| /* Copyright 2017 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_GPU_GPU_CUDAMALLOC_ALLOCATOR_H_ |
| #define TENSORFLOW_CORE_COMMON_RUNTIME_GPU_GPU_CUDAMALLOC_ALLOCATOR_H_ |
| |
| #include <memory> |
| |
| #include "tensorflow/core/common_runtime/gpu/gpu_id.h" |
| #include "tensorflow/core/framework/allocator.h" |
| #include "tensorflow/core/platform/macros.h" |
| #include "tensorflow/core/platform/stream_executor.h" |
| #include "tensorflow/core/platform/types.h" |
| |
| namespace tensorflow { |
| |
| // An allocator that wraps a GPU allocator and adds debugging |
| // functionality that verifies that users do not write outside their |
| // allocated memory. |
| class GPUcudaMallocAllocator : public Allocator { |
| public: |
| explicit GPUcudaMallocAllocator(Allocator* allocator, |
| PlatformGpuId platform_gpu_id); |
| ~GPUcudaMallocAllocator() override; |
| string Name() override { return "gpu_debug"; } |
| void* AllocateRaw(size_t alignment, size_t num_bytes) override; |
| void DeallocateRaw(void* ptr) override; |
| bool TracksAllocationSizes() const override; |
| absl::optional<AllocatorStats> GetStats() override; |
| |
| private: |
| Allocator* base_allocator_ = nullptr; // owned |
| |
| se::StreamExecutor* stream_exec_; // Not owned. |
| |
| TF_DISALLOW_COPY_AND_ASSIGN(GPUcudaMallocAllocator); |
| }; |
| |
| } // namespace tensorflow |
| |
| #endif // TENSORFLOW_CORE_COMMON_RUNTIME_GPU_GPU_CUDAMALLOC_ALLOCATOR_H_ |