June 2025 - mpiwg-hybridpm - mailman3.cels.anl.gov

Re: [mpiwg-hybridpm] Slides from today
by Patrick Bridges 25 Jun '25

25 Jun '25

Apologies, fixed slides attached. From: Patrick Bridges <patrickb(a)unm.edu> Date: Wednesday, June 25, 2025 at 9:48 AM To: Hybrid working group mailing list <mpiwg-hybridpm(a)lists.mpi-forum.org> Subject: Slides from today Attached, thanks for the input everyone. -Patrick

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Slides from today
by Patrick Bridges 25 Jun '25

25 Jun '25

Attached, thanks for the input everyone. -Patrick

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Re: [mpiwg-hybridpm] Wednesday discussion of MPI Stream Triggering Proposal
by Garzaran, Maria 25 Jun '25

25 Jun '25

Are we having this meeting today? The link does not seem to work for me https://urldefense.us/v3/__https://stonybrook.zoom.us/j/94345630810?pwd=OF8… Maria On Jun 23, 2025, at 4:06 PM, Patrick Bridges via mpiwg-hybridpm <mpiwg-hybridpm(a)lists.mpi-forum.org> wrote: This Message Is From an External Sender This message came from outside your organization. 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 _______________________________________________ mpiwg-hybridpm mailing list mpiwg-hybridpm(a)lists.mpi-forum.org<mailto:[email protected]> https://urldefense.us/v3/__https://lists.mpi-forum.org/mailman/listinfo/mpi…

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Meeting today
by Skjellum, Anthony 25 Jun '25

25 Jun '25

Here is the meeting link for today: https://urldefense.us/v3/__https://tntech.zoom.us/j/86485761734?pwd=TGlMT0t… [https://urldefense.us/v3/__https://us02st3.zoom.us/static/6.3.37865/image/t… ]<https://urldefense.us/v3/__https://tntech.zoom.us/j/86485761734?pwd=TGlMT0t… > Join our Cloud HD Video Meeting<https://urldefense.us/v3/__https://tntech.zoom.us/j/86485761734?pwd=TGlMT0t… > Zoom is the leader in modern enterprise cloud communications. tntech.zoom.us Anthony Skjellum, PhD Professor of Computer Science Director, Advanced Scalable Computing, Extreme Networks & Data (ASCEND) Center Tennessee Technological University email: askjellum(a)tntech.edu cell: +1-205-807-4968 ________________________________ From: Skjellum, Anthony Sent: Wednesday, June 18, 2025 8:31 AM To: Hybrid working group mailing list <mpiwg-hybridpm(a)lists.mpi-forum.org> Cc: Jim Dinan <james.dinan(a)gmail.com>; Hybrid working group mailing list <mpiwg-hybridpm(a)lists.mpi-forum.org>; Patrick Bridges <patrickb(a)unm.edu> Subject: Re: [mpiwg-hybridpm] No Topic Today Hi, we would like to meet next week — June 25 —with Patrick Bridges presenting our latest API proposals for stream-triggered comms to be made into a proposal for MPI-5.x as soon as feasible . Thank you Tony Anthony Skjellum, PhD 205-807-4968 On Jun 18, 2025, at 2:04 PM, Jim Dinan via mpiwg-hybridpm <mpiwg-hybridpm(a)lists.mpi-forum.org> wrote: EOM ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ZjQcmQRYFpfptBannerStart This Message Is From an External Sender This message came from outside your organization. ZjQcmQRYFpfptBannerEnd EOM _______________________________________________ mpiwg-hybridpm mailing list mpiwg-hybridpm(a)lists.mpi-forum.org https://urldefense.us/v3/__https://lists.mpi-forum.org/mailman/listinfo/mpi…

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Re: [mpiwg-hybridpm] Wednesday discussion of MPI Stream Triggering Proposal
by Jim Dinan 25 Jun '25

25 Jun '25

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(a)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 > ZjQcmQRYFpfptBannerStart > This Message Is From an External Sender > This message came from outside your organization. > > ZjQcmQRYFpfptBannerEnd > 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 > _______________________________________________ > mpiwg-hybridpm mailing list > mpiwg-hybridpm(a)lists.mpi-forum.org > https://urldefense.us/v3/__https://lists.mpi-forum.org/mailman/listinfo/mpi… >

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Wednesday discussion of MPI Stream Triggering Proposal
by Patrick Bridges 23 Jun '25

23 Jun '25

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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Re: [mpiwg-hybridpm] No Topic Today
by Skjellum, Anthony 18 Jun '25

18 Jun '25

Hi, we would like to meet next week — June 25 —with Patrick Bridges presenting our latest API proposals for stream-triggered comms to be made into a proposal for MPI-5.x as soon as feasible . Thank you Tony Anthony Skjellum, PhD 205-807-4968 On Jun 18, 2025, at 2:04 PM, Jim Dinan via mpiwg-hybridpm <mpiwg-hybridpm(a)lists.mpi-forum.org> wrote: EOM ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ZjQcmQRYFpfptBannerStart This Message Is From an External Sender This message came from outside your organization. ZjQcmQRYFpfptBannerEnd EOM _______________________________________________ mpiwg-hybridpm mailing list mpiwg-hybridpm(a)lists.mpi-forum.org https://urldefense.us/v3/__https://lists.mpi-forum.org/mailman/listinfo/mpi…

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No Topic Today
by Jim Dinan 18 Jun '25

18 Jun '25

EOM

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