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Subject: Re: [OMPI users] btl_openib_cpc_include rdmacm questions
From: Ralph Castain (rhc_at_[hidden])
Date: 2011-05-12 10:05:23


On May 11, 2011, at 4:27 PM, Dave Love wrote:

> Ralph Castain <rhc.openmpi_at_[hidden]> writes:
>
>> I'll go back to my earlier comments. Users always claim that their
>> code doesn't have the sync issue, but it has proved to help more often
>> than not, and costs nothing to try,
>
> Could you point to that post, or tell us what to try excatly, given
> we're running IMB? Thanks.

http://www.open-mpi.org/community/lists/users/2011/04/16243.php

>
> (As far as I know, this isn't happening with real codes, just IMB, but
> only a few have been in use.)

Interesting - my prior experience was with real codes, typically "legacy" codes that worked fine until you loaded the node.

>
> --
> Excuse the typping -- I have a broken wrist
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