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Thread: Load Average, Multiple Cores, & Hyperthreading

  1. #1
    Join Date
    Jul 2010
    Ubuntu 10.10 Maverick Meerkat

    Post Load Average, Multiple Cores, & Hyperthreading

    I recently upgraded to a core i3 system (2 cores and 2 hyperthreads showing up as 4 "CPU"s in top, htop, etc.) My load averages when really taxing the system goes to about 1.5ish. The system does not stutter one bit however I was wondering if I should consider having a load average of 2.0 or 4.0 as really taxing the system?

    Good Article on Load Averages:

  2. #2
    Join Date
    Mar 2007
    Ubuntu 7.10 Gutsy Gibbon

    Re: Load Average, Multiple Cores, & Hyperthreading

    from the link you posted it looks like a load average of 4 (1 x number of cpu's) is where you will experience issues (waiting/queuing)

    (i believe) the load average is a cumulative average of all the cores however what if one of the cores was maxed out with a load average of the > 1 and the others were idle?

    how can you list the load average per core
    Last edited by jbencic; December 22nd, 2010 at 12:32 AM.

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