BabelStream/RAJAStream.hpp
2016-10-24 11:34:40 +01:00

62 lines
1.4 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 "RAJA/RAJA.hxx"
#include "Stream.h"
#define IMPLEMENTATION_STRING "RAJA"
#ifdef RAJA_TARGET_CPU
typedef RAJA::IndexSet::ExecPolicy<
RAJA::seq_segit,
RAJA::omp_parallel_for_exec> policy;
typedef RAJA::omp_reduce reduce_policy;
#else
const size_t block_size = 128;
typedef RAJA::IndexSet::ExecPolicy<
RAJA::seq_segit,
RAJA::cuda_exec<block_size>> policy;
typedef RAJA::cuda_reduce<block_size> reduce_policy;
#endif
template <class T>
class RAJAStream : public Stream<T>
{
protected:
// Size of arrays
unsigned int array_size;
// Contains iteration space
RAJA::IndexSet index_set;
// Device side pointers to arrays
T* d_a;
T* d_b;
T* d_c;
public:
RAJAStream(const unsigned int, const int);
~RAJAStream();
virtual void copy() override;
virtual void add() override;
virtual void mul() override;
virtual void triad() override;
virtual T dot() override;
virtual void write_arrays(
const std::vector<T>& a, const std::vector<T>& b, const std::vector<T>& c) override;
virtual void read_arrays(
std::vector<T>& a, std::vector<T>& b, std::vector<T>& c) override;
};