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Hi all, since this issue originated from me, I'd like to partake in this discussion. However, I won't be available that Wednesday - would it be possible to move that discussion by two weeks? -Michael On 18. 03. 25 09: 15, Christoph Niethammer via</div>
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<meta charset="UTF-8"></head><body><pre style="font-family: sans-serif; font-size: 100%; white-space: pre-wrap; word-wrap: break-word">Hi all,
since this issue originated from me, I'd like to partake in this discussion.
However, I won't be available that Wednesday - would it be possible to
move that discussion by two weeks?
-Michael
On 18.03.25 09:15, Christoph Niethammer via mpiwg-coll wrote:
> Hello everyone, During the preparation for the FRM, a question was
> raised regarding whether and how the semantics of collectives apply to
> neighborhood collectives. [1] This question stemmed from remark 18) in
> the summary table in Appendix A. 2,
> ZjQcmQRYFpfptBannerStart
> This Message Is From an External Sender
> This message came from outside your organization.
> ZjQcmQRYFpfptBannerEnd
>
> Hello everyone,
>
> During the preparation for the FRM, a question was raised regarding
> whether and how the semantics of collectives apply to neighborhood collectives. [1]
> This question stemmed from remark 18) in the summary table in Appendix A.2,
> which was used to apply the semantics of collectives to neighbourhood
> collectives at this place.
>
> The discussions expanded during the March meeting to the question of whether remark 18,
> stating that "all-to-all collectives *must* synchronize (with some restrictions)",
> is correct. [2]
>
> I would like to invite you all to discuss these two issues in more detail during a
> Topologies WG meeting on March 27th at 15:00, as part of our regular WG slot.
>
> Best regards
> Christoph Niethammer
>
> [1]<a href="https://urldefense.us/v3/__https://github.com/mpi-forum/mpi-issues/
>">https://urldefense.us/v3/__https://github.com/mpi-forum/mpi-issues/
></a>issues/863__;!!G_uCfscf7eWS!
> bXJwdG3RtF0MdGw0QAMjZVF1sad4zQjeHWvBvjYQ267CUAhijbGZ2ubZ4EGm-
> Ya7dV-0A9lhwHo_ArVzfgkvcKloLUphvio$ <<a href="https://urldefense.us/v3/__https://github.com/mpi-forum/mpi-issues/issues/863__;!!G_uCfscf7eWS!bXJwdG3RtF0MdGw0QAMjZVF1sad4zQjeHWvBvjYQ267CUAhijbGZ2ubZ4EGm-Ya7dV-0A9lhwHo_ArVzfgkvcKloLUphvio$>
>">https://urldefense.us/v3/__https://github.com/mpi-forum/mpi-issues/issues/863__;!!G_uCfscf7eWS!bXJwdG3RtF0MdGw0QAMjZVF1sad4zQjeHWvBvjYQ267CUAhijbGZ2ubZ4EGm-Ya7dV-0A9lhwHo_ArVzfgkvcKloLUphvio$>
></a>[2]<a href="https://urldefense.us/v3/__https://github.com/mpi-forum/mpi-issues/
>">https://urldefense.us/v3/__https://github.com/mpi-forum/mpi-issues/
></a>issues/971__;!!G_uCfscf7eWS!
> bXJwdG3RtF0MdGw0QAMjZVF1sad4zQjeHWvBvjYQ267CUAhijbGZ2ubZ4EGm-
> Ya7dV-0A9lhwHo_ArVzfgkvcKloZzTfPuE$ <<a href="https://urldefense.us/v3/__https://github.com/mpi-forum/mpi-issues/issues/971__;!!G_uCfscf7eWS!bXJwdG3RtF0MdGw0QAMjZVF1sad4zQjeHWvBvjYQ267CUAhijbGZ2ubZ4EGm-Ya7dV-0A9lhwHo_ArVzfgkvcKloZzTfPuE$>
>
>">https://urldefense.us/v3/__https://github.com/mpi-forum/mpi-issues/issues/971__;!!G_uCfscf7eWS!bXJwdG3RtF0MdGw0QAMjZVF1sad4zQjeHWvBvjYQ267CUAhijbGZ2ubZ4EGm-Ya7dV-0A9lhwHo_ArVzfgkvcKloZzTfPuE$>
>
></a>--
>
> Dr.-Ing. Christoph Niethammer
> High Performance Computing Center Stuttgart (HLRS)
> Nobelstrasse 19
> 70569 Stuttgart
>
> Tel: ++49(0)711-685-87203
> email: christoph.niethammer@hlrs.de
> <a href="https://urldefense.us/v3/__https://www.hlrs.de/people/christoph-
>">https://urldefense.us/v3/__https://www.hlrs.de/people/christoph-
></a>niethammer__;!!G_uCfscf7eWS!
> bXJwdG3RtF0MdGw0QAMjZVF1sad4zQjeHWvBvjYQ267CUAhijbGZ2ubZ4EGm-
> Ya7dV-0A9lhwHo_ArVzfgkvcKloXDSI65g$ <<a href="https://urldefense.us/v3/__https://www.hlrs.de/people/christoph-niethammer__;!!G_uCfscf7eWS!bXJwdG3RtF0MdGw0QAMjZVF1sad4zQjeHWvBvjYQ267CUAhijbGZ2ubZ4EGm-Ya7dV-0A9lhwHo_ArVzfgkvcKloXDSI65g$>
>
>
>">https://urldefense.us/v3/__https://www.hlrs.de/people/christoph-niethammer__;!!G_uCfscf7eWS!bXJwdG3RtF0MdGw0QAMjZVF1sad4zQjeHWvBvjYQ267CUAhijbGZ2ubZ4EGm-Ya7dV-0A9lhwHo_ArVzfgkvcKloXDSI65g$>
>
>
></a>_______________________________________________
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--
Michael Knobloch
Jülich Supercomputing Centre (JSC)
Institute for Advanced Simulation (IAS)
Telefon +49 2461 61-3546
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Forschungszentrum Jülich GmbH
52425 Jülich
Sitz der Gesellschaft: Jülich
Eingetragen im Handelsregister des Amtsgerichts Düren Nr. HR B 3498
Vorsitzender des Aufsichtsrats: MinDir Stefan Müller
Geschäftsführung: Prof. Dr. Astrid Lambrecht (Vorsitzende),
Dr. Stephanie Bauer (stellv. Vorsitzende),
Prof. Dr. Ir. Pieter Jansens, Prof. Dr. Laurens Kuipers
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