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High performance Mac OS X IntelliJ IDEA options: /Applications/IntelliJ IDEA 12 CE.app/bin/idea.vmoptions
-server
-Xms512m
-Xmx2048m
-XX:MaxPermSize=512m
-XX:ReservedCodeCacheSize=256m
-XX:+UseCodeCacheFlushing
-XX:+UseCompressedOops
-XX:+UseConcMarkSweepGC
-XX:+AggressiveOpts
-XX:+CMSClassUnloadingEnabled
-XX:+CMSIncrementalMode
-XX:+CMSIncrementalPacing
-XX:CMSIncrementalDutyCycleMin=0
-XX:-TraceClassUnloading
-XX:+TieredCompilation
@mjallday

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commented Aug 26, 2015

👍 also works for intellij 14

@jbubsk

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commented Oct 16, 2015

👍 works good for WebStorm 10 as well

@cholick

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commented Jan 24, 2016

Would love a little more detail on the whys of the various flags.

@kocokolo

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commented Jul 2, 2016

so good

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