[RFC] Add collective_broadcast to the StableHLO specification

[Chase Roberts US]

Hi everyone,

I've posted an RFC for adding collective_broadcast as a collective communication primitive to the StableHLO specification. Please take a look and feel free to leave and constructive comments.

https://github.com/openxla/stablehlo/pull/1809

Best,

Chase

[Kevin Gleason]

Hi everyone,

Thank you Chase for the RFC, and thank you to all who left feedback on the GitHub PR! Given that a sufficient amount of time has passed, and all open feedback has been addressed, this RFC is now approved. I will approve and merge #1809 shortly. Feel free to send any PRs which implement this RFC on GH, and let me know if you have any questions along the way!

Best,

Kevin