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How to solve the problem that the CPU surges to 100% when imagick is running in multiple threads
How to solve the problem that the CPU surges to 100% when imagick is running in multiple threads
If you install imagic to the /usr/local/imagemagick directory, first use the /usr/local/imagemagick/bin/convert -version command to check whether the output content has multi-threading enabled. The value of Features: is empty or DPC Description It is single-threaded. If the value of Features: is openMP, it means it is multi-threaded. The multi-threaded mode of imagick has a bu
If you install imagic to the /usr/local/imagemagick directory
First use the /usr/local/imagemagick/bin/convert -version command to check whether the output content has multi-threading enabled. The value of Features: is empty or DPC Description It is single-threaded. If the value of Features: is openMP, it means it is multi-threaded. There is a bug in the multi-threaded mode of imagick, which will cause the multi-core CPU usage to instantly surge to 100%. So be sure to use its single-threaded mode. That’s it.
The above is the result displayed when my configuration is correct. If the configuration is not correct, the result below will be displayed
Version: ImageMagick 6.8.9-10 Q16 x86_64 2015-12-28 http://www.imagemagick.org
Copyright: Copyright (C) 1999-2014 ImageMagick Studio LLC
|
Just add the red font part below during installation ./configure --PRefix=/usr/local/imagemagick
--disable-openmp
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