- fix tests under Windows (wrong time format, don't use default
- ant maven tasks, include -XX:-UseBiasedLocking -XX:-DoEscapeAnalysis
int Method::fast_exception_handler_bci_for
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add about new
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add about stack and local size
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explain vtable with pictures (invoke interface)
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special vs virtual, ref type vs object type
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zrobić javaagent na bytebuddy
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wywalić jitescript (martwy)
-XX:CompileCommand=print,*NullCheckFolding.nullCheckFodling
PrintAssembly + JMH, moar code with JMH
= JIT
JIT lifecycle
PrintAssembly i CompileCommand (https://jpbempel.github.io/2016/03/16/compilecommand-jvm-option.html)
dlaczego uruchamiamy z +debug non safepoints dlaczego uruchamiamy z -compressed oops
Reading PrintAssembly (https://jpbempel.github.io/2015/12/30/printassembly-output-explained.html, https://jcdav.is/2015/08/30/reading-assembly-from-hotspot/)
NullCheckFolding NullCheckElimination (https://jpbempel.github.io/2013/09/03/null-check-elimination.html) UncommonTrap UncommontrapCHA LoopUnrolling - https://blogs.oracle.com/javamagazine/post/loop-unrolling ConstantFolding Autovectorization
Escape Analisys (https://jpbempel.github.io/2020/08/02/when-escape-analysis-fails-you.html) LockCoarsenning LockEllision PointerCompare ScalarReplacement StackAllocation
Exceptions - https://www.baeldung.com/java-exceptions-performance FastThrow - preallocated exceptions
Intrinsics
CodeCache ?
https://blogs.oracle.com/javamagazine/category/jm-jvm-internals