BabelStream/CUDAStream.h
2016-10-24 21:42:39 +01:00

53 lines
1.1 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 <sstream>
#include "Stream.h"
#define IMPLEMENTATION_STRING "CUDA"
#define TBSIZE 1024
#define DOT_NUM_BLOCKS 256
template <class T>
class CUDAStream : public Stream<T>
{
protected:
// Size of arrays
unsigned int array_size;
// Host array for partial sums for dot kernel
T *sums;
// Device side pointers to arrays
T *d_a;
T *d_b;
T *d_c;
T *d_sum;
public:
CUDAStream(const unsigned int, const int);
~CUDAStream();
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;
};