Added initial version of GEMV including tester and performance client

1 files changed, 94 insertions, 0 deletions

diff --git a/test/correctness/routines/xgemv.cc b/test/correctness/routines/xgemv.cc
new file mode 100644
index 00000000..94ae147f
--- /dev/null
+++ b/test/correctness/routines/xgemv.cc
@@ -0,0 +1,94 @@
+
+// =================================================================================================
+// This file is part of the CLBlast project. The project is licensed under the MIT license. 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 tests for the Xgemv routine. It is based on the TestAXY class.
+//
+// =================================================================================================
+
+#include "wrapper_clblas.h"
+#include "correctness/testaxy.h"
+
+namespace clblast {
+// =================================================================================================
+
+// The correctness tester, containing the function calls to CLBlast and to clBLAS for comparison.
+template <typename T>
+void XgemvTest(int argc, char *argv[], const bool silent, const std::string &name) {
+
+  // Creates the CLBlast lambda
+  auto clblast_lambda = [](const Arguments<T> &args,
+                           const Buffer &a_mat, const Buffer &x_vec, const Buffer &y_vec,
+                           CommandQueue &queue) -> StatusCode {
+    auto queue_plain = queue();
+    auto event = cl_event{};
+    return 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);
+  };
+
+  // Creates the clBLAS lambda (for comparison)
+  auto clblas_lambda = [](const Arguments<T> &args,
+                          const Buffer &a_mat, const Buffer &x_vec, const Buffer &y_vec,
+                          CommandQueue &queue) -> StatusCode {
+    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);
+    return static_cast<StatusCode>(status);
+  };
+
+  // Selects the platform and device on which to test (command-line options)
+  auto help = std::string{"Options given/available:\n"};
+  const auto platform_id = GetArgument(argc, argv, help, kArgPlatform, size_t{0});
+  const auto device_id = GetArgument(argc, argv, help, kArgDevice, size_t{0});
+  if (!silent) { fprintf(stdout, "\n* %s\n", help.c_str()); }
+
+  // Initializes the other arguments relevant for this routine
+  auto args = Arguments<T>{};
+  const auto options = std::vector<std::string>{kArgM, kArgN, kArgLayout, kArgATransp,
+                                                kArgALeadDim, kArgXInc, kArgYInc,
+                                                kArgAOffset, kArgXOffset, kArgYOffset};
+
+  // Creates a tester
+  TestAXY<T> tester{platform_id, device_id, name, options, clblast_lambda, clblas_lambda};
+
+  // Loops over the test-cases from a data-layout point of view
+  for (auto &layout: {Layout::kRowMajor, Layout::kColMajor}) {
+    args.layout = layout;
+    for (auto &a_transpose: {Transpose::kNo, Transpose::kYes}) {
+      args.a_transpose = a_transpose;
+      const auto case_name = ToString(layout)+" "+ToString(a_transpose);
+
+      // Runs the tests
+      tester.TestRegular(args, case_name);
+      tester.TestInvalidBufferSizes(args, case_name);
+    }
+  }
+}
+
+// =================================================================================================
+} // namespace clblast
+
+// Main function (not within the clblast namespace)
+int main(int argc, char *argv[]) {
+  clblast::XgemvTest<float>(argc, argv, false, "SGEMV");
+  //clblast::XgemvTest<double>(argc, argv, true, "DGEMV");
+  //clblast::XgemvTest<clblast::float2>(argc, argv, true, "CGEMV");
+  //clblast::XgemvTest<clblast::double2>(argc, argv, true, "ZGEMV");
+  return 0;
+}
+
+// =================================================================================================