aboutsummaryrefslogtreecommitdiffhomepage
path: root/test/vectorization_logic.cpp
blob: 2b23d408269f4eb08d2f493ca343e5e5c8196a05 (plain)
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
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
// This file is part of Eigen, a lightweight C++ template library
// for linear algebra.
//
// Copyright (C) 2008 Gael Guennebaud <gael.guennebaud@inria.fr>
//
// Eigen is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 3 of the License, or (at your option) any later version.
//
// Alternatively, you can redistribute it and/or
// modify it under the terms of the GNU General Public License as
// published by the Free Software Foundation; either version 2 of
// the License, or (at your option) any later version.
//
// Eigen is distributed in the hope that it will be useful, but WITHOUT ANY
// WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
// FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License or the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License and a copy of the GNU General Public License along with
// Eigen. If not, see <http://www.gnu.org/licenses/>.

#define EIGEN_DEBUG_ASSIGN
#include "main.h"
#include <typeinfo>

std::string demangle_traversal(int t)
{
  if(t==DefaultTraversal) return "DefaultTraversal";
  if(t==LinearTraversal) return "LinearTraversal";
  if(t==InnerVectorizedTraversal) return "InnerVectorizedTraversal";
  if(t==LinearVectorizedTraversal) return "LinearVectorizedTraversal";
  if(t==SliceVectorizedTraversal) return "SliceVectorizedTraversal";
  return "?";
}
std::string demangle_unrolling(int t)
{
  if(t==NoUnrolling) return "NoUnrolling";
  if(t==InnerUnrolling) return "InnerUnrolling";
  if(t==CompleteUnrolling) return "CompleteUnrolling";
  return "?";
}

template<typename Dst, typename Src>
bool test_assign(const Dst&, const Src&, int traversal, int unrolling)
{
  ei_assign_traits<Dst,Src>::debug();
  bool res = ei_assign_traits<Dst,Src>::Traversal==traversal
          && ei_assign_traits<Dst,Src>::Unrolling==unrolling;
  if(!res)
  {
    std::cerr << " Expected Traversal == " << demangle_traversal(traversal)
              << " got " << demangle_traversal(ei_assign_traits<Dst,Src>::Traversal) << "\n";
    std::cerr << " Expected Unrolling == " << demangle_unrolling(unrolling)
              << " got " << demangle_unrolling(ei_assign_traits<Dst,Src>::Unrolling) << "\n";
  }
  return res;
}

template<typename Dst, typename Src>
bool test_assign(int traversal, int unrolling)
{
  ei_assign_traits<Dst,Src>::debug();
  bool res = ei_assign_traits<Dst,Src>::Traversal==traversal
          && ei_assign_traits<Dst,Src>::Unrolling==unrolling;
  if(!res)
  {
    std::cerr << " Expected Traversal == " << demangle_traversal(traversal)
              << " got " << demangle_traversal(ei_assign_traits<Dst,Src>::Traversal) << "\n";
    std::cerr << " Expected Unrolling == " << demangle_unrolling(unrolling)
              << " got " << demangle_unrolling(ei_assign_traits<Dst,Src>::Unrolling) << "\n";
  }
  return res;
}

template<typename Xpr>
bool test_redux(const Xpr&, int traversal, int unrolling)
{
  typedef ei_redux_traits<ei_scalar_sum_op<typename Xpr::Scalar>,Xpr> traits;
  bool res = traits::Traversal==traversal && traits::Unrolling==unrolling;
  if(!res)
  {
    std::cerr << " Expected Traversal == " << demangle_traversal(traversal)
              << " got " << demangle_traversal(traits::Traversal) << "\n";
    std::cerr << " Expected Unrolling == " << demangle_unrolling(unrolling)
              << " got " << demangle_unrolling(traits::Unrolling) << "\n";
  }
  return res;
}

template<typename Scalar, bool Enable = ei_packet_traits<Scalar>::Vectorizable> struct vectorization_logic
{
  enum {
    PacketSize = ei_packet_traits<Scalar>::size
  };
  static void run()
  {
    
    typedef Matrix<Scalar,PacketSize,1> Vector1;
    typedef Matrix<Scalar,Dynamic,1> VectorX;
    typedef Matrix<Scalar,Dynamic,Dynamic> MatrixXX;
    typedef Matrix<Scalar,PacketSize,PacketSize> Matrix11;
    typedef Matrix<Scalar,2*PacketSize,2*PacketSize> Matrix22;
    typedef Matrix<Scalar,4*PacketSize,16> Matrix44;
    typedef Matrix<Scalar,4*PacketSize,16,DontAlign|EIGEN_DEFAULT_MATRIX_STORAGE_ORDER_OPTION> Matrix44u;
    typedef Matrix<Scalar,4*PacketSize,16,ColMajor> Matrix44c;
    typedef Matrix<Scalar,4*PacketSize,16,RowMajor> Matrix44r;

    typedef Matrix<Scalar,
        (PacketSize==8 ? 4 : PacketSize==4 ? 2 : PacketSize==2 ? 1 : /*PacketSize==1 ?*/ 1),
        (PacketSize==8 ? 2 : PacketSize==4 ? 2 : PacketSize==2 ? 2 : /*PacketSize==1 ?*/ 1)
      > Matrix1;

    typedef Matrix<Scalar,
        (PacketSize==8 ? 4 : PacketSize==4 ? 2 : PacketSize==2 ? 1 : /*PacketSize==1 ?*/ 1),
        (PacketSize==8 ? 2 : PacketSize==4 ? 2 : PacketSize==2 ? 2 : /*PacketSize==1 ?*/ 1),
      DontAlign|((Matrix1::Flags&RowMajorBit)?RowMajor:ColMajor)> Matrix1u;

    typedef Matrix<Scalar,
        (PacketSize==8 ? 4 : PacketSize==4 ? 6 : PacketSize==2 ? 3 : /*PacketSize==1 ?*/ 1),
        (PacketSize==8 ? 6 : PacketSize==4 ? 2 : PacketSize==2 ? 2 : /*PacketSize==1 ?*/ 3)
      > Matrix3;
      
    VERIFY(test_assign(Vector1(),Vector1(),
      InnerVectorizedTraversal,CompleteUnrolling));
    VERIFY(test_assign(Vector1(),Vector1()+Vector1(),
      InnerVectorizedTraversal,CompleteUnrolling));
    VERIFY(test_assign(Vector1(),Vector1().cwiseProduct(Vector1()),
      InnerVectorizedTraversal,CompleteUnrolling));
    VERIFY(test_assign(Vector1(),Vector1().template cast<Scalar>(),
      InnerVectorizedTraversal,CompleteUnrolling));


    VERIFY(test_assign(Vector1(),Vector1(),
      InnerVectorizedTraversal,CompleteUnrolling));
    VERIFY(test_assign(Vector1(),Vector1()+Vector1(),
      InnerVectorizedTraversal,CompleteUnrolling));
    VERIFY(test_assign(Vector1(),Vector1().cwiseProduct(Vector1()),
      InnerVectorizedTraversal,CompleteUnrolling));

    VERIFY(test_assign(Matrix44(),Matrix44()+Matrix44(),
      InnerVectorizedTraversal,InnerUnrolling));

    VERIFY(test_assign(Matrix44u(),Matrix44()+Matrix44(),
      LinearTraversal,NoUnrolling));

    VERIFY(test_assign(Matrix1u(),Matrix1()+Matrix1(),
      LinearTraversal,CompleteUnrolling));

    VERIFY(test_assign(Matrix44c().col(1),Matrix44c().col(2)+Matrix44c().col(3),
      InnerVectorizedTraversal,CompleteUnrolling));
    
    VERIFY(test_assign(Matrix44r().row(2),Matrix44r().row(1)+Matrix44r().row(1),
      InnerVectorizedTraversal,CompleteUnrolling));
        
    if(PacketSize>1)
    {
      typedef Matrix<Scalar,3,3,ColMajor> Matrix33c;
      VERIFY(test_assign(Matrix33c().row(2),Matrix33c().row(1)+Matrix33c().row(1),
        LinearTraversal,CompleteUnrolling));
      VERIFY(test_assign(Matrix33c().col(0),Matrix33c().col(1)+Matrix33c().col(1),
        LinearTraversal,CompleteUnrolling));
      
      VERIFY(test_assign(Matrix3(),Matrix3().cwiseQuotient(Matrix3()),
        LinearVectorizedTraversal,CompleteUnrolling));

      VERIFY(test_assign(Matrix<Scalar,17,17>(),Matrix<Scalar,17,17>()+Matrix<Scalar,17,17>(),
        LinearTraversal,NoUnrolling));

      VERIFY(test_assign(Matrix11(),Matrix<Scalar,17,17>().template block<PacketSize,PacketSize>(2,3)+Matrix<Scalar,17,17>().template block<PacketSize,PacketSize>(10,4),
      DefaultTraversal,CompleteUnrolling));
    }

    VERIFY(test_assign(MatrixXX(10,10),MatrixXX(20,20).block(10,10,2,3),
      SliceVectorizedTraversal,NoUnrolling));

    VERIFY((test_assign<
            Map<Matrix22, Aligned, OuterStride<3*PacketSize> >,
            Matrix22
            >(InnerVectorizedTraversal,CompleteUnrolling)));

    VERIFY((test_assign<
            Map<Matrix22, Aligned, InnerStride<3*PacketSize> >,
            Matrix22
            >(DefaultTraversal,CompleteUnrolling)));

    VERIFY(test_redux(VectorX(10),
      LinearVectorizedTraversal,NoUnrolling));

    VERIFY(test_redux(Matrix3(),
      LinearVectorizedTraversal,CompleteUnrolling));

    VERIFY(test_redux(Matrix44(),
      LinearVectorizedTraversal,NoUnrolling));

    VERIFY(test_redux(Matrix44().template block<PacketSize,4>(1,2),
      DefaultTraversal,CompleteUnrolling));

    VERIFY(test_redux(Matrix44c().template block<2*PacketSize,1>(1,2),
      LinearVectorizedTraversal,CompleteUnrolling));

    VERIFY(test_redux(Matrix44r().template block<1,2*PacketSize>(2,1),
      LinearVectorizedTraversal,CompleteUnrolling));
  }
};

template<typename Scalar> struct vectorization_logic<Scalar,false>
{
  static void run() {}
};

void test_vectorization_logic()
{

#ifdef EIGEN_VECTORIZE

  vectorization_logic<float>::run();
  vectorization_logic<double>::run();
  vectorization_logic<std::complex<float> >::run();
  vectorization_logic<std::complex<double> >::run();
  
  if(ei_packet_traits<float>::Vectorizable)
  {
    VERIFY(test_assign(Matrix<float,3,3>(),Matrix<float,3,3>()+Matrix<float,3,3>(),
      LinearTraversal,CompleteUnrolling));
      
    VERIFY(test_redux(Matrix<float,5,2>(),
      DefaultTraversal,CompleteUnrolling));
  }
  
  if(ei_packet_traits<double>::Vectorizable)
  {
    VERIFY(test_assign(Matrix<double,3,3>(),Matrix<double,3,3>()+Matrix<double,3,3>(),
      LinearTraversal,CompleteUnrolling));
    
    VERIFY(test_redux(Matrix<double,7,3>(),
      DefaultTraversal,CompleteUnrolling));
  }
#endif // EIGEN_VECTORIZE

}