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 | |
James Conroy | 1f58f03 | 2021-04-27 17:13:27 +0100 | [diff] [blame] | 7 | #include <backendsCommon/TensorHandle.hpp> |
Narumol Prangnawarat | 867eba5 | 2020-02-03 12:29:56 +0000 | [diff] [blame] | 8 | |
| 9 | #include "SampleMemoryManager.hpp" |
| 10 | |
Jan Eilers | c84e45d | 2020-08-19 14:14:36 +0100 | [diff] [blame] | 11 | namespace sdb // sample dynamic backend |
Narumol Prangnawarat | 867eba5 | 2020-02-03 12:29:56 +0000 | [diff] [blame] | 12 | { |
| 13 | |
| 14 | // An implementation of ITensorHandle with simple "bump the pointer" memory-management behaviour |
Jan Eilers | c84e45d | 2020-08-19 14:14:36 +0100 | [diff] [blame] | 15 | class SampleTensorHandle : public armnn::ITensorHandle |
Narumol Prangnawarat | 867eba5 | 2020-02-03 12:29:56 +0000 | [diff] [blame] | 16 | { |
| 17 | public: |
Jan Eilers | c84e45d | 2020-08-19 14:14:36 +0100 | [diff] [blame] | 18 | SampleTensorHandle(const armnn::TensorInfo& tensorInfo, std::shared_ptr<SampleMemoryManager> &memoryManager); |
Narumol Prangnawarat | 867eba5 | 2020-02-03 12:29:56 +0000 | [diff] [blame] | 19 | |
Jan Eilers | c84e45d | 2020-08-19 14:14:36 +0100 | [diff] [blame] | 20 | SampleTensorHandle(const armnn::TensorInfo& tensorInfo, armnn::MemorySourceFlags importFlags); |
Narumol Prangnawarat | 867eba5 | 2020-02-03 12:29:56 +0000 | [diff] [blame] | 21 | |
| 22 | ~SampleTensorHandle(); |
| 23 | |
| 24 | virtual void Manage() override; |
| 25 | |
| 26 | virtual void Allocate() override; |
| 27 | |
| 28 | virtual ITensorHandle* GetParent() const override |
| 29 | { |
| 30 | return nullptr; |
| 31 | } |
| 32 | |
| 33 | virtual const void* Map(bool /* blocking = true */) const override; |
| 34 | using ITensorHandle::Map; |
| 35 | |
| 36 | virtual void Unmap() const override |
| 37 | {} |
| 38 | |
Jan Eilers | c84e45d | 2020-08-19 14:14:36 +0100 | [diff] [blame] | 39 | armnn::TensorShape GetStrides() const override |
Narumol Prangnawarat | 867eba5 | 2020-02-03 12:29:56 +0000 | [diff] [blame] | 40 | { |
| 41 | return GetUnpaddedTensorStrides(m_TensorInfo); |
| 42 | } |
| 43 | |
Jan Eilers | c84e45d | 2020-08-19 14:14:36 +0100 | [diff] [blame] | 44 | armnn::TensorShape GetShape() const override |
Narumol Prangnawarat | 867eba5 | 2020-02-03 12:29:56 +0000 | [diff] [blame] | 45 | { |
| 46 | return m_TensorInfo.GetShape(); |
| 47 | } |
| 48 | |
Jan Eilers | c84e45d | 2020-08-19 14:14:36 +0100 | [diff] [blame] | 49 | const armnn::TensorInfo& GetTensorInfo() const |
Narumol Prangnawarat | 867eba5 | 2020-02-03 12:29:56 +0000 | [diff] [blame] | 50 | { |
| 51 | return m_TensorInfo; |
| 52 | } |
| 53 | |
Jan Eilers | c84e45d | 2020-08-19 14:14:36 +0100 | [diff] [blame] | 54 | virtual armnn::MemorySourceFlags GetImportFlags() const override |
Narumol Prangnawarat | 867eba5 | 2020-02-03 12:29:56 +0000 | [diff] [blame] | 55 | { |
| 56 | return m_ImportFlags; |
| 57 | } |
| 58 | |
Jan Eilers | c84e45d | 2020-08-19 14:14:36 +0100 | [diff] [blame] | 59 | virtual bool Import(void* memory, armnn::MemorySource source) override; |
Narumol Prangnawarat | 867eba5 | 2020-02-03 12:29:56 +0000 | [diff] [blame] | 60 | |
| 61 | private: |
Narumol Prangnawarat | 0739fee | 2020-08-11 11:24:25 +0100 | [diff] [blame] | 62 | // Only used for testing |
| 63 | void CopyOutTo(void*) const override; |
| 64 | void CopyInFrom(const void*) override; |
| 65 | |
Narumol Prangnawarat | 867eba5 | 2020-02-03 12:29:56 +0000 | [diff] [blame] | 66 | void* GetPointer() const; |
| 67 | |
| 68 | SampleTensorHandle(const SampleTensorHandle& other) = delete; // noncopyable |
| 69 | SampleTensorHandle& operator=(const SampleTensorHandle& other) = delete; //noncopyable |
| 70 | |
Jan Eilers | c84e45d | 2020-08-19 14:14:36 +0100 | [diff] [blame] | 71 | armnn::TensorInfo m_TensorInfo; |
Narumol Prangnawarat | 867eba5 | 2020-02-03 12:29:56 +0000 | [diff] [blame] | 72 | |
| 73 | std::shared_ptr<SampleMemoryManager> m_MemoryManager; |
| 74 | SampleMemoryManager::Pool* m_Pool; |
| 75 | mutable void *m_UnmanagedMemory; |
Jan Eilers | c84e45d | 2020-08-19 14:14:36 +0100 | [diff] [blame] | 76 | armnn::MemorySourceFlags m_ImportFlags; |
Narumol Prangnawarat | 867eba5 | 2020-02-03 12:29:56 +0000 | [diff] [blame] | 77 | bool m_Imported; |
| 78 | }; |
| 79 | |
Jan Eilers | c84e45d | 2020-08-19 14:14:36 +0100 | [diff] [blame] | 80 | } // namespace sdb |