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Diffstat (limited to 'src/backends/backendsCommon/DefaultAllocator.hpp')
-rw-r--r-- | src/backends/backendsCommon/DefaultAllocator.hpp | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/src/backends/backendsCommon/DefaultAllocator.hpp b/src/backends/backendsCommon/DefaultAllocator.hpp new file mode 100644 index 0000000000..2451db3ab8 --- /dev/null +++ b/src/backends/backendsCommon/DefaultAllocator.hpp @@ -0,0 +1,45 @@ +// +// Copyright © 2021 Arm Ltd and Contributors. All rights reserved. +// SPDX-License-Identifier: MIT +// + +#pragma once + +#include <cstddef> +#include <memory> +#include <armnn/MemorySources.hpp> +#include <armnn/utility/IgnoreUnused.hpp> + +namespace armnn +{ + +/** Default Memory Allocator class returned from IBackendInternal::GetDefaultAllocator(MemorySource) */ +class DefaultAllocator : public armnn::ICustomAllocator +{ +public: + DefaultAllocator() = default; + + void* allocate(size_t size, size_t alignment = 0) override + { + IgnoreUnused(alignment); + return ::operator new(size); + } + + void free(void* ptr) override + { + std::free(ptr); + } + + armnn::MemorySource GetMemorySourceType() override + { + return armnn::MemorySource::Malloc; + } + + void* GetMemoryRegionAtOffset(void* buffer, size_t offset, size_t alignment = 0) override + { + IgnoreUnused(alignment); + return static_cast<char*>(buffer) + offset; + } +}; + +} // namespace armnn
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