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Subject: Re: [OMPI users] [Fwd: Re: Configure OpenMPIand SLURMon Debian (Lenny)]
From: Jerome BENOIT (ml.jgmbenoit_at_[hidden])
Date: 2009-04-03 10:16:05


Thanks for the reply !

I asked because

 ompi_info --param all all | grep static

gave nothing.

This feature is certainly for the coming version.

Jeff Squyres wrote:
> What George is saying is that OMPI has two different systems that use
> sockets: the BTL (MPI communications) and the OOB (OMPI's internal
> management communications).
>
> We've been talking about the TCP BTL parameters over the rest of this
> thread.
>
> For the TCP OOB, it looks like the parameter name is
> "oob_tcp_static_ports". I think it takes a comma-delimited list of
> ports. You can probably specify, say, 10000 for btl_tcp_port_min_v4 and
> 9000 for oob_tcp_static_ports. For example:
>
> mpirun --mca oob_tcp_static_ports 9000 --mca oob_tcp_static_ports
> 10000 --mca btl tcp,self ring
>
> If you don't want to put those two variables on every mpirun command,
> you can set them in your environment, put them in your personal params
> file, or in the master params file. Just make sure that those files are
> either the same on all nodes or visible on all nodes. :-)

I had my lesson !

Thanks,
Jerome

>
> http://www.open-mpi.org/faq/?category=tuning#setting-mca-params
>
>
> On Apr 3, 2009, at 4:33 AM, Jerome BENOIT wrote:
>
>> Hello List !
>>
>> George Bosilca wrote:
>> > The range of ports for the OOB TCP has been removed by commit r20390.
>> > Apparently it was replaced by the static port functionality. Only the
>> > TCP BTL use the range mechanism.
>>
>>
>> if applicable, what is the parameter name for the this static port ?
>>
>
>