diff options
Diffstat (limited to 'Eigen/src/Core/products/TriangularSolverMatrix.h')
| -rw-r--r-- | Eigen/src/Core/products/TriangularSolverMatrix.h | 53 |
1 files changed, 30 insertions, 23 deletions
diff --git a/Eigen/src/Core/products/TriangularSolverMatrix.h b/Eigen/src/Core/products/TriangularSolverMatrix.h index 1f7afd187..f5de67c59 100644 --- a/Eigen/src/Core/products/TriangularSolverMatrix.h +++ b/Eigen/src/Core/products/TriangularSolverMatrix.h @@ -52,10 +52,14 @@ EIGEN_DONT_INLINE void triangular_solve_matrix<Scalar,Index,OnTheLeft,Mode,Conju level3_blocking<Scalar,Scalar>& blocking) { Index cols = otherSize; - const_blas_data_mapper<Scalar, Index, TriStorageOrder> tri(_tri,triStride); - blas_data_mapper<Scalar, Index, ColMajor> other(_other,otherStride); + + typedef const_blas_data_mapper<Scalar, Index, TriStorageOrder> TriMapper; + typedef blas_data_mapper<Scalar, Index, ColMajor> OtherMapper; + TriMapper tri(_tri, triStride); + OtherMapper other(_other, otherStride); typedef gebp_traits<Scalar,Scalar> Traits; + enum { SmallPanelWidth = EIGEN_PLAIN_ENUM_MAX(Traits::mr,Traits::nr), IsLower = (Mode&Lower) == Lower @@ -71,14 +75,14 @@ EIGEN_DONT_INLINE void triangular_solve_matrix<Scalar,Index,OnTheLeft,Mode,Conju ei_declare_aligned_stack_constructed_variable(Scalar, blockB, sizeB, blocking.blockB()); conj_if<Conjugate> conj; - gebp_kernel<Scalar, Scalar, Index, Traits::mr, Traits::nr, Conjugate, false> gebp_kernel; - gemm_pack_lhs<Scalar, Index, Traits::mr, Traits::LhsProgress, TriStorageOrder> pack_lhs; - gemm_pack_rhs<Scalar, Index, Traits::nr, ColMajor, false, true> pack_rhs; + gebp_kernel<Scalar, Scalar, Index, OtherMapper, Traits::mr, Traits::nr, Conjugate, false> gebp_kernel; + gemm_pack_lhs<Scalar, Index, TriMapper, Traits::mr, Traits::LhsProgress, TriStorageOrder> pack_lhs; + gemm_pack_rhs<Scalar, Index, OtherMapper, Traits::nr, ColMajor, false, true> pack_rhs; // the goal here is to subdivise the Rhs panels such that we keep some cache // coherence when accessing the rhs elements - std::ptrdiff_t l1, l2; - manage_caching_sizes(GetAction, &l1, &l2); + std::ptrdiff_t l1, l2, l3; + manage_caching_sizes(GetAction, &l1, &l2, &l3); Index subcols = cols>0 ? l2/(4 * sizeof(Scalar) * otherStride) : 0; subcols = std::max<Index>((subcols/Traits::nr)*Traits::nr, Traits::nr); @@ -146,16 +150,16 @@ EIGEN_DONT_INLINE void triangular_solve_matrix<Scalar,Index,OnTheLeft,Mode,Conju Index blockBOffset = IsLower ? k1 : lengthTarget; // update the respective rows of B from other - pack_rhs(blockB+actual_kc*j2, &other(startBlock,j2), otherStride, actualPanelWidth, actual_cols, actual_kc, blockBOffset); + pack_rhs(blockB+actual_kc*j2, other.getSubMapper(startBlock,j2), actualPanelWidth, actual_cols, actual_kc, blockBOffset); // GEBP if (lengthTarget>0) { Index startTarget = IsLower ? k2+k1+actualPanelWidth : k2-actual_kc; - pack_lhs(blockA, &tri(startTarget,startBlock), triStride, actualPanelWidth, lengthTarget); + pack_lhs(blockA, tri.getSubMapper(startTarget,startBlock), actualPanelWidth, lengthTarget); - gebp_kernel(&other(startTarget,j2), otherStride, blockA, blockB+actual_kc*j2, lengthTarget, actualPanelWidth, actual_cols, Scalar(-1), + gebp_kernel(other.getSubMapper(startTarget,j2), blockA, blockB+actual_kc*j2, lengthTarget, actualPanelWidth, actual_cols, Scalar(-1), actualPanelWidth, actual_kc, 0, blockBOffset); } } @@ -170,9 +174,9 @@ EIGEN_DONT_INLINE void triangular_solve_matrix<Scalar,Index,OnTheLeft,Mode,Conju const Index actual_mc = (std::min)(mc,end-i2); if (actual_mc>0) { - pack_lhs(blockA, &tri(i2, IsLower ? k2 : k2-kc), triStride, actual_kc, actual_mc); + pack_lhs(blockA, tri.getSubMapper(i2, IsLower ? k2 : k2-kc), actual_kc, actual_mc); - gebp_kernel(_other+i2, otherStride, blockA, blockB, actual_mc, actual_kc, cols, Scalar(-1), -1, -1, 0, 0); + gebp_kernel(other.getSubMapper(i2, 0), blockA, blockB, actual_mc, actual_kc, cols, Scalar(-1), -1, -1, 0, 0); } } } @@ -198,8 +202,11 @@ EIGEN_DONT_INLINE void triangular_solve_matrix<Scalar,Index,OnTheRight,Mode,Conj level3_blocking<Scalar,Scalar>& blocking) { Index rows = otherSize; - const_blas_data_mapper<Scalar, Index, TriStorageOrder> rhs(_tri,triStride); - blas_data_mapper<Scalar, Index, ColMajor> lhs(_other,otherStride); + + typedef blas_data_mapper<Scalar, Index, ColMajor> LhsMapper; + typedef const_blas_data_mapper<Scalar, Index, TriStorageOrder> RhsMapper; + LhsMapper lhs(_other, otherStride); + RhsMapper rhs(_tri, triStride); typedef gebp_traits<Scalar,Scalar> Traits; enum { @@ -218,10 +225,10 @@ EIGEN_DONT_INLINE void triangular_solve_matrix<Scalar,Index,OnTheRight,Mode,Conj ei_declare_aligned_stack_constructed_variable(Scalar, blockB, sizeB, blocking.blockB()); conj_if<Conjugate> conj; - gebp_kernel<Scalar,Scalar, Index, Traits::mr, Traits::nr, false, Conjugate> gebp_kernel; - gemm_pack_rhs<Scalar, Index, Traits::nr,RhsStorageOrder> pack_rhs; - gemm_pack_rhs<Scalar, Index, Traits::nr,RhsStorageOrder,false,true> pack_rhs_panel; - gemm_pack_lhs<Scalar, Index, Traits::mr, Traits::LhsProgress, ColMajor, false, true> pack_lhs_panel; + gebp_kernel<Scalar, Scalar, Index, LhsMapper, Traits::mr, Traits::nr, false, Conjugate> gebp_kernel; + gemm_pack_rhs<Scalar, Index, RhsMapper, Traits::nr, RhsStorageOrder> pack_rhs; + gemm_pack_rhs<Scalar, Index, RhsMapper, Traits::nr, RhsStorageOrder,false,true> pack_rhs_panel; + gemm_pack_lhs<Scalar, Index, LhsMapper, Traits::mr, Traits::LhsProgress, ColMajor, false, true> pack_lhs_panel; for(Index k2=IsLower ? size : 0; IsLower ? k2>0 : k2<size; @@ -234,7 +241,7 @@ EIGEN_DONT_INLINE void triangular_solve_matrix<Scalar,Index,OnTheRight,Mode,Conj Index rs = IsLower ? actual_k2 : size - actual_k2 - actual_kc; Scalar* geb = blockB+actual_kc*actual_kc; - if (rs>0) pack_rhs(geb, &rhs(actual_k2,startPanel), triStride, actual_kc, rs); + if (rs>0) pack_rhs(geb, rhs.getSubMapper(actual_k2,startPanel), actual_kc, rs); // triangular packing (we only pack the panels off the diagonal, // neglecting the blocks overlapping the diagonal @@ -248,7 +255,7 @@ EIGEN_DONT_INLINE void triangular_solve_matrix<Scalar,Index,OnTheRight,Mode,Conj if (panelLength>0) pack_rhs_panel(blockB+j2*actual_kc, - &rhs(actual_k2+panelOffset, actual_j2), triStride, + rhs.getSubMapper(actual_k2+panelOffset, actual_j2), panelLength, actualPanelWidth, actual_kc, panelOffset); } @@ -276,7 +283,7 @@ EIGEN_DONT_INLINE void triangular_solve_matrix<Scalar,Index,OnTheRight,Mode,Conj // GEBP if(panelLength>0) { - gebp_kernel(&lhs(i2,absolute_j2), otherStride, + gebp_kernel(lhs.getSubMapper(i2,absolute_j2), blockA, blockB+j2*actual_kc, actual_mc, panelLength, actualPanelWidth, Scalar(-1), @@ -303,14 +310,14 @@ EIGEN_DONT_INLINE void triangular_solve_matrix<Scalar,Index,OnTheRight,Mode,Conj } // pack the just computed part of lhs to A - pack_lhs_panel(blockA, _other+absolute_j2*otherStride+i2, otherStride, + pack_lhs_panel(blockA, LhsMapper(_other+absolute_j2*otherStride+i2, otherStride), actualPanelWidth, actual_mc, actual_kc, j2); } } if (rs>0) - gebp_kernel(_other+i2+startPanel*otherStride, otherStride, blockA, geb, + gebp_kernel(lhs.getSubMapper(i2, startPanel), blockA, geb, actual_mc, actual_kc, rs, Scalar(-1), -1, -1, 0, 0); } |