JVM performance optimization – Java

Java applications run on the JVM, but what do you know about JVM technology?

If you are a programmer then you have undoubtedly experienced that special feeling when a light goes on in your thought process, when those neurons finally make a connection, and you open your previous thought pattern to a new perspective.

All JVM implementations have one thing in common, which is their attempt to get application bytecode translated into machine instructions. Some JVMs interpret application code on load and use performance counters to focus on “hot” code. Some JVMs skip interpretation and rely on compilation alone. The resource intensiveness of compilation can be a bigger hit (especially for client-side applications) but it also enables more advanced optimizations.

Read complete articles:
JVM performance optimization, Part 1: A JVM technology primer.
JVM performance optimization, Part 2: Compilers.

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