1 /* Copyright 2022 The TensorFlow Authors. All Rights Reserved. 2 3 Licensed under the Apache License, Version 2.0 (the "License"); 4 you may not use this file except in compliance with the License. 5 You may obtain a copy of the License at 6 7 http://www.apache.org/licenses/LICENSE-2.0 8 9 Unless required by applicable law or agreed to in writing, software 10 distributed under the License is distributed on an "AS IS" BASIS, 11 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 See the License for the specific language governing permissions and 13 limitations under the License. 14 ==============================================================================*/ 15 16 #ifndef TENSORFLOW_DTENSOR_MLIR_EXPANSIONS_SLICE_SPMD_EXPANDER_H_ 17 #define TENSORFLOW_DTENSOR_MLIR_EXPANSIONS_SLICE_SPMD_EXPANDER_H_ 18 19 #include "tensorflow/dtensor/cc/dstatus.h" 20 #include "tensorflow/dtensor/mlir/spmd_expander.h" 21 22 namespace tensorflow { 23 namespace dtensor { 24 25 class SliceSPMDExpander : public SPMDExpanderBase { 26 public: 27 StatusOr<mlir::Operation*> ExpandOp(mlir::Operation* op) override; 28 29 StatusOr<llvm::DenseMap<int, Layout>> ComputeLayoutForward( 30 mlir::Operation* op, 31 const llvm::DenseMap<int, Layout>& input_layouts) override; 32 33 StatusOr<llvm::DenseMap<int, Layout>> ComputeLayoutBackward( 34 mlir::Operation* op, 35 const llvm::DenseMap<int, Layout>& output_layouts) override; 36 }; 37 38 class StridedSliceSPMDExpander : public SPMDExpanderBase { 39 public: 40 StatusOr<mlir::Operation*> ExpandOp(mlir::Operation* op) override; 41 42 StatusOr<llvm::DenseMap<int, Layout>> ComputeLayoutForward( 43 mlir::Operation* op, 44 const llvm::DenseMap<int, Layout>& input_layouts) override; 45 46 StatusOr<llvm::DenseMap<int, Layout>> ComputeLayoutBackward( 47 mlir::Operation* op, 48 const llvm::DenseMap<int, Layout>& output_layouts) override; 49 }; 50 51 class TensorStridedSliceUpdateSPMDExpander : public SPMDExpanderBase { 52 public: 53 StatusOr<mlir::Operation*> ExpandOp(mlir::Operation* op) override; 54 55 StatusOr<llvm::DenseMap<int, Layout>> ComputeLayoutForward( 56 mlir::Operation* op, 57 const llvm::DenseMap<int, Layout>& input_layouts) override; 58 59 StatusOr<llvm::DenseMap<int, Layout>> ComputeLayoutBackward( 60 mlir::Operation* op, 61 const llvm::DenseMap<int, Layout>& output_layouts) override; 62 }; 63 64 class StridedSliceGradSPMDExpander : public SliceSPMDExpander { 65 public: 66 StatusOr<mlir::Operation*> ExpandOp(mlir::Operation* op) override; 67 68 StatusOr<llvm::DenseMap<int, Layout>> ComputeLayoutForward( 69 mlir::Operation* op, 70 const llvm::DenseMap<int, Layout>& input_layouts) override; 71 72 StatusOr<llvm::DenseMap<int, Layout>> ComputeLayoutBackward( 73 mlir::Operation* op, 74 const llvm::DenseMap<int, Layout>& output_layouts) override; 75 }; 76 77 } // namespace dtensor 78 } // namespace tensorflow 79 80 #endif // TENSORFLOW_DTENSOR_MLIR_EXPANSIONS_SLICE_SPMD_EXPANDER_H_ 81