Traits.hpp

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/* Copyright 2026 Mykhailo Varvarin
 * SPDX-License-Identifier: MPL-2.0
 */
 
#pragma once
 
#include "alpaka/core/Common.hpp"
#include "alpaka/core/Interface.hpp"
 
namespace alpaka
{
    struct ConceptGridSync
    {
    };
 
    //! The grid synchronization traits.
    namespace trait
    {
        //! The grid synchronization operation trait.
        template<typename TGridSync, typename TSfinae = void>
        struct SyncGridThreads;
 
    } // namespace trait
 
    //! Synchronizes all threads within the current grid. Works only for cooperative kernels.
    //! NOTE: when compiled with CUDA Clang default build type locks up if numberOfBlocks > 2 * multiProcessorCount.
    //! https://github.com/llvm/llvm-project/issues/98886
    //!
    //! \tparam TGridSync The grid synchronization implementation type.
    //! \param gridSync The grid synchronization implementation.
    ALPAKA_NO_HOST_ACC_WARNING
    template<typename TGridSync>
    ALPAKA_FN_ACC auto syncGridThreads(TGridSync const& gridSync) -> void
    {
        using ImplementationBase = interface::ImplementationBase<ConceptGridSync, TGridSync>;
        trait::SyncGridThreads<ImplementationBase>::syncGridThreads(gridSync);
    }
 
 
} // namespace alpaka