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Mike Heath's Blog

Seam 1.2

I haven’t had much of a chance to use Seam yet. I’m looking forward to it though. If for no other reason than a good friend of mine, Mike Youngstrom, wrote the Spring integration. He’s mentioned in The Server Side Seam 1.2GA announcement as well as in Gavin King’s blog. Way to go youngm!

Java JIT vs Native Code Performance Matrix

I published the performance matrix from our programming contest at work. The matrix isn’t complete at this time. I’ll be adding more results over time.

JIT Happens

I’ve known for a long time that the Java Just-In-Time compiler produces some very fast code but I didn’t realize how fast until I went one-on-one with it and lost. At work, my manager sponsored a little programming contest. It’s the first of its kind in our department and the goal is to foster creativity [...]

Calling Java Methods From a Signal Handler

As part of AIOJ, I need a way to invoke Java methods from inside of a signal handler. When I issue a POSIX AIO function from a native method, I tell it to raise a particular signal when the operation completes. The signal I am using is SIGRTMIN + 5. This signal works and at [...]

  

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