diff options
Diffstat (limited to 'Eigen/src/Core/products/GeneralMatrixMatrix.h')
| -rw-r--r-- | Eigen/src/Core/products/GeneralMatrixMatrix.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/Eigen/src/Core/products/GeneralMatrixMatrix.h b/Eigen/src/Core/products/GeneralMatrixMatrix.h index b2f51ca5b..9166921fe 100644 --- a/Eigen/src/Core/products/GeneralMatrixMatrix.h +++ b/Eigen/src/Core/products/GeneralMatrixMatrix.h @@ -334,6 +334,19 @@ struct ei_gebp_kernel }; // pack a block of the lhs +// The travesal is as follow (mr==4): +// 0 4 8 12 ... +// 1 5 9 13 ... +// 2 6 10 14 ... +// 3 7 11 15 ... +// +// 16 20 24 28 ... +// 17 21 25 29 ... +// 18 22 26 30 ... +// 19 23 27 31 ... +// +// 32 33 34 35 ... +// 36 36 38 39 ... template<typename Scalar, int mr, int StorageOrder, bool Conjugate> struct ei_gemm_pack_lhs { @@ -357,6 +370,11 @@ struct ei_gemm_pack_lhs // copy a complete panel of the rhs while expending each coefficient into a packet form // this version is optimized for column major matrices +// The traversal order is as follow (nr==4): +// 0 1 2 3 12 13 14 15 24 27 +// 4 5 6 7 16 17 18 19 25 28 +// 8 9 10 11 20 21 22 23 26 29 +// . . . . . . . . . . template<typename Scalar, int nr> struct ei_gemm_pack_rhs<Scalar, nr, ColMajor> { |