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114 lines
4.4 KiB
C++
114 lines
4.4 KiB
C++
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// =================================================================================================
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// This file is part of the CLBlast project. The project is licensed under Apache Version 2.0. This
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// project loosely follows the Google C++ styleguide and uses a tab-size of two spaces and a max-
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// width of 100 characters per line.
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//
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// Author(s):
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// Cedric Nugteren <www.cedricnugteren.nl>
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//
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// This file implements a class with static methods to describe the Xaxpy routine. Examples of
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// such 'descriptions' are how to calculate the size a of buffer or how to run the routine. These
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// static methods are used by the correctness tester and the performance tester.
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//
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// =================================================================================================
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#ifndef CLBLAST_TEST_ROUTINES_XAXPY_H_
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#define CLBLAST_TEST_ROUTINES_XAXPY_H_
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#include <vector>
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#include <string>
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#include "wrapper_clblas.h"
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namespace clblast {
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// =================================================================================================
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// See comment at top of file for a description of the class
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template <typename T>
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class TestXaxpy {
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public:
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// The list of arguments relevant for this routine
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static std::vector<std::string> GetOptions() {
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return {kArgN,
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kArgXInc, kArgYInc,
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kArgXOffset, kArgYOffset,
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kArgAlpha};
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}
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// Describes how to obtain the sizes of the buffers
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static size_t GetSizeX(const Arguments<T> &args) {
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return args.n * args.x_inc + args.x_offset;
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}
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static size_t GetSizeY(const Arguments<T> &args) {
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return args.n * args.y_inc + args.y_offset;
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}
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// Describes how to set the sizes of all the buffers
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static void SetSizes(Arguments<T> &args) {
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args.x_size = GetSizeX(args);
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args.y_size = GetSizeY(args);
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}
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// Describes what the default values of the leading dimensions of the matrices are
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static size_t DefaultLDA(const Arguments<T> &) { return 1; } // N/A for this routine
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static size_t DefaultLDB(const Arguments<T> &) { return 1; } // N/A for this routine
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static size_t DefaultLDC(const Arguments<T> &) { return 1; } // N/A for this routine
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// Describes how to run the CLBlast routine
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static StatusCode RunRoutine(const Arguments<T> &args, const Buffers &buffers,
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CommandQueue &queue) {
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auto queue_plain = queue();
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auto event = cl_event{};
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auto status = Axpy(args.n, args.alpha,
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buffers.x_vec(), args.x_offset, args.x_inc,
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buffers.y_vec(), args.y_offset, args.y_inc,
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&queue_plain, &event);
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clWaitForEvents(1, &event);
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return status;
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}
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// Describes how to run the clBLAS routine (for correctness/performance comparison)
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static StatusCode RunReference(const Arguments<T> &args, const Buffers &buffers,
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CommandQueue &queue) {
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auto queue_plain = queue();
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auto event = cl_event{};
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auto status = clblasXaxpy(args.n, args.alpha,
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buffers.x_vec(), args.x_offset, args.x_inc,
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buffers.y_vec(), args.y_offset, args.y_inc,
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1, &queue_plain, 0, nullptr, &event);
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clWaitForEvents(1, &event);
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return static_cast<StatusCode>(status);
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}
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// Describes how to download the results of the computation (more importantly: which buffer)
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static std::vector<T> DownloadResult(const Arguments<T> &args, Buffers &buffers,
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CommandQueue &queue) {
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std::vector<T> result(args.y_size, static_cast<T>(0));
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buffers.y_vec.ReadBuffer(queue, args.y_size*sizeof(T), result);
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return result;
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}
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// Describes how to compute the indices of the result buffer
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static size_t ResultID1(const Arguments<T> &args) { return args.n; }
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static size_t ResultID2(const Arguments<T> &) { return 1; } // N/A for this routine
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static size_t GetResultIndex(const Arguments<T> &args, const size_t id1, const size_t) {
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return id1*args.y_inc + args.y_offset;
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}
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// Describes how to compute performance metrics
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static size_t GetFlops(const Arguments<T> &args) {
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return 2 * args.n;
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}
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static size_t GetBytes(const Arguments<T> &args) {
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return (3 * args.n) * sizeof(T);
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}
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};
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// =================================================================================================
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} // namespace clblast
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// CLBLAST_TEST_ROUTINES_XAXPY_H_
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#endif
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