OpenCL 查询平台和设备

▶ 查询平台和设备的代码以结果，放在这里方便以后逐渐扩充和查询（没有营养）

 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <cl.h>

 int main()
 {
     int i, j;
     char info[];

     cl_int status;
     cl_uint nPlatform;
     cl_platform_id *listPlatform;
     cl_uint nDevice;
     cl_device_id *listDevice;
     clGetPlatformIDs(, NULL, &nPlatform);
     listPlatform = (cl_platform_id*)malloc(nPlatform * sizeof(cl_platform_id));
     clGetPlatformIDs(nPlatform, listPlatform, NULL);

     for (i = ; i < nPlatform; i++)
     {
         clGetPlatformInfo(listPlatform[i], CL_PLATFORM_NAME, , info, NULL);
         printf("Platfom[%d]:\n\tName\t\t%s", i, info);
         clGetPlatformInfo(listPlatform[i], CL_PLATFORM_VERSION, , info, NULL);
         printf("\n\tVersion\t\t%s", info);
         //clGetPlatformInfo(listPlatform[i], CL_PLATFORM_VENDOR, 1024, info, NULL);
         //printf("\n\tVendor\t\t%s", info);
         //clGetPlatformInfo(listPlatform[i], CL_PLATFORM_PROFILE, 1024, info, NULL);
         //printf("\n\tProfile\t\t%s", info);
         clGetPlatformInfo(listPlatform[i], CL_PLATFORM_EXTENSIONS, , info, NULL);
         printf("\n\tExtension\t%s", info);

         clGetDeviceIDs(listPlatform[i], CL_DEVICE_TYPE_ALL, , NULL, &nDevice);
         listDevice = (cl_device_id*)malloc(nDevice * sizeof(cl_device_id));
         clGetDeviceIDs(listPlatform[i], CL_DEVICE_TYPE_ALL, nDevice, listDevice, NULL);

         for (j = ; j < nDevice; j++)
         {
             printf("\n");
             clGetDeviceInfo(listDevice[j], CL_DEVICE_NAME, , info, NULL);
             printf("\n\tDevice[%d]:\n\tName\t\t%s", j, info);
             clGetDeviceInfo(listDevice[j], CL_DEVICE_VERSION, , info, NULL);
             printf("\n\tVersion\t\t%s", info);
             clGetDeviceInfo(listDevice[j], CL_DEVICE_TYPE, , info, NULL);
             switch (info[])
             {
             case CL_DEVICE_TYPE_DEFAULT:strcpy_s(info, "DEFAULT"); break;
             case CL_DEVICE_TYPE_CPU:strcpy_s(info, "CPU"); break;
             case CL_DEVICE_TYPE_GPU:strcpy_s(info, "GPU"); break;
             case CL_DEVICE_TYPE_ACCELERATOR:strcpy_s(info, "ACCELERATOR"); break;
             case CL_DEVICE_TYPE_CUSTOM:strcpy_s(info, "CUSTOM"); break;
             case CL_DEVICE_TYPE_ALL:strcpy_s(info, "ALL"); break;
             }
             printf("\n\tType\t\t%s", info);

             cl_device_svm_capabilities svm;
             clGetDeviceInfo(listDevice[j], CL_DEVICE_VERSION, sizeof(cl_device_svm_capabilities), &svm, NULL);
             info[] = '\0';
             if (svm & CL_DEVICE_SVM_COARSE_GRAIN_BUFFER)
                 strcat_s(info, "COARSE_GRAIN_BUFFER ");
             if (svm & CL_DEVICE_SVM_FINE_GRAIN_BUFFER)
                 strcat_s(info, "FINE_GRAIN_BUFFER ");
             if (svm & CL_DEVICE_SVM_FINE_GRAIN_SYSTEM)
                 strcat_s(info, "FINE_GRAIN_SYSTEM ");
             if (svm & CL_DEVICE_SVM_ATOMICS)
                 strcat_s(info, "ATOMICS");
             printf("\n\tSVM\t\t%s", info);
         }
         printf("\n\n");
         free(listDevice);
     }
     free(listPlatform);
     getchar();
     return ;
 }

● 输出结果，我的电脑（需要毙掉 SVM 部分才能运行）

Platfom[]:
        Name            NVIDIA CUDA
        Version         OpenCL 1.2 CUDA 9.1.
        Extension       cl_khr_global_int32_base_atomics cl_khr_global_int32_extended_atomics cl_khr_local_int32_base_atomics cl_khr_local_int32_extended_atomics cl_khr_fp64 cl_khr_byte_addressable_store cl_khr_icd cl_khr_gl_sharing cl_nv_compiler_options cl_nv_device_attribute_query cl_nv_pragma_unroll cl_nv_d3d10_sharing cl_khr_d3d10_sharing cl_nv_d3d11_sharing cl_nv_copy_opts cl_nv_create_buffer

        Device[]:
        Name            GeForce GTX
        Version         OpenCL 1.2 CUDA
        Type            GPU

● 输出结果，办公室的电脑（旧）

Platfom[]:
        Name            AMD Accelerated Parallel Processing
        Version         OpenCL 2.0 AMD-APP (1800.11)
        Extension       cl_khr_icd cl_khr_d3d10_sharing cl_khr_d3d11_sharing cl_khr_dx9_media_sharing cl_amd_event_callback cl_amd_offline_devices

        Device[]:
        Name            Caicos
        Version         OpenCL 1.2 AMD-APP (1800.11)
        Type            GPU
        SVM             FINE_GRAIN_SYSTEM ATOMICS

        Device[]:
        Name            Intel(R) Core(TM) i7- CPU @ .40GHz
        Version         OpenCL 1.2 AMD-APP (1800.11)
        Type            CPU
        SVM             FINE_GRAIN_SYSTEM ATOMICS

Platfom[]:
        Name            Intel(R) OpenCL
        Version         OpenCL 1.2
        Extension       cl_khr_icd cl_khr_global_int32_base_atomics cl_khr_global_int32_extended_atomics cl_khr_local_int32_base_atomics cl_khr_local_int32_extended_atomics cl_khr_byte_addressable_store cl_khr_depth_images cl_khr_3d_image_writes cl_intel_exec_by_local_thread cl_khr_spir cl_khr_dx9_media_sharing cl_intel_dx9_media_sharing cl_khr_d3d11_sharing cl_khr_gl_sharing cl_khr_fp64

        Device[]:
        Name            Intel(R) Core(TM) i7- CPU @ .40GHz
        Version         OpenCL 1.2 (Build )
        Type            CPU
        SVM             FINE_GRAIN_SYSTEM ATOMICS

● 输出结果，办公室的电脑（新），不知道为什么出了两个一模一样的平台

Platfom[]:
        Name            AMD Accelerated Parallel Processing
        Version         OpenCL 2.0 AMD-APP (2348.3)
        Extension       cl_khr_icd cl_khr_d3d10_sharing cl_khr_d3d11_sharing cl_khr_dx9_media_sharing cl_amd_event_callback cl_amd_offline_devices

        Device[]:
        Name            Bonaire
        Version         OpenCL 2.0 AMD-APP (2348.3)
        Type            GPU
        SVM             COARSE_GRAIN_BUFFER FINE_GRAIN_BUFFER FINE_GRAIN_SYSTEM ATOMICS

        Device[]:
        Name            Intel(R) Core(TM) i7- CPU @ .40GHz
        Version         OpenCL 1.2 AMD-APP (2348.3)
        Type            CPU
        SVM             COARSE_GRAIN_BUFFER FINE_GRAIN_BUFFER FINE_GRAIN_SYSTEM ATOMICS

Platfom[]:
        Name            AMD Accelerated Parallel Processing
        Version         OpenCL 2.0 AMD-APP (2348.3)
        Extension       cl_khr_icd cl_khr_d3d10_sharing cl_khr_d3d11_sharing cl_khr_dx9_media_sharing cl_amd_event_callback cl_amd_offline_devices

        Device[]:
        Name            Bonaire
        Version         OpenCL 2.0 AMD-APP (2348.3)
        Type            GPU
        SVM             COARSE_GRAIN_BUFFER FINE_GRAIN_BUFFER FINE_GRAIN_SYSTEM ATOMICS

        Device[]:
        Name            Intel(R) Core(TM) i7- CPU @ .40GHz
        Version         OpenCL 1.2 AMD-APP (2348.3)
        Type            CPU
        SVM             COARSE_GRAIN_BUFFER FINE_GRAIN_BUFFER FINE_GRAIN_SYSTEM ATOMICS