Assign_MKL.h
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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
21  ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
22  (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
23  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
24  ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
26  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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_xLA , VML_HA
72 #else
73 #define EIGEN_VMLMODE_EXPAND_xLA , VML_LA
74 #endif
75 
76 #define EIGEN_VMLMODE_EXPAND_x_
77 
78 #define EIGEN_VMLMODE_PREFIX_xLA vm
79 #define EIGEN_VMLMODE_PREFIX_x_ v
80 #define EIGEN_VMLMODE_PREFIX(VMLMODE) EIGEN_CAT(EIGEN_VMLMODE_PREFIX_x,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,EIGENTYPE>, \
85  Dense2Dense, typename enable_if<vml_assign_traits<DstXprType,SrcXprNested>::EnableVml>::type> { \
86  typedef CwiseUnaryOp<scalar_##EIGENOP##_op<EIGENTYPE>, SrcXprNested> SrcXprType; \
87  static void run(DstXprType &dst, const SrcXprType &src, const assign_op<EIGENTYPE,EIGENTYPE> &func) { \
88  resize_if_allowed(dst, src, func); \
89  eigen_assert(dst.rows() == src.rows() && dst.cols() == src.cols()); \
90  if(vml_assign_traits<DstXprType,SrcXprNested>::Traversal==LinearTraversal) { \
91  VMLOP(dst.size(), (const VMLTYPE*)src.nestedExpression().data(), \
92  (VMLTYPE*)dst.data() EIGEN_PP_EXPAND(EIGEN_VMLMODE_EXPAND_x##VMLMODE) ); \
93  } else { \
94  const Index outerSize = dst.outerSize(); \
95  for(Index outer = 0; outer < outerSize; ++outer) { \
96  const EIGENTYPE *src_ptr = src.IsRowMajor ? &(src.nestedExpression().coeffRef(outer,0)) : \
97  &(src.nestedExpression().coeffRef(0, outer)); \
98  EIGENTYPE *dst_ptr = dst.IsRowMajor ? &(dst.coeffRef(outer,0)) : &(dst.coeffRef(0, outer)); \
99  VMLOP( dst.innerSize(), (const VMLTYPE*)src_ptr, \
100  (VMLTYPE*)dst_ptr EIGEN_PP_EXPAND(EIGEN_VMLMODE_EXPAND_x##VMLMODE)); \
101  } \
102  } \
103  } \
104  }; \
105 
106 
107 #define EIGEN_MKL_VML_DECLARE_UNARY_CALLS_REAL(EIGENOP, VMLOP, VMLMODE) \
108  EIGEN_MKL_VML_DECLARE_UNARY_CALL(EIGENOP, EIGEN_CAT(EIGEN_VMLMODE_PREFIX(VMLMODE),s##VMLOP), float, float, VMLMODE) \
109  EIGEN_MKL_VML_DECLARE_UNARY_CALL(EIGENOP, EIGEN_CAT(EIGEN_VMLMODE_PREFIX(VMLMODE),d##VMLOP), double, double, VMLMODE)
110 
111 #define EIGEN_MKL_VML_DECLARE_UNARY_CALLS_CPLX(EIGENOP, VMLOP, VMLMODE) \
112  EIGEN_MKL_VML_DECLARE_UNARY_CALL(EIGENOP, EIGEN_CAT(EIGEN_VMLMODE_PREFIX(VMLMODE),c##VMLOP), scomplex, MKL_Complex8, VMLMODE) \
113  EIGEN_MKL_VML_DECLARE_UNARY_CALL(EIGENOP, EIGEN_CAT(EIGEN_VMLMODE_PREFIX(VMLMODE),z##VMLOP), dcomplex, MKL_Complex16, VMLMODE)
114 
115 #define EIGEN_MKL_VML_DECLARE_UNARY_CALLS(EIGENOP, VMLOP, VMLMODE) \
116  EIGEN_MKL_VML_DECLARE_UNARY_CALLS_REAL(EIGENOP, VMLOP, VMLMODE) \
117  EIGEN_MKL_VML_DECLARE_UNARY_CALLS_CPLX(EIGENOP, VMLOP, VMLMODE)
118 
119 
120 EIGEN_MKL_VML_DECLARE_UNARY_CALLS(sin, Sin, LA)
121 EIGEN_MKL_VML_DECLARE_UNARY_CALLS(asin, Asin, LA)
122 EIGEN_MKL_VML_DECLARE_UNARY_CALLS(sinh, Sinh, LA)
123 EIGEN_MKL_VML_DECLARE_UNARY_CALLS(cos, Cos, LA)
124 EIGEN_MKL_VML_DECLARE_UNARY_CALLS(acos, Acos, LA)
125 EIGEN_MKL_VML_DECLARE_UNARY_CALLS(cosh, Cosh, LA)
126 EIGEN_MKL_VML_DECLARE_UNARY_CALLS(tan, Tan, LA)
127 EIGEN_MKL_VML_DECLARE_UNARY_CALLS(atan, Atan, LA)
128 EIGEN_MKL_VML_DECLARE_UNARY_CALLS(tanh, Tanh, LA)
129 // EIGEN_MKL_VML_DECLARE_UNARY_CALLS(abs, Abs, _)
130 EIGEN_MKL_VML_DECLARE_UNARY_CALLS(exp, Exp, LA)
131 EIGEN_MKL_VML_DECLARE_UNARY_CALLS(log, Ln, LA)
132 EIGEN_MKL_VML_DECLARE_UNARY_CALLS(log10, Log10, LA)
133 EIGEN_MKL_VML_DECLARE_UNARY_CALLS(sqrt, Sqrt, _)
134 
135 EIGEN_MKL_VML_DECLARE_UNARY_CALLS_REAL(square, Sqr, _)
136 EIGEN_MKL_VML_DECLARE_UNARY_CALLS_CPLX(arg, Arg, _)
137 EIGEN_MKL_VML_DECLARE_UNARY_CALLS_REAL(round, Round, _)
138 EIGEN_MKL_VML_DECLARE_UNARY_CALLS_REAL(floor, Floor, _)
139 EIGEN_MKL_VML_DECLARE_UNARY_CALLS_REAL(ceil, Ceil, _)
140 
141 #define EIGEN_MKL_VML_DECLARE_POW_CALL(EIGENOP, VMLOP, EIGENTYPE, VMLTYPE, VMLMODE) \
142  template< typename DstXprType, typename SrcXprNested, typename Plain> \
143  struct Assignment<DstXprType, CwiseBinaryOp<scalar_##EIGENOP##_op<EIGENTYPE,EIGENTYPE>, SrcXprNested, \
144  const CwiseNullaryOp<internal::scalar_constant_op<EIGENTYPE>,Plain> >, assign_op<EIGENTYPE,EIGENTYPE>, \
145  Dense2Dense, typename enable_if<vml_assign_traits<DstXprType,SrcXprNested>::EnableVml>::type> { \
146  typedef CwiseBinaryOp<scalar_##EIGENOP##_op<EIGENTYPE,EIGENTYPE>, SrcXprNested, \
147  const CwiseNullaryOp<internal::scalar_constant_op<EIGENTYPE>,Plain> > SrcXprType; \
148  static void run(DstXprType &dst, const SrcXprType &src, const assign_op<EIGENTYPE,EIGENTYPE> &func) { \
149  resize_if_allowed(dst, src, func); \
150  eigen_assert(dst.rows() == src.rows() && dst.cols() == src.cols()); \
151  VMLTYPE exponent = reinterpret_cast<const VMLTYPE&>(src.rhs().functor().m_other); \
152  if(vml_assign_traits<DstXprType,SrcXprNested>::Traversal==LinearTraversal) \
153  { \
154  VMLOP( dst.size(), (const VMLTYPE*)src.lhs().data(), exponent, \
155  (VMLTYPE*)dst.data() EIGEN_PP_EXPAND(EIGEN_VMLMODE_EXPAND_x##VMLMODE) ); \
156  } else { \
157  const Index outerSize = dst.outerSize(); \
158  for(Index outer = 0; outer < outerSize; ++outer) { \
159  const EIGENTYPE *src_ptr = src.IsRowMajor ? &(src.lhs().coeffRef(outer,0)) : \
160  &(src.lhs().coeffRef(0, outer)); \
161  EIGENTYPE *dst_ptr = dst.IsRowMajor ? &(dst.coeffRef(outer,0)) : &(dst.coeffRef(0, outer)); \
162  VMLOP( dst.innerSize(), (const VMLTYPE*)src_ptr, exponent, \
163  (VMLTYPE*)dst_ptr EIGEN_PP_EXPAND(EIGEN_VMLMODE_EXPAND_x##VMLMODE)); \
164  } \
165  } \
166  } \
167  };
168 
169 EIGEN_MKL_VML_DECLARE_POW_CALL(pow, vmsPowx, float, float, LA)
170 EIGEN_MKL_VML_DECLARE_POW_CALL(pow, vmdPowx, double, double, LA)
171 EIGEN_MKL_VML_DECLARE_POW_CALL(pow, vmcPowx, scomplex, MKL_Complex8, LA)
172 EIGEN_MKL_VML_DECLARE_POW_CALL(pow, vmzPowx, dcomplex, MKL_Complex16, LA)
173 
174 } // end namespace internal
175 
176 } // end namespace Eigen
177 
178 #endif // EIGEN_ASSIGN_VML_H
Eigen::internal::vml_assign_traits::SrcHasDirectAccess
Definition: Assign_MKL.h:47
Eigen::internal::vml_assign_traits::InnerMaxSize
Definition: Assign_MKL.h:52
ceres::cos
Jet< T, N > cos(const Jet< T, N > &f)
Definition: jet.h:426
Eigen::internal::vml_assign_traits::MightEnableVml
Definition: Assign_MKL.h:57
EIGEN_MKL_VML_DECLARE_UNARY_CALLS_REAL
#define EIGEN_MKL_VML_DECLARE_UNARY_CALLS_REAL(EIGENOP, VMLOP, VMLMODE)
Definition: Assign_MKL.h:107
Eigen::DirectAccessBit
const unsigned int DirectAccessBit
Definition: Constants.h:155
ceres::acos
Jet< T, N > acos(const Jet< T, N > &f)
Definition: jet.h:432
tanh
EIGEN_DEVICE_FUNC const TanhReturnType tanh() const
Definition: ArrayCwiseUnaryOps.h:325
ceres::sin
Jet< T, N > sin(const Jet< T, N > &f)
Definition: jet.h:439
Eigen
Namespace containing all symbols from the Eigen library.
Definition: jet.h:637
Round
static int Round(int n)
Definition: benchmark_main.cc:39
Eigen::internal::vml_assign_traits::Traversal
Definition: Assign_MKL.h:65
arg
Definition: cast.h:1238
Eigen::RowMajorBit
const unsigned int RowMajorBit
Definition: Constants.h:66
sinh
EIGEN_DEVICE_FUNC const SinhReturnType sinh() const
Definition: ArrayCwiseUnaryOps.h:339
log
EIGEN_DEVICE_FUNC const LogReturnType log() const
Definition: ArrayCwiseUnaryOps.h:128
Eigen::internal::vml_assign_traits::InnerSize
Definition: Assign_MKL.h:49
Eigen::internal::vml_assign_traits::VmlSize
Definition: Assign_MKL.h:59
atan
EIGEN_DEVICE_FUNC const AtanReturnType atan() const
Definition: ArrayCwiseUnaryOps.h:283
exp
EIGEN_DEVICE_FUNC const ExpReturnType exp() const
Definition: ArrayCwiseUnaryOps.h:97
floor
EIGEN_DEVICE_FUNC const FloorReturnType floor() const
Definition: ArrayCwiseUnaryOps.h:481
EIGEN_MKL_VML_DECLARE_UNARY_CALLS
#define EIGEN_MKL_VML_DECLARE_UNARY_CALLS(EIGENOP, VMLOP, VMLMODE)
Definition: Assign_MKL.h:115
square
EIGEN_DEVICE_FUNC const SquareReturnType square() const
Definition: ArrayCwiseUnaryOps.h:425
Eigen::scomplex
std::complex< float > scomplex
Definition: MKL_support.h:126
Eigen::dcomplex
std::complex< double > dcomplex
Definition: MKL_support.h:125
Eigen::internal::vml_assign_traits::EnableVml
Definition: Assign_MKL.h:64
EIGEN_MKL_VML_DECLARE_UNARY_CALLS_CPLX
#define EIGEN_MKL_VML_DECLARE_UNARY_CALLS_CPLX(EIGENOP, VMLOP, VMLMODE)
Definition: Assign_MKL.h:111
Eigen::internal::vml_assign_traits
Definition: Assign_MKL.h:42
_
constexpr descr< N - 1 > _(char const (&text)[N])
Definition: descr.h:109
log10
EIGEN_DEVICE_FUNC const Log10ReturnType log10() const
Definition: ArrayCwiseUnaryOps.h:158
Eigen::internal::vml_assign_traits::StorageOrdersAgree
Definition: Assign_MKL.h:48
Eigen::internal::vml_assign_traits::MightLinearize
Definition: Assign_MKL.h:58
tan
EIGEN_DEVICE_FUNC const TanReturnType tan() const
Definition: ArrayCwiseUnaryOps.h:269
ceres::sqrt
Jet< T, N > sqrt(const Jet< T, N > &f)
Definition: jet.h:418
Eigen::internal::vml_assign_traits::DstHasDirectAccess
Definition: Assign_MKL.h:46
Eigen::Dynamic
const int Dynamic
Definition: Constants.h:22
ceres::pow
Jet< T, N > pow(const Jet< T, N > &f, double g)
Definition: jet.h:570
cosh
EIGEN_DEVICE_FUNC const CoshReturnType cosh() const
Definition: ArrayCwiseUnaryOps.h:353
asin
EIGEN_DEVICE_FUNC const AsinReturnType asin() const
Definition: ArrayCwiseUnaryOps.h:311
EIGEN_MKL_VML_DECLARE_POW_CALL
#define EIGEN_MKL_VML_DECLARE_POW_CALL(EIGENOP, VMLOP, EIGENTYPE, VMLTYPE, VMLMODE)
Definition: Assign_MKL.h:141
Eigen::LinearAccessBit
const unsigned int LinearAccessBit
Definition: Constants.h:130
ceil
EIGEN_DEVICE_FUNC const CeilReturnType ceil() const
Definition: ArrayCwiseUnaryOps.h:495
Eigen::internal::vml_assign_traits::MaxSizeAtCompileTime
Definition: Assign_MKL.h:55
round
EIGEN_DEVICE_FUNC const RoundReturnType round() const
Definition: ArrayCwiseUnaryOps.h:467

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