Burlen Loring

@wenduwan would it make sense to use a different mca parameter name to avoid confusion with the original use of the mca fan out parameters? while these features are not...

> @burlen I'm actually fuzzy on the difference between fanout vs radix. Do you mind providing clarity on the terminology? @wenduwan The Bruck algorithm completes in logarithmic number of rounds....

> For fan-out vs radix, do you see a case where both can be used together? Since faninout is not even currently used in any of the alltoall implementations, I...

@janjust @jsquyres could one of you give a review? or advise on who could? I'm reaching out to you as you are tagged on the issue (#12589). for context. On...

no new changes. I rebased from main so that this patch doesn't fall too far behind. Here's rules file that I used to test on TACC Vista's Grace-Hopper partition. [vista_gh_rules.txt](https://github.com/user-attachments/files/17531630/vista_gh_rules.txt)...

failed test in CI run above is not related to the patch but rather one of the CI systems being offline

> My main concern here is what is happening with an older version (let's say based on the 4.x) reading a configuration file that does contain this extra value ?...

> Wenduo and I discussed an idea to re-implement a tuning file format in json I find Yaml to be a bit easier to write than Json. It's personal preference...

> Assuming we have 2 correct rules from an old configuration file here are the tokens that will exists in the configuration file: > > ``` > 1024 0 2...

> We will have a similar issue if we are reading a new file with the old parser. Here I added a max request at the end of each message...