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 #include "tensorflow/core/common_runtime/gpu/gpu_init.h" 17 18 #include <string> 19 20 #include "tensorflow/core/lib/core/errors.h" 21 #include "tensorflow/core/lib/strings/numbers.h" 22 #include "tensorflow/core/lib/strings/str_util.h" 23 #include "tensorflow/core/lib/strings/strcat.h" 24 #include "tensorflow/core/platform/logging.h" 25 #include "tensorflow/core/platform/stream_executor.h" 26 #include "tensorflow/core/platform/types.h" 27 #include "tensorflow/core/util/stream_executor_util.h" 28 29 namespace tensorflow { 30 ValidateGPUMachineManager()31Status ValidateGPUMachineManager() { 32 return se::MultiPlatformManager::PlatformWithName(GpuPlatformName()).status(); 33 } 34 GPUMachineManager()35se::Platform* GPUMachineManager() { 36 auto result = se::MultiPlatformManager::PlatformWithName(GpuPlatformName()); 37 if (!result.ok()) { 38 LOG(FATAL) << "Could not find Platform with name " << GpuPlatformName(); 39 return nullptr; 40 } 41 42 return result.ValueOrDie(); 43 } 44 GpuPlatformName()45string GpuPlatformName() { 46 #if TENSORFLOW_USE_ROCM 47 return "ROCM"; 48 #else 49 // This function will return "CUDA" even when building TF without GPU support 50 // This is done to preserve existing functionality 51 return "CUDA"; 52 #endif 53 } 54 55 } // namespace tensorflow 56