[all-commits] [llvm/llvm-project] b7d86f: [mlir][sparse] revert optimization for dense->csc ...

[PeimingLiu via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: b7d86f3f1cfc8f7a0ac9e83d87767a4dac3832a0
      https://github.com/llvm/llvm-project/commit/b7d86f3f1cfc8f7a0ac9e83d87767a4dac3832a0
  Author: Peiming Liu <peiming at google.com>
  Date:   2023-02-21 (Tue, 21 Feb 2023)

  Changed paths:
    M mlir/lib/Dialect/SparseTensor/Transforms/SparseTensorRewriting.cpp
    M mlir/test/Dialect/SparseTensor/convert_dense2sparse.mlir

  Log Message:
  -----------
  [mlir][sparse] revert optimization for dense->csc conversion.

Eliminates the sort seems make the whole conversion slower (probably because loop rotation leads to bad locality).

Reviewed By: aartbik

Differential Revision: https://reviews.llvm.org/D144517