PCTwoLevelsBlockDiagonal::PCTwoLevelsBlockDiagonalContext Struct Reference

#include <PCTwoLevelsBlockDiagonal.hpp>

Collaboration diagram for PCTwoLevelsBlockDiagonal::PCTwoLevelsBlockDiagonalContext:

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List of all members.

Public Attributes
Mat	A11_matrix_subblock
Mat	A22_B1_matrix_subblock
Mat	A22_B2_matrix_subblock
PC	PC_amg_A11
PC	PC_amg_A22_B1
PC	PC_amg_A22_B2
Vec	x1_subvector
Vec	x21_subvector
Vec	x22_subvector
Vec	y1_subvector
Vec	y21_subvector
Vec	y22_subvector
VecScatter	A11_scatter_ctx
VecScatter	A22_B1_scatter_ctx
VecScatter	A22_B2_scatter_ctx

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Detailed Description

This struct defines the state of the preconditioner (initialised data and objects to be reused)

Definition at line 86 of file PCTwoLevelsBlockDiagonal.hpp.

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Member Data Documentation

Mat PCTwoLevelsBlockDiagonal::PCTwoLevelsBlockDiagonalContext::A11_matrix_subblock

Mat object that stores the A11 subblock

Definition at line 87 of file PCTwoLevelsBlockDiagonal.hpp.

Referenced by PCTwoLevelsBlockDiagonal::PCTwoLevelsBlockDiagonalCreate(), and PCTwoLevelsBlockDiagonal::PCTwoLevelsBlockDiagonalSetUp().

Mat PCTwoLevelsBlockDiagonal::PCTwoLevelsBlockDiagonalContext::A22_B1_matrix_subblock

Mat object that stores the tissue part of the A22 subblock

Definition at line 88 of file PCTwoLevelsBlockDiagonal.hpp.

Referenced by PCTwoLevelsBlockDiagonal::PCTwoLevelsBlockDiagonalCreate(), and PCTwoLevelsBlockDiagonal::PCTwoLevelsBlockDiagonalSetUp().

Mat PCTwoLevelsBlockDiagonal::PCTwoLevelsBlockDiagonalContext::A22_B2_matrix_subblock

Mat object that stores the bath part of the A22 subblock

Definition at line 89 of file PCTwoLevelsBlockDiagonal.hpp.

Referenced by PCTwoLevelsBlockDiagonal::PCTwoLevelsBlockDiagonalCreate(), and PCTwoLevelsBlockDiagonal::PCTwoLevelsBlockDiagonalSetUp().

PC PCTwoLevelsBlockDiagonal::PCTwoLevelsBlockDiagonalContext::PC_amg_A11

inv(A11) is approximated with ILU

Definition at line 90 of file PCTwoLevelsBlockDiagonal.hpp.

Referenced by PCTwoLevelsBlockDiagonal::PCTwoLevelsBlockDiagonalSetUp().

PC PCTwoLevelsBlockDiagonal::PCTwoLevelsBlockDiagonalContext::PC_amg_A22_B1

inv(A22_B1) is approximated with ILU

Definition at line 91 of file PCTwoLevelsBlockDiagonal.hpp.

Referenced by PCTwoLevelsBlockDiagonal::PCTwoLevelsBlockDiagonalSetUp().

PC PCTwoLevelsBlockDiagonal::PCTwoLevelsBlockDiagonalContext::PC_amg_A22_B2

inv(A22_B2) is approximated by an AMG cycle. We compute it with HYPRE via a PC object

Definition at line 92 of file PCTwoLevelsBlockDiagonal.hpp.

Referenced by PCTwoLevelsBlockDiagonal::PCTwoLevelsBlockDiagonalSetUp().

Vec PCTwoLevelsBlockDiagonal::PCTwoLevelsBlockDiagonalContext::x1_subvector

Used to store the first half of the vector to be preconditioned

Definition at line 93 of file PCTwoLevelsBlockDiagonal.hpp.

Referenced by PCTwoLevelsBlockDiagonal::PCTwoLevelsBlockDiagonalCreate().

Vec PCTwoLevelsBlockDiagonal::PCTwoLevelsBlockDiagonalContext::x21_subvector

Used to store the tissue part of the second half of the vector to be preconditioned

Definition at line 94 of file PCTwoLevelsBlockDiagonal.hpp.

Referenced by PCTwoLevelsBlockDiagonal::PCTwoLevelsBlockDiagonalCreate().

Vec PCTwoLevelsBlockDiagonal::PCTwoLevelsBlockDiagonalContext::x22_subvector

Used to store the bath part of the second half of the vector to be preconditioned

Definition at line 95 of file PCTwoLevelsBlockDiagonal.hpp.

Referenced by PCTwoLevelsBlockDiagonal::PCTwoLevelsBlockDiagonalCreate().

Vec PCTwoLevelsBlockDiagonal::PCTwoLevelsBlockDiagonalContext::y1_subvector

Used to store the first half of the preconditioned vector

Definition at line 96 of file PCTwoLevelsBlockDiagonal.hpp.

Referenced by PCTwoLevelsBlockDiagonal::PCTwoLevelsBlockDiagonalCreate().

Vec PCTwoLevelsBlockDiagonal::PCTwoLevelsBlockDiagonalContext::y21_subvector

Used to store the tissue part of the second half of the preconditioned vector

Definition at line 97 of file PCTwoLevelsBlockDiagonal.hpp.

Referenced by PCTwoLevelsBlockDiagonal::PCTwoLevelsBlockDiagonalCreate().

Vec PCTwoLevelsBlockDiagonal::PCTwoLevelsBlockDiagonalContext::y22_subvector

Used to store the bath part second half of the preconditioned vector

Definition at line 98 of file PCTwoLevelsBlockDiagonal.hpp.

Referenced by PCTwoLevelsBlockDiagonal::PCTwoLevelsBlockDiagonalCreate().

VecScatter PCTwoLevelsBlockDiagonal::PCTwoLevelsBlockDiagonalContext::A11_scatter_ctx

Scattering context: gather x1 from x and scatter y1 back into y

Definition at line 99 of file PCTwoLevelsBlockDiagonal.hpp.

Referenced by PCTwoLevelsBlockDiagonal::PCTwoLevelsBlockDiagonalCreate().

VecScatter PCTwoLevelsBlockDiagonal::PCTwoLevelsBlockDiagonalContext::A22_B1_scatter_ctx

Scattering context: gather x21 from x and scatter y21 back into y

Definition at line 100 of file PCTwoLevelsBlockDiagonal.hpp.

Referenced by PCTwoLevelsBlockDiagonal::PCTwoLevelsBlockDiagonalCreate().

VecScatter PCTwoLevelsBlockDiagonal::PCTwoLevelsBlockDiagonalContext::A22_B2_scatter_ctx

Scattering context: gather x22 from x and scatter y22 back into y

Definition at line 101 of file PCTwoLevelsBlockDiagonal.hpp.

Referenced by PCTwoLevelsBlockDiagonal::PCTwoLevelsBlockDiagonalCreate().

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The documentation for this struct was generated from the following file:

• linalg/src/common/PCTwoLevelsBlockDiagonal.hpp