diff options
author | Cedric Nugteren <web@cedricnugteren.nl> | 2017-09-19 21:43:35 +0200 |
---|---|---|
committer | Cedric Nugteren <web@cedricnugteren.nl> | 2017-09-19 21:43:35 +0200 |
commit | 2ef6578961bb50377bac0f030a5d7158f6a22ea5 (patch) | |
tree | e183c080379d8f9eaaa0546af4386f2e7fcf27ed /test/diagnostics.cpp | |
parent | 44b59ec0cb6ccbb3d2b71939ed7c5ebfa1de7c4e (diff) |
Added first version of a small CLBlast diagnostics helper
Diffstat (limited to 'test/diagnostics.cpp')
-rw-r--r-- | test/diagnostics.cpp | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/test/diagnostics.cpp b/test/diagnostics.cpp new file mode 100644 index 00000000..65131d3b --- /dev/null +++ b/test/diagnostics.cpp @@ -0,0 +1,89 @@ + +// ================================================================================================= +// This file is part of the CLBlast project. The project is licensed under Apache Version 2.0. This +// project loosely follows the Google C++ styleguide and uses a tab-size of two spaces and a max- +// width of 100 characters per line. +// +// Author(s): +// Cedric Nugteren <www.cedricnugteren.nl> +// +// This file contains 'clinfo' like diagnostics specific for CLBlast (debugging) +// +// ================================================================================================= + +#include <cstdio> +#include <chrono> +#include <algorithm> + +#include "utilities/utilities.hpp" + +namespace clblast { +// ================================================================================================= + +template<typename F> +double TimeFunction(const size_t num_runs, F const &function) { + auto timings = std::vector<double>(num_runs); + for (auto &timing: timings) { + const auto start_time = std::chrono::steady_clock::now(); + function(); + const auto elapsed_time = std::chrono::steady_clock::now() - start_time; + timing = std::chrono::duration<double,std::milli>(elapsed_time).count(); + } + return *std::min_element(timings.begin(), timings.end()); + +} + +void OpenCLDiagnostics(int argc, char *argv[]) { + auto arguments = RetrieveCommandLineArguments(argc, argv); + + // Retrieves the arguments + auto help = std::string{"Options given/available:\n"}; + const auto platform_id = GetArgument(arguments, help, kArgPlatform, ConvertArgument(std::getenv("CLBLAST_PLATFORM"), size_t{0})); + const auto device_id = GetArgument(arguments, help, kArgDevice, ConvertArgument(std::getenv("CLBLAST_DEVICE"), size_t{0})); + fprintf(stdout, "\n* %s\n", help.c_str()); + + // Initializes OpenCL + const auto platform = Platform(platform_id); + const auto device = Device(platform, device_id); + const auto context = Context(device); + auto queue = Queue(context, device); + + // Finds device information + const auto device_type = GetDeviceType(device); + const auto device_vendor = GetDeviceVendor(device); + const auto device_architecture = GetDeviceArchitecture(device); + const auto device_name = GetDeviceName(device); + printf("\n --- OpenCL device naming:\n"); + printf("* Device type %s\n", device.Type().c_str()); + printf("* Device name %s\n", device.Name().c_str()); + printf("* Platform vendor %s\n", platform.Vendor().c_str()); + printf("* Platform version %s\n", platform.Version().c_str()); + + // Prints the CLBlast specific device names + printf("\n --- CLBlast device naming:\n"); + printf("* Device type %s\n", device_type.c_str()); + printf("* Device name %s\n", device_name.c_str()); + printf("* Device vendor %s\n", device_vendor.c_str()); + printf("* Device architecture %s\n", device_architecture.c_str()); + + // Simple OpenCL benchmarking + constexpr auto kNumRuns = 20; + printf("\n --- Some OpenCL library benchmarks (functions from clpp11.h):\n"); + printf("* queue.GetContext() %.4lf ms\n", TimeFunction(kNumRuns, [&](){queue.GetContext();} )); + printf("* queue.GetDevice() %.4lf ms\n", TimeFunction(kNumRuns, [&](){queue.GetDevice();} )); + printf("* device.Name() %.4lf ms\n", TimeFunction(kNumRuns, [&](){device.Name();} )); + printf("* Buffer<float>(context, 1024) %.4lf ms\n", TimeFunction(kNumRuns, [&](){Buffer<float>(context, 1024);} )); + + printf("\n"); +} + +// ================================================================================================= +} // namespace clblast + +// Main function (not within the clblast namespace) +int main(int argc, char *argv[]) { + clblast::OpenCLDiagnostics(argc, argv); + return 0; +} + +// ================================================================================================= |