finding number of cores in a multi-core processor

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  1. #1
    Linguistic Engineer... doubleanti's Avatar
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    finding number of cores in a multi-core processor

    Is there a way to find the number of cores in a multi-core system using a command-line, or library function? I want to do this because I want to re-write my programs to be multithreaded and take advantage of multiple cores. Specifically I'm coding in Java, but anything would help. Thanks.

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  2. #2
    Cat without Hat CornedBee's Avatar
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    C++0x will provide std::thread::get_hardware_concurrency(). That probably doesn't help you, though.

    Not a C++ question, moving to Tech.


    Try java.lang.Runtime.availableProcessors().
    Last edited by CornedBee; 03-04-2008 at 02:14 AM.
    All the buzzt!
    CornedBee

    "There is not now, nor has there ever been, nor will there ever be, any programming language in which it is the least bit difficult to write bad code."
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    Malum in se abachler's Avatar
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    In windows use GetSystemInfo()
    Until you can build a working general purpose reprogrammable computer out of basic components from radio shack, you are not fit to call yourself a programmer in my presence. This is cwhizard, signing off.

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    Related thread: Maximum concurrency

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