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Subject: Re: [OMPI users] Support for CUDA and GPU-direct with OpenMPI 1.6.5 an 1.7.2
From: Michael Thomadakis (drmichaelt7777_at_[hidden])
Date: 2013-07-08 11:49:44


Thanks ...
Michael

On Mon, Jul 8, 2013 at 8:50 AM, Rolf vandeVaart <rvandevaart_at_[hidden]>wrote:

> With respect to the CUDA-aware support, Ralph is correct. The ability to
> send and receive GPU buffers is in the Open MPI 1.7 series. And
> incremental improvements will be added to the Open MPI 1.7 series. CUDA
> 5.0 is supported.****
>
> ** **
>
> ** **
>
> ** **
>
> *From:* users-bounces_at_[hidden] [mailto:users-bounces_at_[hidden]] *On
> Behalf Of *Ralph Castain
> *Sent:* Saturday, July 06, 2013 5:14 PM
> *To:* Open MPI Users
> *Subject:* Re: [OMPI users] Support for CUDA and GPU-direct with OpenMPI
> 1.6.5 an 1.7.2****
>
> ** **
>
> There was discussion of this on a prior email thread on the OMPI devel
> mailing list:****
>
> ** **
>
> http://www.open-mpi.org/community/lists/devel/2013/05/12354.php****
>
> ** **
>
> ** **
>
> On Jul 6, 2013, at 2:01 PM, Michael Thomadakis <drmichaelt7777_at_[hidden]>
> wrote:****
>
>
>
> ****
>
> thanks,****
>
> Do you guys have any plan to support Intel Phi in the future? That is,
> running MPI code on the Phi cards or across the multicore and Phi, as Intel
> MPI does?****
>
> thanks...****
>
> Michael****
>
> ** **
>
> On Sat, Jul 6, 2013 at 2:36 PM, Ralph Castain <rhc_at_[hidden]> wrote:***
> *
>
> Rolf will have to answer the question on level of support. The CUDA code
> is not in the 1.6 series as it was developed after that series went
> "stable". It is in the 1.7 series, although the level of support will
> likely be incrementally increasing as that "feature" series continues to
> evolve.****
>
>
>
> On Jul 6, 2013, at 12:06 PM, Michael Thomadakis <drmichaelt7777_at_[hidden]>
> wrote:
>
> > Hello OpenMPI,
> >
> > I am wondering what level of support is there for CUDA and GPUdirect on
> OpenMPI 1.6.5 and 1.7.2.
> >
> > I saw the ./configure --with-cuda=CUDA_DIR option in the FAQ. However,
> it seems that with configure v1.6.5 it was ignored.
> >
> > Can you identify GPU memory and send messages from it directly without
> copying to host memory first?
> >
> >
> > Or in general, what level of CUDA support is there on 1.6.5 and 1.7.2 ?
> Do you support SDK 5.0 and above?
> >
> > Cheers ...
> > Michael****
>
> > _______________________________________________
> > users mailing list
> > users_at_[hidden]
> > http://www.open-mpi.org/mailman/listinfo.cgi/users
>
>
> _______________________________________________
> users mailing list
> users_at_[hidden]
> http://www.open-mpi.org/mailman/listinfo.cgi/users****
>
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