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opencl-info.cpp
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// copyright 2013 Jens Schwarzer ([email protected])
// OpenCL info dump
#define CL_USE_DEPRECATED_OPENCL_1_1_APIS // define CL_USE_DEPRECATED_OPENCL_1_1_APIS until further
#define __CL_ENABLE_EXCEPTIONS // enable exceptions
#if defined(__APPLE__) || defined(__MACOSX)
# include <OpenCL/cl.hpp>
#else
# include <CL/cl.hpp>
#endif
#include <iostream>
using std::cout;
// macros to reduce pollution
#define P(obj, w) cout << #w << ": " << obj.getInfo<w>() << "\n";
#define Pbool(obj, w) cout << std::boolalpha << #w << ": " << static_cast<bool>(obj.getInfo<w>()) << "\n";
#define PbitmapStart(obj, w) { unsigned bitmap = obj.getInfo<w>(); cout << #w << ": ";
#define PbitmapTest(w) if (bitmap & w) cout << #w " ";
#define PbitmapEnd cout << "\n"; }
#define PconstStart(obj, w) { unsigned constant = obj.getInfo<w>(); cout << #w << ": ";
#define PconstTest(w) if (constant == w) cout << #w "\n";
#define PconstEnd }
int main() {
try {
std::vector<cl::Platform> platforms;
(void)cl::Platform::get(&platforms);
cout << "Number of platforms: " << platforms.size() << "\n";
// dump platform information
for (auto platform : platforms) {
P(platform, CL_PLATFORM_PROFILE);
P(platform, CL_PLATFORM_VERSION);
P(platform, CL_PLATFORM_NAME);
P(platform, CL_PLATFORM_VENDOR);
P(platform, CL_PLATFORM_EXTENSIONS);
std::vector<cl::Device> devices;
(void)platform.getDevices(CL_DEVICE_TYPE_ALL, &devices);
cout << "Number of devices: " << devices.size() << "\n";
// dump device information
for (auto device : devices) {
PbitmapStart(device, CL_DEVICE_TYPE);
PbitmapTest(CL_DEVICE_TYPE_CPU);
PbitmapTest(CL_DEVICE_TYPE_GPU);
PbitmapTest(CL_DEVICE_TYPE_ACCELERATOR);
PbitmapTest(CL_DEVICE_TYPE_DEFAULT);
PbitmapTest(CL_DEVICE_TYPE_CUSTOM);
PbitmapEnd;
P(device, CL_DEVICE_VENDOR_ID);
P(device, CL_DEVICE_MAX_COMPUTE_UNITS);
P(device, CL_DEVICE_MAX_WORK_ITEM_DIMENSIONS);
std::vector<size_t> sizes = device.getInfo<CL_DEVICE_MAX_WORK_ITEM_SIZES>();
cout << "CL_DEVICE_MAX_WORK_ITEM_SIZES: ";
for (auto size : sizes) { cout << size << " "; }
cout << "\n";
P(device, CL_DEVICE_MAX_WORK_GROUP_SIZE);
P(device, CL_DEVICE_PREFERRED_VECTOR_WIDTH_CHAR);
P(device, CL_DEVICE_PREFERRED_VECTOR_WIDTH_SHORT);
P(device, CL_DEVICE_PREFERRED_VECTOR_WIDTH_INT);
P(device, CL_DEVICE_PREFERRED_VECTOR_WIDTH_LONG);
P(device, CL_DEVICE_PREFERRED_VECTOR_WIDTH_FLOAT);
P(device, CL_DEVICE_PREFERRED_VECTOR_WIDTH_DOUBLE);
P(device, CL_DEVICE_PREFERRED_VECTOR_WIDTH_HALF);
P(device, CL_DEVICE_NATIVE_VECTOR_WIDTH_CHAR);
P(device, CL_DEVICE_NATIVE_VECTOR_WIDTH_SHORT);
P(device, CL_DEVICE_NATIVE_VECTOR_WIDTH_INT);
P(device, CL_DEVICE_NATIVE_VECTOR_WIDTH_LONG);
P(device, CL_DEVICE_NATIVE_VECTOR_WIDTH_FLOAT);
P(device, CL_DEVICE_NATIVE_VECTOR_WIDTH_DOUBLE);
P(device, CL_DEVICE_NATIVE_VECTOR_WIDTH_HALF);
P(device, CL_DEVICE_MAX_CLOCK_FREQUENCY);
P(device, CL_DEVICE_ADDRESS_BITS);
P(device, CL_DEVICE_MAX_MEM_ALLOC_SIZE);
Pbool(device, CL_DEVICE_IMAGE_SUPPORT);
P(device, CL_DEVICE_MAX_READ_IMAGE_ARGS);
P(device, CL_DEVICE_MAX_WRITE_IMAGE_ARGS);
P(device, CL_DEVICE_IMAGE2D_MAX_WIDTH);
P(device, CL_DEVICE_IMAGE2D_MAX_HEIGHT);
P(device, CL_DEVICE_IMAGE3D_MAX_WIDTH);
P(device, CL_DEVICE_IMAGE3D_MAX_HEIGHT);
P(device, CL_DEVICE_IMAGE3D_MAX_DEPTH);
// P(device, CL_DEVICE_IMAGE_MAX_BUFFER_SIZE);
// P(device, CL_DEVICE_IMAGE_MAX_ARRAY_SIZE);
P(device, CL_DEVICE_MAX_SAMPLERS);
P(device, CL_DEVICE_MAX_PARAMETER_SIZE);
P(device, CL_DEVICE_MEM_BASE_ADDR_ALIGN);
PbitmapStart(device, CL_DEVICE_SINGLE_FP_CONFIG);
PbitmapTest(CL_FP_DENORM);
PbitmapTest(CL_FP_INF_NAN);
PbitmapTest(CL_FP_ROUND_TO_NEAREST);
PbitmapTest(CL_FP_ROUND_TO_ZERO);
PbitmapTest(CL_FP_ROUND_TO_INF);
PbitmapTest(CL_FP_FMA);
PbitmapTest(CL_FP_CORRECTLY_ROUNDED_DIVIDE_SQRT);
PbitmapTest(CL_FP_SOFT_FLOAT);
PbitmapEnd;
PbitmapStart(device, CL_DEVICE_DOUBLE_FP_CONFIG);
PbitmapTest(CL_FP_DENORM);
PbitmapTest(CL_FP_INF_NAN);
PbitmapTest(CL_FP_ROUND_TO_NEAREST);
PbitmapTest(CL_FP_ROUND_TO_ZERO);
PbitmapTest(CL_FP_ROUND_TO_INF);
PbitmapTest(CL_FP_FMA);
PbitmapTest(CL_FP_CORRECTLY_ROUNDED_DIVIDE_SQRT);
PbitmapTest(CL_FP_SOFT_FLOAT);
PbitmapEnd;
PconstStart(device, CL_DEVICE_GLOBAL_MEM_CACHE_TYPE);
PconstTest(CL_NONE);
PconstTest(CL_READ_ONLY_CACHE);
PconstTest(CL_READ_WRITE_CACHE);
PconstEnd;
P(device, CL_DEVICE_GLOBAL_MEM_CACHELINE_SIZE);
P(device, CL_DEVICE_GLOBAL_MEM_CACHE_SIZE);
P(device, CL_DEVICE_GLOBAL_MEM_SIZE);
P(device, CL_DEVICE_MAX_CONSTANT_BUFFER_SIZE);
P(device, CL_DEVICE_MAX_CONSTANT_ARGS);
PconstStart(device, CL_DEVICE_LOCAL_MEM_TYPE);
PconstTest(CL_NONE);
PconstTest(CL_LOCAL);
PconstTest(CL_GLOBAL);
PconstEnd;
P(device, CL_DEVICE_LOCAL_MEM_SIZE);
Pbool(device, CL_DEVICE_ERROR_CORRECTION_SUPPORT);
Pbool(device, CL_DEVICE_HOST_UNIFIED_MEMORY);
P(device, CL_DEVICE_PROFILING_TIMER_RESOLUTION);
Pbool(device, CL_DEVICE_ENDIAN_LITTLE);
Pbool(device, CL_DEVICE_AVAILABLE);
Pbool(device, CL_DEVICE_COMPILER_AVAILABLE);
// P(device, CL_DEVICE_LINKER_AVAILABLE);
PbitmapStart(device, CL_DEVICE_EXECUTION_CAPABILITIES);
PbitmapTest(CL_EXEC_KERNEL);
PbitmapTest(CL_EXEC_NATIVE_KERNEL);
PbitmapEnd;
PbitmapStart(device, CL_DEVICE_QUEUE_PROPERTIES);
PbitmapTest(CL_QUEUE_OUT_OF_ORDER_EXEC_MODE_ENABLE);
PbitmapTest(CL_QUEUE_PROFILING_ENABLE);
PbitmapEnd;
// P(device, CL_DEVICE_BUILT_IN_KERNELS);
P(device, CL_DEVICE_PLATFORM);
P(device, CL_DEVICE_NAME);
P(device, CL_DEVICE_VENDOR);
P(device, CL_DRIVER_VERSION);
P(device, CL_DEVICE_PROFILE);
P(device, CL_DEVICE_VERSION);
P(device, CL_DEVICE_OPENCL_C_VERSION);
P(device, CL_DEVICE_EXTENSIONS);
// P(device, CL_DEVICE_PRINTF_BUFFER_SIZE);
// Pbool(device, CL_DEVICE_PREFERRED_INTEROP_USER_SYNC);
// P(device, CL_DEVICE_PARENT_DEVICE);
// P(device, CL_DEVICE_PARTITION_MAX_SUB_DEVICES);
// P(device, CL_DEVICE_PARTITION_PROPERTIES);
// P(device, CL_DEVICE_PARTITION_AFFINITY_DOMAIN);
// P(device, CL_DEVICE_PARTITION_TYPE);
// P(device, CL_DEVICE_REFERENCE_COUNT);
}
}
}
catch (cl::Error err) {
std::cerr << "ERROR: " << err.what() << "(";
switch (err.err())
{
case CL_INVALID_VALUE: std::cerr << "CL_INVALID_VALUE"; break;
case CL_INVALID_DEVICE_TYPE: std::cerr << "CL_INVALID_DEVICE_TYPE"; break;
case CL_DEVICE_NOT_FOUND: std::cerr << "CL_DEVICE_NOT_FOUND"; break;
default: std::cerr << err.err(); break;
}
std::cerr << ")\n";
}
}