Francis Murtagh | e8d7ccb | 2021-10-14 17:30:24 +0100 | [diff] [blame] | 1 | // |
| 2 | // Copyright © 2021 Arm Ltd and Contributors. All rights reserved. |
| 3 | // SPDX-License-Identifier: MIT |
| 4 | // |
| 5 | |
| 6 | #pragma once |
| 7 | |
| 8 | #include <cstddef> |
| 9 | #include <memory> |
| 10 | #include <armnn/MemorySources.hpp> |
| 11 | #include <armnn/utility/IgnoreUnused.hpp> |
| 12 | |
| 13 | namespace armnn |
| 14 | { |
| 15 | |
| 16 | /** Default Memory Allocator class returned from IBackendInternal::GetDefaultAllocator(MemorySource) */ |
| 17 | class DefaultAllocator : public armnn::ICustomAllocator |
| 18 | { |
| 19 | public: |
| 20 | DefaultAllocator() = default; |
| 21 | |
| 22 | void* allocate(size_t size, size_t alignment = 0) override |
| 23 | { |
| 24 | IgnoreUnused(alignment); |
Finn Williams | b1aad42 | 2021-10-28 19:07:32 +0100 | [diff] [blame] | 25 | return ::operator new(size_t(size)); |
Francis Murtagh | e8d7ccb | 2021-10-14 17:30:24 +0100 | [diff] [blame] | 26 | } |
| 27 | |
| 28 | void free(void* ptr) override |
| 29 | { |
Finn Williams | b1aad42 | 2021-10-28 19:07:32 +0100 | [diff] [blame] | 30 | ::operator delete(ptr); |
Francis Murtagh | e8d7ccb | 2021-10-14 17:30:24 +0100 | [diff] [blame] | 31 | } |
| 32 | |
| 33 | armnn::MemorySource GetMemorySourceType() override |
| 34 | { |
| 35 | return armnn::MemorySource::Malloc; |
| 36 | } |
| 37 | |
| 38 | void* GetMemoryRegionAtOffset(void* buffer, size_t offset, size_t alignment = 0) override |
| 39 | { |
| 40 | IgnoreUnused(alignment); |
| 41 | return static_cast<char*>(buffer) + offset; |
| 42 | } |
| 43 | }; |
| 44 | |
| 45 | } // namespace armnn |