JaCoLine - Viewing Historical Command Line #6743

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Analysis Date JDK Operating System CPU Architecture Debug JVM?
2023-01-30 OpenJDK11 Linux x86 Y
Results
Switches Identified
-Xmx2458m
-XX:UseAVX=2
-XX:MaxVectorSize=32
-XX:+UseBiasedLocking
-XX:-UseSHA
-XX:+UseOptoBiasInlining
-XX:+UseParallelGC
-XX:+UseCompressedOops
Switch Analysis
Name Type Description Default Value Your Value
mx <size> set maximum Java heap size 2458m
Analysis OK
Name Type Description Default Value Your Value
UseAVX int Highest supported AVX instructions set on x86/x64 3 in range(0, 99) 2
Analysis OK
Name Type Description Default Value Your Value
MaxVectorSize int Max vector size in bytes,
actual size could be less depending on elements type		 64 in range(0, max_jint) 32
Analysis OK
Name Type Description Default Value Your Value
UseBiasedLocking boolean Enable biased locking in JVM true true
Analysis This switch will be removed in the future. It will be Deprecated in OpenJDK15. Obsoleted in OpenJDK18. Expired in OpenJDK19.
Name Type Description Default Value Your Value
UseSHA boolean Control whether SHA instructions are used when available false false
Analysis OK
Name Type Description Default Value Your Value
UseOptoBiasInlining boolean Generate biased locking code in C2 ideal graph true true
Analysis This switch will be removed in the future. It will be Deprecated in OpenJDK15. Obsoleted in OpenJDK18. Expired in OpenJDK19.
Name Type Description Default Value Your Value
UseParallelGC boolean Use the Parallel Scavenge garbage collector false true
Analysis OK
Name Type Description Default Value Your Value
UseCompressedOops boolean Use 32-bit object references in 64-bit VM.
lp64_product means flag is always constant in 32 bit VM		 false true
Analysis OK
Created by Chris Newland (@chriswhocodes)  |  Data from VM Options Explorer  |  Built with Eclipse Jersey and PostgreSQL