[mpiwg-hybridpm] Wednesday discussion of MPI Stream Triggering Proposal

[Jim Dinan]

Hi Folks,

There's an issue with today's zoom meeting, please standby...

 ~Jim.

On Mon, Jun 23, 2025 at 5:06 PM Patrick Bridges via mpiwg-hybridpm <
mpiwg-hybridpm at lists.mpi-forum.org> wrote:

> As many of you know, I’ve been chipping away at two-sided MPI stream
> triggereing concept after studying what others (MPICH, HPE, MPI-ACX, etc)
> have come up with and the issues with implementing things on modern
> communication hardware (e. g. HPE
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> As many of you know, I’ve been chipping away at two-sided MPI stream
> triggereing concept after studying what others (MPICH, HPE, MPI-ACX, etc)
> have come up with and the issues with implementing things on modern
> communication hardware (e.g. HPE Slingshot). I’ve bounced these ideas with
> a variety of folks, and I think they’re ready for more feedback from the
> hybrid working group at this point. TO that end, I’d like to present some
> of my ideas at this coming Wednesday’s meeting, and invite people to come,
> listen, provide feedback, or just generally heckle if they prefer. I’ll be
> presenting:
>
>    1. Some of the basic principles/requiremnets we’ve put together
>    stream-triggered MPI two-sided communication
>    2. A first cut API that seeks to provide a simple interface to
>    two-sided stream triggereing and that can also be implemented efficiencly
>    on modern hardware
>    3. Example communication sequences (e.g. ping pongs, halo exchanges)
>    that use these APIs
>    4. Potential issues that need to be addressed, some illustrated using
>    different potential variants of these interfaces.
>
> Hope to see everyone Wednesday at the hybrid working group meeting.
>
> Thanks,
>
> Patrick
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