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author | CNugteren <web@cedricnugteren.nl> | 2015-05-30 12:30:43 +0200 |
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committer | CNugteren <web@cedricnugteren.nl> | 2015-05-30 12:30:43 +0200 |
commit | bc5a341dfe591946e925db315fc7d8c0c25c2938 (patch) | |
tree | b216ab5eee4863e3807d92b5ddd19fa22197ed22 /test/performance/routines/xaxpy.cc | |
parent | c7b054ea6747039f4405fd93da6e924f3e5c7f4b (diff) |
Initial commit of preview version
Diffstat (limited to 'test/performance/routines/xaxpy.cc')
-rw-r--r-- | test/performance/routines/xaxpy.cc | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/test/performance/routines/xaxpy.cc b/test/performance/routines/xaxpy.cc new file mode 100644 index 00000000..23d76099 --- /dev/null +++ b/test/performance/routines/xaxpy.cc @@ -0,0 +1,97 @@ + +// ================================================================================================= +// 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 implements the Xaxpy command-line interface tester. +// +// ================================================================================================= + +#include <string> +#include <vector> +#include <exception> + +#include "wrapper_clblas.h" +#include "performance/client.h" + +namespace clblast { +// ================================================================================================= + +// The client, used for performance testing. It contains the function calls to CLBlast and to other +// libraries to compare against. +template <typename T> +void PerformanceXaxpy(const Arguments<T> &args, + const Buffer &x_vec, const Buffer &y_vec, + CommandQueue &queue) { + + // Creates the CLBlast lambda + auto clblast_lambda = [&args, &x_vec, &y_vec, &queue]() { + auto queue_plain = queue(); + auto event = cl_event{}; + auto status = Axpy(args.n, args.alpha, + x_vec(), args.x_offset, args.x_inc, + y_vec(), args.y_offset, args.y_inc, + &queue_plain, &event); + clWaitForEvents(1, &event); + if (status != StatusCode::kSuccess) { + throw std::runtime_error("CLBlast error: "+ToString(static_cast<int>(status))); + } + }; + + // Creates the clBLAS lambda (for comparison) + auto clblas_lambda = [&args, &x_vec, &y_vec, &queue]() { + auto queue_plain = queue(); + auto event = cl_event{}; + auto status = clblasXaxpy(args.n, args.alpha, + x_vec(), args.x_offset, args.x_inc, + y_vec(), args.y_offset, args.y_inc, + 1, &queue_plain, 0, nullptr, &event); + clWaitForEvents(1, &event); + if (status != CL_SUCCESS) { + throw std::runtime_error("clBLAS error: "+ToString(static_cast<int>(status))); + } + }; + + // Runs the routines and collect the timings + auto ms_clblast = TimedExecution(args.num_runs, clblast_lambda); + auto ms_clblas = TimedExecution(args.num_runs, clblas_lambda); + + // Prints the performance of both libraries + const auto flops = 2 * args.n; + const auto bytes = (3 * args.n) * sizeof(T); + const auto output_ints = std::vector<size_t>{args.n, args.x_inc, args.y_inc, + args.x_offset, args.y_offset}; + const auto output_strings = std::vector<std::string>{ToString(args.alpha)}; + PrintTableRow(output_ints, output_strings, args.no_abbrv, + ms_clblast, ms_clblas, flops, bytes); +} + +// ================================================================================================= + +// Main function which calls the common client code with the routine-specific function as argument. +void ClientXaxpy(int argc, char *argv[]) { + const auto o = std::vector<std::string>{kArgN, kArgXInc, kArgYInc, + kArgXOffset, kArgYOffset, kArgAlpha}; + switch(GetPrecision(argc, argv)) { + case Precision::kHalf: throw std::runtime_error("Unsupported precision mode"); + case Precision::kSingle: ClientXY<float>(argc, argv, PerformanceXaxpy<float>, o); break; + case Precision::kDouble: ClientXY<double>(argc, argv, PerformanceXaxpy<double>, o); break; + case Precision::kComplexSingle: ClientXY<float2>(argc, argv, PerformanceXaxpy<float2>, o); break; + case Precision::kComplexDouble: ClientXY<double2>(argc, argv, PerformanceXaxpy<double2>, o); break; + } +} + +// ================================================================================================= +} // namespace clblast + +// Main function (not within the clblast namespace) +int main(int argc, char *argv[]) { + clblast::ClientXaxpy(argc, argv); + return 0; +} + +// ================================================================================================= |