Program Listing for File dev_mem_info.hpp

            

            
#pragma once

#include "morpheus/utilities/type_util.hpp"// for DType
#include "morpheus/utilities/type_util_detail.hpp"

#include <rmm/device_buffer.hpp>

#include <cstddef>// for size_t
#include <memory>// for shared_ptr, unique_ptr & make_unique

namespace morpheus {
/****** Component public implementations *******************/
/****** DevMemInfo******************************************/

class DevMemInfo
{
  public:
    DevMemInfo(std::shared_ptr<rmm::device_buffer> buffer,
               DType dtype,
               std::vector<std::size_t> shape,
               std::vector<std::size_t> stride,
               size_t offset_bytes = 0);
    DevMemInfo(DevMemInfo&& other) = default;

    std::size_t bytes() const;
    std::size_t count() const;
    std::size_t offset_bytes() const;
    const DType& dtype() const;
    TypeId type_id() const;

    const std::vector<std::size_t>& shape() const;
    std::size_t shape(std::size_t idx) const;

    // Stride in elements
    const std::vector<std::size_t>& stride() const;
    std::size_t stride(std::size_t idx) const;

    void* data() const;

    std::unique_ptr<rmm::device_buffer> make_new_buffer(std::size_t bytes) const;

  private:
    // Buffer of data
    std::shared_ptr<rmm::device_buffer> m_buffer;

    // Type of elements in the buffer
    const DType m_dtype;

    // Shape & stride of the data in the buffer
    const std::vector<std::size_t> m_shape;
    const std::vector<std::size_t> m_stride;

    // Offset from head of data in bytes
    const size_t m_offset_bytes;
};
  // end of group
}  // namespace morpheus