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_COMMON_RUNTIME_THREADPOOL_DEVICE_H_ |
17 | #define TENSORFLOW_CORE_COMMON_RUNTIME_THREADPOOL_DEVICE_H_ |
18 | |
19 | #include "tensorflow/core/common_runtime/device_factory.h" |
20 | #include "tensorflow/core/common_runtime/local_device.h" |
21 | #include "tensorflow/core/common_runtime/node_file_writer.h" |
22 | |
23 | namespace tensorflow { |
24 | |
25 | // CPU device implementation. |
26 | class ThreadPoolDevice : public LocalDevice { |
27 | public: |
28 | ThreadPoolDevice(const SessionOptions& options, const string& name, |
29 | Bytes memory_limit, const DeviceLocality& locality, |
30 | Allocator* allocator); |
31 | ~ThreadPoolDevice() override; |
32 | |
33 | Allocator* GetAllocator(AllocatorAttributes attr) override; |
34 | Allocator* GetScopedAllocator(AllocatorAttributes attr, |
35 | int64_t step_id) override; |
36 | ScopedAllocatorMgr* GetScopedAllocatorMgr() const override { |
37 | return scoped_allocator_mgr_.get(); |
38 | } |
39 | Status MakeTensorFromProto(const TensorProto& tensor_proto, |
40 | const AllocatorAttributes alloc_attrs, |
41 | Tensor* tensor) override; |
42 | void CopyTensorInSameDevice(const Tensor* input_tensor, Tensor* output_tensor, |
43 | const DeviceContext* device_context, |
44 | StatusCallback done) override; |
45 | |
46 | Status Sync() override { return OkStatus(); } |
47 | |
48 | void Compute(OpKernel* op_kernel, OpKernelContext* context) override; |
49 | void ComputeAsync(AsyncOpKernel* op_kernel, OpKernelContext* context, |
50 | AsyncOpKernel::DoneCallback done) override; |
51 | |
52 | private: |
53 | void LogInputs(OpKernel* op_kernel, OpKernelContext* context); |
54 | void LogOutputs(OpKernel* op_kernel, OpKernelContext* context); |
55 | |
56 | Allocator* allocator_; // Not owned |
57 | std::unique_ptr<ScopedAllocatorMgr> scoped_allocator_mgr_; |
58 | NodeFileWriter* node_file_writer_ = nullptr; // not owned |
59 | }; |
60 | |
61 | } // namespace tensorflow |
62 | |
63 | #endif // TENSORFLOW_CORE_COMMON_RUNTIME_THREADPOOL_DEVICE_H_ |
64 | |