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Subject: Re: [OMPI devel] RMAPS rank_file component patch and modifications for review
From: Terry Dontje (Terry.Dontje_at_[hidden])
Date: 2008-03-31 07:59:07


Jeff Squyres wrote:
> On Mar 27, 2008, at 8:02 AM, Lenny Verkhovsky wrote:
>
>>> - I don't think we can delete the MCA param ompi_paffinity_alone; it
>>> exists in the v1.2 series and has historical precedent.
>>>
>> It will not be deleted,
>> It will just use the same infrastructure ( slot_list parameter and
>> opal_base functions ). It will be transparent for the user.
>>
>> User have 3 ways to setup it
>> 1. mca opal_paffinity_alone 1
>> This will set paffinity as it did before
>> 2. mca opal_paffinity_slot_list "slot_list"
>> Used to define slots that will be used for all ranks on all
>> nodes.
>> 3. mca rmaps_rank_file_path rankfile
>> Assigning ranks to CPUs according to the file
>>
>
>
> I don't see the MCA parameter "mpi_paffinity_alone" anymore:
>
> -----
> [4:54] svbu-mpi:~/svn/ompi2 % ompi_info --param all all | grep
> paffinity_alone
> MCA opal: parameter "opal_paffinity_alone" (current
> value: "0")
> [4:54] svbu-mpi:~/svn/ompi2 %
> -----
>
> My point is that I don't think we should delete this parameter; there
> is historical precedence for it (and it has been documented on the web
> page for a long, long time). Perhaps it can now simply be a synonym
> for opal_paffinity_alone (registered in the MPI layer, not opal).
>
>
I agree with Jeff on the above. This would cause a lot of busy work for
our customers and internal setups.

--td