Eigen  3.2.91
Assign_MKL.h
1 /*
2  Copyright (c) 2011, Intel Corporation. All rights reserved.
3  Copyright (C) 2015 Gael Guennebaud <gael.guennebaud@inria.fr>
4 
5  Redistribution and use in source and binary forms, with or without modification,
6  are permitted provided that the following conditions are met:
7 
8  * Redistributions of source code must retain the above copyright notice, this
9  list of conditions and the following disclaimer.
10  * Redistributions in binary form must reproduce the above copyright notice,
11  this list of conditions and the following disclaimer in the documentation
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13  * Neither the name of Intel Corporation nor the names of its contributors may
14  be used to endorse or promote products derived from this software without
15  specific prior written permission.
16 
17  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
18  ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
19  WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
20  DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
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22  (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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27 
28  ********************************************************************************
29  * Content : Eigen bindings to Intel(R) MKL
30  * MKL VML support for coefficient-wise unary Eigen expressions like a=b.sin()
31  ********************************************************************************
32 */
33 
34 #ifndef EIGEN_ASSIGN_VML_H
35 #define EIGEN_ASSIGN_VML_H
36 
37 namespace Eigen {
38 
39 namespace internal {
40 
41 template<typename Dst, typename Src>
42 class vml_assign_traits
43 {
44  private:
45  enum {
46  DstHasDirectAccess = Dst::Flags & DirectAccessBit,
47  SrcHasDirectAccess = Src::Flags & DirectAccessBit,
48  StorageOrdersAgree = (int(Dst::IsRowMajor) == int(Src::IsRowMajor)),
49  InnerSize = int(Dst::IsVectorAtCompileTime) ? int(Dst::SizeAtCompileTime)
50  : int(Dst::Flags)&RowMajorBit ? int(Dst::ColsAtCompileTime)
51  : int(Dst::RowsAtCompileTime),
52  InnerMaxSize = int(Dst::IsVectorAtCompileTime) ? int(Dst::MaxSizeAtCompileTime)
53  : int(Dst::Flags)&RowMajorBit ? int(Dst::MaxColsAtCompileTime)
54  : int(Dst::MaxRowsAtCompileTime),
55  MaxSizeAtCompileTime = Dst::SizeAtCompileTime,
56 
57  MightEnableVml = StorageOrdersAgree && DstHasDirectAccess && SrcHasDirectAccess && Src::InnerStrideAtCompileTime==1 && Dst::InnerStrideAtCompileTime==1,
58  MightLinearize = MightEnableVml && (int(Dst::Flags) & int(Src::Flags) & LinearAccessBit),
59  VmlSize = MightLinearize ? MaxSizeAtCompileTime : InnerMaxSize,
60  LargeEnough = VmlSize==Dynamic || VmlSize>=EIGEN_MKL_VML_THRESHOLD
61  };
62  public:
63  enum {
64  EnableVml = MightEnableVml && LargeEnough,
65  Traversal = MightLinearize ? LinearTraversal : DefaultTraversal
66  };
67 };
68 
69 #define EIGEN_PP_EXPAND(ARG) ARG
70 #if !defined (EIGEN_FAST_MATH) || (EIGEN_FAST_MATH != 1)
71 #define EIGEN_VMLMODE_EXPAND_LA , VML_HA
72 #else
73 #define EIGEN_VMLMODE_EXPAND_LA , VML_LA
74 #endif
75 
76 #define EIGEN_VMLMODE_EXPAND__
77 
78 #define EIGEN_VMLMODE_PREFIX_LA vm
79 #define EIGEN_VMLMODE_PREFIX__ v
80 #define EIGEN_VMLMODE_PREFIX(VMLMODE) EIGEN_CAT(EIGEN_VMLMODE_PREFIX_,VMLMODE)
81 
82 #define EIGEN_MKL_VML_DECLARE_UNARY_CALL(EIGENOP, VMLOP, EIGENTYPE, VMLTYPE, VMLMODE) \
83  template< typename DstXprType, typename SrcXprNested> \
84  struct Assignment<DstXprType, CwiseUnaryOp<scalar_##EIGENOP##_op<EIGENTYPE>, SrcXprNested>, assign_op<EIGENTYPE>, \
85  Dense2Dense, typename enable_if<vml_assign_traits<DstXprType,SrcXprNested>::EnableVml,EIGENTYPE>::type> { \
86  typedef CwiseUnaryOp<scalar_##EIGENOP##_op<EIGENTYPE>, SrcXprNested> SrcXprType; \
87  static void run(DstXprType &dst, const SrcXprType &src, const assign_op<EIGENTYPE> &/*func*/) { \
88  eigen_assert(dst.rows() == src.rows() && dst.cols() == src.cols()); \
89  if(vml_assign_traits<DstXprType,SrcXprNested>::Traversal==LinearTraversal) { \
90  VMLOP(dst.size(), (const VMLTYPE*)src.nestedExpression().data(), \
91  (VMLTYPE*)dst.data() EIGEN_PP_EXPAND(EIGEN_VMLMODE_EXPAND_##VMLMODE) ); \
92  } else { \
93  const Index outerSize = dst.outerSize(); \
94  for(Index outer = 0; outer < outerSize; ++outer) { \
95  const EIGENTYPE *src_ptr = src.IsRowMajor ? &(src.nestedExpression().coeffRef(outer,0)) : \
96  &(src.nestedExpression().coeffRef(0, outer)); \
97  EIGENTYPE *dst_ptr = dst.IsRowMajor ? &(dst.coeffRef(outer,0)) : &(dst.coeffRef(0, outer)); \
98  VMLOP( dst.innerSize(), (const VMLTYPE*)src_ptr, \
99  (VMLTYPE*)dst_ptr EIGEN_PP_EXPAND(EIGEN_VMLMODE_EXPAND_##VMLMODE)); \
100  } \
101  } \
102  } \
103  }; \
104 
105 
106 #define EIGEN_MKL_VML_DECLARE_UNARY_CALLS_REAL(EIGENOP, VMLOP, VMLMODE) \
107  EIGEN_MKL_VML_DECLARE_UNARY_CALL(EIGENOP, EIGEN_CAT(EIGEN_VMLMODE_PREFIX(VMLMODE),s##VMLOP), float, float, VMLMODE) \
108  EIGEN_MKL_VML_DECLARE_UNARY_CALL(EIGENOP, EIGEN_CAT(EIGEN_VMLMODE_PREFIX(VMLMODE),d##VMLOP), double, double, VMLMODE)
109 
110 #define EIGEN_MKL_VML_DECLARE_UNARY_CALLS_CPLX(EIGENOP, VMLOP, VMLMODE) \
111  EIGEN_MKL_VML_DECLARE_UNARY_CALL(EIGENOP, EIGEN_CAT(EIGEN_VMLMODE_PREFIX(VMLMODE),c##VMLOP), scomplex, MKL_Complex8, VMLMODE) \
112  EIGEN_MKL_VML_DECLARE_UNARY_CALL(EIGENOP, EIGEN_CAT(EIGEN_VMLMODE_PREFIX(VMLMODE),z##VMLOP), dcomplex, MKL_Complex16, VMLMODE)
113 
114 #define EIGEN_MKL_VML_DECLARE_UNARY_CALLS(EIGENOP, VMLOP, VMLMODE) \
115  EIGEN_MKL_VML_DECLARE_UNARY_CALLS_REAL(EIGENOP, VMLOP, VMLMODE) \
116  EIGEN_MKL_VML_DECLARE_UNARY_CALLS_CPLX(EIGENOP, VMLOP, VMLMODE)
117 
118 
119 EIGEN_MKL_VML_DECLARE_UNARY_CALLS(sin, Sin, LA)
120 EIGEN_MKL_VML_DECLARE_UNARY_CALLS(asin, Asin, LA)
121 EIGEN_MKL_VML_DECLARE_UNARY_CALLS(sinh, Sinh, LA)
122 EIGEN_MKL_VML_DECLARE_UNARY_CALLS(cos, Cos, LA)
123 EIGEN_MKL_VML_DECLARE_UNARY_CALLS(acos, Acos, LA)
124 EIGEN_MKL_VML_DECLARE_UNARY_CALLS(cosh, Cosh, LA)
125 EIGEN_MKL_VML_DECLARE_UNARY_CALLS(tan, Tan, LA)
126 EIGEN_MKL_VML_DECLARE_UNARY_CALLS(atan, Atan, LA)
127 EIGEN_MKL_VML_DECLARE_UNARY_CALLS(tanh, Tanh, LA)
128 // EIGEN_MKL_VML_DECLARE_UNARY_CALLS(abs, Abs, _)
129 EIGEN_MKL_VML_DECLARE_UNARY_CALLS(exp, Exp, LA)
130 EIGEN_MKL_VML_DECLARE_UNARY_CALLS(log, Ln, LA)
131 EIGEN_MKL_VML_DECLARE_UNARY_CALLS(log10, Log10, LA)
132 EIGEN_MKL_VML_DECLARE_UNARY_CALLS(sqrt, Sqrt, _)
133 
134 EIGEN_MKL_VML_DECLARE_UNARY_CALLS_REAL(square, Sqr, _)
135 EIGEN_MKL_VML_DECLARE_UNARY_CALLS_CPLX(arg, Arg, _)
136 EIGEN_MKL_VML_DECLARE_UNARY_CALLS_REAL(round, Round, _)
137 EIGEN_MKL_VML_DECLARE_UNARY_CALLS_REAL(floor, Floor, _)
138 EIGEN_MKL_VML_DECLARE_UNARY_CALLS_REAL(ceil, Ceil, _)
139 
140 #define EIGEN_MKL_VML_DECLARE_POW_CALL(EIGENOP, VMLOP, EIGENTYPE, VMLTYPE, VMLMODE) \
141  template< typename DstXprType, typename SrcXprNested> \
142  struct Assignment<DstXprType, CwiseUnaryOp<scalar_##EIGENOP##_op<EIGENTYPE>, SrcXprNested>, assign_op<EIGENTYPE>, \
143  Dense2Dense, typename enable_if<vml_assign_traits<DstXprType,SrcXprNested>::EnableVml,EIGENTYPE>::type> { \
144  typedef CwiseUnaryOp<scalar_##EIGENOP##_op<EIGENTYPE>, SrcXprNested> SrcXprType; \
145  static void run(DstXprType &dst, const SrcXprType &src, const assign_op<EIGENTYPE> &/*func*/) { \
146  eigen_assert(dst.rows() == src.rows() && dst.cols() == src.cols()); \
147  VMLTYPE exponent = reinterpret_cast<const VMLTYPE&>(src.functor().m_exponent); \
148  if(vml_assign_traits<DstXprType,SrcXprNested>::Traversal==LinearTraversal) \
149  { \
150  VMLOP( dst.size(), (const VMLTYPE*)src.nestedExpression().data(), exponent, \
151  (VMLTYPE*)dst.data() EIGEN_PP_EXPAND(EIGEN_VMLMODE_EXPAND_##VMLMODE) ); \
152  } else { \
153  const Index outerSize = dst.outerSize(); \
154  for(Index outer = 0; outer < outerSize; ++outer) { \
155  const EIGENTYPE *src_ptr = src.IsRowMajor ? &(src.nestedExpression().coeffRef(outer,0)) : \
156  &(src.nestedExpression().coeffRef(0, outer)); \
157  EIGENTYPE *dst_ptr = dst.IsRowMajor ? &(dst.coeffRef(outer,0)) : &(dst.coeffRef(0, outer)); \
158  VMLOP( dst.innerSize(), (const VMLTYPE*)src_ptr, exponent, \
159  (VMLTYPE*)dst_ptr EIGEN_PP_EXPAND(EIGEN_VMLMODE_EXPAND_##VMLMODE)); \
160  } \
161  } \
162  } \
163  };
164 
165 EIGEN_MKL_VML_DECLARE_POW_CALL(pow, vmsPowx, float, float, LA)
166 EIGEN_MKL_VML_DECLARE_POW_CALL(pow, vmdPowx, double, double, LA)
167 EIGEN_MKL_VML_DECLARE_POW_CALL(pow, vmcPowx, scomplex, MKL_Complex8, LA)
168 EIGEN_MKL_VML_DECLARE_POW_CALL(pow, vmzPowx, dcomplex, MKL_Complex16, LA)
169 
170 } // end namespace internal
171 
172 } // end namespace Eigen
173 
174 #endif // EIGEN_ASSIGN_VML_H
const unsigned int DirectAccessBit
Definition: Constants.h:141
Definition: LDLT.h:16
const unsigned int RowMajorBit
Definition: Constants.h:53
Definition: Eigen_Colamd.h:54
const unsigned int LinearAccessBit
Definition: Constants.h:116