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Code Issues Releases Wiki Activity

Allow the OpenCL platform ID to be chosen with --gpu-platform.

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This commit is contained in:
ckolivas 2012-02-04 15:15:57 +11:00
parent a4f47812ff
commit 53c1e9ae37
3 changed files with 29 additions and 30 deletions
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7
cgminer.c
View File

@ -641,10 +641,13 @@ static struct opt_table opt_config_table[] = {
OPT_WITH_ARG("--expiry|-E",
set_int_0_to_9999, opt_show_intval, &opt_expiry,
"Upper bound on how many seconds after getting work we consider a share from it stale"),
#ifdef HAVE_OPENCL
OPT_WITHOUT_ARG("--failover-only",
opt_set_bool, &opt_fail_only,
"Don't leak work to backup pools when primary pool is lagging"),
#ifdef HAVE_OPENCL
OPT_WITH_ARG("--gpu-platform",
set_int_0_to_9999, opt_show_intval, &opt_platform_id,
"Select OpenCL platform ID to use for GPU mining"),
OPT_WITH_ARG("--gpu-threads|-g",
set_int_1_to_10, opt_show_intval, &opt_g_threads,
"Number of threads per GPU (1 - 10)"),
@ -938,7 +941,7 @@ static struct opt_table opt_cmdline_table[] = {
#ifdef HAVE_OPENCL
OPT_WITHOUT_ARG("--ndevs|-n",
print_ndevs_and_exit, &nDevs,
"Display number of detected GPUs, OpenCL information, and exit"),
"Display number of detected GPUs, OpenCL platform information, and exit"),
#endif
OPT_WITHOUT_ARG("--version|-V",
opt_version_and_exit, packagename,

51
ocl.c
View File

@ -29,6 +29,7 @@
extern int opt_vectors;
extern int opt_worksize;
int opt_platform_id;
char *file_contents(const char *filename, int *length)
{
@ -100,23 +101,22 @@ int clDevicesNum(void) {
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];
applog(LOG_INFO, "CL Platform vendor: %s", pbuff);
applog(LOG_INFO, "CL Platform %d vendor: %s", i, pbuff);
status = clGetPlatformInfo(platform, CL_PLATFORM_NAME, sizeof(pbuff), pbuff, NULL);
if (status == CL_SUCCESS)
applog(LOG_INFO, "CL Platform name: %s", pbuff);
applog(LOG_INFO, "CL Platform %d name: %s", i, pbuff);
status = clGetPlatformInfo(platform, CL_PLATFORM_VERSION, sizeof(pbuff), pbuff, NULL);
if (status == CL_SUCCESS)
applog(LOG_INFO, "CL Platform version: %s", pbuff);
applog(LOG_INFO, "CL Platform %d version: %s", i, 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;
}
applog(LOG_INFO, "Platform devices: %d", numDevices);
applog(LOG_INFO, "Platform %d devices: %d", i, numDevices);
if (numDevices > most_devices)
most_devices = numDevices;
}
@ -189,11 +189,11 @@ _clState *initCl(unsigned int gpu, char *name, size_t nameSize)
_clState *clState = calloc(1, sizeof(_clState));
bool patchbfi = false, prog_built = false;
cl_platform_id platform = NULL;
cl_platform_id* platforms;
cl_device_id *devices;
cl_uint numPlatforms;
cl_uint numDevices;
char pbuff[256];
unsigned int i;
cl_int status;
status = clGetPlatformIDs(0, NULL, &numPlatforms);
@ -202,30 +202,25 @@ _clState *initCl(unsigned int gpu, char *name, size_t nameSize)
return NULL;
}
if (numPlatforms > 0) {
cl_platform_id* platforms = (cl_platform_id *)malloc(numPlatforms*sizeof(cl_platform_id));
status = clGetPlatformIDs(numPlatforms, platforms, NULL);
if (status != CL_SUCCESS) {
applog(LOG_ERR, "Error: Getting Platform Ids. (clGetPlatformsIDs)");
return NULL;
}
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 NULL;
}
platform = platforms[i];
if (!strcmp(pbuff, "Advanced Micro Devices, Inc.") ||
!strcmp(pbuff, "NVIDIA Corporation"))
break;
}
free(platforms);
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 NULL;
}
if (opt_platform_id >= numPlatforms) {
applog(LOG_ERR, "Specified platform that does not exist");
return NULL;
}
status = clGetPlatformInfo(platforms[opt_platform_id], CL_PLATFORM_VENDOR, sizeof(pbuff), pbuff, NULL);
if (status != CL_SUCCESS) {
applog(LOG_ERR, "Error: Getting Platform Info. (clGetPlatformInfo)");
return NULL;
}
platform = platforms[opt_platform_id];
if (platform == NULL) {
perror("NULL platform found!\n");
return NULL;

1
ocl.h
View File

@ -26,5 +26,6 @@ typedef struct {
extern char *file_contents(const char *filename, int *length);
extern int clDevicesNum(void);
extern _clState *initCl(unsigned int gpu, char *name, size_t nameSize);
extern int opt_platform_id;
#endif /* HAVE_OPENCL */
#endif /* __OCL_H__ */