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,
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>
> 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]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$>
>[2]https://urldefense.us/v3/__https://github.com/mpi-forum/mpi-issues/
>issues/971__;!!G_uCfscf7eWS!
> bXJwdG3RtF0MdGw0QAMjZVF1sad4zQjeHWvBvjYQ267CUAhijbGZ2ubZ4EGm-
> Ya7dV-0A9lhwHo_ArVzfgkvcKloZzTfPuE$ <https://urldefense.us/v3/__https://github.com/mpi-forum/mpi-issues/issues/971__;!!G_uCfscf7eWS!bXJwdG3RtF0MdGw0QAMjZVF1sad4zQjeHWvBvjYQ267CUAhijbGZ2ubZ4EGm-Ya7dV-0A9lhwHo_ArVzfgkvcKloZzTfPuE$>
>
>--
>
> 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
> https://urldefense.us/v3/__https://www.hlrs.de/people/christoph-
>niethammer__;!!G_uCfscf7eWS!
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>
>
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--
Michael Knobloch
Jülich Supercomputing Centre      (JSC)
Institute for Advanced Simulation (IAS)
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Forschungszentrum Jülich GmbH
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Sitz der Gesellschaft: Jülich
Eingetragen im Handelsregister des Amtsgerichts Düren Nr. HR B 3498
Vorsitzender des Aufsichtsrats: MinDir Stefan Müller
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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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