Question

I’ve written a multi-threaded Java program to solve an embarrassingly parallel problem such that it utilizes all the free CPU cycles of on a multi-core CPU. I’d like to refactor my solution so that it can run on multiple nodes while still keeping the majority of the code I’ve already written.

I’ve used MPI with C in the past and been told that it’s the “correct” way to address the issue of maximizing CPU cycles, but I’m also aware of other concurrent frameworks in Java like RMI and wonder if they are just as good.

Is there a good way to handle multi-node and multi-core concurrency in Java where the main goal is to leverage the most CPU cycles as possible out of the cluster?

Edit: I get the impression that there’s no easy way to handle this stuff. I’m not surprised, but I was hoping. 🙂

Answer 1

JMS is a good place to start.