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par_mgr.c
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par_mgr.c
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/******************************************************************************
* Copyright (c) 1998 Lawrence Livermore National Security, LLC and other
* HYPRE Project Developers. See the top-level COPYRIGHT file for details.
*
* SPDX-License-Identifier: (Apache-2.0 OR MIT)
******************************************************************************/
/******************************************************************************
*
* Two-grid system solver
*
*****************************************************************************/
#include "_hypre_parcsr_ls.h"
#include "par_amg.h"
#include "par_mgr.h"
#include "_hypre_blas.h"
#include "_hypre_lapack.h"
//#ifdef HYPRE_USING_DSUPERLU
//#include "dsuperlu.h"
//#endif
/* Need to define these hypre_lapack protos here instead of including _hypre_lapack.h to avoid conflicts with
* dsuperlu.h on some lapack functions. Alternative is to move superLU related functions to a separate file.
*/
/* dgetrf.c */
//HYPRE_Int hypre_dgetrf ( HYPRE_Int *m, HYPRE_Int *n, HYPRE_Real *a, HYPRE_Int *lda, HYPRE_Int *ipiv,
// HYPRE_Int *info );
/* dgetri.c */
//HYPRE_Int hypre_dgetri ( HYPRE_Int *n, HYPRE_Real *a, HYPRE_Int *lda, HYPRE_Int *ipiv,
// HYPRE_Real *work, HYPRE_Int *lwork, HYPRE_Int *info);
/* Create */
void *
hypre_MGRCreate(void)
{
hypre_ParMGRData *mgr_data;
mgr_data = hypre_CTAlloc(hypre_ParMGRData, 1, HYPRE_MEMORY_HOST);
/* block data */
(mgr_data -> block_size) = 1;
(mgr_data -> block_num_coarse_indexes) = NULL;
(mgr_data -> point_marker_array) = NULL;
(mgr_data -> block_cf_marker) = NULL;
/* general data */
(mgr_data -> max_num_coarse_levels) = 10;
(mgr_data -> A_array) = NULL;
(mgr_data -> B_array) = NULL;
(mgr_data -> B_FF_array) = NULL;
#if defined(HYPRE_USING_GPU)
(mgr_data -> P_FF_array) = NULL;
#endif
(mgr_data -> P_array) = NULL;
(mgr_data -> R_array) = NULL;
(mgr_data -> RT_array) = NULL;
(mgr_data -> RAP) = NULL;
(mgr_data -> CF_marker_array) = NULL;
(mgr_data -> coarse_indices_lvls) = NULL;
(mgr_data -> A_ff_array) = NULL;
(mgr_data -> F_fine_array) = NULL;
(mgr_data -> U_fine_array) = NULL;
(mgr_data -> aff_solver) = NULL;
(mgr_data -> fine_grid_solver_setup) = NULL;
(mgr_data -> fine_grid_solver_solve) = NULL;
(mgr_data -> F_array) = NULL;
(mgr_data -> U_array) = NULL;
(mgr_data -> residual) = NULL;
(mgr_data -> rel_res_norms) = NULL;
(mgr_data -> Vtemp) = NULL;
(mgr_data -> Ztemp) = NULL;
(mgr_data -> Utemp) = NULL;
(mgr_data -> Ftemp) = NULL;
(mgr_data -> num_iterations) = 0;
(mgr_data -> num_interp_sweeps) = 1;
(mgr_data -> num_restrict_sweeps) = 1;
(mgr_data -> trunc_factor) = 0.0;
(mgr_data -> max_row_sum) = 0.9;
(mgr_data -> strong_threshold) = 0.25;
(mgr_data -> P_max_elmts) = NULL;
(mgr_data -> coarse_grid_solver) = NULL;
(mgr_data -> coarse_grid_solver_setup) = NULL;
(mgr_data -> coarse_grid_solver_solve) = NULL;
//(mgr_data -> global_smoother) = NULL;
(mgr_data -> use_default_cgrid_solver) = 1;
(mgr_data -> fsolver_mode) = -1; // user or hypre -prescribed F-solver
(mgr_data -> omega) = 1.;
(mgr_data -> max_iter) = 20;
(mgr_data -> tol) = 1.0e-6;
(mgr_data -> relax_type) = 0;
(mgr_data -> Frelax_type) = NULL;
(mgr_data -> relax_order) = 1; // not fully utilized. Only used to compute L1-norms.
(mgr_data -> num_relax_sweeps) = NULL;
(mgr_data -> relax_weight) = 1.0;
(mgr_data -> interp_type) = NULL;
(mgr_data -> restrict_type) = NULL;
(mgr_data -> level_smooth_iters) = NULL;
(mgr_data -> level_smooth_type) = NULL;
(mgr_data -> level_smoother) = NULL;
(mgr_data -> global_smooth_cycle) = 1; // Pre = 1 or Post = 2 global smoothing
(mgr_data -> logging) = 0;
(mgr_data -> print_level) = 0;
(mgr_data -> frelax_print_level) = 0;
(mgr_data -> cg_print_level) = 0;
(mgr_data -> data_path) = NULL;
(mgr_data -> l1_norms) = NULL;
(mgr_data -> reserved_coarse_size) = 0;
(mgr_data -> reserved_coarse_indexes) = NULL;
(mgr_data -> reserved_Cpoint_local_indexes) = NULL;
(mgr_data -> level_diaginv) = NULL;
(mgr_data -> frelax_diaginv) = NULL;
//(mgr_data -> global_smooth_iters) = 1;
//(mgr_data -> global_smooth_type) = 0;
(mgr_data -> set_non_Cpoints_to_F) = 0;
(mgr_data -> idx_array) = NULL;
(mgr_data -> Frelax_method) = NULL;
(mgr_data -> VcycleRelaxVtemp) = NULL;
(mgr_data -> VcycleRelaxZtemp) = NULL;
(mgr_data -> FrelaxVcycleData) = NULL;
(mgr_data -> Frelax_num_functions) = NULL;
(mgr_data -> max_local_lvls) = 10;
(mgr_data -> mgr_coarse_grid_method) = NULL;
(mgr_data -> print_coarse_system) = 0;
(mgr_data -> set_c_points_method) = 0;
(mgr_data -> lvl_to_keep_cpoints) = 0;
(mgr_data -> cg_convergence_factor) = 0.0;
(mgr_data -> block_jacobi_bsize) = 0;
(mgr_data -> blk_size) = NULL;
(mgr_data -> truncate_coarse_grid_threshold) = 0.0;
(mgr_data -> GSElimData) = NULL;
return (void *) mgr_data;
}
/*--------------------------------------------------------------------------
*--------------------------------------------------------------------------*/
/* Destroy */
HYPRE_Int
hypre_MGRDestroy( void *data )
{
hypre_ParMGRData *mgr_data = (hypre_ParMGRData*) data;
hypre_Solver *aff_base;
HYPRE_Int i;
HYPRE_Int num_coarse_levels = (mgr_data -> num_coarse_levels);
/* block info data */
if ((mgr_data -> block_cf_marker))
{
for (i = 0; i < (mgr_data -> max_num_coarse_levels); i++)
{
hypre_TFree((mgr_data -> block_cf_marker)[i], HYPRE_MEMORY_HOST);
}
hypre_TFree((mgr_data -> block_cf_marker), HYPRE_MEMORY_HOST);
}
hypre_TFree(mgr_data -> block_num_coarse_indexes, HYPRE_MEMORY_HOST);
/* final residual vector */
if ((mgr_data -> residual))
{
hypre_ParVectorDestroy( (mgr_data -> residual) );
(mgr_data -> residual) = NULL;
}
hypre_TFree( (mgr_data -> rel_res_norms), HYPRE_MEMORY_HOST);
/* temp vectors for solve phase */
if ((mgr_data -> Vtemp))
{
hypre_ParVectorDestroy( (mgr_data -> Vtemp) );
(mgr_data -> Vtemp) = NULL;
}
if ((mgr_data -> Ztemp))
{
hypre_ParVectorDestroy( (mgr_data -> Ztemp) );
(mgr_data -> Ztemp) = NULL;
}
if ((mgr_data -> Utemp))
{
hypre_ParVectorDestroy( (mgr_data -> Utemp) );
(mgr_data -> Utemp) = NULL;
}
if ((mgr_data -> Ftemp))
{
hypre_ParVectorDestroy( (mgr_data -> Ftemp) );
(mgr_data -> Ftemp) = NULL;
}
/* coarse grid solver */
if ((mgr_data -> use_default_cgrid_solver))
{
if ((mgr_data -> coarse_grid_solver))
{
hypre_BoomerAMGDestroy( (mgr_data -> coarse_grid_solver) );
}
(mgr_data -> coarse_grid_solver) = NULL;
}
/* l1_norms */
if ((mgr_data -> l1_norms))
{
for (i = 0; i < (num_coarse_levels); i++)
{
hypre_SeqVectorDestroy((mgr_data -> l1_norms)[i]);
}
hypre_TFree((mgr_data -> l1_norms), HYPRE_MEMORY_HOST);
}
/* coarse_indices_lvls */
if ((mgr_data -> coarse_indices_lvls))
{
for (i = 0; i < (num_coarse_levels); i++)
{
hypre_TFree((mgr_data -> coarse_indices_lvls)[i], HYPRE_MEMORY_HOST);
}
hypre_TFree((mgr_data -> coarse_indices_lvls), HYPRE_MEMORY_HOST);
}
/* linear system and cf marker array */
if (mgr_data -> A_array || mgr_data -> P_array ||
mgr_data -> RT_array || mgr_data -> R_array ||
mgr_data -> CF_marker_array)
{
for (i = 1; i < num_coarse_levels + 1; i++)
{
hypre_ParVectorDestroy((mgr_data -> F_array)[i]);
hypre_ParVectorDestroy((mgr_data -> U_array)[i]);
if ((mgr_data -> P_array)[i - 1])
{
hypre_ParCSRMatrixDestroy((mgr_data -> P_array)[i - 1]);
}
if ((mgr_data -> R_array)[i - 1])
{
hypre_ParCSRMatrixDestroy((mgr_data -> R_array)[i - 1]);
}
if ((mgr_data -> RT_array)[i - 1])
{
hypre_ParCSRMatrixDestroy((mgr_data -> RT_array)[i - 1]);
}
hypre_IntArrayDestroy(mgr_data -> CF_marker_array[i - 1]);
}
for (i = 1; i < (num_coarse_levels); i++)
{
if ((mgr_data -> A_array)[i])
{
hypre_ParCSRMatrixDestroy((mgr_data -> A_array)[i]);
}
}
}
/* Block relaxation/interpolation matrices */
if (hypre_ParMGRDataBArray(mgr_data))
{
for (i = 0; i < num_coarse_levels; i++)
{
hypre_ParCSRMatrixDestroy(hypre_ParMGRDataB(mgr_data, i));
}
}
if (hypre_ParMGRDataBFFArray(mgr_data))
{
for (i = 0; i < num_coarse_levels; i++)
{
hypre_ParCSRMatrixDestroy(hypre_ParMGRDataBFF(mgr_data, i));
}
}
#if defined(HYPRE_USING_GPU)
if (mgr_data -> P_FF_array)
{
for (i = 0; i < num_coarse_levels; i++)
{
if ((mgr_data -> P_array)[i])
{
hypre_ParCSRMatrixDestroy((mgr_data -> P_FF_array)[i]);
}
}
//hypre_TFree(P_FF_array, hypre_HandleMemoryLocation(hypre_handle()));
hypre_TFree((mgr_data -> P_FF_array), HYPRE_MEMORY_HOST);
(mgr_data -> P_FF_array) = NULL;
}
#endif
/* AMG for Frelax */
if (mgr_data -> A_ff_array || mgr_data -> F_fine_array || mgr_data -> U_fine_array)
{
for (i = 1; i < num_coarse_levels + 1; i++)
{
if (mgr_data -> F_fine_array[i])
{
hypre_ParVectorDestroy((mgr_data -> F_fine_array)[i]);
}
if (mgr_data -> U_fine_array[i])
{
hypre_ParVectorDestroy((mgr_data -> U_fine_array)[i]);
}
}
for (i = 1; i < (num_coarse_levels); i++)
{
if ((mgr_data -> A_ff_array)[i])
{
hypre_ParCSRMatrixDestroy((mgr_data -> A_ff_array)[i]);
}
}
if (mgr_data -> fsolver_mode != 0)
{
if ((mgr_data -> A_ff_array)[0])
{
hypre_ParCSRMatrixDestroy((mgr_data -> A_ff_array)[0]);
}
}
hypre_TFree(mgr_data -> F_fine_array, HYPRE_MEMORY_HOST);
(mgr_data -> F_fine_array) = NULL;
hypre_TFree(mgr_data -> U_fine_array, HYPRE_MEMORY_HOST);
(mgr_data -> U_fine_array) = NULL;
hypre_TFree(mgr_data -> A_ff_array, HYPRE_MEMORY_HOST);
(mgr_data -> A_ff_array) = NULL;
}
if (mgr_data -> aff_solver)
{
for (i = 1; i < (num_coarse_levels); i++)
{
if ((mgr_data -> aff_solver)[i])
{
aff_base = (hypre_Solver*) (mgr_data -> aff_solver)[i];
hypre_SolverDestroy(aff_base)((HYPRE_Solver) (aff_base));
}
}
if (mgr_data -> fsolver_mode == 2)
{
hypre_BoomerAMGDestroy((mgr_data -> aff_solver)[0]);
}
hypre_TFree(mgr_data -> aff_solver, HYPRE_MEMORY_HOST);
(mgr_data -> aff_solver) = NULL;
}
if (mgr_data -> level_diaginv)
{
for (i = 0; i < (num_coarse_levels); i++)
{
hypre_TFree((mgr_data -> level_diaginv)[i], HYPRE_MEMORY_HOST);
}
hypre_TFree(mgr_data -> level_diaginv, HYPRE_MEMORY_HOST);
}
if (mgr_data -> frelax_diaginv)
{
for (i = 0; i < (num_coarse_levels); i++)
{
hypre_TFree((mgr_data -> frelax_diaginv)[i], HYPRE_MEMORY_HOST);
}
hypre_TFree(mgr_data -> frelax_diaginv, HYPRE_MEMORY_HOST);
}
hypre_TFree((mgr_data -> F_array), HYPRE_MEMORY_HOST);
hypre_TFree((mgr_data -> U_array), HYPRE_MEMORY_HOST);
hypre_TFree((mgr_data -> A_array), HYPRE_MEMORY_HOST);
hypre_TFree((mgr_data -> B_array), HYPRE_MEMORY_HOST);
hypre_TFree((mgr_data -> B_FF_array), HYPRE_MEMORY_HOST);
hypre_TFree((mgr_data -> P_array), HYPRE_MEMORY_HOST);
hypre_TFree((mgr_data -> R_array), HYPRE_MEMORY_HOST);
hypre_TFree((mgr_data -> RT_array), HYPRE_MEMORY_HOST);
hypre_TFree((mgr_data -> CF_marker_array), HYPRE_MEMORY_HOST);
hypre_TFree((mgr_data -> reserved_Cpoint_local_indexes), HYPRE_MEMORY_HOST);
hypre_TFree((mgr_data -> restrict_type), HYPRE_MEMORY_HOST);
hypre_TFree((mgr_data -> interp_type), HYPRE_MEMORY_HOST);
hypre_TFree((mgr_data -> P_max_elmts), HYPRE_MEMORY_HOST);
/* Frelax_type */
hypre_TFree(mgr_data -> Frelax_type, HYPRE_MEMORY_HOST);
/* Frelax_method */
hypre_TFree(mgr_data -> Frelax_method, HYPRE_MEMORY_HOST);
/* Frelax_num_functions */
hypre_TFree(mgr_data -> Frelax_num_functions, HYPRE_MEMORY_HOST);
/* data for V-cycle F-relaxation */
if ((mgr_data -> VcycleRelaxVtemp))
{
hypre_ParVectorDestroy( (mgr_data -> VcycleRelaxVtemp) );
(mgr_data -> VcycleRelaxVtemp) = NULL;
}
if ((mgr_data -> VcycleRelaxZtemp))
{
hypre_ParVectorDestroy( (mgr_data -> VcycleRelaxZtemp) );
(mgr_data -> VcycleRelaxZtemp) = NULL;
}
if (mgr_data -> FrelaxVcycleData)
{
for (i = 0; i < num_coarse_levels; i++)
{
hypre_MGRDestroyFrelaxVcycleData((mgr_data -> FrelaxVcycleData)[i]);
}
hypre_TFree(mgr_data -> FrelaxVcycleData, HYPRE_MEMORY_HOST);
}
/* data for reserved coarse nodes */
hypre_TFree(mgr_data -> reserved_coarse_indexes, HYPRE_MEMORY_HOST);
/* index array for setting Cpoints by global block */
if ((mgr_data -> set_c_points_method) == 1)
{
hypre_TFree(mgr_data -> idx_array, HYPRE_MEMORY_HOST);
}
/* array for setting option to use non-Galerkin coarse grid */
hypre_TFree(mgr_data -> mgr_coarse_grid_method, HYPRE_MEMORY_HOST);
/* coarse level matrix - RAP */
if ((mgr_data -> RAP))
{
hypre_ParCSRMatrixDestroy((mgr_data -> RAP));
}
if ((mgr_data -> level_smoother) != NULL)
{
for (i = 0; i < num_coarse_levels; i++)
{
if ((mgr_data -> level_smooth_iters)[i] > 0)
{
if ((mgr_data -> level_smooth_type)[i] == 8)
{
HYPRE_EuclidDestroy((mgr_data -> level_smoother)[i]);
}
else if ((mgr_data -> level_smooth_type)[i] == 16)
{
HYPRE_ILUDestroy((mgr_data -> level_smoother)[i]);
}
else if ((mgr_data -> level_smoother)[i])
{
hypre_Solver *smoother_base = (hypre_Solver*) (mgr_data -> level_smoother)[i];
hypre_SolverDestroy(smoother_base)((mgr_data -> level_smoother)[i]);
}
}
}
hypre_TFree(mgr_data -> level_smoother, HYPRE_MEMORY_HOST);
}
/* free level data */
hypre_TFree(mgr_data -> blk_size, HYPRE_MEMORY_HOST);
hypre_TFree(mgr_data -> level_smooth_type, HYPRE_MEMORY_HOST);
hypre_TFree(mgr_data -> level_smooth_iters, HYPRE_MEMORY_HOST);
hypre_TFree(mgr_data -> num_relax_sweeps, HYPRE_MEMORY_HOST);
if (mgr_data -> GSElimData)
{
for (i = 0; i < num_coarse_levels; i++)
{
if ((mgr_data -> GSElimData)[i])
{
hypre_MGRDestroyGSElimData((mgr_data -> GSElimData)[i]);
(mgr_data -> GSElimData)[i] = NULL;
}
}
hypre_TFree(mgr_data -> GSElimData, HYPRE_MEMORY_HOST);
}
/* Free the data path filename */
hypre_TFree(mgr_data -> data_path, HYPRE_MEMORY_HOST);
/* mgr data */
hypre_TFree(mgr_data, HYPRE_MEMORY_HOST);
return hypre_error_flag;
}
/*--------------------------------------------------------------------------
* hypre_MGRCreateGSElimData
*
* Create data for Gaussian Elimination for F-relaxation.
*--------------------------------------------------------------------------*/
void *
hypre_MGRCreateGSElimData( void )
{
hypre_ParAMGData *gsdata = hypre_CTAlloc(hypre_ParAMGData, 1, HYPRE_MEMORY_HOST);
hypre_ParAMGDataGSSetup(gsdata) = 0;
hypre_ParAMGDataGEMemoryLocation(gsdata) = HYPRE_MEMORY_UNDEFINED;
hypre_ParAMGDataNewComm(gsdata) = hypre_MPI_COMM_NULL;
hypre_ParAMGDataCommInfo(gsdata) = NULL;
hypre_ParAMGDataAMat(gsdata) = NULL;
hypre_ParAMGDataAWork(gsdata) = NULL;
hypre_ParAMGDataAPiv(gsdata) = NULL;
hypre_ParAMGDataBVec(gsdata) = NULL;
hypre_ParAMGDataUVec(gsdata) = NULL;
return (void *) gsdata;
}
/*--------------------------------------------------------------------------
* hypre_MGRDestroyGSElimData
*
* Destroy data for Gaussian Elimination for F-relaxation.
*--------------------------------------------------------------------------*/
HYPRE_Int
hypre_MGRDestroyGSElimData( void *data )
{
hypre_ParAMGData *gsdata = (hypre_ParAMGData*) data;
MPI_Comm new_comm = hypre_ParAMGDataNewComm(gsdata);
#if defined(HYPRE_USING_MAGMA)
hypre_TFree(hypre_ParAMGDataAPiv(gsdata), HYPRE_MEMORY_HOST);
#else
hypre_TFree(hypre_ParAMGDataAPiv(gsdata), hypre_ParAMGDataGEMemoryLocation(gsdata));
#endif
hypre_TFree(hypre_ParAMGDataAMat(gsdata), hypre_ParAMGDataGEMemoryLocation(gsdata));
hypre_TFree(hypre_ParAMGDataAWork(gsdata), hypre_ParAMGDataGEMemoryLocation(gsdata));
hypre_TFree(hypre_ParAMGDataBVec(gsdata), hypre_ParAMGDataGEMemoryLocation(gsdata));
hypre_TFree(hypre_ParAMGDataUVec(gsdata), hypre_ParAMGDataGEMemoryLocation(gsdata));
hypre_TFree(hypre_ParAMGDataCommInfo(gsdata), HYPRE_MEMORY_HOST);
if (new_comm != hypre_MPI_COMM_NULL)
{
hypre_MPI_Comm_free(&new_comm);
}
hypre_TFree(gsdata, HYPRE_MEMORY_HOST);
return hypre_error_flag;
}
/* Create data for V-cycle F-relaxtion */
void *
hypre_MGRCreateFrelaxVcycleData( void )
{
hypre_ParAMGData *vdata = hypre_CTAlloc(hypre_ParAMGData, 1, HYPRE_MEMORY_HOST);
hypre_ParAMGDataAArray(vdata) = NULL;
hypre_ParAMGDataPArray(vdata) = NULL;
hypre_ParAMGDataFArray(vdata) = NULL;
hypre_ParAMGDataCFMarkerArray(vdata) = NULL;
hypre_ParAMGDataVtemp(vdata) = NULL;
// hypre_ParAMGDataAMat(vdata) = NULL;
// hypre_ParAMGDataBVec(vdata) = NULL;
hypre_ParAMGDataZtemp(vdata) = NULL;
// hypre_ParAMGDataCommInfo(vdata) = NULL;
hypre_ParAMGDataUArray(vdata) = NULL;
hypre_ParAMGDataNewComm(vdata) = hypre_MPI_COMM_NULL;
hypre_ParAMGDataNumLevels(vdata) = 0;
hypre_ParAMGDataMaxLevels(vdata) = 10;
hypre_ParAMGDataNumFunctions(vdata) = 1;
hypre_ParAMGDataSCommPkgSwitch(vdata) = 1.0;
hypre_ParAMGDataRelaxOrder(vdata) = 1;
hypre_ParAMGDataMaxCoarseSize(vdata) = 9;
hypre_ParAMGDataMinCoarseSize(vdata) = 0;
hypre_ParAMGDataUserCoarseRelaxType(vdata) = 9;
/* Gaussian Elim data */
hypre_ParAMGDataGSSetup(vdata) = 0;
hypre_ParAMGDataAMat(vdata) = NULL;
hypre_ParAMGDataAWork(vdata) = NULL;
hypre_ParAMGDataBVec(vdata) = NULL;
hypre_ParAMGDataCommInfo(vdata) = NULL;
return (void *) vdata;
}
/* Destroy data for V-cycle F-relaxation */
HYPRE_Int
hypre_MGRDestroyFrelaxVcycleData( void *data )
{
hypre_ParAMGData * vdata = (hypre_ParAMGData*) data;
HYPRE_Int i;
HYPRE_Int num_levels = hypre_ParAMGDataNumLevels(vdata);
MPI_Comm new_comm = hypre_ParAMGDataNewComm(vdata);
hypre_TFree(hypre_ParAMGDataDofFuncArray(vdata)[0], HYPRE_MEMORY_HOST);
for (i = 1; i < num_levels + 1; i++)
{
if (hypre_ParAMGDataAArray(vdata)[i])
{
hypre_ParCSRMatrixDestroy(hypre_ParAMGDataAArray(vdata)[i]);
}
if (hypre_ParAMGDataPArray(vdata)[i - 1])
{
hypre_ParCSRMatrixDestroy(hypre_ParAMGDataPArray(vdata)[i - 1]);
}
hypre_IntArrayDestroy(hypre_ParAMGDataCFMarkerArray(vdata)[i - 1]);
hypre_ParVectorDestroy(hypre_ParAMGDataFArray(vdata)[i]);
hypre_ParVectorDestroy(hypre_ParAMGDataUArray(vdata)[i]);
hypre_TFree(hypre_ParAMGDataDofFuncArray(vdata)[i], HYPRE_MEMORY_HOST);
}
if (num_levels < 1)
{
hypre_IntArrayDestroy(hypre_ParAMGDataCFMarkerArray(vdata)[0]);
}
/* Points to VcycleRelaxVtemp of mgr_data, which is already destroyed */
//hypre_ParVectorDestroy(hypre_ParAMGDataVtemp(vdata));
hypre_TFree(hypre_ParAMGDataFArray(vdata), HYPRE_MEMORY_HOST);
hypre_TFree(hypre_ParAMGDataUArray(vdata), HYPRE_MEMORY_HOST);
hypre_TFree(hypre_ParAMGDataAArray(vdata), HYPRE_MEMORY_HOST);
hypre_TFree(hypre_ParAMGDataPArray(vdata), HYPRE_MEMORY_HOST);
hypre_TFree(hypre_ParAMGDataCFMarkerArray(vdata), HYPRE_MEMORY_HOST);
//hypre_TFree(hypre_ParAMGDataGridRelaxType(vdata), HYPRE_MEMORY_HOST);
hypre_TFree(hypre_ParAMGDataDofFuncArray(vdata), HYPRE_MEMORY_HOST);
/* Points to VcycleRelaxZtemp of mgr_data, which is already destroyed */
/*
if (hypre_ParAMGDataZtemp(vdata))
hypre_ParVectorDestroy(hypre_ParAMGDataZtemp(vdata));
*/
#if defined(HYPRE_USING_MAGMA)
hypre_TFree(hypre_ParAMGDataAPiv(vdata), HYPRE_MEMORY_HOST);
#else
hypre_TFree(hypre_ParAMGDataAPiv(vdata), hypre_ParAMGDataGEMemoryLocation(vdata));
#endif
hypre_TFree(hypre_ParAMGDataAMat(vdata), hypre_ParAMGDataGEMemoryLocation(vdata));
hypre_TFree(hypre_ParAMGDataAWork(vdata), hypre_ParAMGDataGEMemoryLocation(vdata));
hypre_TFree(hypre_ParAMGDataBVec(vdata), hypre_ParAMGDataGEMemoryLocation(vdata));
hypre_TFree(hypre_ParAMGDataUVec(vdata), hypre_ParAMGDataGEMemoryLocation(vdata));
hypre_TFree(hypre_ParAMGDataCommInfo(vdata), HYPRE_MEMORY_HOST);
if (new_comm != hypre_MPI_COMM_NULL)
{
hypre_MPI_Comm_free (&new_comm);
}
hypre_TFree(vdata, HYPRE_MEMORY_HOST);
return hypre_error_flag;
}
/* Set C-point variables for each reduction level */
/* Currently not implemented */
HYPRE_Int
hypre_MGRSetReductionLevelCpoints( void *mgr_vdata,
HYPRE_Int nlevels,
HYPRE_Int *num_coarse_points,
HYPRE_Int **level_coarse_indexes)
{
hypre_ParMGRData *mgr_data = (hypre_ParMGRData*) mgr_vdata;
(mgr_data -> num_coarse_levels) = nlevels;
(mgr_data -> num_coarse_per_level) = num_coarse_points;
(mgr_data -> level_coarse_indexes) = level_coarse_indexes;
return hypre_error_flag;
}
/* Initialize some data */
/* Set whether non-coarse points on each level should be explicitly tagged as F-points */
HYPRE_Int
hypre_MGRSetNonCpointsToFpoints( void *mgr_vdata, HYPRE_Int nonCptToFptFlag)
{
hypre_ParMGRData *mgr_data = (hypre_ParMGRData*) mgr_vdata;
(mgr_data -> set_non_Cpoints_to_F) = nonCptToFptFlag;
return hypre_error_flag;
}
/* Set whether the reserved C points are reduced before the coarse grid solve */
HYPRE_Int
hypre_MGRSetReservedCpointsLevelToKeep(void *mgr_vdata, HYPRE_Int level)
{
hypre_ParMGRData *mgr_data = (hypre_ParMGRData*) mgr_vdata;
(mgr_data -> lvl_to_keep_cpoints) = level;
return hypre_error_flag;
}
/* Set Cpoints by contiguous blocks, i.e. p1, p2, ..., pn, s1, s2, ..., sn, ... */
HYPRE_Int
hypre_MGRSetCpointsByContiguousBlock( void *mgr_vdata,
HYPRE_Int block_size,
HYPRE_Int max_num_levels,
HYPRE_BigInt *begin_idx_array,
HYPRE_Int *block_num_coarse_points,
HYPRE_Int **block_coarse_indexes)
{
hypre_ParMGRData *mgr_data = (hypre_ParMGRData*) mgr_vdata;
HYPRE_Int i;
if ((mgr_data -> idx_array) != NULL)
{
hypre_TFree(mgr_data -> idx_array, HYPRE_MEMORY_HOST);
(mgr_data -> idx_array) = NULL;
}
HYPRE_BigInt *index_array = hypre_CTAlloc(HYPRE_BigInt, block_size, HYPRE_MEMORY_HOST);
if (begin_idx_array != NULL)
{
for (i = 0; i < block_size; i++)
{
index_array[i] = *(begin_idx_array + i);
}
}
hypre_MGRSetCpointsByBlock(mgr_data, block_size, max_num_levels, block_num_coarse_points,
block_coarse_indexes);
(mgr_data -> idx_array) = index_array;
(mgr_data -> set_c_points_method) = 1;
return hypre_error_flag;
}
/* Initialize/ set local block data information */
HYPRE_Int
hypre_MGRSetCpointsByBlock( void *mgr_vdata,
HYPRE_Int block_size,
HYPRE_Int max_num_levels,
HYPRE_Int *block_num_coarse_points,
HYPRE_Int **block_coarse_indexes)
{
HYPRE_Int i, j;
HYPRE_Int **block_cf_marker = NULL;
HYPRE_Int *block_num_coarse_indexes = NULL;
hypre_ParMGRData *mgr_data = (hypre_ParMGRData*) mgr_vdata;
/* free block cf_marker data if not previously destroyed */
if ((mgr_data -> block_cf_marker) != NULL)
{
for (i = 0; i < (mgr_data -> max_num_coarse_levels); i++)
{
if ((mgr_data -> block_cf_marker)[i])
{
hypre_TFree((mgr_data -> block_cf_marker)[i], HYPRE_MEMORY_HOST);
(mgr_data -> block_cf_marker)[i] = NULL;
}
}
hypre_TFree(mgr_data -> block_cf_marker, HYPRE_MEMORY_HOST);
(mgr_data -> block_cf_marker) = NULL;
}
if ((mgr_data -> block_num_coarse_indexes))
{
hypre_TFree((mgr_data -> block_num_coarse_indexes), HYPRE_MEMORY_HOST);
(mgr_data -> block_num_coarse_indexes) = NULL;
}
/* store block cf_marker */
block_cf_marker = hypre_CTAlloc(HYPRE_Int *, max_num_levels, HYPRE_MEMORY_HOST);
for (i = 0; i < max_num_levels; i++)
{
block_cf_marker[i] = hypre_CTAlloc(HYPRE_Int, block_size, HYPRE_MEMORY_HOST);
memset(block_cf_marker[i], FMRK, block_size * sizeof(HYPRE_Int));
}
for (i = 0; i < max_num_levels; i++)
{
for (j = 0; j < block_num_coarse_points[i]; j++)
{
(block_cf_marker[i])[block_coarse_indexes[i][j]] = CMRK;
}
}
/* store block_num_coarse_points */
if (max_num_levels > 0)
{
block_num_coarse_indexes = hypre_CTAlloc(HYPRE_Int, max_num_levels, HYPRE_MEMORY_HOST);
for (i = 0; i < max_num_levels; i++)
{
block_num_coarse_indexes[i] = block_num_coarse_points[i];
}
}
/* set block data */
(mgr_data -> max_num_coarse_levels) = max_num_levels;
(mgr_data -> block_size) = block_size;
(mgr_data -> block_num_coarse_indexes) = block_num_coarse_indexes;
(mgr_data -> block_cf_marker) = block_cf_marker;
(mgr_data -> set_c_points_method) = 0;
return hypre_error_flag;
}
HYPRE_Int
hypre_MGRSetCpointsByPointMarkerArray( void *mgr_vdata,
HYPRE_Int block_size,
HYPRE_Int max_num_levels,
HYPRE_Int *lvl_num_coarse_points,
HYPRE_Int **lvl_coarse_indexes,
HYPRE_Int *point_marker_array)
{
hypre_ParMGRData *mgr_data = (hypre_ParMGRData*) mgr_vdata;
HYPRE_Int i, j;
HYPRE_Int **block_cf_marker = NULL;
HYPRE_Int *block_num_coarse_indexes = NULL;
/* free block cf_marker data if not previously destroyed */
if ((mgr_data -> block_cf_marker) != NULL)
{
for (i = 0; i < (mgr_data -> max_num_coarse_levels); i++)
{
if ((mgr_data -> block_cf_marker)[i])
{
hypre_TFree((mgr_data -> block_cf_marker)[i], HYPRE_MEMORY_HOST);
(mgr_data -> block_cf_marker)[i] = NULL;
}
}
hypre_TFree(mgr_data -> block_cf_marker, HYPRE_MEMORY_HOST);
(mgr_data -> block_cf_marker) = NULL;
}
if ((mgr_data -> block_num_coarse_indexes))
{
hypre_TFree((mgr_data -> block_num_coarse_indexes), HYPRE_MEMORY_HOST);
(mgr_data -> block_num_coarse_indexes) = NULL;
}
/* store block cf_marker */
block_cf_marker = hypre_CTAlloc(HYPRE_Int *, max_num_levels, HYPRE_MEMORY_HOST);
for (i = 0; i < max_num_levels; i++)
{
block_cf_marker[i] = hypre_CTAlloc(HYPRE_Int, block_size, HYPRE_MEMORY_HOST);
memset(block_cf_marker[i], FMRK, block_size * sizeof(HYPRE_Int));
}
for (i = 0; i < max_num_levels; i++)
{
for (j = 0; j < lvl_num_coarse_points[i]; j++)
{
block_cf_marker[i][j] = lvl_coarse_indexes[i][j];
}
}
/* store block_num_coarse_points */
if (max_num_levels > 0)
{
block_num_coarse_indexes = hypre_CTAlloc(HYPRE_Int, max_num_levels, HYPRE_MEMORY_HOST);
for (i = 0; i < max_num_levels; i++)
{
block_num_coarse_indexes[i] = lvl_num_coarse_points[i];
}
}
/* set block data */
(mgr_data -> max_num_coarse_levels) = max_num_levels;
(mgr_data -> block_size) = block_size;
(mgr_data -> block_num_coarse_indexes) = block_num_coarse_indexes;
(mgr_data -> block_cf_marker) = block_cf_marker;
(mgr_data -> point_marker_array) = point_marker_array;
(mgr_data -> set_c_points_method) = 2;
return hypre_error_flag;
}
/*Set number of points that remain part of the coarse grid throughout the hierarchy */
HYPRE_Int
hypre_MGRSetReservedCoarseNodes(void *mgr_vdata,
HYPRE_Int reserved_coarse_size,
HYPRE_BigInt *reserved_cpt_index)
{
hypre_ParMGRData *mgr_data = (hypre_ParMGRData*) mgr_vdata;
HYPRE_BigInt *reserved_coarse_indexes = NULL;
HYPRE_Int i;
if (!mgr_data)
{
hypre_error_w_msg(HYPRE_ERROR_GENERIC, "Warning! MGR object empty!\n");
return hypre_error_flag;
}
if (reserved_coarse_size < 0)
{
hypre_error_in_arg(2);
return hypre_error_flag;
}
/* free data not previously destroyed */
if ((mgr_data -> reserved_coarse_indexes))
{
hypre_TFree((mgr_data -> reserved_coarse_indexes), HYPRE_MEMORY_HOST);
(mgr_data -> reserved_coarse_indexes) = NULL;
}
/* set reserved coarse nodes */
if (reserved_coarse_size > 0)
{
reserved_coarse_indexes = hypre_CTAlloc(HYPRE_BigInt, reserved_coarse_size, HYPRE_MEMORY_HOST);
for (i = 0; i < reserved_coarse_size; i++)
{
reserved_coarse_indexes[i] = reserved_cpt_index[i];
}
}
(mgr_data -> reserved_coarse_size) = reserved_coarse_size;
(mgr_data -> reserved_coarse_indexes) = reserved_coarse_indexes;
return hypre_error_flag;
}
/* Set CF marker array */
HYPRE_Int
hypre_MGRCoarsen(hypre_ParCSRMatrix *S,
hypre_ParCSRMatrix *A,
HYPRE_Int fixed_coarse_size,
HYPRE_Int *fixed_coarse_indexes,
HYPRE_Int debug_flag,
hypre_IntArray **CF_marker_ptr,
HYPRE_Int cflag)
{
HYPRE_Int *CF_marker = NULL;
HYPRE_Int *cindexes = fixed_coarse_indexes;
HYPRE_Int i, row, nc;
HYPRE_Int nloc = hypre_ParCSRMatrixNumRows(A);
HYPRE_MemoryLocation memory_location;
/* If this is the last level, coarsen onto fixed coarse set */
if (cflag)
{
if (*CF_marker_ptr != NULL)
{
hypre_IntArrayDestroy(*CF_marker_ptr);
}
*CF_marker_ptr = hypre_IntArrayCreate(nloc);
hypre_IntArrayInitialize(*CF_marker_ptr);
hypre_IntArraySetConstantValues(*CF_marker_ptr, FMRK);
memory_location = hypre_IntArrayMemoryLocation(*CF_marker_ptr);
if (hypre_GetActualMemLocation(memory_location) == hypre_MEMORY_DEVICE)
{
hypre_IntArrayMigrate(*CF_marker_ptr, HYPRE_MEMORY_HOST);
}
CF_marker = hypre_IntArrayData(*CF_marker_ptr);
/* first mark fixed coarse set */
nc = fixed_coarse_size;
for (i = 0; i < nc; i++)
{
CF_marker[cindexes[i]] = CMRK;
}
if (hypre_GetActualMemLocation(memory_location) == hypre_MEMORY_DEVICE)
{
hypre_IntArrayMigrate(*CF_marker_ptr, HYPRE_MEMORY_DEVICE);
}
}
else
{
/* First coarsen to get initial CF splitting.
* This is then followed by updating the CF marker to pass
* coarse information to the next levels. NOTE: It may be
* convenient to implement this way (allows the use of multiple
* coarsening strategies without changing too much code),
* but not necessarily the best option, compared to initializing
* CF_marker first and then coarsening on subgraph which excludes
* the initialized coarse nodes.
*/
hypre_BoomerAMGCoarsen(S, A, 0, debug_flag, CF_marker_ptr);
CF_marker = hypre_IntArrayData(*CF_marker_ptr);
/* Update CF_marker to correct Cpoints marked as Fpoints. */
nc = fixed_coarse_size;
for (i = 0; i < nc; i++)
{
CF_marker[cindexes[i]] = CMRK;
}
/* set F-points to FMRK. This is necessary since the different coarsening schemes differentiate
* between type of F-points (example Ruge coarsening). We do not need that distinction here.
*/
for (row = 0; row < nloc; row++)
{
if (CF_marker[row] == CMRK) { continue; }
CF_marker[row] = FMRK;
}
#if 0
/* IMPORTANT: Update coarse_indexes array to define the positions of the fixed coarse points
* in the next level.
*/
nc = 0;
index_i = 0;
for (row = 0; row < nloc; row++)
{
/* loop through new c-points */
if (CF_marker[row] == CMRK) { nc++; }
else if (CF_marker[row] == S_CMRK)
{
/* previously marked c-point is part of fixed coarse set. Track its current local index */
cindexes[index_i++] = nc;
/* reset c-point from S_CMRK to CMRK */
cf_marker[row] = CMRK;
nc++;
}
/* set F-points to FMRK. This is necessary since the different coarsening schemes differentiate
* between type of F-points (example Ruge coarsening). We do not need that distinction here.
*/
else
{
CF_marker[row] = FMRK;
}
}
/* check if this should be last level */
if ( nc == fixed_coarse_size)
{
last_level = 1;
}
//printf(" nc = %d and fixed coarse size = %d \n", nc, fixed_coarse_size);
#endif
}