BabelStream/KOKKOSStream.hpp

57 lines
1.3 KiB
C++

// Copyright (c) 2015-16 Tom Deakin, Simon McIntosh-Smith,
// University of Bristol HPC
//
// For full license terms please see the LICENSE file distributed with this
// source code
#pragma once
#include <iostream>
#include <stdexcept>
#include <Kokkos_Core.hpp>
#include <Kokkos_Parallel.hpp>
#include <Kokkos_View.hpp>
#include "Stream.h"
#define IMPLEMENTATION_STRING "KOKKOS"
#ifdef KOKKOS_TARGET_CPU
#define DEVICE Kokkos::OpenMP
#else
#define DEVICE Kokkos::Cuda
#endif
template <class T>
class KOKKOSStream : public Stream<T>
{
protected:
// Size of arrays
unsigned int array_size;
// Device side pointers to arrays
Kokkos::View<double*, DEVICE>* d_a;
Kokkos::View<double*, DEVICE>* d_b;
Kokkos::View<double*, DEVICE>* d_c;
Kokkos::View<double*>::HostMirror* hm_a;
Kokkos::View<double*>::HostMirror* hm_b;
Kokkos::View<double*>::HostMirror* hm_c;
public:
KOKKOSStream(const unsigned int, const int);
~KOKKOSStream();
virtual void copy() override;
virtual void add() override;
virtual void mul() override;
virtual void triad() override;
virtual T dot() override;
virtual void init_arrays(T initA, T initB, T initC) override;
virtual void read_arrays(
std::vector<T>& a, std::vector<T>& b, std::vector<T>& c) override;
};