Re: Scala Fork-join-implementation - .net uses nearly 100% cpu, while running on JVM doesn't add significant cpu load

>From the stack trace you can see that the scala forkjoin code uses sun.misc.Unsafe. That means it isn't a Java library, but a JDK specific library.

________________________________
From: Andreas Ländle <[email protected]>
Sent: Wednesday, April 2, 2014 7:34 AM
To: [email protected]
Subject: [Ikvm-developers] Scala Fork-join-implementation - .net uses nearly 100% cpu, while running on JVM doesn't add significant cpu load

Hello,

please excuse, if this isn't the right forum to discuss my problem.
I just played around with IKVM and the Akka Simple Cluster example (https://github.com/akka/akka/tree/master/akka-samples/akka-sample-cluster-java/src/main/java/sample/cluster/simple).
All went fine, but if I run the converted code on the .net runtime the CPU load is significantly higher.

As far as I can tell (from the .net profiling) the problem seems to occur inside the ForkJoinPool - but even after comparing this output with the one from the NetBeans Performace profiler of the original java program, I still have no idea want's wrong here.
So I hope there is somebody who can push me to the right direction - so that I'm able to understand the problem. Or maybe this is already something that is a problem that is common knowledge under IKVM users/developers?

How ever, thanks in advance for any hint.

[cid:[email protected]]

Best regards,
Andreas Ländle

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