I can respond next Monday when back in office !

Anthony Skjellum, PhD
205-807-4968


On Mar 21, 2025, at 4:31 PM, Wes Bland via mpi-forum 
<mpi-forum@lists.mpi-forum.org> wrote:


Hi folks, During the meeting in Stuttgart, we discovered some weirdness where 
we thought MPI_Psend_init_c and MPI_Precv_init_c should have been present in 
MPI 4. 1, but weren’t. Failing to find any reason why that was true, we assumed 
it was
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Hi folks,

During the meeting in Stuttgart, we discovered some weirdness where we thought 
MPI_Psend_init_c and MPI_Precv_init_c should have been present in MPI 4.1, but 
weren’t. Failing to find any reason why that was true, we assumed it was a 
problem with a Git merge and I replayed those changes in PRs 
1108<https://urldefense.us/v3/__https://github.com/mpi-forum/mpi-standard/pull/1108__;!!G_uCfscf7eWS!a20iTalXn_C0bOMKPyz0gvkt1EUZU9dNh3gKXCDNC8EsxBGNhAAr0QqU6p8I3K5cJ4rx08URwAhuFtG_Yk41KecM$>
 and 
1110<https://urldefense.us/v3/__https://github.com/mpi-forum/mpi-standard/pull/1110__;!!G_uCfscf7eWS!a20iTalXn_C0bOMKPyz0gvkt1EUZU9dNh3gKXCDNC8EsxBGNhAAr0QqU6p8I3K5cJ4rx08URwAhuFtG_YlFRmLUY$>.

Yesterday, Ken found the place where we had discussed these specific topics in 
October, 2023 and decided not to put them in MPI 4.1 
here<https://urldefense.us/v3/__https://github.com/mpi-forum/mpi-issues/issues/765*issuecomment-1758066905__;Iw!!G_uCfscf7eWS!a20iTalXn_C0bOMKPyz0gvkt1EUZU9dNh3gKXCDNC8EsxBGNhAAr0QqU6p8I3K5cJ4rx08URwAhuFtG_YgZKqDk2$>.
 At that time, we decided to push them out of 4.1 and address them later (which 
we never circled back to do) and removed the changes 
here<https://urldefense.us/v3/__https://github.com/mpi-forum/mpi-standard/pull/932__;!!G_uCfscf7eWS!a20iTalXn_C0bOMKPyz0gvkt1EUZU9dNh3gKXCDNC8EsxBGNhAAr0QqU6p8I3K5cJ4rx08URwAhuFtG_YkacfKMF$>.

Now that we know what happened there, I’m going to revert the PRs to put these 
changes back in and put us back to the situation we were in before the RCM and 
put this back in the Forum’s queue to discuss at some point post-MPI 5.0. You 
can find the PR for that 
here<https://urldefense.us/v3/__https://github.com/mpi-forum/mpi-standard/pull/1113__;!!G_uCfscf7eWS!a20iTalXn_C0bOMKPyz0gvkt1EUZU9dNh3gKXCDNC8EsxBGNhAAr0QqU6p8I3K5cJ4rx08URwAhuFtG_Yk0-V5ni$>.

I’ll leave that up for a few days before proposing it gets merged just so 
everyone has a chance to take a look.

Sorry about all the mess. Hopefully we’re all back to the point that we 
previously agreed on.

Thanks,
Wes
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