diff options
author | Cedric Nugteren <web@cedricnugteren.nl> | 2016-03-28 23:00:44 +0200 |
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committer | Cedric Nugteren <web@cedricnugteren.nl> | 2016-03-28 23:00:44 +0200 |
commit | aaa687ca984b18bd1ea499c92285b490fd78e2a3 (patch) | |
tree | 3210d6aa484a866cbafc9351baf49e5f0aab4ca3 /test/routines/level1/xnrm2.h | |
parent | 1d5a702d9d31afa320a15ed9fa79471aec314f4a (diff) |
Added preliminary support for the xNRM2 routines
Diffstat (limited to 'test/routines/level1/xnrm2.h')
-rw-r--r-- | test/routines/level1/xnrm2.h | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/test/routines/level1/xnrm2.h b/test/routines/level1/xnrm2.h new file mode 100644 index 00000000..e3f77ee4 --- /dev/null +++ b/test/routines/level1/xnrm2.h @@ -0,0 +1,117 @@ + +// ================================================================================================= +// 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 <www.cedricnugteren.nl> +// +// This file implements a class with static methods to describe the Xnrm2 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_XNRM2_H_ +#define CLBLAST_TEST_ROUTINES_XNRM2_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 TestXnrm2 { + public: + + // The BLAS level: 1, 2, or 3 + static size_t BLASLevel() { return 1; } + + // The list of arguments relevant for this routine + static std::vector<std::string> GetOptions() { + return {kArgN, + kArgXInc, + kArgXOffset, kArgNrm2Offset}; + } + + // Describes how to obtain the sizes of the buffers + static size_t GetSizeX(const Arguments<T> &args) { + return args.n * args.x_inc + args.x_offset; + } + static size_t GetSizeNrm2(const Arguments<T> &args) { + return 1 + args.nrm2_offset; + } + + // Describes how to set the sizes of all the buffers + static void SetSizes(Arguments<T> &args) { + args.x_size = GetSizeX(args); + args.scalar_size = GetSizeNrm2(args); + } + + // Describes what the default values of the leading dimensions of the matrices are + static size_t DefaultLDA(const Arguments<T> &) { return 1; } // N/A for this routine + static size_t DefaultLDB(const Arguments<T> &) { return 1; } // N/A for this routine + static size_t DefaultLDC(const Arguments<T> &) { return 1; } // N/A for this routine + + // Describes which transpose options are relevant for this routine + using Transposes = std::vector<Transpose>; + static Transposes GetATransposes(const Transposes &) { return {}; } // N/A for this routine + static Transposes GetBTransposes(const Transposes &) { return {}; } // N/A for this routine + + // Describes how to run the CLBlast routine + static StatusCode RunRoutine(const Arguments<T> &args, const Buffers<T> &buffers, Queue &queue) { + auto queue_plain = queue(); + auto event = cl_event{}; + auto status = Nrm2<T>(args.n, + buffers.scalar(), args.nrm2_offset, + buffers.x_vec(), args.x_offset, args.x_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<T> &buffers, Queue &queue) { + auto queue_plain = queue(); + auto event = cl_event{}; + auto status = clblasXnrm2<T>(args.n, + buffers.scalar(), args.nrm2_offset, + buffers.x_vec(), args.x_offset, args.x_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<T> &buffers, Queue &queue) { + std::vector<T> result(args.scalar_size, static_cast<T>(0)); + buffers.scalar.Read(queue, args.scalar_size, result); + return result; + } + + // Describes how to compute the indices of the result buffer + static size_t ResultID1(const Arguments<T> &) { return 1; } // N/A for this routine + static size_t ResultID2(const Arguments<T> &) { return 1; } // N/A for this routine + static size_t GetResultIndex(const Arguments<T> &args, const size_t, const size_t) { + return args.nrm2_offset; + } + + // Describes how to compute performance metrics + static size_t GetFlops(const Arguments<T> &args) { + return 2 * args.n; + } + static size_t GetBytes(const Arguments<T> &args) { + return ((args.n) + 1) * sizeof(T); + } +}; + +// ================================================================================================= +} // namespace clblast + +// CLBLAST_TEST_ROUTINES_XNRM2_H_ +#endif |