1 /* Copyright 2016 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_CORE_KERNELS_INPLACE_OPS_FUNCTOR_H_ 17 #define TENSORFLOW_CORE_KERNELS_INPLACE_OPS_FUNCTOR_H_ 18 19 #include "tensorflow/core/framework/tensor.h" 20 #include "tensorflow/core/lib/core/status.h" 21 22 namespace tensorflow { 23 namespace functor { 24 25 template <typename Device> 26 Status DoParallelConcat(const Device& device, const Tensor& value, int32_t loc, 27 Tensor* output); 28 29 // Inplace update/add/sub values in 'y'. It computes 30 // y[i, :] = v if op is I_UPDATE 31 // y[i, :] += v if op is I_ADD 32 // y[i, :] -= v if op is I_SUB 33 // Returns an error if the operation fails. 34 enum InplaceOpType { 35 I_UPDATE, // x = y 36 I_ADD, // x += y 37 I_SUB, // x -= y 38 }; 39 template <typename Device> 40 Status DoInplace(const Device& device, InplaceOpType op, const Tensor& i, 41 const Tensor& v, Tensor* y); 42 // Copies x into y. 43 template <typename Device> 44 Status DoCopy(const Device& device, const Tensor& x, Tensor* y); 45 46 } // end namespace functor 47 } // end namespace tensorflow 48 49 #endif // TENSORFLOW_CORE_KERNELS_INPLACE_OPS_FUNCTOR_H_ 50