[all-commits] [llvm/llvm-project] a6929f: [mlir][shard, mpi] Allowing 2d-grids and simplifyin...

[Frank Schlimbach via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: a6929f7937696bb07788be6428fdcf1bf36775b5
      https://github.com/llvm/llvm-project/commit/a6929f7937696bb07788be6428fdcf1bf36775b5
  Author: Frank Schlimbach <frank.schlimbach at intel.com>
  Date:   2026-02-10 (Tue, 10 Feb 2026)

  Changed paths:
    M mlir/include/mlir/Dialect/MPI/IR/MPIOps.td
    M mlir/lib/Conversion/ShardToMPI/ShardToMPI.cpp
    M mlir/lib/Dialect/Shard/Transforms/Partition.cpp
    M mlir/test/Conversion/ShardToMPI/convert-shard-to-mpi.mlir
    M mlir/test/Dialect/Shard/partition.mlir

  Log Message:
  -----------
  [mlir][shard,mpi] Allowing 2d-grids and simplifying lowering shard.all_gather (#180243)

- fixing incorrect assertion and related function name
- MPI_comm_split is not pure
- simplifying/standardizing permutation in all_gather

---------

Co-authored-by: Rolf Morel <rolfmorel at gmail.com>



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