From aa852bbe67a7dc9018afd7d1349184f0284d215c Mon Sep 17 00:00:00 2001 From: CNugteren Date: Sun, 12 Jul 2015 16:57:09 +0200 Subject: Added subfolders for the level1/2/3 routines --- test/routines/level2/xgemv.h | 132 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 132 insertions(+) create mode 100644 test/routines/level2/xgemv.h (limited to 'test/routines/level2') diff --git a/test/routines/level2/xgemv.h b/test/routines/level2/xgemv.h new file mode 100644 index 00000000..73f7d76e --- /dev/null +++ b/test/routines/level2/xgemv.h @@ -0,0 +1,132 @@ + +// ================================================================================================= +// 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 +// +// 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 +#include + +#include "wrapper_clblas.h" + +namespace clblast { +// ================================================================================================= + +// See comment at top of file for a description of the class +template +class TestXgemv { + public: + + // The list of arguments relevant for this routine + static std::vector 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 &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 &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 &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 set the sizes of all the buffers + static void SetSizes(Arguments &args) { + args.a_size = GetSizeA(args); + args.x_size = GetSizeX(args); + args.y_size = GetSizeY(args); + } + + // Describes what the default values of the leading dimensions of the matrices are + static size_t DefaultLDA(const Arguments &args) { return args.n; } + static size_t DefaultLDB(const Arguments &) { return 1; } // N/A for this routine + static size_t DefaultLDC(const Arguments &) { return 1; } // N/A for this routine + + // Describes how to run the CLBlast routine + static StatusCode RunRoutine(const Arguments &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 &args, const Buffers &buffers, + CommandQueue &queue) { + auto queue_plain = queue(); + auto event = cl_event{}; + auto status = clblasXgemv(static_cast(args.layout), + static_cast(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(status); + } + + // Describes how to download the results of the computation (more importantly: which buffer) + static std::vector DownloadResult(const Arguments &args, Buffers &buffers, + CommandQueue &queue) { + std::vector result(args.y_size, static_cast(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 &args) { + auto a_transposed = (args.a_transpose != Transpose::kNo); + return (a_transposed) ? args.n : args.m; + } + static size_t ResultID2(const Arguments &) { return 1; } // N/A for this routine + static size_t GetResultIndex(const Arguments &args, const size_t id1, const size_t) { + return id1*args.y_inc + args.y_offset; + } + + // Describes how to compute performance metrics + static size_t GetFlops(const Arguments &args) { + return 2 * args.m * args.n; + } + static size_t GetBytes(const Arguments &args) { + return (args.m*args.n + 2*args.m + args.n) * sizeof(T); + } +}; + +// ================================================================================================= +} // namespace clblast + +// CLBLAST_TEST_ROUTINES_XGEMV_H_ +#endif -- cgit v1.2.3