44 #ifndef KOKKOS_TIMER_HPP 
   45 #define KOKKOS_TIMER_HPP 
   55   std::chrono::high_resolution_clock::time_point m_old;
 
   62     m_old = std::chrono::high_resolution_clock::now();
 
   72   double seconds()
 const 
   74     std::chrono::high_resolution_clock::time_point m_new =
 
   75         std::chrono::high_resolution_clock::now();
 
   76     return std::chrono::duration_cast<std::chrono::duration<double>>(m_new - m_old).count();