BabelStream/OCLStream.h
2016-10-24 13:51:47 +01:00

63 lines
1.5 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 <sstream>
#include <stdexcept>
#define CL_HPP_ENABLE_EXCEPTIONS
#define CL_HPP_TARGET_OPENCL_VERSION 120
#define CL_HPP_MINIMUM_OPENCL_VERSION 120
#include "CL/cl2.hpp"
#include "Stream.h"
#define IMPLEMENTATION_STRING "OpenCL"
template <class T>
class OCLStream : public Stream<T>
{
protected:
// Size of arrays
unsigned int array_size;
// Device side pointers to arrays
cl::Buffer d_a;
cl::Buffer d_b;
cl::Buffer d_c;
// OpenCL objects
cl::Device device;
cl::Context context;
cl::CommandQueue queue;
cl::KernelFunctor<cl::Buffer, cl::Buffer> *copy_kernel;
cl::KernelFunctor<cl::Buffer, cl::Buffer> * mul_kernel;
cl::KernelFunctor<cl::Buffer, cl::Buffer, cl::Buffer> *add_kernel;
cl::KernelFunctor<cl::Buffer, cl::Buffer, cl::Buffer> *triad_kernel;
public:
OCLStream(const unsigned int, const int);
~OCLStream();
virtual void copy() override;
virtual void add() override;
virtual void mul() override;
virtual void triad() 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;
};
// Populate the devices list
void getDeviceList(void);