AMP model code examples?

Discussion in 'General Programming Discussion' started by fmotta, Oct 28, 2013.

  1. fmotta

    fmotta New Member

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    Generally I do not run code on more than a couple cores unless they have absolutely no dependencies/spin locks since software semaphores/mutexes are essentially a failure for too many cores. So, I generally write data plane apps that perform few functions really fast.

    So, I'd like to have the ability to limit the SMP core usage and then run a tight forever loop to perform some data I/O or data plane code. Are there any instructions for launching the Linux on a fixed subset of cores and reserve the other(s) for other purposes. Is there a way/demo of loading and running a bare-metal app on specific core(s)?
     

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