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Is there any way to limit the number of CPU's used for a particular program? I need to run a program using only 1 or 2 CPU's on a quad ...
  1. 02-16-2009 #1
    anon991
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    Limit the number of CPU's

    Is there any way to limit the number of CPU's used for a particular program? I need to run a program using only 1 or 2 CPU's on a quad core machine.

    Thanks.
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  2. 02-17-2009 #2
    Ben Cotton
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    It's not quite what you're looking for, but the nice(1) command can allow you to change the priority of a job.

    The only way I'm aware of to do what you want is to create a virtual machine with the desired number of processors and run the job in there. That seems a bit heavy though, so maybe someone else will have a better answer.

    It might be helpful to know why you want to impose the CPU limitation.
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