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+
+// =================================================================================================
+// 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 a class with static methods to describe the Xgemv routine. Examples of
+// such 'descriptions' are how to calculate the size a of buffer or how to run the routine. These
+// static methods are used by the correctness tester and the performance tester.
+//
+// =================================================================================================
+
+#ifndef CLBLAST_TEST_ROUTINES_XGEMV_H_
+#define CLBLAST_TEST_ROUTINES_XGEMV_H_
+
+#include <vector>
+#include <string>
+
+#include "wrapper_clblas.h"
+
+namespace clblast {
+// =================================================================================================
+
+// See comment at top of file for a description of the class
+template <typename T>
+class TestXgemv {
+ public:
+
+ // The list of arguments relevant for this routine
+ static std::vector<std::string> GetOptions() {
+ return {kArgM, kArgN,
+ kArgLayout, kArgATransp,
+ kArgALeadDim, kArgXInc, kArgYInc,
+ kArgAOffset, kArgXOffset, kArgYOffset,
+ kArgAlpha, kArgBeta};
+ }
+
+ // Describes how to obtain the sizes of the buffers
+ static size_t GetSizeA(const Arguments<T> &args) {
+ auto a_rotated = (args.layout == Layout::kRowMajor);
+ auto a_two = (a_rotated) ? args.m : args.n;
+ return a_two * args.a_ld + args.a_offset;
+ }
+ static size_t GetSizeX(const Arguments<T> &args) {
+ auto a_transposed = (args.a_transpose != Transpose::kNo);
+ auto n_real = (a_transposed) ? args.m : args.n;
+ return n_real * args.x_inc + args.x_offset;
+ }
+ static size_t GetSizeY(const Arguments<T> &args) {
+ auto a_transposed = (args.a_transpose != Transpose::kNo);
+ auto m_real = (a_transposed) ? args.n : args.m;
+ return m_real * args.y_inc + args.y_offset;
+ }
+
+ // Describes how to run the CLBlast routine
+ static StatusCode RunRoutine(const Arguments<T> &args, const Buffers &buffers,
+ CommandQueue &queue) {
+ auto queue_plain = queue();
+ auto event = cl_event{};
+ auto status = Gemv(args.layout, args.a_transpose,
+ args.m, args.n, args.alpha,
+ buffers.a_mat(), args.a_offset, args.a_ld,
+ buffers.x_vec(), args.x_offset, args.x_inc, args.beta,
+ buffers.y_vec(), args.y_offset, args.y_inc,
+ &queue_plain, &event);
+ clWaitForEvents(1, &event);
+ return status;
+ }
+
+ // Describes how to run the clBLAS routine (for correctness/performance comparison)
+ static StatusCode RunReference(const Arguments<T> &args, const Buffers &buffers,
+ CommandQueue &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,
+ buffers.a_mat(), args.a_offset, args.a_ld,
+ buffers.x_vec(), args.x_offset, args.x_inc, args.beta,
+ buffers.y_vec(), args.y_offset, args.y_inc,
+ 1, &queue_plain, 0, nullptr, &event);
+ clWaitForEvents(1, &event);
+ return static_cast<StatusCode>(status);
+ }
+
+ // Describes how to download the results of the computation (more importantly: which buffer)
+ static std::vector<T> DownloadResult(const Arguments<T> &args, Buffers &buffers,
+ CommandQueue &queue) {
+ std::vector<T> result(args.y_size, static_cast<T>(0));
+ buffers.y_vec.ReadBuffer(queue, args.y_size*sizeof(T), result);
+ return result;
+ }
+
+ // Describes how to compute the indices of the result buffer
+ static size_t ResultID1(const Arguments<T> &args) {
+ auto a_transposed = (args.a_transpose != Transpose::kNo);
+ return (a_transposed) ? args.n : args.m;
+ }
+ static size_t ResultID2(const Arguments<T> &args) { return 1; } // N/A for this routine
+ static size_t GetResultIndex(const Arguments<T> &args, const size_t id1, const size_t id2) {
+ return id1*args.y_inc + args.y_offset;
+ }
+};
+
+// =================================================================================================
+} // namespace clblast
+
+// CLBLAST_TEST_ROUTINES_XGEMV_H_
+#endif