| /* Copyright 2018 The TensorFlow Authors. All Rights Reserved. |
| |
| Licensed under the Apache License, Version 2.0 (the "License"); |
| you may not use this file except in compliance with the License. |
| You may obtain a copy of the License at |
| |
| http://www.apache.org/licenses/LICENSE-2.0 |
| |
| Unless required by applicable law or agreed to in writing, software |
| distributed under the License is distributed on an "AS IS" BASIS, |
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| See the License for the specific language governing permissions and |
| limitations under the License. |
| ==============================================================================*/ |
| #ifndef TENSORFLOW_CORE_COMMON_RUNTIME_DEVICE_RESOLVER_LOCAL_H_ |
| #define TENSORFLOW_CORE_COMMON_RUNTIME_DEVICE_RESOLVER_LOCAL_H_ |
| |
| #include <string> |
| |
| #include "tensorflow/core/framework/collective.h" |
| #include "tensorflow/core/framework/device_attributes.pb.h" |
| |
| namespace tensorflow { |
| class DeviceMgr; |
| |
| // Implements DeviceResolverInterface in a single-task context. |
| class DeviceResolverLocal : public DeviceResolverInterface { |
| public: |
| DeviceResolverLocal(const DeviceMgr* dev_mgr) : dev_mgr_(dev_mgr) {} |
| |
| virtual ~DeviceResolverLocal() {} |
| |
| void GetAllDeviceAttributesAsync(const std::vector<string>& devices, |
| const std::vector<string>& tasks, |
| std::vector<DeviceAttributes>* attributes, |
| const StatusCallback& done) override; |
| |
| void GetDeviceAttributesAsync(const string& device, const string& task, |
| DeviceAttributes* attributes, |
| const StatusCallback& done) override; |
| |
| Status GetTaskCached(const string& task, |
| std::vector<DeviceAttributes>* attributes) override; |
| |
| void ClearTask(const string& task) override {} |
| |
| void ClearCache() override {} |
| |
| protected: |
| const DeviceMgr* dev_mgr_; |
| }; |
| |
| } // namespace tensorflow |
| #endif // TENSORFLOW_CORE_COMMON_RUNTIME_DEVICE_RESOLVER_LOCAL_H_ |