/[escript]/trunk/finley/src/CPPAdapter/SystemMatrixAdapter.cpp
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Contents of /trunk/finley/src/CPPAdapter/SystemMatrixAdapter.cpp

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Revision 3283 - (show annotations)
Mon Oct 18 22:39:28 2010 UTC (10 years, 4 months ago) by gross
File size: 14182 byte(s)
AMG reengineered, BUG is Smoother fixed.


1
2 /*******************************************************
3 *
4 * Copyright (c) 2003-2010 by University of Queensland
5 * Earth Systems Science Computational Center (ESSCC)
6 * http://www.uq.edu.au/esscc
7 *
8 * Primary Business: Queensland, Australia
9 * Licensed under the Open Software License version 3.0
10 * http://www.opensource.org/licenses/osl-3.0.php
11 *
12 *******************************************************/
13
14
15 #ifdef ESYS_MPI
16 #include <mpi.h>
17 #endif
18 #include "SystemMatrixAdapter.h"
19
20 using namespace std;
21
22 namespace finley {
23
24 struct null_deleter
25 {
26 void operator()(void const *ptr) const
27 {
28 }
29 };
30
31
32 SystemMatrixAdapter::SystemMatrixAdapter()
33 {
34 throw FinleyAdapterException("Error - Illegal to generate default SystemMatrixAdapter.");
35 }
36
37 SystemMatrixAdapter::SystemMatrixAdapter(Paso_SystemMatrix* system_matrix,
38 const int row_blocksize,
39 const escript::FunctionSpace& row_functionspace,
40 const int column_blocksize,
41 const escript::FunctionSpace& column_functionspace):
42 AbstractSystemMatrix(row_blocksize,row_functionspace,column_blocksize,column_functionspace)
43 {
44 m_system_matrix.reset(system_matrix,null_deleter());
45 }
46
47 SystemMatrixAdapter::~SystemMatrixAdapter()
48 {
49 if (m_system_matrix.unique()) {
50 Paso_SystemMatrix* mat=m_system_matrix.get();
51 Paso_SystemMatrix_free(mat);
52 }
53 }
54
55 Paso_SystemMatrix* SystemMatrixAdapter::getPaso_SystemMatrix() const
56 {
57 return m_system_matrix.get();
58 }
59
60 void SystemMatrixAdapter::ypAx(escript::Data& y,escript::Data& x) const
61 {
62 Paso_SystemMatrix* mat=getPaso_SystemMatrix();
63
64 if ( x.getDataPointSize() != getColumnBlockSize()) {
65 throw FinleyAdapterException("matrix vector product : column block size does not match the number of components in input.");
66 } else if (y.getDataPointSize() != getRowBlockSize()) {
67 throw FinleyAdapterException("matrix vector product : row block size does not match the number of components in output.");
68 } else if ( x.getFunctionSpace() != getColumnFunctionSpace()) {
69 throw FinleyAdapterException("matrix vector product : column function space and function space of input don't match.");
70 } else if (y.getFunctionSpace() != getRowFunctionSpace()) {
71 throw FinleyAdapterException("matrix vector product : row function space and function space of output don't match.");
72 }
73 x.expand();
74 y.expand();
75 x.requireWrite();
76 y.requireWrite();
77 double* x_dp=x.getSampleDataRW(0);
78 double* y_dp=y.getSampleDataRW(0);
79 Paso_SystemMatrix_MatrixVector(1., mat,x_dp, 1.,y_dp);
80 checkPasoError();
81 }
82
83 int SystemMatrixAdapter::mapOptionToPaso(const int option) {
84
85 switch (option) {
86 case ESCRIPT_DEFAULT:
87 return PASO_DEFAULT;
88 case ESCRIPT_DIRECT:
89 return PASO_DIRECT;
90 case ESCRIPT_CHOLEVSKY:
91 return PASO_CHOLEVSKY;
92 case ESCRIPT_PCG:
93 return PASO_PCG;
94 case ESCRIPT_CR:
95 return PASO_CR;
96 case ESCRIPT_CGS:
97 return PASO_CGS;
98 case ESCRIPT_BICGSTAB:
99 return PASO_BICGSTAB;
100 case ESCRIPT_ILU0:
101 return PASO_ILU0;
102 case ESCRIPT_ILUT:
103 return PASO_ILUT;
104 case ESCRIPT_JACOBI:
105 return PASO_JACOBI;
106 case ESCRIPT_GMRES:
107 return PASO_GMRES;
108 case ESCRIPT_PRES20:
109 return PASO_PRES20;
110 case ESCRIPT_LUMPING:
111 return PASO_LUMPING;
112 case ESCRIPT_NO_REORDERING:
113 return PASO_NO_REORDERING;
114 case ESCRIPT_MINIMUM_FILL_IN:
115 return PASO_MINIMUM_FILL_IN;
116 case ESCRIPT_NESTED_DISSECTION:
117 return PASO_NESTED_DISSECTION;
118 case ESCRIPT_MKL:
119 return PASO_MKL;
120 case ESCRIPT_UMFPACK:
121 return PASO_UMFPACK;
122 case ESCRIPT_ITERATIVE:
123 return PASO_ITERATIVE;
124 case ESCRIPT_PASO:
125 return PASO_PASO;
126 case ESCRIPT_AMG:
127 return PASO_AMG;
128 case ESCRIPT_AMLI:
129 return PASO_AMLI;
130 case ESCRIPT_REC_ILU:
131 return PASO_REC_ILU;
132 case ESCRIPT_TRILINOS:
133 return PASO_TRILINOS;
134 case ESCRIPT_NONLINEAR_GMRES:
135 return PASO_NONLINEAR_GMRES;
136 case ESCRIPT_TFQMR :
137 return PASO_TFQMR;
138 case ESCRIPT_MINRES:
139 return PASO_MINRES;
140 case ESCRIPT_GAUSS_SEIDEL:
141 return PASO_GAUSS_SEIDEL;
142 case ESCRIPT_RILU:
143 return PASO_RILU;
144 case ESCRIPT_DEFAULT_REORDERING:
145 return PASO_DEFAULT_REORDERING;
146 case ESCRIPT_SUPER_LU:
147 return PASO_SUPER_LU;
148 case ESCRIPT_PASTIX:
149 return PASO_PASTIX;
150 case ESCRIPT_YAIR_SHAPIRA_COARSENING:
151 return PASO_YAIR_SHAPIRA_COARSENING;
152 case ESCRIPT_RUGE_STUEBEN_COARSENING:
153 return PASO_RUGE_STUEBEN_COARSENING;
154 case ESCRIPT_STANDARD_COARSENING:
155 return PASO_STANDARD_COARSENING;
156 case ESCRIPT_AGGREGATION_COARSENING:
157 return PASO_AGGREGATION_COARSENING;
158 case ESCRIPT_NO_PRECONDITIONER:
159 return PASO_NO_PRECONDITIONER;
160 default:
161 stringstream temp;
162 temp << "Error - Cannot map option value "<< option << " onto Paso";
163 throw FinleyAdapterException(temp.str());
164 }
165 }
166
167 void finley::SystemMatrixAdapter::Print_Matrix_Info(const bool full=false) const
168 {
169 Paso_SystemMatrix* mat=m_system_matrix.get();
170 int first_row_index = mat->row_distribution->first_component[mat->mpi_info->rank];
171 int last_row_index = mat->row_distribution->first_component[mat->mpi_info->rank+1]-1;
172 int first_col_index = mat->col_distribution->first_component[mat->mpi_info->rank];
173 int last_col_index = mat->col_distribution->first_component[mat->mpi_info->rank+1]-1;
174
175 fprintf(stdout, "Print_Matrix_Info running on CPU %d of %d\n", mat->mpi_info->rank, mat->mpi_info->size);
176
177 switch (mat->type) {
178 case MATRIX_FORMAT_DEFAULT: fprintf(stdout, "\tMatrix type MATRIX_FORMAT_DEFAULT\n"); break;
179 case MATRIX_FORMAT_CSC: fprintf(stdout, "\tMatrix type MATRIX_FORMAT_CSC\n"); break;
180 case MATRIX_FORMAT_BLK1: fprintf(stdout, "\tMatrix type MATRIX_FORMAT_BLK1\n"); break;
181 case MATRIX_FORMAT_OFFSET1: fprintf(stdout, "\tMatrix type MATRIX_FORMAT_OFFSET1\n"); break;
182 case MATRIX_FORMAT_TRILINOS_CRS: fprintf(stdout, "\tMatrix type MATRIX_FORMAT_TRILINOS_CRS\n"); break;
183 default: fprintf(stdout, "\tMatrix type unknown\n"); break;
184 }
185
186 fprintf(stdout, "\trow indices run from %d to %d\n", first_row_index, last_row_index);
187 fprintf(stdout, "\tcol indices run from %d to %d\n", first_col_index, last_col_index);
188 fprintf(stdout, "\tmainBlock numRows %d\n", mat->mainBlock->numRows);
189 fprintf(stdout, "\tmainBlock numCols %d\n", mat->mainBlock->numCols);
190 fprintf(stdout, "\tmainBlock pattern numOutput %d\n", mat->mainBlock->pattern->numOutput);
191 fprintf(stdout, "\tcol_coupleBlock numRows %d\n", mat->col_coupleBlock->numRows);
192 fprintf(stdout, "\tcol_coupleBlock numCols %d\n", mat->col_coupleBlock->numCols);
193 fprintf(stdout, "\tcol_coupleBlock pattern numOutput %d\n", mat->col_coupleBlock->pattern->numOutput);
194 fprintf(stdout, "\trow_coupleBlock numRows %d\n", mat->row_coupleBlock->numRows);
195 fprintf(stdout, "\trow_coupleBlock numCols %d\n", mat->row_coupleBlock->numCols);
196 fprintf(stdout, "\trow_coupleBlock pattern numOutput %d\n", mat->row_coupleBlock->pattern->numOutput);
197 fprintf(stdout, "\trow_block_size %d\n", mat->row_block_size);
198 fprintf(stdout, "\tcol_block_size %d\n", mat->col_block_size);
199 fprintf(stdout, "\tblock_size %d\n", mat->block_size);
200 fprintf(stdout, "\tlogical_row_block_size %d\n", mat->logical_row_block_size);
201 fprintf(stdout, "\tlogical_col_block_size %d\n", mat->logical_col_block_size);
202
203 }
204
205 void SystemMatrixAdapter::setToSolution(escript::Data& out,escript::Data& in, boost::python::object& options) const
206 {
207 Paso_SystemMatrix* mat=getPaso_SystemMatrix();
208 Paso_Options paso_options;
209 options.attr("resetDiagnostics")();
210 escriptToPasoOptions(&paso_options,options);
211 if ( out.getDataPointSize() != getColumnBlockSize()) {
212 throw FinleyAdapterException("solve : column block size does not match the number of components of solution.");
213 } else if ( in.getDataPointSize() != getRowBlockSize()) {
214 throw FinleyAdapterException("solve : row block size does not match the number of components of right hand side.");
215 } else if ( out.getFunctionSpace() != getColumnFunctionSpace()) {
216 throw FinleyAdapterException("solve : column function space and function space of solution don't match.");
217 } else if (in.getFunctionSpace() != getRowFunctionSpace()) {
218 throw FinleyAdapterException("solve : row function space and function space of right hand side don't match.");
219 }
220 out.expand();
221 in.expand();
222 double* out_dp=out.getSampleDataRW(0);
223 double* in_dp=in.getSampleDataRW(0);
224 Paso_solve(mat,out_dp,in_dp,&paso_options);
225 pasoToEscriptOptions(&paso_options,options);
226 checkPasoError();
227 }
228
229 void SystemMatrixAdapter::nullifyRowsAndCols(escript::Data& row_q,escript::Data& col_q, const double mdv) const
230 {
231 Paso_SystemMatrix* mat = getPaso_SystemMatrix();
232 if ( col_q.getDataPointSize() != getColumnBlockSize()) {
233 throw FinleyAdapterException("nullifyRowsAndCols : column block size does not match the number of components of column mask.");
234 } else if ( row_q.getDataPointSize() != getRowBlockSize()) {
235 throw FinleyAdapterException("nullifyRowsAndCols : row block size does not match the number of components of row mask.");
236 } else if ( col_q.getFunctionSpace() != getColumnFunctionSpace()) {
237 throw FinleyAdapterException("nullifyRowsAndCols : column function space and function space of column mask don't match.");
238 } else if (row_q.getFunctionSpace() != getRowFunctionSpace()) {
239 throw FinleyAdapterException("nullifyRowsAndCols : row function space and function space of row mask don't match.");
240 }
241 row_q.expand();
242 col_q.expand();
243 row_q.requireWrite();
244 col_q.requireWrite();
245 double* row_q_dp=row_q.getSampleDataRW(0);
246 double* col_q_dp=col_q.getSampleDataRW(0);
247 Paso_SystemMatrix_nullifyRowsAndCols(mat,row_q_dp,col_q_dp, mdv);
248 checkPasoError();
249 }
250
251 void SystemMatrixAdapter::saveMM(const std::string& fileName) const
252 {
253 if( fileName.size() == 0 )
254 {
255 throw FinleyAdapterException("Null file name!");
256 }
257
258 char *fName = TMPMEMALLOC(fileName.size()+1,char);
259
260 strcpy(fName,fileName.c_str());
261 Paso_SystemMatrix* mat = getPaso_SystemMatrix();
262 Paso_SystemMatrix_saveMM(mat,fName);
263 checkPasoError();
264 TMPMEMFREE(fName);
265
266 }
267
268 void SystemMatrixAdapter::saveHB(const std::string& fileName) const
269 {
270 if( fileName.size() == 0 )
271 {
272 throw FinleyAdapterException("Null file name!");
273 }
274
275 char *fName = TMPMEMALLOC(fileName.size()+1,char);
276
277 strcpy(fName,fileName.c_str());
278 Paso_SystemMatrix* mat = getPaso_SystemMatrix();
279 Paso_SystemMatrix_saveHB(mat,fName);
280 checkPasoError();
281 TMPMEMFREE(fName);
282
283 }
284
285 void SystemMatrixAdapter::resetValues() const
286 {
287 Paso_SystemMatrix* mat = getPaso_SystemMatrix();
288 Paso_SystemMatrix_setValues(mat,0.);
289 Paso_solve_free(mat);
290 checkPasoError();
291 }
292
293 void SystemMatrixAdapter::pasoToEscriptOptions(const Paso_Options* paso_options,boost::python::object& options)
294 {
295 #define SET(__key__,__val__,__type__) options.attr("_updateDiagnostics")(__key__,(__type__)paso_options->__val__)
296 SET("num_iter", num_iter, int);
297 SET("num_level", num_level, int);
298 SET("num_inner_iter", num_inner_iter, int);
299 SET("time", time, double);
300 SET("set_up_time", set_up_time, double);
301 SET("net_time", net_time, double);
302 SET("residual_norm", residual_norm, double);
303 SET("converged",converged, bool);
304 SET("time_step_backtracking_used",time_step_backtracking_used, bool);
305 #undef SET
306 }
307 void SystemMatrixAdapter::escriptToPasoOptions(Paso_Options* paso_options, const boost::python::object& options)
308 {
309 #define EXTRACT(__key__,__val__,__type__) paso_options->__val__=boost::python::extract<__type__>(options.attr(__key__)())
310 #define EXTRACT_OPTION(__key__,__val__,__type__) paso_options->__val__=mapOptionToPaso(boost::python::extract<__type__>(options.attr(__key__)()))
311
312 Paso_Options_setDefaults(paso_options);
313 EXTRACT_OPTION("getSolverMethod",method,index_t);
314 EXTRACT_OPTION("getPackage",package,index_t);
315 EXTRACT("isVerbose",verbose,bool_t);
316 EXTRACT("isSymmetric",symmetric,bool_t);
317 EXTRACT("getTolerance",tolerance, double);
318 EXTRACT("getAbsoluteTolerance",absolute_tolerance, double);
319 EXTRACT("getInnerTolerance",inner_tolerance, double);
320 EXTRACT("adaptInnerTolerance",adapt_inner_tolerance, bool_t);
321 EXTRACT_OPTION("getReordering", reordering, index_t);
322 EXTRACT_OPTION("getPreconditioner", preconditioner, index_t);
323 EXTRACT("getIterMax", iter_max, dim_t);
324 EXTRACT("getInnerIterMax", inner_iter_max, dim_t);
325 EXTRACT("getDropTolerance", drop_tolerance, double);
326 EXTRACT("getDropStorage", drop_storage, double);
327 EXTRACT("getTruncation", truncation, dim_t);
328 EXTRACT("_getRestartForC", restart, index_t);
329 EXTRACT("getNumSweeps", sweeps, index_t);
330 EXTRACT("getNumPreSweeps", pre_sweeps, dim_t);
331 EXTRACT("getNumPostSweeps", post_sweeps, dim_t);
332 EXTRACT("getLevelMax", level_max, dim_t);
333 EXTRACT("getMinCoarseMatrixSize", min_coarse_matrix_size, dim_t);
334 EXTRACT("getCoarseningThreshold", coarsening_threshold, double);
335 EXTRACT("acceptConvergenceFailure", accept_failed_convergence, bool_t);
336 EXTRACT_OPTION("getCoarsening", coarsening_method, index_t);
337 EXTRACT_OPTION("getSmoother", smoother, index_t);
338 EXTRACT("getRelaxationFactor", relaxation_factor, double);
339 EXTRACT("useLocalPreconditioner", use_local_preconditioner, bool_t);
340 EXTRACT("getMinCoarseMatrixSparsity",min_coarse_sparsity, double);
341 EXTRACT("getNumRefinements",refinements, dim_t);
342 EXTRACT("getNumCoarseMatrixRefinements",coarse_matrix_refinements, dim_t);
343
344 #undef EXTRACT
345 #undef EXTRACT_OPTION
346 }
347
348
349 } // end of namespace

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