Lancern's Treasure Chest
08:45 · Mar 27, 2024 · Wed
Notes on debugging HotSpot's JIT compilation (2023)
https://jornvernee.github.io/hotspot/jit/2023/08/18/debugging-jit.html
Jorn Vernee
Notes on debugging HotSpot’s JIT compilation
Typically when you compile a Java program, it is first compiled into bytecode by a Java compiler. However, this bytecode is not optimized yet. In HotSpot (OpenJDK’s JVM) this instead happens at runtime, and is done by a JIT, a Just-In-Time compiler. This…
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