include/CL/Utils/Event.hpp

#pragma once

// OpenCL SDK includes
#include "OpenCLUtilsCpp_Export.h"

// STL includes
#include <chrono>

// OpenCL includes
#include <CL/opencl.hpp>

namespace cl {
namespace util {
    template <cl_int From, cl_int To, typename Dur = std::chrono::nanoseconds>
    auto get_duration(cl::Event& ev)
    {
        return std::chrono::duration_cast<Dur>(std::chrono::nanoseconds{
            ev.getProfilingInfo<To>() - ev.getProfilingInfo<From>() });
    }
}
}