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@nikreiman
Last active August 29, 2015 14:07
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CLion64 JVM properties for big, boosty projects (requires JDK8)
-ea
-server
-Xms1g
-Xmx4g
-Xss16m
-XX:+DoEscapeAnalysis
-XX:+UnlockExperimentalVMOptions
-XX:+UseConcMarkSweepGC
-XX:LargePageSizeInBytes=256m
-XX:ReservedCodeCacheSize=96m
-XX:+UseCodeCacheFlushing
-XX:+UseCompressedOops
-XX:ParallelGCThreads=8
-XX:+UseConcMarkSweepGC
-XX:+DisableExplicitGC
-XX:+ExplicitGCInvokesConcurrent
-XX:+PrintFlagsFinal
-XX:+AggressiveOpts
-XX:+HeapDumpOnOutOfMemoryError
-XX:+CMSClassUnloadingEnabled
-XX:+CMSPermGenSweepingEnabled
-XX:CMSInitiatingOccupancyFraction=60
-XX:+CMSClassUnloadingEnabled
-XX:+CMSParallelRemarkEnabled
-XX:+UseAdaptiveGCBoundary
-XX:+UseSplitVerifier
-XX:CompileThreshold=10000
-XX:+OptimizeStringConcat
-XX:+UseStringCache
-XX:+UnlockDiagnosticVMOptions
@nikreiman
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I'm running CLion on a Linux machine with JDK8 (1.8.0_20-b26 to be exact) with 32Gb of RAM. So 4Gb for -Xmx works well for me, but you might want to decrease this value if your machine starts swapping heavily.

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