XLA Passes Document

[Alexander Pivovarov]

Hello Everyone

I looked at the xla/docs folder and can not find a document describing XLA passes.

Do we need such document?

I started working on it and uploaded draft version to the following location

https://github.com/apivovarov/openxla-xla/blob/passes_doc/docs/passes.md

Let me know what you think

Thank you

Alex P

[Elliot English]

Hi Alexander,

Thank you for putting this together. We're working to add more software architecture documentation currently and your XLA passes would complement this well. If you can get a PR for a first version with even partial coverage, we can iterate to fill it out.

Thanks,

Elliot

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[George Karpenkov]

Hey,

We have an XLA:GPU architecture doc, which I've just realized could be more openly shared at openxla.org: https://docs.google.com/document/d/18duKRu45q1Ie81EHliUJNOFXJGOVZVCXd0vA9IR_6xo/edit#heading=h.ygrgp28d9zpb 

Indeed, having something like this in a markdown format would be very helpful.

There's also my talk presenting these layers: https://www.youtube.com/watch?v=xGxq0pueAXE 

George

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[Alexander Pivovarov]

Hey George, hey Eliot

I just opened PR-11636 which adds docs/passes.md. It:

- lists all xla pases

- adds description to the first several passes

https://github.com/openxla/xla/pull/11636

Alex