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Task00 Вербин Никита SPbU #9

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Task00 Вербин Никита SPbU #9

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663342c
solve all tasks
verbinna22 Sep 15, 2024
be66765
fix local memory and device type
verbinna22 Sep 15, 2024
26ea1ee
refactoring
verbinna22 Sep 15, 2024
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66 changes: 65 additions & 1 deletion src/main.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -6,6 +6,8 @@
#include <stdexcept>
#include <vector>

#define BYTES_IN_MEGABYTE (1 << 20)
#define BYTES_IN_KILOBYTE (1 << 10)

template<typename T>
std::string to_string(T value) {
Expand Down Expand Up @@ -53,6 +55,7 @@ int main() {
// Не забывайте проверять коды ошибок с помощью макроса OCL_SAFE_CALL
size_t platformNameSize = 0;
OCL_SAFE_CALL(clGetPlatformInfo(platform, CL_PLATFORM_NAME, 0, nullptr, &platformNameSize));
// OCL_SAFE_CALL(clGetPlatformInfo(platform, 239, 0, nullptr, &platformNameSize));
// TODO 1.1
// Попробуйте вместо CL_PLATFORM_NAME передать какое-нибудь случайное число - например 239
// Т.к. это некорректный идентификатор параметра платформы - то метод вернет код ошибки
Expand All @@ -68,18 +71,79 @@ int main() {
// TODO 1.2
// Аналогично тому, как был запрошен список идентификаторов всех платформ - так и с названием платформы, теперь, когда известна длина названия - его можно запросить:
std::vector<unsigned char> platformName(platformNameSize, 0);
// clGetPlatformInfo(...);
OCL_SAFE_CALL(clGetPlatformInfo(platform, CL_PLATFORM_NAME, platformNameSize, platformName.data(), nullptr));
std::cout << " Platform name: " << platformName.data() << std::endl;

// TODO 1.3
// Запросите и напечатайте так же в консоль вендора данной платформы
size_t vendorNameSize = 0;
OCL_SAFE_CALL(clGetPlatformInfo(platform, CL_PLATFORM_VENDOR, 0, nullptr, &vendorNameSize));
std::vector<unsigned char> vendorName(vendorNameSize, 0);
OCL_SAFE_CALL(clGetPlatformInfo(platform, CL_PLATFORM_VENDOR, vendorNameSize, vendorName.data(), nullptr));
std::cout << " Vendor name: " << vendorName.data() << std::endl;

// TODO 2.1
// Запросите число доступных устройств данной платформы (аналогично тому, как это было сделано для запроса числа доступных платформ - см. секцию "OpenCL Runtime" -> "Query Devices")
cl_uint devicesCount = 0;
OCL_SAFE_CALL(clGetDeviceIDs(platform, CL_DEVICE_TYPE_ALL, 0, nullptr, &devicesCount));
std::cout << " Number of devices: " << devicesCount << std::endl;

std::vector<cl_device_id> devicesIds(devicesCount);
OCL_SAFE_CALL(clGetDeviceIDs(platform, CL_DEVICE_TYPE_ALL, devicesCount, devicesIds.data(), nullptr));

for (int deviceIndex = 0; deviceIndex < devicesCount; ++deviceIndex) {
// TODO 2.2
cl_device_id deviceId = devicesIds[deviceIndex];
size_t deviceNameSize;
std::cout << " Device: " << deviceIndex + 1 << "/" << devicesCount << std::endl;
OCL_SAFE_CALL(clGetDeviceInfo(deviceId, CL_DEVICE_NAME, 0, nullptr, &deviceNameSize));
std::vector<unsigned char> deviceName(deviceNameSize, 0);
OCL_SAFE_CALL(clGetDeviceInfo(deviceId, CL_DEVICE_NAME, deviceNameSize, deviceName.data(), nullptr));
std::cout << " Device name: " << deviceName.data() << std::endl;
cl_device_type deviceType;
OCL_SAFE_CALL(clGetDeviceInfo(deviceId, CL_DEVICE_TYPE, sizeof deviceType, &deviceType, nullptr));
std::cout << " Device type:";
if (deviceType & (CL_DEVICE_TYPE_CPU | CL_DEVICE_TYPE_GPU | CL_DEVICE_TYPE_ACCELERATOR)) {
if (deviceType & CL_DEVICE_TYPE_CPU)
std::cout << " CPU";
if (deviceType & CL_DEVICE_TYPE_GPU)
std::cout << " GPU";
if (deviceType & CL_DEVICE_TYPE_ACCELERATOR)
std::cout << " Accelerator";
} else
std::cout << " Unknown device";
if (deviceType & CL_DEVICE_TYPE_DEFAULT)
std::cout << " (and it is default device)";
std::cout << std::endl;
cl_ulong globalMemorySize;
OCL_SAFE_CALL(clGetDeviceInfo(deviceId, CL_DEVICE_GLOBAL_MEM_SIZE, sizeof globalMemorySize,
&globalMemorySize, nullptr));
cl_ulong localMemorySize;
OCL_SAFE_CALL(clGetDeviceInfo(deviceId, CL_DEVICE_LOCAL_MEM_SIZE, sizeof localMemorySize, &localMemorySize,
nullptr));
std::cout << " Memory size: " << (static_cast<double>(globalMemorySize)) / BYTES_IN_MEGABYTE << " MB"
<< std::endl;
std::cout << " Local memory size: " << (static_cast<double>(localMemorySize)) / BYTES_IN_KILOBYTE
<< " KB" << std::endl;
cl_bool isAvailable;
OCL_SAFE_CALL(clGetDeviceInfo(deviceId, CL_DEVICE_AVAILABLE, sizeof isAvailable, &isAvailable, nullptr));
std::cout << " Device is" << ((isAvailable) ? "" : " not") << " available" << std::endl;
size_t deviceVersionSize;
OCL_SAFE_CALL(clGetDeviceInfo(deviceId, CL_DEVICE_VERSION, 0, nullptr, &deviceVersionSize));
std::vector<unsigned char> deviceVersion(deviceVersionSize, 0);
OCL_SAFE_CALL(
clGetDeviceInfo(deviceId, CL_DEVICE_VERSION, deviceVersionSize, deviceVersion.data(), nullptr));
std::cout << " Device version: " << deviceVersion.data() << std::endl;
size_t deviceOpenCLCVersionSize;
OCL_SAFE_CALL(clGetDeviceInfo(deviceId, CL_DEVICE_OPENCL_C_VERSION, 0, nullptr, &deviceOpenCLCVersionSize));
std::vector<unsigned char> deviceOpenCLCVersion(deviceVersionSize, 0);
OCL_SAFE_CALL(clGetDeviceInfo(deviceId, CL_DEVICE_OPENCL_C_VERSION, deviceOpenCLCVersionSize,
deviceOpenCLCVersion.data(), nullptr));
std::cout << " Device OpenCL C version: " << deviceOpenCLCVersion.data() << std::endl;
cl_bool isCompilerAvailable;
OCL_SAFE_CALL(clGetDeviceInfo(deviceId, CL_DEVICE_COMPILER_AVAILABLE, sizeof isCompilerAvailable,
&isCompilerAvailable, nullptr));
std::cout << " Compiler is" << ((isCompilerAvailable) ? "" : " not") << " available" << std::endl;
// Запросите и напечатайте в консоль:
// - Название устройства
// - Тип устройства (видеокарта/процессор/что-то странное)
Expand Down
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