Dynamic Deoptimization in Java VM

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By bloid
via floatingpoint.tinou.com
Published: Apr 13 2008 / 00:04

Did you know the Java HotSpot Virtual Machine (JVM) dynamically deoptimizes your code? I knew the Sun JVM tries to optimize hot spots in the code (hence the name), but it never occurred to me that it also does the opposite. I'll give a quick example below. You can read more about it here, on Sun's website.

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