mirror of
https://github.com/CNugteren/CLBlast.git
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92 lines
4.3 KiB
C++
92 lines
4.3 KiB
C++
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// =================================================================================================
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// This file is part of the CLBlast project. The project is licensed under Apache Version 2.0. This
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// project loosely follows the Google C++ styleguide and uses a tab-size of two spaces and a max-
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// width of 100 characters per line.
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//
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// Author(s):
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// Cedric Nugteren <www.cedricnugteren.nl>
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//
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// This file contains 'clinfo' like diagnostics specific for CLBlast (debugging)
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//
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// =================================================================================================
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#include <cstdio>
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#include <chrono>
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#include <algorithm>
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#include "utilities/timing.hpp"
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#include "utilities/utilities.hpp"
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namespace clblast {
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// =================================================================================================
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void OpenCLDiagnostics(int argc, char *argv[]) {
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auto arguments = RetrieveCommandLineArguments(argc, argv);
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// Retrieves the arguments
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auto help = std::string{"Options given/available:\n"};
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const auto platform_id = GetArgument(arguments, help, kArgPlatform, ConvertArgument(std::getenv("CLBLAST_PLATFORM"), size_t{0}));
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const auto device_id = GetArgument(arguments, help, kArgDevice, ConvertArgument(std::getenv("CLBLAST_DEVICE"), size_t{0}));
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fprintf(stdout, "\n* %s\n", help.c_str());
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// Initializes OpenCL
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const auto platform = Platform(platform_id);
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const auto device = Device(platform, device_id);
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const auto context = Context(device);
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auto queue = Queue(context, device);
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// Finds device information
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const auto device_type = GetDeviceType(device);
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const auto device_vendor = GetDeviceVendor(device);
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const auto device_architecture = GetDeviceArchitecture(device);
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const auto device_name = GetDeviceName(device);
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printf("\n --- OpenCL device naming:\n");
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printf("* Device type %s\n", device.Type().c_str());
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printf("* Device name %s\n", device.Name().c_str());
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printf("* Platform vendor %s\n", platform.Vendor().c_str());
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printf("* Platform version %s\n", platform.Version().c_str());
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// Prints the CLBlast specific device names
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printf("\n --- CLBlast device naming:\n");
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printf("* Device type %s\n", device_type.c_str());
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printf("* Device name %s\n", device_name.c_str());
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printf("* Device vendor %s\n", device_vendor.c_str());
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printf("* Device architecture %s\n", device_architecture.c_str());
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// Selected OpenCL properties
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printf("\n --- OpenCL device properties:\n");
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printf("* Max work group size %zu\n", device.MaxWorkGroupSize());
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printf("* Max work item dimensions %zu\n", device.MaxWorkItemDimensions());
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const auto max_work_item_sizes = device.MaxWorkItemSizes();
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for (auto i = size_t{0}; i < max_work_item_sizes.size(); ++i) {
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printf("* - Max work item size #%zu %zu\n", i, max_work_item_sizes[i]);
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}
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printf("* Local memory size %zuKB\n", device.LocalMemSize());
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printf("* Extensions:\n%s\n", device.Capabilities().c_str());
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// Simple OpenCL benchmarking
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constexpr auto kNumRuns = 20;
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printf("\n --- Some OpenCL library benchmarks (functions from clpp11.h):\n");
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printf("* queue.GetContext() %.4lf ms\n", TimeFunction(kNumRuns, [&](){queue.GetContext();} ));
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printf("* queue.GetDevice() %.4lf ms\n", TimeFunction(kNumRuns, [&](){queue.GetDevice();} ));
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printf("* device.Name() %.4lf ms\n", TimeFunction(kNumRuns, [&](){device.Name();} ));
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printf("* device.Vendor() %.4lf ms\n", TimeFunction(kNumRuns, [&](){device.Vendor();} ));
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printf("* device.Version() %.4lf ms\n", TimeFunction(kNumRuns, [&](){device.Version();} ));
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printf("* device.Platform() %.4lf ms\n", TimeFunction(kNumRuns, [&](){ device.PlatformID();} ));
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printf("* Buffer<float>(context, 1024) %.4lf ms\n", TimeFunction(kNumRuns, [&](){Buffer<float>(context, 1024);} ));
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printf("\n");
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}
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// =================================================================================================
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} // namespace clblast
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// Main function (not within the clblast namespace)
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int main(int argc, char *argv[]) {
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clblast::OpenCLDiagnostics(argc, argv);
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return 0;
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}
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// =================================================================================================
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