1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
|
// =================================================================================================
// 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 the Xomatcopy class (see the header for information about the class).
//
// =================================================================================================
#include "routines/levelx/xomatcopy.hpp"
#include <string>
#include <vector>
namespace clblast {
// =================================================================================================
// Constructor: forwards to base class constructor
template <typename T>
Xomatcopy<T>::Xomatcopy(Queue &queue, EventPointer event, const std::string &name):
Routine(queue, event, name, {"Copy","Pad","Transpose","Padtranspose"}, PrecisionValue<T>()) {
source_string_ =
#include "../../kernels/level3/level3.opencl"
#include "../../kernels/level3/copy_fast.opencl"
#include "../../kernels/level3/copy_pad.opencl"
#include "../../kernels/level3/transpose_fast.opencl"
#include "../../kernels/level3/transpose_pad.opencl"
;
}
// =================================================================================================
// The main routine
template <typename T>
StatusCode Xomatcopy<T>::DoOmatcopy(const Layout layout, const Transpose a_transpose,
const size_t m, const size_t n, const T alpha,
const Buffer<T> &a_buffer, const size_t a_offset, const size_t a_ld,
const Buffer<T> &b_buffer, const size_t b_offset, const size_t b_ld) {
// Makes sure all dimensions are larger than zero
if ((m == 0) || (n == 0)) { return StatusCode::kInvalidDimension; }
// Determines whether to transpose the matrix A
const auto transpose = (a_transpose != Transpose::kNo);
// In case of complex data-types, the transpose can also become a conjugate transpose
const auto conjugate = (a_transpose == Transpose::kConjugate);
// Computes the dimensions of the two matrices
const auto rotated = (layout == Layout::kRowMajor);
const auto a_one = (rotated) ? n : m;
const auto a_two = (rotated) ? m : n;
const auto b_one = (transpose) ? a_two : a_one;
const auto b_two = (transpose) ? a_one : a_two;
// Tests the matrices for validity, first from a perspective of the OpenCL buffers and their
// sizes, and then from a perspective of parameter values (e.g. m, n). Tests whether the OpenCL
// buffers are valid and non-zero and whether the OpenCL buffers have sufficient storage space.
// Also tests that the leading dimensions of:
// matrix A cannot be less than N when rotated, or less than M when not-rotated
// matrix B cannot be less than M when rotated, or less than N when not-rotated
auto status = TestMatrixA(a_one, a_two, a_buffer, a_offset, a_ld);
if (ErrorIn(status)) { return status; }
status = TestMatrixB(b_one, b_two, b_buffer, b_offset, b_ld);
if (ErrorIn(status)) { return status; }
// Loads the program from the database
const auto program = GetProgramFromCache(context_, PrecisionValue<T>(), routine_name_);
auto emptyEventList = std::vector<Event>();
status = PadCopyTransposeMatrix(queue_, device_, context_, db_, event_, emptyEventList,
a_one, a_two, a_ld, a_offset, a_buffer,
b_one, b_two, b_ld, b_offset, b_buffer,
alpha, program, false, transpose, conjugate);
if (ErrorIn(status)) { return status; }
return StatusCode::kSuccess;
}
// =================================================================================================
// Compiles the templated class
template class Xomatcopy<half>;
template class Xomatcopy<float>;
template class Xomatcopy<double>;
template class Xomatcopy<float2>;
template class Xomatcopy<double2>;
// =================================================================================================
} // namespace clblast
|
