memory_traits.hpp

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// SPDX-FileCopyrightText: 2025 VTT Technical Research Centre of Finland Ltd
// SPDX-License-Identifier: AGPL-3.0-or-later
 
#pragma once
 
#include <openpfc/core/backend_tags.hpp>
 
namespace pfc {
namespace core {
 
template <typename BackendTag> struct backend_traits;
 
template <> struct backend_traits<backend::CpuTag> {
  static constexpr bool has_host_access = true;
  static constexpr bool has_device_access = false;
  static constexpr bool requires_transfer = false;
};
 
#if defined(OpenPFC_ENABLE_CUDA)
template <> struct backend_traits<backend::CudaTag> {
  static constexpr bool has_host_access = false;
  static constexpr bool has_device_access = true;
  static constexpr bool requires_transfer = true;
};
#endif
 
#if defined(OpenPFC_ENABLE_HIP)
template <> struct backend_traits<backend::HipTag> {
  static constexpr bool has_host_access = false;
  static constexpr bool has_device_access = true;
  static constexpr bool requires_transfer = true;
};
#endif
 
} // namespace core
} // namespace pfc