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Subject: Re: [OMPI users] "ssh: connect to host XXX.XXX.XXX.XX port 22: connection timed out" errors during mpirun
From: vacate (vacatehoping_at_[hidden])
Date: 2013-06-07 01:33:54

Hello Castain,

Thank you for your reply!

Actually, the thing I'm doing now is that I want to see how
many OpenMPI jobs can be handled in one computer at the same ...

So I'm trying to figure out the reason of the problem that I meet now.

It seems that it's not the limit of OpenMPI, and the real reason is my
computer can't handle a huge amount of connection in a short time.

Is that right?

Thank you very much again!!


On Thu, Jun 6, 2013 at 5:24 AM, Ralph Castain <rhc_at_[hidden]> wrote:

> It has nothing to do with OMPI - this is an ssh issue. I suspect you are
> simply overwhelming the connection system.
> Maybe you could tell us what you are actually trying to accomplish -
> running thousands of mpiruns in parallel seems a tad extreme.
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