Re: Hyperthreading on 4 core CPU DECREASES performance???

From: Andreas Mohr
Date: Wed Oct 28 2009 - 16:46:39 EST


Hi,

> I would like to know how can I make the scheduler to prefer to spread
> the tasks across physical cores as opposed to bundling two on one core
> and leaving some cores idle.

Did you have /sys/devices/system/cpu/sched_smt_power_savings activated?

Andreas Mohr
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