ViennaCL - The Vienna Computing Library  1.7.1
Free open-source GPU-accelerated linear algebra and solver library.
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amg_operations.hpp File Reference

Implementations of routines for AMG in OpenCL. More...

#include <cstdlib>
#include <cmath>
#include <map>
#include "viennacl/linalg/detail/amg/amg_base.hpp"
#include "viennacl/linalg/opencl/common.hpp"
#include "viennacl/linalg/opencl/kernels/amg.hpp"

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.
 
 viennacl::linalg::opencl::amg
 

Functions

template<typename NumericT >
void viennacl::linalg::opencl::amg::amg_influence_trivial (compressed_matrix< NumericT > const &A, viennacl::linalg::detail::amg::amg_level_context &amg_context, viennacl::linalg::amg_tag &tag)
 Routine for taking all connections in the matrix as strong. More...
 
template<typename NumericT >
void viennacl::linalg::opencl::amg::amg_influence_advanced (compressed_matrix< NumericT > const &A, viennacl::linalg::detail::amg::amg_level_context &amg_context, viennacl::linalg::amg_tag &tag)
 Routine for extracting strongly connected points considering a user-provided threshold value. More...
 
template<typename NumericT >
void viennacl::linalg::opencl::amg::amg_influence (compressed_matrix< NumericT > const &A, viennacl::linalg::detail::amg::amg_level_context &amg_context, viennacl::linalg::amg_tag &tag)
 Dispatcher for influence processing. More...
 
void viennacl::linalg::opencl::amg::enumerate_coarse_points (viennacl::linalg::detail::amg::amg_level_context &amg_context)
 Assign IDs to coarse points. More...
 
template<typename NumericT >
void viennacl::linalg::opencl::amg::amg_coarse_ag_stage1_mis2 (compressed_matrix< NumericT > const &A, viennacl::linalg::detail::amg::amg_level_context &amg_context, viennacl::linalg::amg_tag &tag)
 AG (aggregation based) coarsening, single-threaded version of stage 1. More...
 
template<typename NumericT >
void viennacl::linalg::opencl::amg::amg_coarse_ag (compressed_matrix< NumericT > const &A, viennacl::linalg::detail::amg::amg_level_context &amg_context, viennacl::linalg::amg_tag &tag)
 AG (aggregation based) coarsening. Partially single-threaded version (VIENNACL_AMG_COARSE_AG) More...
 
template<typename InternalT1 >
void viennacl::linalg::opencl::amg::amg_coarse (InternalT1 &A, viennacl::linalg::detail::amg::amg_level_context &amg_context, viennacl::linalg::amg_tag &tag)
 Calls the right coarsening procedure. More...
 
template<typename NumericT >
void viennacl::linalg::opencl::amg::amg_interpol_ag (compressed_matrix< NumericT > const &A, compressed_matrix< NumericT > &P, viennacl::linalg::detail::amg::amg_level_context &amg_context, viennacl::linalg::amg_tag &tag)
 AG (aggregation based) interpolation. Multi-Threaded! (VIENNACL_INTERPOL_SA) More...
 
template<typename NumericT >
void viennacl::linalg::opencl::amg::amg_interpol_sa (compressed_matrix< NumericT > const &A, compressed_matrix< NumericT > &P, viennacl::linalg::detail::amg::amg_level_context &amg_context, viennacl::linalg::amg_tag &tag)
 Smoothed aggregation interpolation. (VIENNACL_INTERPOL_SA) More...
 
template<typename MatrixT >
void viennacl::linalg::opencl::amg::amg_interpol (MatrixT const &A, MatrixT &P, viennacl::linalg::detail::amg::amg_level_context &amg_context, viennacl::linalg::amg_tag &tag)
 Dispatcher for building the interpolation matrix. More...
 
template<typename NumericT , unsigned int AlignmentV>
void viennacl::linalg::opencl::amg::assign_to_dense (viennacl::compressed_matrix< NumericT, AlignmentV > const &A, viennacl::matrix_base< NumericT > &B)
 
template<typename NumericT >
void viennacl::linalg::opencl::amg::smooth_jacobi (unsigned int iterations, compressed_matrix< NumericT > const &A, vector< NumericT > &x, vector< NumericT > &x_backup, vector< NumericT > const &rhs_smooth, NumericT weight)
 Jacobi Smoother (OpenCL version) More...
 

Detailed Description

Implementations of routines for AMG in OpenCL.

Definition in file amg_operations.hpp.