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Iterate over all platforms displaying their information and number of devices when --ndevs is called.

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This commit is contained in:
ckolivas 2012-02-04 14:47:23 +11:00
parent a1d230e879
commit a4f47812ff
3 changed files with 38 additions and 43 deletions
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2
device-gpu.c
View File

@ -425,7 +425,7 @@ char *print_ndevs_and_exit(int *ndevs)
opt_log_output = true;
opencl_api.api_detect();
clear_adl(*ndevs);
applog(LOG_INFO, "%i GPU devices detected", *ndevs);
applog(LOG_INFO, "%i GPU devices max detected", *ndevs);
exit(*ndevs);
}
#endif

77
ocl.c
View File

@ -68,65 +68,60 @@ char *file_contents(const char *filename, int *length)
return (char*)buffer;
}
int clDevicesNum() {
int clDevicesNum(void) {
cl_int status;
char pbuff[256];
cl_uint numDevices;
cl_uint numPlatforms;
cl_platform_id *platforms;
cl_platform_id platform = NULL;
unsigned int most_devices = 0, i;
status = clGetPlatformIDs(0, NULL, &numPlatforms);
/* If this fails, assume no GPUs. */
if (status != CL_SUCCESS) {
applog(LOG_INFO, "clGetPlatformsIDs failed (no GPU?)");
return 0;
applog(LOG_ERR, "clGetPlatformsIDs failed (no OpenCL SDK installed?)");
return -1;
}
if (numPlatforms > 0) {
cl_platform_id* platforms = (cl_platform_id *)malloc(numPlatforms*sizeof(cl_platform_id));
unsigned int i;
if (numPlatforms == 0) {
applog(LOG_ERR, "clGetPlatformsIDs returned no platforms (no OpenCL SDK installed?)");
return -1;
}
status = clGetPlatformIDs(numPlatforms, platforms, NULL);
platforms = (cl_platform_id *)alloca(numPlatforms*sizeof(cl_platform_id));
status = clGetPlatformIDs(numPlatforms, platforms, NULL);
if (status != CL_SUCCESS) {
applog(LOG_ERR, "Error: Getting Platform Ids. (clGetPlatformsIDs)");
return -1;
}
for (i = 0; i < numPlatforms; i++) {
status = clGetPlatformInfo( platforms[i], CL_PLATFORM_VENDOR, sizeof(pbuff), pbuff, NULL);
if (status != CL_SUCCESS) {
applog(LOG_ERR, "Error: Getting Platform Ids. (clGetPlatformsIDs)");
applog(LOG_ERR, "Error: Getting Platform Info. (clGetPlatformInfo)");
free(platforms);
return -1;
}
for (i = 0; i < numPlatforms; ++i) {
status = clGetPlatformInfo( platforms[i], CL_PLATFORM_VENDOR, sizeof(pbuff), pbuff, NULL);
if (status != CL_SUCCESS) {
applog(LOG_ERR, "Error: Getting Platform Info. (clGetPlatformInfo)");
free(platforms);
return -1;
}
platform = platforms[i];
if (!strcmp(pbuff, "Advanced Micro Devices, Inc.") ||
!strcmp(pbuff, "NVIDIA Corporation"))
break;
platform = platforms[i];
applog(LOG_INFO, "CL Platform vendor: %s", pbuff);
status = clGetPlatformInfo(platform, CL_PLATFORM_NAME, sizeof(pbuff), pbuff, NULL);
if (status == CL_SUCCESS)
applog(LOG_INFO, "CL Platform name: %s", pbuff);
status = clGetPlatformInfo(platform, CL_PLATFORM_VERSION, sizeof(pbuff), pbuff, NULL);
if (status == CL_SUCCESS)
applog(LOG_INFO, "CL Platform version: %s", pbuff);
status = clGetDeviceIDs(platform, CL_DEVICE_TYPE_GPU, 0, NULL, &numDevices);
if (status != CL_SUCCESS) {
applog(LOG_ERR, "Error: Getting Device IDs (num)");
return -1;
}
free(platforms);
applog(LOG_INFO, "Platform devices: %d", numDevices);
if (numDevices > most_devices)
most_devices = numDevices;
}
if (platform == NULL) {
perror("NULL platform found!\n");
return -1;
}
applog(LOG_INFO, "CL Platform vendor: %s", pbuff);
status = clGetPlatformInfo(platform, CL_PLATFORM_NAME, sizeof(pbuff), pbuff, NULL);
if (status == CL_SUCCESS)
applog(LOG_INFO, "CL Platform name: %s", pbuff);
status = clGetPlatformInfo(platform, CL_PLATFORM_VERSION, sizeof(pbuff), pbuff, NULL);
if (status == CL_SUCCESS)
applog(LOG_INFO, "CL Platform version: %s", pbuff);
status = clGetDeviceIDs(platform, CL_DEVICE_TYPE_GPU, 0, NULL, &numDevices);
if (status != CL_SUCCESS) {
applog(LOG_ERR, "Error: Getting Device IDs (num)");
return -1;
}
return numDevices;
return most_devices;
}
static int advance(char **area, unsigned *remaining, const char *marker)

2
ocl.h
View File

@ -24,7 +24,7 @@ typedef struct {
} _clState;
extern char *file_contents(const char *filename, int *length);
extern int clDevicesNum();
extern int clDevicesNum(void);
extern _clState *initCl(unsigned int gpu, char *name, size_t nameSize);
#endif /* HAVE_OPENCL */
#endif /* __OCL_H__ */