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refactor initCl more

djm34
Jan Berdajs 11 years ago
parent
a564c24a4d
commit
cabbd7362f
1 changed files with 116 additions and 135 deletions
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  1. 187
      ocl.c

187
ocl.c
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@ -43,16 +43,12 @@ @@ -43,16 +43,12 @@
int opt_platform_id = -1;
int clDevicesNum(void) {
bool get_opencl_platform(int preferred_platform_id, cl_platform_id *platform) {
cl_int status;
char pbuff[256];
cl_uint numDevices;
cl_uint numPlatforms;
int most_devices = -1;
cl_platform_id *platforms = NULL;
cl_platform_id platform = NULL;
unsigned int i, mdplatform = 0;
int ret = -1;
unsigned int i;
bool ret = false;
status = clGetPlatformIDs(0, NULL, &numPlatforms);
/* If this fails, assume no GPUs. */
@ -66,6 +62,11 @@ int clDevicesNum(void) { @@ -66,6 +62,11 @@ int clDevicesNum(void) {
goto out;
}
if (preferred_platform_id >= (int)numPlatforms) {
applog(LOG_ERR, "Specified platform that does not exist");
goto out;
}
platforms = (cl_platform_id *)malloc(numPlatforms*sizeof(cl_platform_id));
status = clGetPlatformIDs(numPlatforms, platforms, NULL);
if (status != CL_SUCCESS) {
@ -74,32 +75,49 @@ int clDevicesNum(void) { @@ -74,32 +75,49 @@ int clDevicesNum(void) {
}
for (i = 0; i < numPlatforms; i++) {
if (opt_platform_id >= 0 && (int)i != opt_platform_id)
if (preferred_platform_id >= 0 && (int)i != preferred_platform_id)
continue;
status = clGetPlatformInfo( platforms[i], CL_PLATFORM_VENDOR, sizeof(pbuff), pbuff, NULL);
*platform = platforms[i];
ret = true;
break;
}
out:
if (platforms) free(platforms);
return ret;
}
int clDevicesNum(void) {
cl_int status;
char pbuff[256];
cl_uint numDevices;
cl_platform_id platform = NULL;
int ret = -1;
if (!get_opencl_platform(opt_platform_id, &platform)) {
goto out;
}
status = clGetPlatformInfo(platform, CL_PLATFORM_VENDOR, sizeof(pbuff), pbuff, NULL);
if (status != CL_SUCCESS) {
applog(LOG_ERR, "Error %d: Getting Platform Info. (clGetPlatformInfo)", status);
goto out;
}
platform = platforms[i];
applog(LOG_INFO, "CL Platform %d vendor: %s", i, pbuff);
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 %d name: %s", i, pbuff);
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 %d version: %s", i, pbuff);
applog(LOG_INFO, "CL Platform version: %s", pbuff);
status = clGetDeviceIDs(platform, CL_DEVICE_TYPE_GPU, 0, NULL, &numDevices);
if (status != CL_SUCCESS) {
applog(LOG_INFO, "Error %d: Getting Device IDs (num)", status);
continue;
}
applog(LOG_INFO, "Platform %d devices: %d", i, numDevices);
if ((int)numDevices > most_devices) {
most_devices = numDevices;
mdplatform = i;
goto out;
}
applog(LOG_INFO, "Platform devices: %d", numDevices);
if (numDevices) {
unsigned int j;
cl_device_id *devices = (cl_device_id *)malloc(numDevices*sizeof(cl_device_id));
@ -111,17 +129,31 @@ int clDevicesNum(void) { @@ -111,17 +129,31 @@ int clDevicesNum(void) {
}
free(devices);
}
}
if (opt_platform_id < 0)
opt_platform_id = mdplatform;;
ret = most_devices;
ret = numDevices;
out:
if (platforms) free(platforms);
return ret;
}
static cl_int create_opencl_context(cl_context *context, cl_platform_id *platform)
{
cl_context_properties cps[3] = { CL_CONTEXT_PLATFORM, (cl_context_properties)*platform, 0 };
cl_int status;
*context = clCreateContextFromType(cps, CL_DEVICE_TYPE_GPU, NULL, NULL, &status);
return status;
}
static cl_int create_opencl_command_queue(cl_command_queue *command_queue, cl_context *context, cl_device_id *device, cl_command_queue_properties cq_properties)
{
cl_int status;
*command_queue = clCreateCommandQueue(*context, *device,
cq_properties, &status);
if (status != CL_SUCCESS) /* Try again without OOE enable */
*command_queue = clCreateCommandQueue(*context, *device, 0, &status);
return status;
}
static float get_opencl_version(cl_device_id device)
{
/* Check for OpenCL >= 1.0 support, needed for global offset parameter usage. */
@ -144,65 +176,41 @@ static float get_opencl_version(cl_device_id device) @@ -144,65 +176,41 @@ static float get_opencl_version(cl_device_id device)
return version;
}
static bool get_opencl_bit_align_support(cl_device_id *device)
{
char extensions[1024];
const char * camo = "cl_amd_media_ops";
char *find;
cl_int status;
status = clGetDeviceInfo(*device, CL_DEVICE_EXTENSIONS, 1024, (void *)extensions, NULL);
if (status != CL_SUCCESS) {
return false;
}
find = strstr(extensions, camo);
return !!find;
}
_clState *initCl(unsigned int gpu, char *name, size_t nameSize, algorithm_t *algorithm)
{
_clState *clState = (_clState *)calloc(1, sizeof(_clState));
struct cgpu_info *cgpu = &gpus[gpu];
cl_platform_id platform = NULL;
char pbuff[256], vbuff[255];
char pbuff[256];
build_kernel_data *build_data = (build_kernel_data *) alloca(sizeof(struct _build_kernel_data));
cl_platform_id* platforms;
cl_uint preferred_vwidth;
cl_device_id *devices;
cl_uint numPlatforms;
cl_uint numDevices;
cl_int status;
status = clGetPlatformIDs(0, NULL, &numPlatforms);
if (status != CL_SUCCESS) {
applog(LOG_ERR, "Error %d: Getting Platforms. (clGetPlatformsIDs)", status);
return NULL;
}
platforms = (cl_platform_id *)alloca(numPlatforms*sizeof(cl_platform_id));
status = clGetPlatformIDs(numPlatforms, platforms, NULL);
if (status != CL_SUCCESS) {
applog(LOG_ERR, "Error %d: Getting Platform Ids. (clGetPlatformsIDs)", status);
if (!get_opencl_platform(opt_platform_id, &platform)) {
return NULL;
}
if (opt_platform_id >= (int)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 %d: Getting Platform Info. (clGetPlatformInfo)", status);
return NULL;
}
platform = platforms[opt_platform_id];
if (platform == NULL) {
perror("NULL platform found!\n");
return NULL;
}
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(vbuff), vbuff, NULL);
if (status == CL_SUCCESS)
applog(LOG_INFO, "CL Platform version: %s", vbuff);
numDevices = clDevicesNum();
status = clGetDeviceIDs(platform, CL_DEVICE_TYPE_GPU, 0, NULL, &numDevices);
if (status != CL_SUCCESS) {
applog(LOG_ERR, "Error %d: Getting Device IDs (num)", status);
return NULL;
}
if (numDevices <= 0 ) return NULL;
if (numDevices > 0 ) {
devices = (cl_device_id *)alloca(numDevices*sizeof(cl_device_id));
/* Now, get the device list data */
@ -224,58 +232,31 @@ _clState *initCl(unsigned int gpu, char *name, size_t nameSize, algorithm_t *alg @@ -224,58 +232,31 @@ _clState *initCl(unsigned int gpu, char *name, size_t nameSize, algorithm_t *alg
}
applog(LOG_INFO, "\t%i\t%s", i, pbuff);
}
if (gpu < numDevices) {
status = clGetDeviceInfo(devices[gpu], CL_DEVICE_NAME, sizeof(pbuff), pbuff, NULL);
if (status != CL_SUCCESS) {
applog(LOG_ERR, "Error %d: Getting Device Info", status);
return NULL;
}
if (i == gpu) {
applog(LOG_INFO, "Selected %i: %s", gpu, pbuff);
strncpy(name, pbuff, nameSize);
} else {
}
}
if (gpu >= numDevices) {
applog(LOG_ERR, "Invalid GPU %i", gpu);
return NULL;
}
} else return NULL;
cl_context_properties cps[3] = { CL_CONTEXT_PLATFORM, (cl_context_properties)platform, 0 };
clState->context = clCreateContextFromType(cps, CL_DEVICE_TYPE_GPU, NULL, NULL, &status);
status = create_opencl_context(&clState->context, &platform);
if (status != CL_SUCCESS) {
applog(LOG_ERR, "Error %d: Creating Context. (clCreateContextFromType)", status);
return NULL;
}
/////////////////////////////////////////////////////////////////
// Create an OpenCL command queue
/////////////////////////////////////////////////////////////////
clState->commandQueue = clCreateCommandQueue(clState->context, devices[gpu],
cgpu->algorithm.cq_properties, &status);
if (status != CL_SUCCESS) /* Try again without OOE enable */
clState->commandQueue = clCreateCommandQueue(clState->context, devices[gpu], 0 , &status);
status = create_opencl_command_queue(&clState->commandQueue, &clState->context, &devices[gpu], cgpu->algorithm.cq_properties);
if (status != CL_SUCCESS) {
applog(LOG_ERR, "Error %d: Creating Command Queue. (clCreateCommandQueue)", status);
return NULL;
}
/* Check for BFI INT support. Hopefully people don't mix devices with
* and without it! */
char extensions[1024];
const char * camo = "cl_amd_media_ops";
char *find;
status = clGetDeviceInfo(devices[gpu], CL_DEVICE_EXTENSIONS, 1024, (void *)extensions, NULL);
if (status != CL_SUCCESS) {
applog(LOG_ERR, "Error %d: Failed to clGetDeviceInfo when trying to get CL_DEVICE_EXTENSIONS", status);
return NULL;
}
find = strstr(extensions, camo);
if (find)
clState->hasBitAlign = true;
clState->hasBitAlign = get_opencl_bit_align_support(&devices[gpu]);
status = clGetDeviceInfo(devices[gpu], CL_DEVICE_PREFERRED_VECTOR_WIDTH_INT, sizeof(cl_uint), (void *)&preferred_vwidth, NULL);
if (status != CL_SUCCESS) {

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