摘自《OpenCL異構并行計算原理、機制與優化實踐》

// Platform.cpp : Defines the entry point for the console application. //#include "stdafx.h"#include <CL/cl.h> #include <stdio.h> #include <string.h> #include <malloc.h>int main() {cl_platform_id *platform;cl_uint num_platform;cl_int err;err = clGetPlatformIDs(0, NULL, &num_platform);platform = (cl_platform_id *)malloc(sizeof(cl_platform_id) * num_platform);err = clGetPlatformIDs(num_platform, platform, NULL);for (int i = 0; i < num_platform; i++){size_t size;// get nameerr = clGetPlatformInfo(platform[i], CL_PLATFORM_NAME, 0, NULL, &size);char *name = (char *)malloc(size);err = clGetPlatformInfo(platform[i], CL_PLATFORM_NAME, size, name, NULL);printf("CL_PLATFORM_NAME:%s\n", name);// vendorerr = clGetPlatformInfo(platform[i], CL_PLATFORM_VENDOR, 0, NULL, &size);char *vendor = (char *)malloc(size);err = clGetPlatformInfo(platform[i], CL_PLATFORM_VENDOR, size, vendor, NULL);printf("CL_PLATFORM_VENDOR:%s\n", vendor);// versionerr = clGetPlatformInfo(platform[i], CL_PLATFORM_VERSION, 0, NULL, &size);char *version = (char *)malloc(size);err = clGetPlatformInfo(platform[i], CL_PLATFORM_VERSION, size, version, NULL);printf("CL_PLATFORM_VERSION:%s\n", version);// profileerr = clGetPlatformInfo(platform[i], CL_PLATFORM_PROFILE, 0, NULL, &size);char *profile = (char *)malloc(size);err = clGetPlatformInfo(platform[i], CL_PLATFORM_PROFILE, size, profile, NULL);printf("CL_PLATFORM_PROFILE:%s\n", profile);// extensionserr = clGetPlatformInfo(platform[i], CL_PLATFORM_EXTENSIONS, 0, NULL, &size);char *extensions = (char *)malloc(size);err = clGetPlatformInfo(platform[i], CL_PLATFORM_EXTENSIONS, size, extensions, NULL);printf("CL_PLATFORM_EXTENSIONS:%s\n", extensions);//printf("\n\n");// cleanfree(name);free(vendor);free(version);free(profile);free(extensions);}return 0; }

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