memoryOrder.hpp

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/* Copyright 2025 Mehmet Yusufoglu, René Widera
 * SPDX-License-Identifier: MPL-2.0
 */
 
#pragma once
 
#include "alpaka/core/config.hpp"
#include "alpaka/onAcc/memoryOrder.hpp"
 
#include <type_traits>
 
#if ALPAKA_LANG_CUDA
 
namespace alpaka::onAcc::internalCompute
{
    struct MemOrderCuda
    {
        template<concepts::MemoryOrder TMemOrder>
        static constexpr auto get(TMemOrder)
        {
#    ifdef ALPAKA_CUDA_ATOMIC
            if constexpr(std::same_as<TMemOrder, order::SeqCst>)
            {
                return ::cuda::memory_order_seq_cst;
            }
            if constexpr(std::same_as<TMemOrder, order::AcqRel>)
            {
                return ::cuda::memory_order_acq_rel;
            }
            if constexpr(std::same_as<TMemOrder, order::Release>)
            {
                return ::cuda::memory_order_release;
            }
            if constexpr(std::same_as<TMemOrder, order::Acquire>)
            {
                return ::cuda::memory_order_acquire;
            }
            if constexpr(std::same_as<TMemOrder, order::Relaxed>)
            {
                return ::cuda::memory_order_relaxed;
            }
#    endif
        }
    };
} // namespace alpaka::onAcc::internalCompute
 
#endif // ALPAKA_LANG_SYCL