| /* | |
| Copyright (c) 2011, Intel Corporation. All rights reserved. | |
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| are permitted provided that the following conditions are met: | |
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| ******************************************************************************** | |
| * Content : Eigen bindings to Intel(R) MKL | |
| * MKL VML support for coefficient-wise unary Eigen expressions like a=b.sin() | |
| ******************************************************************************** | |
| */ | |
| #ifndef EIGEN_ASSIGN_VML_H | |
| #define EIGEN_ASSIGN_VML_H | |
| namespace Eigen { | |
| namespace internal { | |
| template<typename Op> struct vml_call | |
| { enum { IsSupported = 0 }; }; | |
| template<typename Dst, typename Src, typename UnaryOp> | |
| class vml_assign_traits | |
| { | |
| private: | |
| enum { | |
| DstHasDirectAccess = Dst::Flags & DirectAccessBit, | |
| SrcHasDirectAccess = Src::Flags & DirectAccessBit, | |
| StorageOrdersAgree = (int(Dst::IsRowMajor) == int(Src::IsRowMajor)), | |
| InnerSize = int(Dst::IsVectorAtCompileTime) ? int(Dst::SizeAtCompileTime) | |
| : int(Dst::Flags)&RowMajorBit ? int(Dst::ColsAtCompileTime) | |
| : int(Dst::RowsAtCompileTime), | |
| InnerMaxSize = int(Dst::IsVectorAtCompileTime) ? int(Dst::MaxSizeAtCompileTime) | |
| : int(Dst::Flags)&RowMajorBit ? int(Dst::MaxColsAtCompileTime) | |
| : int(Dst::MaxRowsAtCompileTime), | |
| MaxSizeAtCompileTime = Dst::SizeAtCompileTime, | |
| MightEnableVml = vml_call<UnaryOp>::IsSupported && StorageOrdersAgree && DstHasDirectAccess && SrcHasDirectAccess | |
| && Src::InnerStrideAtCompileTime==1 && Dst::InnerStrideAtCompileTime==1, | |
| MightLinearize = MightEnableVml && (int(Dst::Flags) & int(Src::Flags) & LinearAccessBit), | |
| VmlSize = MightLinearize ? MaxSizeAtCompileTime : InnerMaxSize, | |
| LargeEnough = VmlSize==Dynamic || VmlSize>=EIGEN_MKL_VML_THRESHOLD, | |
| MayEnableVml = MightEnableVml && LargeEnough, | |
| MayLinearize = MayEnableVml && MightLinearize | |
| }; | |
| public: | |
| enum { | |
| Traversal = MayLinearize ? LinearVectorizedTraversal | |
| : MayEnableVml ? InnerVectorizedTraversal | |
| : DefaultTraversal | |
| }; | |
| }; | |
| template<typename Derived1, typename Derived2, typename UnaryOp, int Traversal, int Unrolling, | |
| int VmlTraversal = vml_assign_traits<Derived1, Derived2, UnaryOp>::Traversal > | |
| struct vml_assign_impl | |
| : assign_impl<Derived1, Eigen::CwiseUnaryOp<UnaryOp, Derived2>,Traversal,Unrolling,BuiltIn> | |
| { | |
| }; | |
| template<typename Derived1, typename Derived2, typename UnaryOp, int Traversal, int Unrolling> | |
| struct vml_assign_impl<Derived1, Derived2, UnaryOp, Traversal, Unrolling, InnerVectorizedTraversal> | |
| { | |
| typedef typename Derived1::Scalar Scalar; | |
| typedef typename Derived1::Index Index; | |
| static inline void run(Derived1& dst, const CwiseUnaryOp<UnaryOp, Derived2>& src) | |
| { | |
| // in case we want to (or have to) skip VML at runtime we can call: | |
| // assign_impl<Derived1,Eigen::CwiseUnaryOp<UnaryOp, Derived2>,Traversal,Unrolling,BuiltIn>::run(dst,src); | |
| const Index innerSize = dst.innerSize(); | |
| const Index outerSize = dst.outerSize(); | |
| for(Index outer = 0; outer < outerSize; ++outer) { | |
| const Scalar *src_ptr = src.IsRowMajor ? &(src.nestedExpression().coeffRef(outer,0)) : | |
| &(src.nestedExpression().coeffRef(0, outer)); | |
| Scalar *dst_ptr = dst.IsRowMajor ? &(dst.coeffRef(outer,0)) : &(dst.coeffRef(0, outer)); | |
| vml_call<UnaryOp>::run(src.functor(), innerSize, src_ptr, dst_ptr ); | |
| } | |
| } | |
| }; | |
| template<typename Derived1, typename Derived2, typename UnaryOp, int Traversal, int Unrolling> | |
| struct vml_assign_impl<Derived1, Derived2, UnaryOp, Traversal, Unrolling, LinearVectorizedTraversal> | |
| { | |
| static inline void run(Derived1& dst, const CwiseUnaryOp<UnaryOp, Derived2>& src) | |
| { | |
| // in case we want to (or have to) skip VML at runtime we can call: | |
| // assign_impl<Derived1,Eigen::CwiseUnaryOp<UnaryOp, Derived2>,Traversal,Unrolling,BuiltIn>::run(dst,src); | |
| vml_call<UnaryOp>::run(src.functor(), dst.size(), src.nestedExpression().data(), dst.data() ); | |
| } | |
| }; | |
| // Macroses | |
| #define EIGEN_MKL_VML_SPECIALIZE_ASSIGN(TRAVERSAL,UNROLLING) \ | |
| template<typename Derived1, typename Derived2, typename UnaryOp> \ | |
| struct assign_impl<Derived1, Eigen::CwiseUnaryOp<UnaryOp, Derived2>, TRAVERSAL, UNROLLING, Specialized> { \ | |
| static inline void run(Derived1 &dst, const Eigen::CwiseUnaryOp<UnaryOp, Derived2> &src) { \ | |
| vml_assign_impl<Derived1,Derived2,UnaryOp,TRAVERSAL,UNROLLING>::run(dst, src); \ | |
| } \ | |
| }; | |
| EIGEN_MKL_VML_SPECIALIZE_ASSIGN(DefaultTraversal,NoUnrolling) | |
| EIGEN_MKL_VML_SPECIALIZE_ASSIGN(DefaultTraversal,CompleteUnrolling) | |
| EIGEN_MKL_VML_SPECIALIZE_ASSIGN(DefaultTraversal,InnerUnrolling) | |
| EIGEN_MKL_VML_SPECIALIZE_ASSIGN(LinearTraversal,NoUnrolling) | |
| EIGEN_MKL_VML_SPECIALIZE_ASSIGN(LinearTraversal,CompleteUnrolling) | |
| EIGEN_MKL_VML_SPECIALIZE_ASSIGN(InnerVectorizedTraversal,NoUnrolling) | |
| EIGEN_MKL_VML_SPECIALIZE_ASSIGN(InnerVectorizedTraversal,CompleteUnrolling) | |
| EIGEN_MKL_VML_SPECIALIZE_ASSIGN(InnerVectorizedTraversal,InnerUnrolling) | |
| EIGEN_MKL_VML_SPECIALIZE_ASSIGN(LinearVectorizedTraversal,CompleteUnrolling) | |
| EIGEN_MKL_VML_SPECIALIZE_ASSIGN(LinearVectorizedTraversal,NoUnrolling) | |
| EIGEN_MKL_VML_SPECIALIZE_ASSIGN(SliceVectorizedTraversal,NoUnrolling) | |
| #if !defined (EIGEN_FAST_MATH) || (EIGEN_FAST_MATH != 1) | |
| #define EIGEN_MKL_VML_MODE VML_HA | |
| #else | |
| #define EIGEN_MKL_VML_MODE VML_LA | |
| #endif | |
| #define EIGEN_MKL_VML_DECLARE_UNARY_CALL(EIGENOP, VMLOP, EIGENTYPE, VMLTYPE) \ | |
| template<> struct vml_call< scalar_##EIGENOP##_op<EIGENTYPE> > { \ | |
| enum { IsSupported = 1 }; \ | |
| static inline void run( const scalar_##EIGENOP##_op<EIGENTYPE>& /*func*/, \ | |
| int size, const EIGENTYPE* src, EIGENTYPE* dst) { \ | |
| VMLOP(size, (const VMLTYPE*)src, (VMLTYPE*)dst); \ | |
| } \ | |
| }; | |
| #define EIGEN_MKL_VML_DECLARE_UNARY_CALL_LA(EIGENOP, VMLOP, EIGENTYPE, VMLTYPE) \ | |
| template<> struct vml_call< scalar_##EIGENOP##_op<EIGENTYPE> > { \ | |
| enum { IsSupported = 1 }; \ | |
| static inline void run( const scalar_##EIGENOP##_op<EIGENTYPE>& /*func*/, \ | |
| int size, const EIGENTYPE* src, EIGENTYPE* dst) { \ | |
| MKL_INT64 vmlMode = EIGEN_MKL_VML_MODE; \ | |
| VMLOP(size, (const VMLTYPE*)src, (VMLTYPE*)dst, vmlMode); \ | |
| } \ | |
| }; | |
| #define EIGEN_MKL_VML_DECLARE_POW_CALL(EIGENOP, VMLOP, EIGENTYPE, VMLTYPE) \ | |
| template<> struct vml_call< scalar_##EIGENOP##_op<EIGENTYPE> > { \ | |
| enum { IsSupported = 1 }; \ | |
| static inline void run( const scalar_##EIGENOP##_op<EIGENTYPE>& func, \ | |
| int size, const EIGENTYPE* src, EIGENTYPE* dst) { \ | |
| EIGENTYPE exponent = func.m_exponent; \ | |
| MKL_INT64 vmlMode = EIGEN_MKL_VML_MODE; \ | |
| VMLOP(&size, (const VMLTYPE*)src, (const VMLTYPE*)&exponent, \ | |
| (VMLTYPE*)dst, &vmlMode); \ | |
| } \ | |
| }; | |
| #define EIGEN_MKL_VML_DECLARE_UNARY_CALLS_REAL(EIGENOP, VMLOP) \ | |
| EIGEN_MKL_VML_DECLARE_UNARY_CALL(EIGENOP, vs##VMLOP, float, float) \ | |
| EIGEN_MKL_VML_DECLARE_UNARY_CALL(EIGENOP, vd##VMLOP, double, double) | |
| #define EIGEN_MKL_VML_DECLARE_UNARY_CALLS_COMPLEX(EIGENOP, VMLOP) \ | |
| EIGEN_MKL_VML_DECLARE_UNARY_CALL(EIGENOP, vc##VMLOP, scomplex, MKL_Complex8) \ | |
| EIGEN_MKL_VML_DECLARE_UNARY_CALL(EIGENOP, vz##VMLOP, dcomplex, MKL_Complex16) | |
| #define EIGEN_MKL_VML_DECLARE_UNARY_CALLS(EIGENOP, VMLOP) \ | |
| EIGEN_MKL_VML_DECLARE_UNARY_CALLS_REAL(EIGENOP, VMLOP) \ | |
| EIGEN_MKL_VML_DECLARE_UNARY_CALLS_COMPLEX(EIGENOP, VMLOP) | |
| #define EIGEN_MKL_VML_DECLARE_UNARY_CALLS_REAL_LA(EIGENOP, VMLOP) \ | |
| EIGEN_MKL_VML_DECLARE_UNARY_CALL_LA(EIGENOP, vms##VMLOP, float, float) \ | |
| EIGEN_MKL_VML_DECLARE_UNARY_CALL_LA(EIGENOP, vmd##VMLOP, double, double) | |
| #define EIGEN_MKL_VML_DECLARE_UNARY_CALLS_COMPLEX_LA(EIGENOP, VMLOP) \ | |
| EIGEN_MKL_VML_DECLARE_UNARY_CALL_LA(EIGENOP, vmc##VMLOP, scomplex, MKL_Complex8) \ | |
| EIGEN_MKL_VML_DECLARE_UNARY_CALL_LA(EIGENOP, vmz##VMLOP, dcomplex, MKL_Complex16) | |
| #define EIGEN_MKL_VML_DECLARE_UNARY_CALLS_LA(EIGENOP, VMLOP) \ | |
| EIGEN_MKL_VML_DECLARE_UNARY_CALLS_REAL_LA(EIGENOP, VMLOP) \ | |
| EIGEN_MKL_VML_DECLARE_UNARY_CALLS_COMPLEX_LA(EIGENOP, VMLOP) | |
| EIGEN_MKL_VML_DECLARE_UNARY_CALLS_LA(sin, Sin) | |
| EIGEN_MKL_VML_DECLARE_UNARY_CALLS_LA(asin, Asin) | |
| EIGEN_MKL_VML_DECLARE_UNARY_CALLS_LA(cos, Cos) | |
| EIGEN_MKL_VML_DECLARE_UNARY_CALLS_LA(acos, Acos) | |
| EIGEN_MKL_VML_DECLARE_UNARY_CALLS_LA(tan, Tan) | |
| EIGEN_MKL_VML_DECLARE_UNARY_CALLS_LA(atan, Atan) | |
| //EIGEN_MKL_VML_DECLARE_UNARY_CALLS(abs, Abs) | |
| EIGEN_MKL_VML_DECLARE_UNARY_CALLS_LA(exp, Exp) | |
| EIGEN_MKL_VML_DECLARE_UNARY_CALLS_LA(log, Ln) | |
| EIGEN_MKL_VML_DECLARE_UNARY_CALLS_LA(sqrt, Sqrt) | |
| EIGEN_MKL_VML_DECLARE_UNARY_CALLS_REAL(square, Sqr) | |
| // The vm*powx functions are not avaibale in the windows version of MKL. | |
| #ifndef _WIN32 | |
| EIGEN_MKL_VML_DECLARE_POW_CALL(pow, vmspowx_, float, float) | |
| EIGEN_MKL_VML_DECLARE_POW_CALL(pow, vmdpowx_, double, double) | |
| EIGEN_MKL_VML_DECLARE_POW_CALL(pow, vmcpowx_, scomplex, MKL_Complex8) | |
| EIGEN_MKL_VML_DECLARE_POW_CALL(pow, vmzpowx_, dcomplex, MKL_Complex16) | |
| #endif | |
| } // end namespace internal | |
| } // end namespace Eigen | |
| #endif // EIGEN_ASSIGN_VML_H |