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Limiting java application's memory and cpu usage

Asked 2011-02-10T01:32:11.823
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Say, "run myApp.jar with cpu=800 and memory=1024"

Ive been doing java programming for many years and it is an embarrasment to ask this question. I don't even know whether this is possible or not. And if so, how?

What I just want know is if it is possible to set a java program's maximum memory and cpu usage. I suddenly thought of this because of I recently started developing mobile apps. I want to know how the app will behave on the device which has very limited memory and processor.

I saw physics engines with demo apps that run on the browser or I can execute on my PC. What if I run them on a mobile device? Will the performance be the same? Rather than developing a sample mobile app to test the library's performance, I'd rather run it with a specific cpu and memory using my PC first.

I tried googling by the way... all i found was monitoring and performance tuning. I may be using wrong keywords.

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In this scenario it might help to run the app on a Mobile emulator (E.g. Android).

With this you can emulate a mobile device with specific CPU/Memory. So, you should get performance this is comparable to a device that has slower CPU and lesser RAM.

Android / Nokia emulator are free and available for download from developer sections of Nokia/Google sites.

answered 2011-03-14T08:30:44.143

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