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Add AlignedBuffer to OpenVINO developer API (openvinotoolkit#20532)
* Add AlignedBuffer to OpenVINO developer API * Fixed build * Fixed code style and remove opset deprecation * Fixed Windows build * Fixed GNA * Fixed comment
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,75 @@ | ||
| // Copyright (C) 2018-2023 Intel Corporation | ||
| // SPDX-License-Identifier: Apache-2.0 | ||
| // | ||
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| #pragma once | ||
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| #include <memory> | ||
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| #include "openvino/core/attribute_adapter.hpp" | ||
| #include "openvino/core/core_visibility.hpp" | ||
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| namespace ov { | ||
| /// \brief Allocates a block of memory on the specified alignment. The actual size of the | ||
| /// allocated memory is larger than the requested size by the alignment, so allocating 1 | ||
| /// byte | ||
| /// on 64 byte alignment will allocate 65 bytes. | ||
| class OPENVINO_API AlignedBuffer { | ||
| public: | ||
| // Allocator objects and the allocation interfaces are owned by the | ||
| // creators of AlignedBuffers. They need to ensure that the lifetime of | ||
| // allocator exceeds the lifetime of this AlignedBuffer. | ||
| AlignedBuffer(size_t byte_size, size_t alignment = 64); | ||
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| AlignedBuffer(); | ||
| virtual ~AlignedBuffer(); | ||
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| AlignedBuffer(AlignedBuffer&& other); | ||
| AlignedBuffer& operator=(AlignedBuffer&& other); | ||
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| size_t size() const { | ||
| return m_byte_size; | ||
| } | ||
| void* get_ptr(size_t offset) const { | ||
| return m_aligned_buffer + offset; | ||
| } | ||
| void* get_ptr() { | ||
| return m_aligned_buffer; | ||
| } | ||
| const void* get_ptr() const { | ||
| return m_aligned_buffer; | ||
| } | ||
| template <typename T> | ||
| T* get_ptr() { | ||
| return reinterpret_cast<T*>(m_aligned_buffer); | ||
| } | ||
| template <typename T> | ||
| const T* get_ptr() const { | ||
| return reinterpret_cast<const T*>(m_aligned_buffer); | ||
| } | ||
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| template <typename T> | ||
| explicit operator T*() { | ||
| return get_ptr<T>(); | ||
| } | ||
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| private: | ||
| AlignedBuffer(const AlignedBuffer&) = delete; | ||
| AlignedBuffer& operator=(const AlignedBuffer&) = delete; | ||
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| protected: | ||
| char* m_allocated_buffer; | ||
| char* m_aligned_buffer; | ||
| size_t m_byte_size; | ||
| }; | ||
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| template <> | ||
| class OPENVINO_API AttributeAdapter<std::shared_ptr<ov::AlignedBuffer>> | ||
| : public DirectValueAccessor<std::shared_ptr<ov::AlignedBuffer>> { | ||
| public: | ||
| AttributeAdapter(std::shared_ptr<ov::AlignedBuffer>& value); | ||
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| OPENVINO_RTTI("AttributeAdapter<std::shared_ptr<ov::AlignedBuffer>"); | ||
| }; | ||
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| } // namespace ov |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,31 @@ | ||
| // Copyright (C) 2018-2023 Intel Corporation | ||
| // SPDX-License-Identifier: Apache-2.0 | ||
| // | ||
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| #pragma once | ||
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| #include "openvino/runtime/aligned_buffer.hpp" | ||
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| namespace ov { | ||
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| /// \brief SharedBuffer class to store pointer to pre-acclocated buffer. | ||
| template <typename T> | ||
| class SharedBuffer : public ov::AlignedBuffer { | ||
| public: | ||
| SharedBuffer(char* data, size_t size, const T& shared_object) : _shared_object(shared_object) { | ||
| m_allocated_buffer = data; | ||
| m_aligned_buffer = data; | ||
| m_byte_size = size; | ||
| } | ||
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| virtual ~SharedBuffer() { | ||
| m_aligned_buffer = nullptr; | ||
| m_allocated_buffer = nullptr; | ||
| m_byte_size = 0; | ||
| } | ||
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| private: | ||
| T _shared_object; | ||
| }; | ||
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| } // namespace ov |
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