Program Listing for File dev_mem_info.hpp
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/*
* SPDX-FileCopyrightText: Copyright (c) 2021-2023, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include "morpheus_export.h"
#include "morpheus/objects/dtype.hpp" // for DType, TypeId
#include "morpheus/objects/memory_descriptor.hpp" // for MemoryDescriptor
#include "morpheus/types.hpp" // for ShapeType, TensorIndex
#include <rmm/device_buffer.hpp> // for device_buffer
#include <memory> // for shared_ptr, unique_ptr & make_unique
namespace morpheus {
/****** Component public implementations *******************/
/****** DevMemInfo******************************************/
class MORPHEUS_EXPORT DevMemInfo
{
public:
DevMemInfo(void* data,
DType dtype,
std::shared_ptr<MemoryDescriptor> md,
ShapeType shape,
ShapeType stride,
TensorIndex offset_bytes = 0);
DevMemInfo(std::shared_ptr<rmm::device_buffer> buffer,
DType dtype,
ShapeType shape,
ShapeType stride,
TensorIndex offset_bytes = 0);
DevMemInfo(DevMemInfo&& other) = default;
TensorIndex bytes() const;
TensorIndex count() const;
TensorIndex offset_bytes() const;
const DType& dtype() const;
TypeId type_id() const;
const ShapeType& shape() const;
TensorIndex shape(TensorIndex idx) const;
const ShapeType& stride() const;
TensorIndex stride(TensorIndex idx) const;
void* data() const;
std::shared_ptr<MemoryDescriptor> memory() const;
std::unique_ptr<rmm::device_buffer> make_new_buffer(TensorIndex bytes) const;
private:
// Pointer to the head of our data
void* m_data;
// Type of elements in the buffer
const DType m_dtype;
// Shape & stride of the data in the buffer
const ShapeType m_shape;
const ShapeType m_stride;
// Offset from head of data in bytes
const TensorIndex m_offset_bytes;
// Device resources used to allocate this memory
std::shared_ptr<MemoryDescriptor> m_md;
};
// end of group
} // namespace morpheus