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author | Francis Murtagh <francis.murtagh@arm.com> | 2021-10-14 17:30:24 +0100 |
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committer | Teresa Charlin <teresa.charlinreyes@arm.com> | 2021-10-19 22:26:45 +0100 |
commit | e8d7ccb1a18b5c39ecf17fb063fcc50baacc74b3 (patch) | |
tree | d1a072111807145a786b4c4221707bd34c1373be /src/backends/backendsCommon | |
parent | fc7c2f3c1dd990620a01ecf1a6641813e6f46ef8 (diff) | |
download | armnn-e8d7ccb1a18b5c39ecf17fb063fcc50baacc74b3.tar.gz |
IVGCVSW-6310 Update ICustomAllocator and add GetDefaultAllocator function to backends
Signed-off-by: Francis Murtagh <francis.murtagh@arm.com>
Change-Id: If2879e8a82692285e7fa3f4d09abd608ca28de12
Diffstat (limited to 'src/backends/backendsCommon')
-rw-r--r-- | src/backends/backendsCommon/DefaultAllocator.hpp | 45 | ||||
-rw-r--r-- | src/backends/backendsCommon/test/MockBackend.cpp | 6 | ||||
-rw-r--r-- | src/backends/backendsCommon/test/MockBackend.hpp | 2 |
3 files changed, 53 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
\ No newline at end of file diff --git a/src/backends/backendsCommon/test/MockBackend.cpp b/src/backends/backendsCommon/test/MockBackend.cpp index df1a5c19aa..4bdb8ce786 100644 --- a/src/backends/backendsCommon/test/MockBackend.cpp +++ b/src/backends/backendsCommon/test/MockBackend.cpp @@ -10,6 +10,7 @@ #include <armnn/backends/IBackendContext.hpp> #include <armnn/backends/IMemoryManager.hpp> +#include <backendsCommon/DefaultAllocator.hpp> #include <Optimizer.hpp> #include <SubgraphViewSelector.hpp> @@ -258,4 +259,9 @@ OptimizationViews MockBackend::OptimizeSubgraphView(const SubgraphView& subgraph return optimizationViews; } +std::unique_ptr<ICustomAllocator> MockBackend::GetDefaultAllocator() const +{ + return std::make_unique<DefaultAllocator>(); +} + } // namespace armnn diff --git a/src/backends/backendsCommon/test/MockBackend.hpp b/src/backends/backendsCommon/test/MockBackend.hpp index c0624525dc..6761ce5f08 100644 --- a/src/backends/backendsCommon/test/MockBackend.hpp +++ b/src/backends/backendsCommon/test/MockBackend.hpp @@ -165,6 +165,8 @@ public: IBackendInternal::ILayerSupportSharedPtr GetLayerSupport() const override; OptimizationViews OptimizeSubgraphView(const SubgraphView& subgraph) const override; + + std::unique_ptr<ICustomAllocator> GetDefaultAllocator() const override; }; class MockLayerSupport : public LayerSupportBase |