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Subject: Re: [hwloc-devel] BGQ empty topology with MPI
From: Paul H. Hargrove (PHHargrove_at_[hidden])
Date: 2012-03-22 22:49:49


 From the same machine that Dan is using:

{hargrove_at_cetuslac1 ~}$ mpicc -v
mpicc for MPICH2 version 1.4.1p1
[...hairy details omitted...]
gcc version 4.4.6 (BGQ-dev-120305)

-Paul

On 3/22/2012 7:43 PM, Christopher Samuel wrote:
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>
> On 22/03/12 20:58, Brice Goglin wrote:
>
>> So there's something strange going on when MPI is added. Which MPI
>> are using? Is this a derivative of MPICH that embeds hwloc? (MPICH
>>> = 1.2.1 if I remember correctly)
> Not sure about BG/Q, but BG/P uses code derived from MPICH2 according
> to: http://wiki.bg.anl-external.org/index.php/Main_Page
>
> Our BG/P seems to claim it's from MPICH2 1.1:
>
> samuel_at_tambo:~> mpicc -v
> mpicc for 1.1
>
> cheers,
> Chris
> - --
> Christopher Samuel - Senior Systems Administrator
> VLSCI - Victorian Life Sciences Computation Initiative
> Email: samuel_at_[hidden] Phone: +61 (0)3 903 55545
> http://www.vlsci.unimelb.edu.au/
>
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-- 
Paul H. Hargrove                          PHHargrove_at_[hidden]
Future Technologies Group
HPC Research Department                   Tel: +1-510-495-2352
Lawrence Berkeley National Laboratory     Fax: +1-510-486-6900