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August 29, 2015 14:07
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CLion64 JVM properties for big, boosty projects (requires JDK8)
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| -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 |
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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.