Program Listing for File CudaUnifiedMemoryResourceFactory.hpp

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//////////////////////////////////////////////////////////////////////////////
// Copyright (c) 2016-20, Lawrence Livermore National Security, LLC and Umpire
// project contributors. See the COPYRIGHT file for details.
//
// SPDX-License-Identifier: (MIT)
//////////////////////////////////////////////////////////////////////////////
#ifndef UMPIRE_CudaUnifiedMemoryResourceFactory_HPP
#define UMPIRE_CudaUnifiedMemoryResourceFactory_HPP

#include "umpire/resource/MemoryResourceFactory.hpp"

namespace umpire {
namespace resource {

/*!
 * \brief Factory class to construct a MemoryResource that uses NVIDIA
 * "unified" memory, accesible from both the CPU and NVIDIA GPUs.
 */
class CudaUnifiedMemoryResourceFactory : public MemoryResourceFactory {
  bool isValidMemoryResourceFor(
      const std::string& name) noexcept final override;

  std::unique_ptr<resource::MemoryResource> create(const std::string& name,
                                                   int id) final override;

  std::unique_ptr<resource::MemoryResource> create(
      const std::string& name, int id,
      MemoryResourceTraits traits) final override;

  MemoryResourceTraits getDefaultTraits() final override;
};

} // end of namespace resource
} // end of namespace umpire

#endif // UMPIRE_CudaUnifiedMemoryResourceFactory_HPP