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Patrick Toulme

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Jun 2, 2024, 4:54:21 PMJun 2
to OpenXLA Discuss
Hello, 
I have opened four issues today for some bugs I have found in the past couple months for discussion. 

1. SPMD Partitioner Gather/Scatter is hardcoded to IndexParallel Strategy - https://github.com/openxla/xla/issues/13304
2. AllGather Combiner Coalesces different dtypes together - https://github.com/openxla/xla/issues/13305
3. SPMD Partitioner HandleReshape Unoptimally Splits Sharding in some cases - mainly in gradient accumulation case- https://github.com/openxla/xla/issues/13306
4. xla::gpu::ReduceScatterCreator misses one pattern - https://github.com/openxla/xla/issues/13307

I have fixes for these locally in my local fork, and I can try to upstream them unless others have easier solution. I also will be making PRs for some HLO passes I have written locally. 

Regards, 
Patrick Toulme

Amazon Web Services

George Karpenkov

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Jun 3, 2024, 4:36:42 AMJun 3
to Patrick Toulme, Frederik Gossen, Greg Olechwierowicz, OpenXLA Discuss
NOTE: External mailing list.

+Frederik Gossen +Greg Olechwierowicz 

Makes sense to me, thanks!

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