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Subject: Re: [OMPI users] CUDA in v1.7?
From: ESCOBAR Juan (Juan.Escobar_at_[hidden])
Date: 2012-08-09 10:07:15


On 08/09/2012 03:52 PM, Rolf vandeVaart wrote:
>> -----Original Message-----
>> From: Jeff Squyres [mailto:jsquyres_at_[hidden]]
>> Sent: Thursday, August 09, 2012 9:45 AM
>> To: Open MPI Users
>> Cc: Rolf vandeVaart
>> Subject: CUDA in v1.7? (was: Compilation of OpenMPI 1.5.4 & 1.6.X fail for PGI
>> compiler...)
>>
>> On Aug 9, 2012, at 9:37 AM, ESCOBAR Juan wrote:
>>
>>> ... but as I'am also interested in testing the Open-MPI/CUDA feature (
>>> with potentially pgi-acc or open-acc directive ) I've 'googled' and finish in the
>> the Open-MPI 'trunck' .
>>> => this Open-MPI/CUDA feature will be only in the 1.9 serie or also on
>> 1.7/1.8 ?
>>
>> Good question.
>>
>> Rolf -- do you plan to bring cuda stuff to v1.7.x?
>>
>> --
> Yes, there currently is support in Open MPI 1.7 for CUDA. What is missing is some improvements for internode transfers over IB which I still plan to check into the trunk and then move over to 1.7.
> Hopefully within the next month or so.

Ok , thank you Rolf ,

... so for me, for a 'relatively stable' version, I thank it's I will better try to use the 1.7.X series no ?

REM : This CUDA on IB part will come, I suppose, with the next CUDA5.0 driver , not yet released ...

A+

Juan