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Subject: Re: [OMPI users] Mixing Linux's CPU-shielding with mpirun's bind-to-core
From: John Hearns (hearnsj_at_[hidden])
Date: 2013-08-23 09:28:12


On 23 August 2013 12:36, Dave Love <d.love_at_[hidden]> wrote:

> John Hearns <hearnsj_at_[hidden]> writes:
>
> > > cpuset' of one or two cores and let your jobs run on the rest of the
> cores.
>
> Maybe, if you make sure the resource manager knows about it, and users
> don't mind losing the cores,

Depends how big your machine is. Having a few cores devoteds to OS
processes
on a big NUMA machine is not a great loss of resources.
And of course the resource manager knows about it.