Matthew Bentham | 7c1603a | 2019-06-21 17:22:23 +0100 | [diff] [blame] | 1 | // |
| 2 | // Copyright © 2017 Arm Ltd. All rights reserved. |
| 3 | // SPDX-License-Identifier: MIT |
| 4 | // |
| 5 | #pragma once |
| 6 | |
Matteo Martincigh | e5b8eb9 | 2019-11-28 15:45:42 +0000 | [diff] [blame] | 7 | #include <armnn/backends/IMemoryManager.hpp> |
Matthew Bentham | 7c1603a | 2019-06-21 17:22:23 +0100 | [diff] [blame] | 8 | |
| 9 | #include <forward_list> |
| 10 | #include <vector> |
| 11 | |
| 12 | namespace armnn |
| 13 | { |
| 14 | |
| 15 | // An implementation of IMemoryManager to be used with RefTensorHandle |
| 16 | class RefMemoryManager : public IMemoryManager |
| 17 | { |
| 18 | public: |
| 19 | RefMemoryManager(); |
| 20 | virtual ~RefMemoryManager(); |
| 21 | |
| 22 | class Pool; |
| 23 | |
| 24 | Pool* Manage(unsigned int numBytes); |
| 25 | |
| 26 | void Allocate(Pool *pool); |
| 27 | |
| 28 | void* GetPointer(Pool *pool); |
| 29 | |
| 30 | void Acquire() override; |
| 31 | void Release() override; |
| 32 | |
| 33 | class Pool |
| 34 | { |
| 35 | public: |
| 36 | Pool(unsigned int numBytes); |
| 37 | ~Pool(); |
| 38 | |
| 39 | void Acquire(); |
| 40 | void Release(); |
| 41 | |
| 42 | void* GetPointer(); |
| 43 | |
| 44 | void Reserve(unsigned int numBytes); |
| 45 | |
| 46 | private: |
| 47 | unsigned int m_Size; |
| 48 | void* m_Pointer; |
| 49 | }; |
| 50 | |
| 51 | private: |
| 52 | RefMemoryManager(const RefMemoryManager&) = delete; // Noncopyable |
| 53 | RefMemoryManager& operator=(const RefMemoryManager&) = delete; // Noncopyable |
| 54 | |
| 55 | std::forward_list<Pool> m_Pools; |
| 56 | std::vector<Pool*> m_FreePools; |
| 57 | }; |
| 58 | |
| 59 | } |