| /* Copyright 2019 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_STREAM_EXECUTOR_ALLOCATOR_STATS_H_ |
| #define TENSORFLOW_STREAM_EXECUTOR_ALLOCATOR_STATS_H_ |
| |
| #include <string> |
| |
| #include "absl/types/optional.h" |
| #include "tensorflow/stream_executor/platform/port.h" |
| |
| namespace stream_executor { |
| |
| // Runtime statistics collected by an allocator. Exactly the same as |
| // tensorflow::AllocatorStats, but independently defined to preserve the mutual |
| // independence of StreamExecutor and TensorFlow. |
| struct AllocatorStats { |
| int64 num_allocs; // Number of allocations. |
| int64 bytes_in_use; // Number of bytes in use. |
| int64 peak_bytes_in_use; // The peak bytes in use. |
| int64 largest_alloc_size; // The largest single allocation seen. |
| |
| // The upper limit of bytes of user allocatable device memory, if such a limit |
| // is known. |
| absl::optional<int64> bytes_limit; |
| |
| // Stack related memory usage. |
| int64 bytes_reserved; // Number of bytes reserved on the stack. |
| int64 peak_bytes_reserved; // The peak number of bytes reserved on the stack. |
| // The upper limit on the number bytes of reservable memory on the stack, |
| // if such a limit is known. |
| absl::optional<int64> bytes_reservable_limit; |
| |
| AllocatorStats() |
| : num_allocs(0), |
| bytes_in_use(0), |
| peak_bytes_in_use(0), |
| largest_alloc_size(0), |
| bytes_reserved(0), |
| peak_bytes_reserved(0) {} |
| |
| string DebugString() const; |
| }; |
| |
| } // namespace stream_executor |
| |
| #endif // TENSORFLOW_STREAM_EXECUTOR_ALLOCATOR_STATS_H_ |