1 /* Copyright 2015 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_GRAPH_DEFAULT_DEVICE_H_ 17 #define TENSORFLOW_CORE_GRAPH_DEFAULT_DEVICE_H_ 18 19 #include <string> 20 21 #include "tensorflow/core/framework/graph.pb.h" 22 #include "tensorflow/core/framework/node_def.pb.h" 23 24 namespace tensorflow { 25 namespace graph { 26 27 // Sets the default device for all nodes in graph_def to "device", 28 // only if not already set. SetDefaultDevice(const std::string & device,GraphDef * graph_def)29inline void SetDefaultDevice(const std::string& device, GraphDef* graph_def) { 30 for (int i = 0; i < graph_def->node_size(); ++i) { 31 auto node = graph_def->mutable_node(i); 32 if (node->device().empty()) { 33 node->set_device(device); 34 } 35 } 36 } 37 38 } // namespace graph 39 } // namespace tensorflow 40 41 #endif // TENSORFLOW_CORE_GRAPH_DEFAULT_DEVICE_H_ 42