blasutil.cpp
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1 // This file is part of Eigen, a lightweight C++ template library
2 // for linear algebra.
3 //
4 // Copyright (C) 2020 Everton Constantino <everton.constantino@ibm.com>
5 //
6 // This Source Code Form is subject to the terms of the Mozilla
7 // Public License v. 2.0. If a copy of the MPL was not distributed
8 // with this file, You can obtain one at http://mozilla.org/MPL/2.0/
9 
10 #include "main.h"
11 
12 // Disable "ignoring attributes on template argument"
13 // for packet_traits<Packet*>
14 // => The only workaround would be to wrap _m128 and the likes
15 // within wrappers.
16 #if EIGEN_GNUC_AT_LEAST(6,0)
17  #pragma GCC diagnostic ignored "-Wignored-attributes"
18 #endif
19 
20 #define GET(i,j) (StorageOrder == RowMajor ? (i)*stride + (j) : (i) + (j)*stride)
21 #define SCATTER(i,j,k) (StorageOrder == RowMajor ? ((i)+(k))*stride + (j) : (i) + ((j)+(k))*stride)
22 
23 template<typename Scalar, typename Packet>
24 void compare(const Packet& a, const Packet& b)
25 {
27  Scalar *buffA = new Scalar[pktsz];
28  Scalar *buffB = new Scalar[pktsz];
29 
30  internal::pstoreu<Scalar, Packet>(buffA, a);
31  internal::pstoreu<Scalar, Packet>(buffB, b);
32 
33  for(int i = 0; i < pktsz; i++)
34  {
35  VERIFY_IS_EQUAL(buffA[i], buffB[i]);
36  }
37 
38  delete[] buffA;
39  delete[] buffB;
40 }
41 
42 template<typename Scalar, int StorageOrder, int n>
44 {
46 
47  void setPacketBlock(internal::PacketBlock<Packet,n>& block, Scalar value)
48  {
49  for(int idx = 0; idx < n; idx++)
50  {
51  block.packet[idx] = internal::pset1<Packet>(value);
52  }
53  }
54 
55  void comparePacketBlock(Scalar *data, int i, int j, int stride, internal::PacketBlock<Packet, n>& block)
56  {
57  for(int idx = 0; idx < n; idx++)
58  {
59  Packet line = internal::ploadu<Packet>(data + SCATTER(i,j,idx));
60  compare<Scalar, Packet>(block.packet[idx], line);
61  }
62  }
63 };
64 
65 template<typename Scalar, int StorageOrder, int BlockSize>
67 {
68  typedef internal::blas_data_mapper<Scalar, int, StorageOrder> BlasDataMapper;
70  int minSize = std::max<int>(packetSize, BlockSize);
72 
73  int szm = internal::random<int>(minSize,500), szn = internal::random<int>(minSize,500);
74  int stride = StorageOrder == RowMajor ? szn : szm;
75  Scalar *d = new Scalar[szn*szm];
76 
77  // Initializing with random entries
78  for(int i = 0; i < szm*szn; i++)
79  {
80  d[i] = internal::random<Scalar>(static_cast<Scalar>(3), static_cast<Scalar>(10));
81  }
82 
83  BlasDataMapper bdm(d, stride);
84 
85  // Testing operator()
86  for(int i = 0; i < szm; i++)
87  {
88  for(int j = 0; j < szn; j++)
89  {
90  VERIFY_IS_EQUAL(d[GET(i,j)], bdm(i,j));
91  }
92  }
93 
94  // Testing getSubMapper and getLinearMapper
95  int i0 = internal::random<int>(0,szm-2);
96  int j0 = internal::random<int>(0,szn-2);
97  for(int i = i0; i < szm; i++)
98  {
99  for(int j = j0; j < szn; j++)
100  {
101  const BlasDataMapper& bdmSM = bdm.getSubMapper(i0,j0);
102  const internal::BlasLinearMapper<Scalar, int, 0>& bdmLM = bdm.getLinearMapper(i0,j0);
103 
104  Scalar v = bdmSM(i - i0, j - j0);
105  Scalar vd = d[GET(i,j)];
106  VERIFY_IS_EQUAL(vd, v);
107  VERIFY_IS_EQUAL(vd, bdmLM(GET(i-i0, j-j0)));
108  }
109  }
110 
111  // Testing loadPacket
112  for(int i = 0; i < szm - minSize; i++)
113  {
114  for(int j = 0; j < szn - minSize; j++)
115  {
116  Packet pktBDM = bdm.template loadPacket<Packet>(i,j);
117  Packet pktD = internal::ploadu<Packet>(d + GET(i,j));
118 
119  compare<Scalar, Packet>(pktBDM, pktD);
120  }
121  }
122 
123  // Testing gatherPacket
124  Scalar *buff = new Scalar[packetSize];
125  for(int i = 0; i < szm - minSize; i++)
126  {
127  for(int j = 0; j < szn - minSize; j++)
128  {
129  Packet p = bdm.template gatherPacket<Packet>(i,j);
130  internal::pstoreu<Scalar, Packet>(buff, p);
131 
132  for(int k = 0; k < packetSize; k++)
133  {
134  VERIFY_IS_EQUAL(d[SCATTER(i,j,k)], buff[k]);
135  }
136 
137  }
138  }
139  delete[] buff;
140 
141  // Testing scatterPacket
142  for(int i = 0; i < szm - minSize; i++)
143  {
144  for(int j = 0; j < szn - minSize; j++)
145  {
146  Packet p = internal::pset1<Packet>(static_cast<Scalar>(1));
147  bdm.template scatterPacket<Packet>(i,j,p);
148  for(int k = 0; k < packetSize; k++)
149  {
150  VERIFY_IS_EQUAL(d[SCATTER(i,j,k)], static_cast<Scalar>(1));
151  }
152  }
153  }
154 
155  //Testing storePacketBlock
156  internal::PacketBlock<Packet, BlockSize> block;
157 
159  pbs.setPacketBlock(block, static_cast<Scalar>(2));
160 
161  for(int i = 0; i < szm - minSize; i++)
162  {
163  for(int j = 0; j < szn - minSize; j++)
164  {
165  bdm.template storePacketBlock<Packet, BlockSize>(i, j, block);
166 
167  pbs.comparePacketBlock(d, i, j, stride, block);
168  }
169  }
170 
171  delete[] d;
172 }
173 
174 template<typename Scalar>
175 void run_test()
176 {
177  run_bdmp_spec_1<Scalar, RowMajor, 1>();
178  run_bdmp_spec_1<Scalar, ColMajor, 1>();
179  run_bdmp_spec_1<Scalar, RowMajor, 2>();
180  run_bdmp_spec_1<Scalar, ColMajor, 2>();
181  run_bdmp_spec_1<Scalar, RowMajor, 4>();
182  run_bdmp_spec_1<Scalar, ColMajor, 4>();
183  run_bdmp_spec_1<Scalar, RowMajor, 8>();
184  run_bdmp_spec_1<Scalar, ColMajor, 8>();
185  run_bdmp_spec_1<Scalar, RowMajor, 16>();
186  run_bdmp_spec_1<Scalar, ColMajor, 16>();
187 }
188 
190 {
191  for(int i = 0; i < g_repeat; i++)
192  {
193  CALL_SUBTEST_1(run_test<numext::int8_t>());
194  CALL_SUBTEST_2(run_test<numext::int16_t>());
195  CALL_SUBTEST_3(run_test<numext::int32_t>());
196 
197 // TODO: Replace this by a call to numext::int64_t as soon as we have a way to
198 // detect the typedef for int64_t on all platforms
199 #if EIGEN_HAS_CXX11
200  CALL_SUBTEST_4(run_test<signed long long>());
201 #else
202  CALL_SUBTEST_4(run_test<signed long>());
203 #endif
204 
205  CALL_SUBTEST_5(run_test<float_t>());
206  CALL_SUBTEST_6(run_test<double_t>());
207  CALL_SUBTEST_7(run_test<std::complex<float> >());
208  CALL_SUBTEST_8(run_test<std::complex<double> >());
209  }
210 }
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autogenerated on Fri Nov 1 2024 03:32:02