From a5fd2323b6d9ce793f12618951012fcfec257b95 Mon Sep 17 00:00:00 2001 From: Cedric Nugteren Date: Fri, 20 Jan 2017 11:30:32 +0100 Subject: Added prototype for the TRSV routine --- test/routines/level2/xtrsv.hpp | 151 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 151 insertions(+) create mode 100644 test/routines/level2/xtrsv.hpp (limited to 'test/routines/level2') diff --git a/test/routines/level2/xtrsv.hpp b/test/routines/level2/xtrsv.hpp new file mode 100644 index 00000000..67094b3d --- /dev/null +++ b/test/routines/level2/xtrsv.hpp @@ -0,0 +1,151 @@ + +// ================================================================================================= +// 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 Xtrsv 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_XTRSV_H_ +#define CLBLAST_TEST_ROUTINES_XTRSV_H_ + +#include +#include + +#ifdef CLBLAST_REF_CLBLAS + #include "test/wrapper_clblas.hpp" +#endif +#ifdef CLBLAST_REF_CBLAS + #include "test/wrapper_cblas.hpp" +#endif + +namespace clblast { +// ================================================================================================= + +// See comment at top of file for a description of the class +template +class TestXtrsv { + public: + + // The BLAS level: 1, 2, or 3 + static size_t BLASLevel() { return 2; } + + // The list of arguments relevant for this routine + static std::vector GetOptions() { + return {kArgN, + kArgLayout, kArgTriangle, kArgATransp, kArgDiagonal, + kArgALeadDim, kArgXInc, + kArgAOffset, kArgXOffset}; + } + + // Describes how to obtain the sizes of the buffers + static size_t GetSizeX(const Arguments &args) { + return args.n * args.x_inc + args.x_offset; + } + static size_t GetSizeA(const Arguments &args) { + return args.n * args.a_ld + args.a_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); + } + + // 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 which transpose options are relevant for this routine + using Transposes = std::vector; + static Transposes GetATransposes(const Transposes &all) { return all; } + static Transposes GetBTransposes(const Transposes &) { return {}; } // N/A for this routine + + // Describes how to run the CLBlast routine + static StatusCode RunRoutine(const Arguments &args, Buffers &buffers, Queue &queue) { + auto queue_plain = queue(); + auto event = cl_event{}; + auto status = Trsv(args.layout, args.triangle, args.a_transpose, args.diagonal, + args.n, + buffers.a_mat(), args.a_offset, args.a_ld, + buffers.x_vec(), args.x_offset, args.x_inc, + &queue_plain, &event); + if (status == StatusCode::kSuccess) { clWaitForEvents(1, &event); clReleaseEvent(event); } + return status; + } + + // Describes how to run the clBLAS routine (for correctness/performance comparison) + #ifdef CLBLAST_REF_CLBLAS + static StatusCode RunReference1(const Arguments &args, Buffers &buffers, Queue &queue) { + auto queue_plain = queue(); + auto event = cl_event{}; + auto status = clblasXtrsv(convertToCLBLAS(args.layout), + convertToCLBLAS(args.triangle), + convertToCLBLAS(args.a_transpose), + convertToCLBLAS(args.diagonal), + args.n, + buffers.a_mat, args.a_offset, args.a_ld, + buffers.x_vec, args.x_offset, args.x_inc, + 1, &queue_plain, 0, nullptr, &event); + clWaitForEvents(1, &event); + return static_cast(status); + } + #endif + + // Describes how to run the CPU BLAS routine (for correctness/performance comparison) + #ifdef CLBLAST_REF_CBLAS + static StatusCode RunReference2(const Arguments &args, Buffers &buffers, Queue &queue) { + std::vector a_mat_cpu(args.a_size, static_cast(0)); + std::vector x_vec_cpu(args.x_size, static_cast(0)); + buffers.a_mat.Read(queue, args.a_size, a_mat_cpu); + buffers.x_vec.Read(queue, args.x_size, x_vec_cpu); + cblasXtrsv(convertToCBLAS(args.layout), + convertToCBLAS(args.triangle), + convertToCBLAS(args.a_transpose), + convertToCBLAS(args.diagonal), + args.n, + a_mat_cpu, args.a_offset, args.a_ld, + x_vec_cpu, args.x_offset, args.x_inc); + buffers.x_vec.Write(queue, args.x_size, x_vec_cpu); + return StatusCode::kSuccess; + } + #endif + + // Describes how to download the results of the computation (more importantly: which buffer) + static std::vector DownloadResult(const Arguments &args, Buffers &buffers, Queue &queue) { + std::vector result(args.x_size, static_cast(0)); + buffers.x_vec.Read(queue, args.x_size, result); + return result; + } + + // Describes how to compute the indices of the result buffer + static size_t ResultID1(const Arguments &args) { + return args.n; + } + 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.x_inc + args.x_offset; + } + + // Describes how to compute performance metrics + static size_t GetFlops(const Arguments &args) { + return 2 * args.n * args.n; + } + static size_t GetBytes(const Arguments &args) { + return (args.n*args.n + 2*args.n + args.n) * sizeof(T); + } +}; + +// ================================================================================================= +} // namespace clblast + +// CLBLAST_TEST_ROUTINES_XTRSV_H_ +#endif -- cgit v1.2.3