VMOptionsExplorer, JEP tools, and JaCoLine have all been updated to support JDK24.

Options relating to HotSpot RTM (Restricted Transaction Memory) locking have been removed and an interesting new option -XX:+PrintMemoryMapAtExit has been added (will experiment with this and write up later).

https://chriswhocodes.com/hotspot_option_differences.html

https://jacoline.dev/inspect

#VMOptionsExplorer #JaCoLine #java #HotSpot #JVM #JEP

#VMOptionsExplorer updated to #JDK 23 which removes -XX:+TraceICs (trace inline cache changes) and adds -XX:+UseZacas (use the #RISCV atomic CAS instructions) #Java #JVM https://chriswhocodes.com/vm-options-explorer.html

Thanks for the mention!

Reasons you might want to follow me are:

#VMOptionsExplorer - Learn about all the switches that control the JVM: https://chriswhocodes.com/

#JaCoLine - Java Command Line Inspector - check your Java command line works with later versions https://jacoline.dev/inspect

#JEPSearch - Check JEP activity https://chriswhocodes.com/jepsearch.html

#ByteMe - Explore Java bytecode https://byte-me.dev/

#JITWatch - Understand JIT compiler decisions made by the JVM https://github.com/AdoptOpenJDK/jitwatch

#VMOptionsExplorer updated to cover the #JDK21 distros, upcoming #JDK22 stuff, and new JDK-based #GraalVM releases :) #Java #CommandLine https://chriswhocodes.com/hotspot_option_differences.html

Updated #VMOptionsExplorer to the latest @openjdk @graalvm and vendor releases.

See what changed between versions at https://chriswhocodes.com/hotspot_option_differences.html

Hey new Mastodon friends! Here's a little #introduction :)

* 25 years of #Java, mostly in realtime market data but also some fun R&D stuff.

* Java Champion who loves digging deep into the #JVM and sharing what I learn.

* Creator of open source tools like #JITWatch, #VMOptionsExplorer, #JaCoLine, #JEPSearch (https://chriswhocodes.com)

* Co-wrote a book on Java Performance (Optimizing Java).

* Love retro hardware, synths, and the #Demoscene!

Appreciate boosts to make new connections here!

#VMOptionsExplorer (an interactive web page for exploring #JVM options) now supports JDK11, JDK17, JDK19 options for SapMachine. https://bit.ly/3Uns1Bu by @chriswhocodes #Java

#VMOptionsExplorer (an interactive web page for exploring #JVM options) now supports JDK11, JDK17, JDK19 options for SapMachine. https://chriswhocodes.com/sapmachine_jdk11_options.html

RT @chriswhocodes@twitter.com

#VMOptionsExplorer now covers @bellsoftware@twitter.com Liberica #JDK, @adoptium@twitter.com Temurin JDK, and Oracle JDK (@java@twitter.com) for all your #JVM option exploring needs! https://chriswhocodes.com/vm-options-explorer.html

🐦🔗: https://twitter.com/chriswhocodes/status/1450933240110407684