For anyone interested, here are my current JVM options for a 16 GB computer:
No FastCraft or OptiFine needed for perfectly smooth gameplay. Don't use the FTB launcher because it adds JVM options of its own without telling you.
Code:
-Xms10G -Xmx10G -XX:+UseG1GC -XX:MaxGCPauseMillis=250 -XX:PermSize=256M -XX:ReservedCodeCacheSize=256M -XX:+DisableExplicitGC -XX:+UseCodeCacheFlushing -XX:+TieredCompilation -XX:+UseLargePages -XX:+UseFastAccessorMethods -XX:+UseBiasedLocking -XX:+PrintGCDetails -XX:+PrintGCTimeStamps -verbose:gc -Xloggc:gc.log -Dsun.zip.disableMemoryMapping=true -Djava.net.preferIPv4Stack=true
No FastCraft or OptiFine needed for perfectly smooth gameplay. Don't use the FTB launcher because it adds JVM options of its own without telling you.
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