ExecuteForEachAccTag.hpp

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/* Copyright 2023 Jeffrey Kelling, Bernhard Manfred Gruber, Jan Stephan, Aurora Perego, Andrea Bocci
 * SPDX-License-Identifier: MPL-2.0
 */
 
#include "alpaka/alpaka.hpp"
 
#include <functional>
#include <tuple>
#include <utility>
 
#pragma once
 
namespace alpaka
{
    //! execute a callable for each active accelerator tag
    //
    // @param callable callable which can be invoked with an accelerator tag
    // @return disjunction of all invocation results
    //
    template<typename TCallable>
    inline auto executeForEachAccTag(TCallable&& callable)
    {
        // Execute the callable once for each enabled accelerator.
        // Pass the tag as first argument to the callable.
        return std::apply([=](auto const&... tags) { return (callable(tags) || ...); }, alpaka::EnabledAccTags{});
    }
} // namespace alpaka