Monday May 25, 2009

Pulling a Machine Code Rabbit Out of a Java Hat

How good can modern JVMs be at optimizing code that makes excessive use of auto boxing for method arguments? As it turns out, at least JRockit can be pretty darn good!

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Monday May 11, 2009

The JSR292 endgame

The current JSR292 proposal has come a very long way and is indeed very close to its final design. A lot of problems and design choices have been resolved successfully over time by a world wide group led by John Rose. The current design looks good. However as a member of the JRockit team that will have to implement JSR292 in our JVM, I feel a small trepidation over the proposed transform API in the MethodHandles factory class. [Read More]
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