Kokkos_Vectorization.hpp

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#ifndef KOKKOS_VECTORIZATION_HPP
#define KOKKOS_VECTORIZATION_HPP

#include <Kokkos_Core_fwd.hpp>
#include <Kokkos_ExecPolicy.hpp>

namespace Kokkos {
template<class Space, int N>
struct Vectorization {
  typedef Kokkos::TeamPolicy< Space >        team_policy ;
  typedef typename team_policy::member_type  team_member ;

  enum {increment = 1};

  KOKKOS_FORCEINLINE_FUNCTION
  static int begin() { return 0;}

  KOKKOS_FORCEINLINE_FUNCTION
  static int thread_rank(const team_member &dev) {
    return dev.team_rank();
  }

  KOKKOS_FORCEINLINE_FUNCTION
  static int team_rank(const team_member &dev) {
    return dev.team_rank()/increment;
  }

  KOKKOS_FORCEINLINE_FUNCTION
  static int team_size(const team_member &dev) {
    return dev.team_size()/increment;
  }

  KOKKOS_FORCEINLINE_FUNCTION
  static int global_thread_rank(const team_member &dev) {
    return (dev.league_rank()*dev.team_size()+dev.team_rank());
  }

  KOKKOS_FORCEINLINE_FUNCTION
  static bool is_lane_0(const team_member &dev) {
    return true;
  }

  template<class Scalar>
  KOKKOS_FORCEINLINE_FUNCTION
  static Scalar reduce(const Scalar& val) {
    return val;
  }
};
}

#if defined( KOKKOS_HAVE_CUDA )
#include <Cuda/Kokkos_Cuda_Vectorization.hpp>
#endif

#endif