[Mpi3-hybridpm] endpoint proposal
Pavan Balaji
balaji at mcs.anl.gov
Mon Oct 24 10:02:54 CDT 2011
Alexander,
These are orthogonal concepts. Users can certainly use them together,
but there is no reason to merge them.
-- Pavan
On 10/24/2011 05:25 AM, Supalov, Alexander wrote:
> Thanks. Has someone tried to look into #217 (helper threads) and #284 (endpoints) with the view on merging them? After all, threads attaching to the endpoints are almost, but not quite unlike helper threads given on "loan" to the MPI implementation. In the first case, the application is using the threads by itself. In the second case, the MPI is using threads for internal purposes. See the analogy? In both cases we let threads use or be used by MPI. Is this something one could possibly unite? They are being placed like on different sides of the boundary:
>
> Endpoints (#284):
>
> Application threads
> Endpoints
> Communication resources
>
> Helper threads (#217):
>
> [Endpoints]
> Internal threads
> Communication resources
>
> So, if we merge the pictures:
>
> Application threads
> Endpoints (#284)
> Internal threads (#217)
> Communication resources
>
> And what the unification would do is provide a way to convert the application threads into the internal threads and back. May be orthogonal, but certainly deserves a joint consideration.
>
> -----Original Message-----
> From: mpi3-hybridpm-bounces at lists.mpi-forum.org [mailto:mpi3-hybridpm-bounces at lists.mpi-forum.org] On Behalf Of Marc Snir
> Sent: Thursday, October 20, 2011 10:40 PM
> To: mpi3-hybridpm at lists.mpi-forum.org
> Subject: [Mpi3-hybridpm] endpoint proposal
>
> Slides and text for the endpoint proposal
>
>
>
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--
Pavan Balaji
http://www.mcs.anl.gov/~balaji
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