IDEA15 idea64.exe.vmoptions optimization

-ea
-server
-Xms1g
-Xmx1g
-Xss16m
-XX:PermSize=256m
-XX:MaxPermSize=256m
-XX:+DoEscapeAnalysis
-XX:+UseCompressedOops
-XX:+UnlockExperimentalVMOptions
-XX:+UseConcMarkSweepGC
-XX:LargePageSizeInBytes=256m
-XX:ReservedCodeCacheSize=96m
-XX:+UseCodeCacheFlushing
-XX:+UseCompressedOops
-XX:ParallelGCThreads=8
-XX:+UseParNewGC
-XX:+UseConcMarkSweepGC
-XX:+DisableExplicitGC
-XX:+ExplicitGCInvokesConcurrent
-XX:+PrintGCDetails 
-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:+UseCompressedStrings 
-XX:+OptimizeStringConcat
-XX:+UseStringCache 
-XX:+UseFastAccessorMethods 
-XX:+UnlockDiagnosticVMOptions