Added initial version of GEMV including tester and performance client

1 files changed, 107 insertions, 0 deletions

diff --git a/test/performance/routines/xgemv.cc b/test/performance/routines/xgemv.cc
new file mode 100644
index 00000000..43222396
--- /dev/null
+++ b/test/performance/routines/xgemv.cc
@@ -0,0 +1,107 @@
+
+// =================================================================================================
+// 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 Xgemv 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 PerformanceXgemv(const Arguments<T> &args,
+                      const Buffer &a_mat, const Buffer &x_vec, const Buffer &y_vec,
+                      CommandQueue &queue) {
+
+  // Creates the CLBlast lambda
+  auto clblast_lambda = [&args, &a_mat, &x_vec, &y_vec, &queue]() {
+    auto queue_plain = queue();
+    auto event = cl_event{};
+    auto status = Gemv(args.layout, args.a_transpose, args.m, args.n, args.alpha,
+                       a_mat(), args.a_offset, args.a_ld,
+                       x_vec(), args.x_offset, args.x_inc, args.beta,
+                       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, &a_mat, &x_vec, &y_vec, &queue]() {
+    auto queue_plain = queue();
+    auto event = cl_event{};
+    auto status = clblasXgemv(static_cast<clblasOrder>(args.layout),
+                              static_cast<clblasTranspose>(args.a_transpose),
+                              args.m, args.n, args.alpha,
+                              a_mat(), args.a_offset, args.a_ld,
+                              x_vec(), args.x_offset, args.x_inc, args.beta,
+                              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.m * args.n;
+  const auto bytes = (args.m*args.n + 2*args.m + args.n) * sizeof(T);
+  const auto output_ints = std::vector<size_t>{args.m, args.n,
+                                               static_cast<size_t>(args.layout),
+                                               static_cast<size_t>(args.a_transpose),
+                                               args.a_ld, args.x_inc, args.y_inc,
+                                               args.a_offset, args.x_offset, args.y_offset};
+  const auto output_strings = std::vector<std::string>{ToString(args.alpha),
+                                                       ToString(args.beta)};
+  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 ClientXgemv(int argc, char *argv[]) {
+  const auto o = std::vector<std::string>{kArgM, kArgN, kArgLayout, kArgATransp,
+                                          kArgALeadDim, kArgXInc, kArgYInc,
+                                          kArgAOffset, kArgXOffset, kArgYOffset,
+                                          kArgAlpha, kArgBeta};
+  switch(GetPrecision(argc, argv)) {
+    case Precision::kHalf: throw std::runtime_error("Unsupported precision mode");
+    case Precision::kSingle: ClientAXY<float>(argc, argv, PerformanceXgemv<float>, o); break;
+    case Precision::kDouble: ClientAXY<double>(argc, argv, PerformanceXgemv<double>, o); break;
+    case Precision::kComplexSingle: ClientAXY<float2>(argc, argv, PerformanceXgemv<float2>, o); break;
+    case Precision::kComplexDouble: ClientAXY<double2>(argc, argv, PerformanceXgemv<double2>, o); break;
+  }
+}
+
+// =================================================================================================
+} // namespace clblast
+
+// Main function (not within the clblast namespace)
+int main(int argc, char *argv[]) {
+  clblast::ClientXgemv(argc, argv);
+  return 0;
+}
+
+// =================================================================================================