Open MPI logo

Open MPI User's Mailing List Archives

  |   Home   |   Support   |   FAQ   |   all Open MPI User's mailing list

Subject: Re: [OMPI users] btl_tcp_if_include setting
From: Ray Sheppard (rsheppar_at_[hidden])
Date: 2013-10-14 11:00:20


Thanks Ralph, Thanks Jeff,
   I should have written sooner. I spent the weekend trying to set it as
a configure option.
                            Ray

On 10/14/2013 10:42 AM, Jeff Squyres (jsquyres) wrote:
> More info on Ralph's comment is available here:
>
> http://www.open-mpi.org/faq/?category=tuning#setting-mca-params
>
>
> On Oct 14, 2013, at 10:36 AM, Ralph Castain <rhc_at_[hidden]> wrote:
>
>> It won't be a configure switch, but you can put the following in your default system mca param file:
>>
>> btl_tcp_if_include=ipogif0
>>
>> You'll find that file in <prefix>/etc - it is called openmpi-mca-params.conf. Users won't have to enter it after that since we pick that file up by default.
>>
>>
>> On Oct 14, 2013, at 7:27 AM, Ray Sheppard <rsheppar_at_[hidden]> wrote:
>>
>>> Hi,
>>> I am setting up version 1.7.2 for a Cray XE-6. The build nodes have different interfaces than the compute nodes. I have been able to set it up, but users need to embed the following into their mpirun command:
>>> --mca btl_tcp_if_include ipogif0
>>>