Trying some stuff w/ dropout

Joseph Redmon

2014-08-28 76ee68f96d864a27312c9aa09856ddda559a5cd9

 src/opencl.c

@@ -11,6 +11,7 @@

void check_error(cl_info info)
{
    clFinish(cl.queue);
    if (info.error != CL_SUCCESS) {
        printf("\n Error number %d", info.error);
        exit(1);
@@ -27,13 +28,60 @@
    // Fetch the Platform and Device IDs; we only want one.
    cl_device_id devices[MAX_DEVICES];
    info.error=clGetPlatformIDs(1, &info.platform, &num_platforms);

    printf("=== %d OpenCL platform(s) found: ===\n", num_platforms);
    char buffer[10240];
    clGetPlatformInfo(info.platform, CL_PLATFORM_PROFILE, 10240, buffer, NULL);
    printf("  PROFILE = %s\n", buffer);
    clGetPlatformInfo(info.platform, CL_PLATFORM_VERSION, 10240, buffer, NULL);
    printf("  VERSION = %s\n", buffer);
    clGetPlatformInfo(info.platform, CL_PLATFORM_NAME, 10240, buffer, NULL);
    printf("  NAME = %s\n", buffer);
    clGetPlatformInfo(info.platform, CL_PLATFORM_VENDOR, 10240, buffer, NULL);
    printf("  VENDOR = %s\n", buffer);
    clGetPlatformInfo(info.platform, CL_PLATFORM_EXTENSIONS, 10240, buffer, NULL);
    printf("  EXTENSIONS = %s\n", buffer);

    check_error(info);
    info.error=clGetDeviceIDs(info.platform, CL_DEVICE_TYPE_ALL, MAX_DEVICES, devices, &num_devices);
    if(num_devices > MAX_DEVICES) num_devices = MAX_DEVICES;
    printf("=== %d OpenCL device(s) found on platform:\n", num_devices);
    int i;
    for (i=0; i<num_devices; i++)
    {
        char buffer[10240];
        cl_uint buf_uint;
        cl_ulong buf_ulong;
        printf("  -- %d --\n", i);
        clGetDeviceInfo(devices[i], CL_DEVICE_NAME, sizeof(buffer), buffer, NULL);
        printf("  DEVICE_NAME = %s\n", buffer);
        clGetDeviceInfo(devices[i], CL_DEVICE_VENDOR, sizeof(buffer), buffer, NULL);
        printf("  DEVICE_VENDOR = %s\n", buffer);
        clGetDeviceInfo(devices[i], CL_DEVICE_VERSION, sizeof(buffer), buffer, NULL);
        printf("  DEVICE_VERSION = %s\n", buffer);
        clGetDeviceInfo(devices[i], CL_DRIVER_VERSION, sizeof(buffer), buffer, NULL);
        printf("  DRIVER_VERSION = %s\n", buffer);
        clGetDeviceInfo(devices[i], CL_DEVICE_MAX_COMPUTE_UNITS, sizeof(buf_uint), &buf_uint, NULL);
        printf("  DEVICE_MAX_COMPUTE_UNITS = %u\n", (unsigned int)buf_uint);
        clGetDeviceInfo(devices[i], CL_DEVICE_MAX_CLOCK_FREQUENCY, sizeof(buf_uint), &buf_uint, NULL);
        printf("  DEVICE_MAX_CLOCK_FREQUENCY = %u\n", (unsigned int)buf_uint);
        clGetDeviceInfo(devices[i], CL_DEVICE_GLOBAL_MEM_SIZE, sizeof(buf_ulong), &buf_ulong, NULL);
        printf("  DEVICE_GLOBAL_MEM_SIZE = %llu\n", (unsigned long long)buf_ulong);
        clGetDeviceInfo(devices[i], CL_DEVICE_MAX_WORK_GROUP_SIZE, sizeof(buf_ulong), &buf_ulong, NULL);
        printf("  DEVICE_MAX_WORK_GROUP_SIZE = %llu\n", (unsigned long long)buf_ulong);
        cl_uint items;
        clGetDeviceInfo( devices[i], CL_DEVICE_MAX_WORK_ITEM_DIMENSIONS, sizeof(cl_uint), 
                                       &items, NULL);
        printf("  DEVICE_MAX_WORK_ITEM_DIMENSIONS = %u\n", (unsigned int)items);
        size_t workitem_size[10];
        clGetDeviceInfo(devices[i], CL_DEVICE_MAX_WORK_ITEM_SIZES, 10*sizeof(workitem_size), workitem_size, NULL);
        printf("  DEVICE_MAX_WORK_ITEM_SIZES = %u / %u / %u \n", (unsigned int)workitem_size[0], (unsigned int)workitem_size[1], (unsigned int)workitem_size[2]);

    }
    int index = getpid()%num_devices;
    printf("%d rand, %d devices, %d index\n", getpid(), num_devices, index);
    //info.device = devices[index];
    info.device = devices[1];
    info.device = devices[0];
    fprintf(stderr, "Found %d device(s)\n", num_devices);
    check_error(info);

@@ -52,8 +100,8 @@
cl_program cl_fprog(char *filename, char *options, cl_info info)
{
   size_t srcsize;
   char src[8192];
   memset(src, 0, 8192);
   char src[64*1024];
   memset(src, 0, 64*1024);
   FILE *fil=fopen(filename,"r");
   srcsize=fread(src, sizeof src, 1, fil);
   fclose(fil);
@@ -61,12 +109,12 @@
   // Submit the source code of the example kernel to OpenCL
   cl_program prog=clCreateProgramWithSource(info.context,1, srcptr, &srcsize, &info.error);
   check_error(info);
   char build_c[4096];
   char build_c[1024*64];
   // and compile it (after this we could extract the compiled version)
   info.error=clBuildProgram(prog, 0, 0, options, 0, 0);
   if ( info.error != CL_SUCCESS ) {
      fprintf(stderr, "Error Building Program: %d\n", info.error);
      clGetProgramBuildInfo( prog, info.device, CL_PROGRAM_BUILD_LOG, 4096, build_c, 0);
      clGetProgramBuildInfo( prog, info.device, CL_PROGRAM_BUILD_LOG, 1024*64, build_c, 0);
      fprintf(stderr, "Build Log for %s program:\n%s\n", filename, build_c);
   }
   check_error(info);
@@ -115,7 +163,8 @@
    cl_buffer_region r;
    r.origin = offset*sizeof(float);
    r.size = size*sizeof(float);
    cl_mem sub = clCreateSubBuffer(src, CL_MEM_USE_HOST_PTR, CL_BUFFER_CREATE_TYPE_REGION, &r, 0);
    cl_mem sub = clCreateSubBuffer(src, CL_MEM_READ_WRITE, CL_BUFFER_CREATE_TYPE_REGION, &r, &cl.error);
    check_error(cl);
    return sub;
}