mirror of
https://github.com/CNugteren/CLBlast.git
synced 2024-08-21 04:22:27 +02:00
153 lines
6.6 KiB
C++
153 lines
6.6 KiB
C++
|
|
// =================================================================================================
|
|
// 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 Xswap 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_XSWAP_H_
|
|
#define CLBLAST_TEST_ROUTINES_XSWAP_H_
|
|
|
|
#include "test/routines/common.hpp"
|
|
|
|
namespace clblast {
|
|
// =================================================================================================
|
|
|
|
// See comment at top of file for a description of the class
|
|
template <typename T>
|
|
class TestXswap {
|
|
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, kArgYInc,
|
|
kArgXOffset, kArgYOffset};
|
|
}
|
|
static std::vector<std::string> BuffersIn() { return {kBufVecX, kBufVecY}; }
|
|
static std::vector<std::string> BuffersOut() { return {kBufVecX, kBufVecY}; }
|
|
|
|
// 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 GetSizeY(const Arguments<T> &args) {
|
|
return args.n * args.y_inc + args.y_offset;
|
|
}
|
|
|
|
// Describes how to set the sizes of all the buffers
|
|
static void SetSizes(Arguments<T> &args, Queue&) {
|
|
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<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 prepare the input data
|
|
static void PrepareData(const Arguments<T>&, Queue&, const int, std::vector<T>&,
|
|
std::vector<T>&, std::vector<T>&, std::vector<T>&, std::vector<T>&,
|
|
std::vector<T>&, std::vector<T>&) {} // N/A for this routine
|
|
|
|
// Describes how to run the CLBlast routine
|
|
static StatusCode RunRoutine(const Arguments<T> &args, Buffers<T> &buffers, Queue &queue) {
|
|
#ifdef OPENCL_API
|
|
auto queue_plain = queue();
|
|
auto event = cl_event{};
|
|
auto status = Swap<T>(args.n,
|
|
buffers.x_vec(), args.x_offset, args.x_inc,
|
|
buffers.y_vec(), args.y_offset, args.y_inc,
|
|
&queue_plain, &event);
|
|
if (status == StatusCode::kSuccess) { clWaitForEvents(1, &event); clReleaseEvent(event); }
|
|
#elif CUDA_API
|
|
auto status = Swap<T>(args.n,
|
|
buffers.x_vec(), args.x_offset, args.x_inc,
|
|
buffers.y_vec(), args.y_offset, args.y_inc,
|
|
queue.GetContext()(), queue.GetDevice()());
|
|
cuStreamSynchronize(queue());
|
|
#endif
|
|
return status;
|
|
}
|
|
|
|
// Describes how to run the clBLAS routine (for correctness/performance comparison)
|
|
#ifdef CLBLAST_REF_CLBLAS
|
|
static StatusCode RunReference1(const Arguments<T> &args, Buffers<T> &buffers, Queue &queue) {
|
|
auto queue_plain = queue();
|
|
auto event = cl_event{};
|
|
auto status = clblasXswap<T>(args.n,
|
|
buffers.x_vec, args.x_offset, args.x_inc,
|
|
buffers.y_vec, args.y_offset, args.y_inc,
|
|
1, &queue_plain, 0, nullptr, &event);
|
|
clWaitForEvents(1, &event);
|
|
return static_cast<StatusCode>(status);
|
|
}
|
|
#endif
|
|
|
|
// Describes how to run the CPU BLAS routine (for correctness/performance comparison)
|
|
#ifdef CLBLAST_REF_CBLAS
|
|
static StatusCode RunReference2(const Arguments<T> &args, BuffersHost<T> &buffers_host, Queue &) {
|
|
cblasXswap(args.n,
|
|
buffers_host.x_vec, args.x_offset, args.x_inc,
|
|
buffers_host.y_vec, args.y_offset, args.y_inc);
|
|
return StatusCode::kSuccess;
|
|
}
|
|
#endif
|
|
|
|
// Describes how to run the cuBLAS routine (for correctness/performance comparison)
|
|
#ifdef CLBLAST_REF_CUBLAS
|
|
static StatusCode RunReference3(const Arguments<T> &args, BuffersCUDA<T> &buffers, Queue &) {
|
|
auto status = cublasXswap(reinterpret_cast<cublasHandle_t>(args.cublas_handle), args.n,
|
|
buffers.x_vec, args.x_offset, args.x_inc,
|
|
buffers.y_vec, args.y_offset, args.y_inc);
|
|
if (status == CUBLAS_STATUS_SUCCESS) { return StatusCode::kSuccess; } else { return StatusCode::kUnknownError; }
|
|
}
|
|
#endif
|
|
|
|
// 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.x_size + args.y_size, static_cast<T>(0));
|
|
buffers.x_vec.Read(queue, args.x_size, &result[0]);
|
|
buffers.y_vec.Read(queue, args.y_size, &result[args.x_size]);
|
|
return result;
|
|
}
|
|
|
|
// Describes how to compute the indices of the result buffer
|
|
static size_t ResultID1(const Arguments<T> &args) { return args.n; }
|
|
static size_t ResultID2(const Arguments<T> &) { return 2; } // x_vec and y_vec
|
|
static size_t GetResultIndex(const Arguments<T> &args, const size_t id1, const size_t id2) {
|
|
return (id2 == 0) ? id1*args.x_inc + args.x_offset : id1*args.y_inc + args.y_offset;
|
|
}
|
|
|
|
// Describes how to compute performance metrics
|
|
static size_t GetFlops(const Arguments<T> &args) {
|
|
return args.n;
|
|
}
|
|
static size_t GetBytes(const Arguments<T> &args) {
|
|
return (2 * args.n) * sizeof(T);
|
|
}
|
|
};
|
|
|
|
// =================================================================================================
|
|
} // namespace clblast
|
|
|
|
// CLBLAST_TEST_ROUTINES_XSWAP_H_
|
|
#endif
|