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164 lines
6.9 KiB
C++
164 lines
6.9 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 Xsyr2k 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_XSYR2K_H_
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#define CLBLAST_TEST_ROUTINES_XSYR2K_H_
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#include <vector>
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#include <string>
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#ifdef CLBLAST_REF_CLBLAS
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#include "test/wrapper_clblas.hpp"
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#endif
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#ifdef CLBLAST_REF_CBLAS
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#include "test/wrapper_cblas.hpp"
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#endif
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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 TestXsyr2k {
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public:
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// The BLAS level: 1, 2, or 3
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static size_t BLASLevel() { return 3; }
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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, kArgK,
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kArgLayout, kArgTriangle, kArgATransp,
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kArgALeadDim, kArgBLeadDim, kArgCLeadDim,
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kArgAOffset, kArgBOffset, kArgCOffset,
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kArgAlpha, kArgBeta};
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}
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// Describes how to obtain the sizes of the buffers
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static size_t GetSizeA(const Arguments<T> &args) {
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auto a_rotated = (args.layout == Layout::kColMajor && args.a_transpose != Transpose::kNo) ||
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(args.layout == Layout::kRowMajor && args.a_transpose == Transpose::kNo);
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auto a_two = (a_rotated) ? args.n : args.k;
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return a_two * args.a_ld + args.a_offset;
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}
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static size_t GetSizeB(const Arguments<T> &args) {
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auto b_rotated = (args.layout == Layout::kColMajor && args.a_transpose != Transpose::kNo) ||
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(args.layout == Layout::kRowMajor && args.a_transpose == Transpose::kNo);
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auto b_two = (b_rotated) ? args.n : args.k;
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return b_two * args.b_ld + args.b_offset;
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}
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static size_t GetSizeC(const Arguments<T> &args) {
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return args.n * args.c_ld + args.c_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.a_size = GetSizeA(args);
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args.b_size = GetSizeB(args);
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args.c_size = GetSizeC(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> &args) { return args.k; }
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static size_t DefaultLDB(const Arguments<T> &args) { return args.k; }
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static size_t DefaultLDC(const Arguments<T> &args) { return args.n; }
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// Describes which transpose options are relevant for this routine
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using Transposes = std::vector<Transpose>;
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static Transposes GetATransposes(const Transposes &) { return {Transpose::kNo, Transpose::kYes}; }
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static Transposes GetBTransposes(const Transposes &) { return {}; } // 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, Buffers<T> &buffers, Queue &queue) {
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auto queue_plain = queue();
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auto event = cl_event{};
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auto status = Syr2k(args.layout, args.triangle, args.a_transpose,
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args.n, args.k, args.alpha,
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buffers.a_mat(), args.a_offset, args.a_ld,
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buffers.b_mat(), args.b_offset, args.b_ld, args.beta,
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buffers.c_mat(), args.c_offset, args.c_ld,
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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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#ifdef CLBLAST_REF_CLBLAS
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static StatusCode RunReference1(const Arguments<T> &args, Buffers<T> &buffers, Queue &queue) {
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auto queue_plain = queue();
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auto event = cl_event{};
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auto status = clblasXsyr2k(convertToCLBLAS(args.layout),
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convertToCLBLAS(args.triangle),
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convertToCLBLAS(args.a_transpose),
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args.n, args.k, args.alpha,
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buffers.a_mat, args.a_offset, args.a_ld,
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buffers.b_mat, args.b_offset, args.b_ld, args.beta,
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buffers.c_mat, args.c_offset, args.c_ld,
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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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#endif
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// Describes how to run the CPU BLAS routine (for correctness/performance comparison)
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#ifdef CLBLAST_REF_CBLAS
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static StatusCode RunReference2(const Arguments<T> &args, Buffers<T> &buffers, Queue &queue) {
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std::vector<T> a_mat_cpu(args.a_size, static_cast<T>(0));
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std::vector<T> b_mat_cpu(args.b_size, static_cast<T>(0));
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std::vector<T> c_mat_cpu(args.c_size, static_cast<T>(0));
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buffers.a_mat.Read(queue, args.a_size, a_mat_cpu);
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buffers.b_mat.Read(queue, args.b_size, b_mat_cpu);
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buffers.c_mat.Read(queue, args.c_size, c_mat_cpu);
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cblasXsyr2k(convertToCBLAS(args.layout),
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convertToCBLAS(args.triangle),
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convertToCBLAS(args.a_transpose),
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args.n, args.k, args.alpha,
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a_mat_cpu, args.a_offset, args.a_ld,
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b_mat_cpu, args.b_offset, args.b_ld, args.beta,
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c_mat_cpu, args.c_offset, args.c_ld);
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buffers.c_mat.Write(queue, args.c_size, c_mat_cpu);
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return StatusCode::kSuccess;
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}
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#endif
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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<T> &buffers, Queue &queue) {
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std::vector<T> result(args.c_size, static_cast<T>(0));
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buffers.c_mat.Read(queue, args.c_size, 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> &args) { return args.n; }
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static size_t GetResultIndex(const Arguments<T> &args, const size_t id1, const size_t id2) {
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return id1*args.c_ld + id2 + args.c_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 * args.n * args.k;
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}
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static size_t GetBytes(const Arguments<T> &args) {
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return (args.n*args.k + args.n*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_XSYR2K_H_
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#endif
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