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Subject: Re: [OMPI users] slowdown with infiniband and latest CentOS kernel
From: Noam Bernstein (noam.bernstein_at_[hidden])
Date: 2013-12-17 11:40:03


On Dec 17, 2013, at 11:04 AM, Ralph Castain <rhc_at_[hidden]> wrote:

> Are you binding the procs? We don't bind by default (this will change in 1.7.4), and binding can play a significant role when comparing across kernels.
>
> add "--bind-to-core" to your cmd line

Now that it works, is there a way to set it via an environment variable, or do I have to put it
on the command line each time?

                                                                                Noam


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