ViennaCL - The Vienna Computing Library  1.7.0
Free open-source GPU-accelerated linear algebra and solver library.
ilu_operations.hpp File Reference

Implementations of specialized routines for the Chow-Patel parallel ILU preconditioner using OpenCL. More...

Go to the source code of this file.

Namespaces

 viennacl
 Main namespace in ViennaCL. Holds all the basic types such as vector, matrix, etc. and defines operations upon them.
 
 viennacl::linalg
 Provides all linear algebra operations which are not covered by operator overloads.
 
 viennacl::linalg::opencl
 Holds all routines providing OpenCL linear algebra operations.
 

Functions

template<typename NumericT >
void viennacl::linalg::opencl::extract_L (compressed_matrix< NumericT > const &A, compressed_matrix< NumericT > &L)
 
template<typename NumericT >
void viennacl::linalg::opencl::icc_scale (compressed_matrix< NumericT > const &A, compressed_matrix< NumericT > &L)
 Scales the values extracted from A such that A' = DAD has unit diagonal. Updates values from A in L and U accordingly. More...
 
template<typename NumericT >
void viennacl::linalg::opencl::icc_chow_patel_sweep (compressed_matrix< NumericT > &L, vector< NumericT > const &aij_L)
 Performs one nonlinear relaxation step in the Chow-Patel-ILU using OpenMP (cf. Algorithm 2 in paper) More...
 
template<typename NumericT >
void viennacl::linalg::opencl::extract_LU (compressed_matrix< NumericT > const &A, compressed_matrix< NumericT > &L, compressed_matrix< NumericT > &U)
 
template<typename NumericT >
void viennacl::linalg::opencl::ilu_scale (compressed_matrix< NumericT > const &A, compressed_matrix< NumericT > &L, compressed_matrix< NumericT > &U)
 Scales the values extracted from A such that A' = DAD has unit diagonal. Updates values from A in L and U accordingly. More...
 
template<typename NumericT >
void viennacl::linalg::opencl::ilu_chow_patel_sweep (compressed_matrix< NumericT > &L, vector< NumericT > const &aij_L, compressed_matrix< NumericT > &U_trans, vector< NumericT > const &aij_U_trans)
 Performs one nonlinear relaxation step in the Chow-Patel-ILU using OpenMP (cf. Algorithm 2 in paper) More...
 
template<typename NumericT >
void viennacl::linalg::opencl::ilu_form_neumann_matrix (compressed_matrix< NumericT > &R, vector< NumericT > &diag_R)
 

Detailed Description

Implementations of specialized routines for the Chow-Patel parallel ILU preconditioner using OpenCL.

Definition in file ilu_operations.hpp.