EnqueuedEventWithLaunchTimer.hpp

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#ifndef KOKKOS_UTILS_CALLBACKS_ENQUEUEDEVENTWITHLAUNCHTIMER_HPP
#define KOKKOS_UTILS_CALLBACKS_ENQUEUEDEVENTWITHLAUNCHTIMER_HPP
 
#include "kokkos-utils/callbacks/Events.hpp"
#include "kokkos-utils/concepts/ExecutionSpace.hpp"
#include "kokkos-utils/timer/Duration.hpp"
#include "kokkos-utils/timer/Timer.hpp"
 
namespace Kokkos::utils::callbacks
{

template <Kokkos::utils::concepts::ExecutionSpace Exec>
struct EnqueuedEventWithLaunchTimer
{
    template <EnqueuedEvent EventType>
    void start(const EventType& event)
    {
        if(event.dev_id != dev_id)
            Kokkos::abort("EnqueuedEventTimer cannot be started for a wrongly enqueued event.");
 
        timer.start(exec);
        timer_launch.start();
    }

    template <Event EventType>
    void stop(const EventType&)
    {
        timer_launch.stop();
        timer.stop(exec);
    }
 
    template <typename Duration = Kokkos::utils::timer::milliseconds>
    Duration duration() { return timer.template duration<Duration>(); }
 
    template <typename Duration = Kokkos::utils::timer::milliseconds>
    Duration launch() { return timer_launch.template duration<Duration>(); }
 
    Exec exec;
    uint32_t dev_id = Kokkos::Tools::Experimental::device_id(exec);
    Kokkos::utils::timer::Timer<Exec> timer {};
    Kokkos::utils::timer::Timer<void> timer_launch {};
};
 
} // namespace Kokkos::utils::callbacks
 
#endif // KOKKOS_UTILS_CALLBACKS_ENQUEUEDEVENTWITHLAUNCHTIMER_HPP