1 /* Copyright 2017 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_GRAPPLER_DEVICES_H_ 17 #define TENSORFLOW_GRAPPLER_DEVICES_H_ 18 19 #include <functional> 20 21 #include "tensorflow/core/lib/core/status.h" 22 #include "tensorflow/core/lib/core/threadpool.h" 23 #include "tensorflow/core/platform/types.h" 24 25 namespace tensorflow { 26 namespace grappler { 27 28 // Get the number of available GPUs whose number of multiprocessors is no less 29 // than 8. 30 int GetNumAvailableGPUs(); 31 32 // Maximum amount of gpu memory available per gpu. gpu_id must be in the range 33 // [0, num_available_gpu) 34 int64 AvailableGPUMemory(int gpu_id); 35 36 // Get the number of logical CPU cores (aka hyperthreads) available. 37 int GetNumAvailableLogicalCPUCores(); 38 39 } // end namespace grappler 40 } // end namespace tensorflow 41 42 #endif // TENSORFLOW_GRAPPLER_DEVICES_H_ 43
