Windows 10 - Visual Studio 2015 - OpenCL - CUDA Toolkit 10.1 - 环境配置
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Windows 10 - Visual Studio 2015 - OpenCL - CUDA Toolkit 10.1 - 环境配置
NVIDIA OpenCL SDK Code Samples
https://developer.nvidia.com/opencl
The Khronos Group Inc.
https://www.khronos.org/opencl/
1. yongqiang.cpp
/*
============================================================================
Name : yongqiang.cpp
Author : Yongqiang Cheng
Version : Version 1.0.0
Copyright : Copyright (c) 2020 Yongqiang Cheng
Description : Hello World in C++, Ansi-style
============================================================================
*/
#define _CRT_SECURE_NO_WARNINGS
#include <iostream>
#include <time.h>
using namespace std;
int main()
{
clock_t start = 0, end = 0;
double cpu_time_used = 0;
start = clock();
printf("Start of the program, start = %ld\n", start);
printf("Start of the program, start = %ld\n\n", start);
cout << "yongqiang" << endl;
end = clock();
printf("\nEnd of the program, end = %ld\n", end);
printf("End of the program, end = %ld\n", end);
cpu_time_used = ((double)(end - start)) / CLOCKS_PER_SEC;
printf("Total time taken by CPU: %f\n", cpu_time_used);
printf("Exiting of the program...\n");
return 0;
}
Start of the program, start = 0
Start of the program, start = 0
yongqiang
End of the program, end = 0
End of the program, end = 0
Total time taken by CPU: 0.000000
Exiting of the program...
请按任意键继续. . .
2. Additional Include Directories - 附加包含目录
Properties -> C/C++ -> General -> Additional Include Directories
C:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\v10.1\include
3. Additional Library Directories - 附加库目录
Properties -> Linker -> General -> Additional Library Directories
C:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\v10.1\lib\Win32
4. Additional Dependencies - 附加依赖项
Properties -> Linker -> Input -> Additional Dependencies
C:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\v10.1\lib\Win32\OpenCL.lib
5. yongqiang.cpp
/*
============================================================================
Name : yongqiang.cpp
Author : Yongqiang Cheng
Version : Version 1.0.0
Copyright : Copyright (c) 2020 Yongqiang Cheng
Description : Hello World in C++, Ansi-style
============================================================================
*/
#define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>
#include <stdlib.h>
#ifdef __APPLE__
#include <OpenCL/opencl.h>
#else
#include <CL/cl.h>
#endif
#define MEM_SIZE (128)
#define MAX_SOURCE_SIZE (0x100000)
int main()
{
cl_platform_id platform_id = NULL;
cl_device_id device_id = NULL;
cl_uint ret_num_devices;
cl_uint ret_num_platforms;
cl_int ret;
cl_uint work_item_dim;
size_t work_item_sizes[3];
size_t work_group_size;
cl_uint ucomput_uint = 0;
cl_uint uconstant_args = 0;
cl_ulong uconstant_buffer_size = 0;
ret = clGetPlatformIDs(1, &platform_id, &ret_num_platforms);
ret = clGetDeviceIDs(platform_id, CL_DEVICE_TYPE_DEFAULT, 1, &device_id, &ret_num_devices);
printf("devices : %d\n", ret_num_devices);
char pform_vendor[40];
clGetPlatformInfo(platform_id, CL_PLATFORM_VENDOR, sizeof(pform_vendor), &pform_vendor, NULL);
printf("vendor : %s\n", &pform_vendor);
clGetDeviceInfo(device_id, CL_DEVICE_MAX_WORK_ITEM_DIMENSIONS, sizeof(cl_uint), (void *)&work_item_dim, NULL);
clGetDeviceInfo(device_id, CL_DEVICE_MAX_WORK_ITEM_SIZES, sizeof(work_item_sizes), (void *)work_item_sizes, NULL);
clGetDeviceInfo(device_id, CL_DEVICE_MAX_WORK_GROUP_SIZE, sizeof(size_t), (void *)&work_group_size, NULL);
clGetDeviceInfo(device_id, CL_DEVICE_MAX_COMPUTE_UNITS, sizeof(cl_uint), (void *)&ucomput_uint, NULL);
clGetDeviceInfo(device_id, CL_DEVICE_MAX_CONSTANT_ARGS, sizeof(cl_uint), (void *)&uconstant_args, NULL);
clGetDeviceInfo(device_id, CL_DEVICE_MAX_CONSTANT_BUFFER_SIZE, sizeof(cl_ulong), (void *)&uconstant_buffer_size, NULL);
printf("Max work-item dimensions : %d\n", work_item_dim);
printf("Max work-item sizes : %d %d %d\n", work_item_sizes[0], work_item_sizes[1], work_item_sizes[2]);
printf("Max work-group sizes : %d\n", work_group_size);
printf("Max comput_uint : %u\n", ucomput_uint);
printf("Max constant_args : %u\n", uconstant_args);
printf("Max constant_buffer_size : %u\n", uconstant_buffer_size);
system("pause");
return 0;
}
devices : 1
vendor : NVIDIA Corporation
Max work-item dimensions : 3
Max work-item sizes : 1024 1024 64
Max work-group sizes : 1024
Max comput_uint : 10
Max constant_args : 9
Max constant_buffer_size : 65536
请按任意键继续. . .
References
https://github.com/gcielniak/OpenCL-Tutorials
https://github.com/Dakkers/OpenCL-examples
https://github.com/ibrahimsenan/OpenCl-HelloWorld
https://anteru.net/blog/2012/getting-started-with-opencl-part-1/
https://github.com/tapin13/openCL-helloWorld
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