot slower
> than 6.8.9.7-1.  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.