Narumol Prangnawarat | 867eba5 | 2020-02-03 12:29:56 +0000 | [diff] [blame] | 1 | // |
| 2 | // Copyright © 2020 Arm Ltd. All rights reserved. |
| 3 | // SPDX-License-Identifier: MIT |
| 4 | // |
| 5 | #pragma once |
| 6 | |
| 7 | #include <armnn/backends/IMemoryManager.hpp> |
| 8 | |
| 9 | #include <forward_list> |
| 10 | #include <vector> |
| 11 | |
Jan Eilers | c84e45d | 2020-08-19 14:14:36 +0100 | [diff] [blame] | 12 | namespace sdb // sample dynamic backend |
Narumol Prangnawarat | 867eba5 | 2020-02-03 12:29:56 +0000 | [diff] [blame] | 13 | { |
| 14 | |
| 15 | // An implementation of IMemoryManager to be used with SampleTensorHandle |
Jan Eilers | c84e45d | 2020-08-19 14:14:36 +0100 | [diff] [blame] | 16 | class SampleMemoryManager : public armnn::IMemoryManager |
Narumol Prangnawarat | 867eba5 | 2020-02-03 12:29:56 +0000 | [diff] [blame] | 17 | { |
| 18 | public: |
| 19 | SampleMemoryManager(); |
| 20 | virtual ~SampleMemoryManager(); |
| 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 | SampleMemoryManager(const SampleMemoryManager&) = delete; // Noncopyable |
| 53 | SampleMemoryManager& operator=(const SampleMemoryManager&) = delete; // Noncopyable |
| 54 | |
| 55 | std::forward_list<Pool> m_Pools; |
| 56 | std::vector<Pool*> m_FreePools; |
| 57 | }; |
| 58 | |
Jan Eilers | c84e45d | 2020-08-19 14:14:36 +0100 | [diff] [blame] | 59 | } // namespace sdb |