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root/OpenMD/trunk/src/brains/SimCreator.cpp
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Comparing trunk/src/brains/SimCreator.cpp (file contents):
Revision 403 by gezelter, Tue Mar 8 21:06:49 2005 UTC vs.
Revision 1390 by gezelter, Wed Nov 25 20:02:06 2009 UTC

# Line 6 | Line 6
6   * redistribute this software in source and binary code form, provided
7   * that the following conditions are met:
8   *
9 < * 1. Acknowledgement of the program authors must be made in any
10 < *    publication of scientific results based in part on use of the
11 < *    program.  An acceptable form of acknowledgement is citation of
12 < *    the article in which the program was described (Matthew
13 < *    A. Meineke, Charles F. Vardeman II, Teng Lin, Christopher
14 < *    J. Fennell and J. Daniel Gezelter, "OOPSE: An Object-Oriented
15 < *    Parallel Simulation Engine for Molecular Dynamics,"
16 < *    J. Comput. Chem. 26, pp. 252-271 (2005))
17 < *
18 < * 2. Redistributions of source code must retain the above copyright
9 > * 1. Redistributions of source code must retain the above copyright
10   *    notice, this list of conditions and the following disclaimer.
11   *
12 < * 3. Redistributions in binary form must reproduce the above copyright
12 > * 2. Redistributions in binary form must reproduce the above copyright
13   *    notice, this list of conditions and the following disclaimer in the
14   *    documentation and/or other materials provided with the
15   *    distribution.
# Line 37 | Line 28
28   * arising out of the use of or inability to use software, even if the
29   * University of Notre Dame has been advised of the possibility of
30   * such damages.
31 + *
32 + * SUPPORT OPEN SCIENCE!  If you use OpenMD or its source code in your
33 + * research, please cite the appropriate papers when you publish your
34 + * work.  Good starting points are:
35 + *                                                                      
36 + * [1]  Meineke, et al., J. Comp. Chem. 26, 252-271 (2005).            
37 + * [2]  Fennell & Gezelter, J. Chem. Phys. 124, 234104 (2006).          
38 + * [3]  Sun, Lin & Gezelter, J. Chem. Phys. 128, 24107 (2008).          
39 + * [4]  Vardeman & Gezelter, in progress (2009).                        
40   */
41  
42   /**
# Line 46 | Line 46
46   * @time 13:51am
47   * @version 1.0
48   */
49 + #include <exception>
50 + #include <iostream>
51 + #include <sstream>
52 + #include <string>
53  
54   #include "brains/MoleculeCreator.hpp"
55   #include "brains/SimCreator.hpp"
56   #include "brains/SimSnapshotManager.hpp"
57   #include "io/DumpReader.hpp"
54 #include "io/parse_me.h"
58   #include "UseTheForce/ForceFieldFactory.hpp"
59   #include "utils/simError.h"
60   #include "utils/StringUtils.hpp"
61   #include "math/SeqRandNumGen.hpp"
62 + #include "mdParser/MDLexer.hpp"
63 + #include "mdParser/MDParser.hpp"
64 + #include "mdParser/MDTreeParser.hpp"
65 + #include "mdParser/SimplePreprocessor.hpp"
66 + #include "antlr/ANTLRException.hpp"
67 + #include "antlr/TokenStreamRecognitionException.hpp"
68 + #include "antlr/TokenStreamIOException.hpp"
69 + #include "antlr/TokenStreamException.hpp"
70 + #include "antlr/RecognitionException.hpp"
71 + #include "antlr/CharStreamException.hpp"
72 +
73 + #include "antlr/MismatchedCharException.hpp"
74 + #include "antlr/MismatchedTokenException.hpp"
75 + #include "antlr/NoViableAltForCharException.hpp"
76 + #include "antlr/NoViableAltException.hpp"
77 +
78   #ifdef IS_MPI
60 #include "io/mpiBASS.h"
79   #include "math/ParallelRandNumGen.hpp"
80   #endif
81  
82 < namespace oopse {
82 > namespace OpenMD {
83 >  
84 >  Globals* SimCreator::parseFile(std::istream& rawMetaDataStream, const std::string& filename, int startOfMetaDataBlock ){
85 >    Globals* simParams = NULL;
86 >    try {
87  
88 <  void SimCreator::parseFile(const std::string mdFileName,  MakeStamps* stamps, Globals* simParams){
88 >      // Create a preprocessor that preprocesses md file into an ostringstream
89 >      std::stringstream ppStream;
90 > #ifdef IS_MPI            
91 >      int streamSize;
92 >      const int masterNode = 0;
93 >      int commStatus;
94 >      if (worldRank == masterNode) {
95 > #endif
96 >                
97 >        SimplePreprocessor preprocessor;
98 >        preprocessor.preprocess(rawMetaDataStream, filename, startOfMetaDataBlock, ppStream);
99 >                
100 > #ifdef IS_MPI            
101 >        //brocasting the stream size
102 >        streamSize = ppStream.str().size() +1;
103 >        commStatus = MPI_Bcast(&streamSize, 1, MPI_LONG, masterNode, MPI_COMM_WORLD);                  
104  
105 < #ifdef IS_MPI
105 >        commStatus = MPI_Bcast(static_cast<void*>(const_cast<char*>(ppStream.str().c_str())), streamSize, MPI_CHAR, masterNode, MPI_COMM_WORLD);
106 >            
107 >                
108 >      } else {
109 >        //get stream size
110 >        commStatus = MPI_Bcast(&streamSize, 1, MPI_LONG, masterNode, MPI_COMM_WORLD);  
111  
112 <    if (worldRank == 0) {
113 < #endif // is_mpi
112 >        char* buf = new char[streamSize];
113 >        assert(buf);
114 >                
115 >        //receive file content
116 >        commStatus = MPI_Bcast(buf, streamSize, MPI_CHAR, masterNode, MPI_COMM_WORLD);
117 >                
118 >        ppStream.str(buf);
119 >        delete [] buf;
120  
121 <      simParams->initalize();
122 <      set_interface_stamps(stamps, simParams);
121 >      }
122 > #endif            
123 >      // Create a scanner that reads from the input stream
124 >      MDLexer lexer(ppStream);
125 >      lexer.setFilename(filename);
126 >      lexer.initDeferredLineCount();
127 >    
128 >      // Create a parser that reads from the scanner
129 >      MDParser parser(lexer);
130 >      parser.setFilename(filename);
131  
132 < #ifdef IS_MPI
132 >      // Create an observer that synchorizes file name change
133 >      FilenameObserver observer;
134 >      observer.setLexer(&lexer);
135 >      observer.setParser(&parser);
136 >      lexer.setObserver(&observer);
137 >    
138 >      antlr::ASTFactory factory;
139 >      parser.initializeASTFactory(factory);
140 >      parser.setASTFactory(&factory);
141 >      parser.mdfile();
142  
143 <      mpiEventInit();
143 >      // Create a tree parser that reads information into Globals
144 >      MDTreeParser treeParser;
145 >      treeParser.initializeASTFactory(factory);
146 >      treeParser.setASTFactory(&factory);
147 >      simParams = treeParser.walkTree(parser.getAST());
148 >    }
149  
150 < #endif
150 >      
151 >    catch(antlr::MismatchedCharException& e) {
152 >      sprintf(painCave.errMsg,
153 >              "parser exception: %s %s:%d:%d\n",
154 >              e.getMessage().c_str(),e.getFilename().c_str(), e.getLine(), e.getColumn());
155 >      painCave.isFatal = 1;
156 >      simError();          
157 >    }
158 >    catch(antlr::MismatchedTokenException &e) {
159 >      sprintf(painCave.errMsg,
160 >              "parser exception: %s %s:%d:%d\n",
161 >              e.getMessage().c_str(),e.getFilename().c_str(), e.getLine(), e.getColumn());
162 >      painCave.isFatal = 1;
163 >      simError();  
164 >    }
165 >    catch(antlr::NoViableAltForCharException &e) {
166 >      sprintf(painCave.errMsg,
167 >              "parser exception: %s %s:%d:%d\n",
168 >              e.getMessage().c_str(),e.getFilename().c_str(), e.getLine(), e.getColumn());
169 >      painCave.isFatal = 1;
170 >      simError();  
171 >    }
172 >    catch(antlr::NoViableAltException &e) {
173 >      sprintf(painCave.errMsg,
174 >              "parser exception: %s %s:%d:%d\n",
175 >              e.getMessage().c_str(),e.getFilename().c_str(), e.getLine(), e.getColumn());
176 >      painCave.isFatal = 1;
177 >      simError();  
178 >    }
179 >      
180 >    catch(antlr::TokenStreamRecognitionException& e) {
181 >      sprintf(painCave.errMsg,
182 >              "parser exception: %s %s:%d:%d\n",
183 >              e.getMessage().c_str(),e.getFilename().c_str(), e.getLine(), e.getColumn());
184 >      painCave.isFatal = 1;
185 >      simError();  
186 >    }
187 >        
188 >    catch(antlr::TokenStreamIOException& e) {
189 >      sprintf(painCave.errMsg,
190 >              "parser exception: %s\n",
191 >              e.getMessage().c_str());
192 >      painCave.isFatal = 1;
193 >      simError();
194 >    }
195 >        
196 >    catch(antlr::TokenStreamException& e) {
197 >      sprintf(painCave.errMsg,
198 >              "parser exception: %s\n",
199 >              e.getMessage().c_str());
200 >      painCave.isFatal = 1;
201 >      simError();
202 >    }        
203 >    catch (antlr::RecognitionException& e) {
204 >      sprintf(painCave.errMsg,
205 >              "parser exception: %s %s:%d:%d\n",
206 >              e.getMessage().c_str(),e.getFilename().c_str(), e.getLine(), e.getColumn());
207 >      painCave.isFatal = 1;
208 >      simError();          
209 >    }
210 >    catch (antlr::CharStreamException& e) {
211 >      sprintf(painCave.errMsg,
212 >              "parser exception: %s\n",
213 >              e.getMessage().c_str());
214 >      painCave.isFatal = 1;
215 >      simError();        
216 >    }
217 >    catch (OpenMDException& e) {
218 >      sprintf(painCave.errMsg,
219 >              "%s\n",
220 >              e.getMessage().c_str());
221 >      painCave.isFatal = 1;
222 >      simError();
223 >    }
224 >    catch (std::exception& e) {
225 >      sprintf(painCave.errMsg,
226 >              "parser exception: %s\n",
227 >              e.what());
228 >      painCave.isFatal = 1;
229 >      simError();
230 >    }
231  
232 <      yacc_BASS(mdFileName.c_str());
232 >    return simParams;
233 >  }
234 >  
235 >  SimInfo*  SimCreator::createSim(const std::string & mdFileName,
236 >                                  bool loadInitCoords) {
237  
238 < #ifdef IS_MPI
238 >    const int bufferSize = 65535;
239 >    char buffer[bufferSize];
240 >    int lineNo = 0;
241 >    std::string mdRawData;
242 >    int metaDataBlockStart = -1;
243 >    int metaDataBlockEnd = -1;
244 >    int i;
245 >    int mdOffset;
246  
247 <      throwMPIEvent(NULL);
248 <    } else {
249 <      set_interface_stamps(stamps, simParams);
250 <      mpiEventInit();
90 <      MPIcheckPoint();
91 <      mpiEventLoop();
92 <    }
247 > #ifdef IS_MPI            
248 >    const int masterNode = 0;
249 >    if (worldRank == masterNode) {
250 > #endif
251  
252 < #endif
252 >      std::ifstream mdFile_(mdFileName.c_str());
253 >      
254 >      if (mdFile_.fail()) {
255 >        sprintf(painCave.errMsg,
256 >                "SimCreator: Cannot open file: %s\n",
257 >                mdFileName.c_str());
258 >        painCave.isFatal = 1;
259 >        simError();
260 >      }
261  
262 <  }
262 >      mdFile_.getline(buffer, bufferSize);
263 >      ++lineNo;
264 >      std::string line = trimLeftCopy(buffer);
265 >      i = CaseInsensitiveFind(line, "<OpenMD");
266 >      if (static_cast<size_t>(i) == string::npos) {
267 >        // try the older file strings to see if that works:
268 >        i = CaseInsensitiveFind(line, "<OOPSE");
269 >      }
270 >      
271 >      if (static_cast<size_t>(i) == string::npos) {
272 >        // still no luck!
273 >        sprintf(painCave.errMsg,
274 >                "SimCreator: File: %s is not a valid OpenMD file!\n",
275 >                mdFileName.c_str());
276 >        painCave.isFatal = 1;
277 >        simError();
278 >      }
279  
280 <  SimInfo*  SimCreator::createSim(const std::string & mdFileName, bool loadInitCoords) {
281 <    
282 <    MakeStamps * stamps = new MakeStamps();
280 >      //scan through the input stream and find MetaData tag        
281 >      while(mdFile_.getline(buffer, bufferSize)) {
282 >        ++lineNo;
283 >        
284 >        std::string line = trimLeftCopy(buffer);
285 >        if (metaDataBlockStart == -1) {
286 >          i = CaseInsensitiveFind(line, "<MetaData>");
287 >          if (i != string::npos) {
288 >            metaDataBlockStart = lineNo;
289 >            mdOffset = mdFile_.tellg();
290 >          }
291 >        } else {
292 >          i = CaseInsensitiveFind(line, "</MetaData>");
293 >          if (i != string::npos) {
294 >            metaDataBlockEnd = lineNo;
295 >          }
296 >        }
297 >      }
298  
299 <    Globals * simParams = new Globals();
299 >      if (metaDataBlockStart == -1) {
300 >        sprintf(painCave.errMsg,
301 >                "SimCreator: File: %s did not contain a <MetaData> tag!\n",
302 >                mdFileName.c_str());
303 >        painCave.isFatal = 1;
304 >        simError();
305 >      }
306 >      if (metaDataBlockEnd == -1) {
307 >        sprintf(painCave.errMsg,
308 >                "SimCreator: File: %s did not contain a closed MetaData block!\n",
309 >                mdFileName.c_str());
310 >        painCave.isFatal = 1;
311 >        simError();
312 >      }
313 >        
314 >      mdFile_.clear();
315 >      mdFile_.seekg(0);
316 >      mdFile_.seekg(mdOffset);
317  
318 <    //parse meta-data file
105 <    parseFile(mdFileName, stamps, simParams);
318 >      mdRawData.clear();
319  
320 <    //create the force field
321 <    ForceField * ff = ForceFieldFactory::getInstance()->createForceField(
322 <                                                                         simParams->getForceField());
320 >      for (int i = 0; i < metaDataBlockEnd - metaDataBlockStart - 1; ++i) {
321 >        mdFile_.getline(buffer, bufferSize);
322 >        mdRawData += buffer;
323 >        mdRawData += "\n";
324 >      }
325 >
326 >      mdFile_.close();
327 >
328 > #ifdef IS_MPI
329 >    }
330 > #endif
331 >
332 >    std::stringstream rawMetaDataStream(mdRawData);
333 >
334 >    //parse meta-data file
335 >    Globals* simParams = parseFile(rawMetaDataStream, mdFileName, metaDataBlockStart+1);
336      
337 +    //create the force field
338 +    ForceField * ff = ForceFieldFactory::getInstance()->createForceField(simParams->getForceField());
339 +
340      if (ff == NULL) {
341 <      sprintf(painCave.errMsg, "ForceField Factory can not create %s force field\n",
342 <              simParams->getForceField());
341 >      sprintf(painCave.errMsg,
342 >              "ForceField Factory can not create %s force field\n",
343 >              simParams->getForceField().c_str());
344        painCave.isFatal = 1;
345        simError();
346      }
347 <
347 >    
348      if (simParams->haveForceFieldFileName()) {
349        ff->setForceFieldFileName(simParams->getForceFieldFileName());
350      }
351      
352      std::string forcefieldFileName;
353      forcefieldFileName = ff->getForceFieldFileName();
354 <
354 >    
355      if (simParams->haveForceFieldVariant()) {
356        //If the force field has variant, the variant force field name will be
357        //Base.variant.frc. For exampel EAM.u6.frc
358 <        
358 >      
359        std::string variant = simParams->getForceFieldVariant();
360 <
360 >      
361        std::string::size_type pos = forcefieldFileName.rfind(".frc");
362        variant = "." + variant;
363        if (pos != std::string::npos) {
# Line 139 | Line 369 | namespace oopse {
369      }
370      
371      ff->parse(forcefieldFileName);
372 <    
143 <    //extract the molecule stamps
144 <    std::vector < std::pair<MoleculeStamp *, int> > moleculeStampPairs;
145 <    compList(stamps, simParams, moleculeStampPairs);
146 <
372 >    ff->setFortranForceOptions();
373      //create SimInfo
374 <    SimInfo * info = new SimInfo(moleculeStampPairs, ff, simParams);
374 >    SimInfo * info = new SimInfo(ff, simParams);
375  
376 <    //gather parameters (SimCreator only retrieves part of the parameters)
376 >    info->setRawMetaData(mdRawData);
377 >    
378 >    //gather parameters (SimCreator only retrieves part of the
379 >    //parameters)
380      gatherParameters(info, mdFileName);
381 <
381 >    
382      //divide the molecules and determine the global index of molecules
383   #ifdef IS_MPI
384      divideMolecules(info);
385   #endif
386 <
386 >    
387      //create the molecules
388      createMolecules(info);
389 <
390 <
391 <    //allocate memory for DataStorage(circular reference, need to break it)
389 >    
390 >    
391 >    //allocate memory for DataStorage(circular reference, need to
392 >    //break it)
393      info->setSnapshotManager(new SimSnapshotManager(info));
394      
395 <    //set the global index of atoms, rigidbodies and cutoffgroups (only need to be set once, the
396 <    //global index will never change again). Local indices of atoms and rigidbodies are already set by
397 <    //MoleculeCreator class which actually delegates the responsibility to LocalIndexManager.
395 >    //set the global index of atoms, rigidbodies and cutoffgroups
396 >    //(only need to be set once, the global index will never change
397 >    //again). Local indices of atoms and rigidbodies are already set
398 >    //by MoleculeCreator class which actually delegates the
399 >    //responsibility to LocalIndexManager.
400      setGlobalIndex(info);
401 <
402 <    //Alought addExculdePairs is called inside SimInfo's addMolecule method, at that point
403 <    //atoms don't have the global index yet  (their global index are all initialized to -1).
404 <    //Therefore we have to call addExcludePairs explicitly here. A way to work around is that
405 <    //we can determine the beginning global indices of atoms before they get created.
401 >    
402 >    //Although addInteractionPairs is called inside SimInfo's addMolecule
403 >    //method, at that point atoms don't have the global index yet
404 >    //(their global index are all initialized to -1).  Therefore we
405 >    //have to call addInteractionPairs explicitly here. A way to work
406 >    //around is that we can determine the beginning global indices of
407 >    //atoms before they get created.
408      SimInfo::MoleculeIterator mi;
409      Molecule* mol;
410      for (mol= info->beginMolecule(mi); mol != NULL; mol = info->nextMolecule(mi)) {
411 <      info->addExcludePairs(mol);
411 >      info->addInteractionPairs(mol);
412      }
413      
180
181    //load initial coordinates, some extra information are pushed into SimInfo's property map ( such as
182    //eta, chi for NPT integrator)
414      if (loadInitCoords)
415 <      loadCoordinates(info);    
415 >      loadCoordinates(info, mdFileName);    
416      
417      return info;
418    }
419 <
419 >  
420    void SimCreator::gatherParameters(SimInfo *info, const std::string& mdfile) {
421 <
422 <    //figure out the ouput file names
421 >    
422 >    //figure out the output file names
423      std::string prefix;
424 <
424 >    
425   #ifdef IS_MPI
426 <
426 >    
427      if (worldRank == 0) {
428   #endif // is_mpi
429        Globals * simParams = info->getSimParams();
# Line 201 | Line 432 | namespace oopse {
432        } else {
433          prefix = getPrefix(mdfile);
434        }
435 <
435 >      
436        info->setFinalConfigFileName(prefix + ".eor");
437        info->setDumpFileName(prefix + ".dump");
438        info->setStatFileName(prefix + ".stat");
439 <
439 >      info->setRestFileName(prefix + ".zang");
440 >      
441   #ifdef IS_MPI
442 <
442 >      
443      }
444 <
444 >    
445   #endif
446 <
446 >    
447    }
448 <
448 >  
449   #ifdef IS_MPI
450    void SimCreator::divideMolecules(SimInfo *info) {
451 <    double numerator;
452 <    double denominator;
453 <    double precast;
454 <    double x;
455 <    double y;
456 <    double a;
451 >    RealType numerator;
452 >    RealType denominator;
453 >    RealType precast;
454 >    RealType x;
455 >    RealType y;
456 >    RealType a;
457      int old_atoms;
458      int add_atoms;
459      int new_atoms;
# Line 237 | Line 469 | namespace oopse {
469      std::vector<int> molToProcMap(nGlobalMols, -1); // default to an error condition:
470      
471      MPI_Comm_size(MPI_COMM_WORLD, &nProcessors);
472 <
472 >    
473      if (nProcessors > nGlobalMols) {
474        sprintf(painCave.errMsg,
475                "nProcessors (%d) > nMol (%d)\n"
# Line 245 | Line 477 | namespace oopse {
477                "\tthe number of molecules.  This will not result in a \n"
478                "\tusable division of atoms for force decomposition.\n"
479                "\tEither try a smaller number of processors, or run the\n"
480 <              "\tsingle-processor version of OOPSE.\n", nProcessors, nGlobalMols);
481 <
480 >              "\tsingle-processor version of OpenMD.\n", nProcessors, nGlobalMols);
481 >      
482        painCave.isFatal = 1;
483        simError();
484      }
485 <
485 >    
486      int seedValue;
487      Globals * simParams = info->getSimParams();
488      SeqRandNumGen* myRandom; //divide labor does not need Parallel random number generator
# Line 260 | Line 492 | namespace oopse {
492      }else {
493        myRandom = new SeqRandNumGen();
494      }  
495 <
496 <
495 >    
496 >    
497      a = 3.0 * nGlobalMols / info->getNGlobalAtoms();
498 <
498 >    
499      //initialize atomsPerProc
500      atomsPerProc.insert(atomsPerProc.end(), nProcessors, 0);
501 <
501 >    
502      if (worldRank == 0) {
503        numerator = info->getNGlobalAtoms();
504        denominator = nProcessors;
505        precast = numerator / denominator;
506        nTarget = (int)(precast + 0.5);
507 <
507 >      
508        for(i = 0; i < nGlobalMols; i++) {
509          done = 0;
510          loops = 0;
511 <
511 >        
512          while (!done) {
513            loops++;
514 <
514 >          
515            // Pick a processor at random
516 <
516 >          
517            which_proc = (int) (myRandom->rand() * nProcessors);
518 <
518 >          
519            //get the molecule stamp first
520            int stampId = info->getMoleculeStampId(i);
521            MoleculeStamp * moleculeStamp = info->getMoleculeStamp(stampId);
522 <
522 >          
523            // How many atoms does this processor have so far?
524            old_atoms = atomsPerProc[which_proc];
525            add_atoms = moleculeStamp->getNAtoms();
526            new_atoms = old_atoms + add_atoms;
527 <
527 >          
528            // If we've been through this loop too many times, we need
529            // to just give up and assign the molecule to this processor
530            // and be done with it.
531 <
531 >          
532            if (loops > 100) {
533              sprintf(painCave.errMsg,
534                      "I've tried 100 times to assign molecule %d to a "
535                      " processor, but can't find a good spot.\n"
536                      "I'm assigning it at random to processor %d.\n",
537                      i, which_proc);
538 <
538 >            
539              painCave.isFatal = 0;
540              simError();
541 <
541 >            
542              molToProcMap[i] = which_proc;
543              atomsPerProc[which_proc] += add_atoms;
544 <
544 >            
545              done = 1;
546              continue;
547            }
548 <
548 >          
549            // If we can add this molecule to this processor without sending
550            // it above nTarget, then go ahead and do it:
551 <
551 >          
552            if (new_atoms <= nTarget) {
553              molToProcMap[i] = which_proc;
554              atomsPerProc[which_proc] += add_atoms;
555 <
555 >            
556              done = 1;
557              continue;
558            }
559 <
559 >          
560            // The only situation left is when new_atoms > nTarget.  We
561            // want to accept this with some probability that dies off the
562            // farther we are from nTarget
563 <
563 >          
564            // roughly:  x = new_atoms - nTarget
565            //           Pacc(x) = exp(- a * x)
566            // where a = penalty / (average atoms per molecule)
567 <
568 <          x = (double)(new_atoms - nTarget);
567 >          
568 >          x = (RealType)(new_atoms - nTarget);
569            y = myRandom->rand();
570 <
570 >          
571            if (y < exp(- a * x)) {
572              molToProcMap[i] = which_proc;
573              atomsPerProc[which_proc] += add_atoms;
574 <
574 >            
575              done = 1;
576              continue;
577            } else {
# Line 347 | Line 579 | namespace oopse {
579            }
580          }
581        }
582 <
582 >      
583        delete myRandom;
584 <        
584 >      
585        // Spray out this nonsense to all other processors:
586 <
586 >      
587        MPI_Bcast(&molToProcMap[0], nGlobalMols, MPI_INT, 0, MPI_COMM_WORLD);
588      } else {
589 <
589 >      
590        // Listen to your marching orders from processor 0:
591 <
591 >      
592        MPI_Bcast(&molToProcMap[0], nGlobalMols, MPI_INT, 0, MPI_COMM_WORLD);
593      }
594 <
594 >    
595      info->setMolToProcMap(molToProcMap);
596      sprintf(checkPointMsg,
597              "Successfully divided the molecules among the processors.\n");
598 <    MPIcheckPoint();
598 >    errorCheckPoint();
599    }
600 <
600 >  
601   #endif
602 <
602 >  
603    void SimCreator::createMolecules(SimInfo *info) {
604      MoleculeCreator molCreator;
605      int stampId;
606 <
606 >    
607      for(int i = 0; i < info->getNGlobalMolecules(); i++) {
608 <
608 >      
609   #ifdef IS_MPI
610 <
610 >      
611        if (info->getMolToProc(i) == worldRank) {
612   #endif
613 <
613 >        
614          stampId = info->getMoleculeStampId(i);
615          Molecule * mol = molCreator.createMolecule(info->getForceField(), info->getMoleculeStamp(stampId),
616                                                     stampId, i, info->getLocalIndexManager());
617 <
617 >        
618          info->addMolecule(mol);
619 <
619 >        
620   #ifdef IS_MPI
621 <
621 >        
622        }
623 <
623 >      
624   #endif
625 <
625 >      
626      } //end for(int i=0)  
627    }
628 <
397 <  void SimCreator::compList(MakeStamps *stamps, Globals* simParams,
398 <                            std::vector < std::pair<MoleculeStamp *, int> > &moleculeStampPairs) {
399 <    int i;
400 <    char * id;
401 <    LinkedMolStamp* extractedStamp = NULL;
402 <    MoleculeStamp * currentStamp;
403 <    Component** the_components = simParams->getComponents();
404 <    int n_components = simParams->getNComponents();
405 <
406 <    if (!simParams->haveNMol()) {
407 <      // we don't have the total number of molecules, so we assume it is
408 <      // given in each component
409 <
410 <      for(i = 0; i < n_components; i++) {
411 <        if (!the_components[i]->haveNMol()) {
412 <          // we have a problem
413 <          sprintf(painCave.errMsg,
414 <                  "SimCreator Error. No global NMol or component NMol given.\n"
415 <                  "\tCannot calculate the number of atoms.\n");
416 <
417 <          painCave.isFatal = 1;
418 <          simError();
419 <        }
420 <      
421 <        id = the_components[i]->getType();
422 <
423 <        extractedStamp = stamps->extractMolStamp(id);
424 <        if (extractedStamp == NULL) {
425 <          sprintf(painCave.errMsg,
426 <                  "SimCreator error: Component \"%s\" was not found in the "
427 <                  "list of declared molecules\n", id);
428 <
429 <          painCave.isFatal = 1;
430 <          simError();
431 <        }
432 <
433 <        currentStamp = extractedStamp->getStamp();
434 <
435 <
436 <        moleculeStampPairs.push_back(
437 <                                     std::make_pair(currentStamp, the_components[i]->getNMol()));
438 <      } //end for (i = 0; i < n_components; i++)
439 <    } else {
440 <      sprintf(painCave.errMsg, "SimSetup error.\n"
441 <              "\tSorry, the ability to specify total"
442 <              " nMols and then give molfractions in the components\n"
443 <              "\tis not currently supported."
444 <              " Please give nMol in the components.\n");
445 <
446 <      painCave.isFatal = 1;
447 <      simError();
448 <    }
449 <
450 < #ifdef IS_MPI
451 <
452 <    strcpy(checkPointMsg, "Component stamps successfully extracted\n");
453 <    MPIcheckPoint();
454 <
455 < #endif // is_mpi
456 <
457 <  }
458 <
628 >    
629    void SimCreator::setGlobalIndex(SimInfo *info) {
630      SimInfo::MoleculeIterator mi;
631      Molecule::AtomIterator ai;
632      Molecule::RigidBodyIterator ri;
633      Molecule::CutoffGroupIterator ci;
634 +    Molecule::IntegrableObjectIterator  ioi;
635      Molecule * mol;
636      Atom * atom;
637      RigidBody * rb;
# Line 469 | Line 640 | namespace oopse {
640      int beginRigidBodyIndex;
641      int beginCutoffGroupIndex;
642      int nGlobalAtoms = info->getNGlobalAtoms();
472    
473 #ifndef IS_MPI
643  
644 +    /**@todo fixme */
645 + #ifndef IS_MPI
646 +    
647      beginAtomIndex = 0;
648      beginRigidBodyIndex = 0;
649      beginCutoffGroupIndex = 0;
650 <
650 >    
651   #else
652 <
652 >    
653      int nproc;
654      int myNode;
655 <
655 >    
656      myNode = worldRank;
657      MPI_Comm_size(MPI_COMM_WORLD, &nproc);
658 <
658 >    
659      std::vector < int > tmpAtomsInProc(nproc, 0);
660      std::vector < int > tmpRigidBodiesInProc(nproc, 0);
661      std::vector < int > tmpCutoffGroupsInProc(nproc, 0);
662      std::vector < int > NumAtomsInProc(nproc, 0);
663      std::vector < int > NumRigidBodiesInProc(nproc, 0);
664      std::vector < int > NumCutoffGroupsInProc(nproc, 0);
665 <
665 >    
666      tmpAtomsInProc[myNode] = info->getNAtoms();
667      tmpRigidBodiesInProc[myNode] = info->getNRigidBodies();
668      tmpCutoffGroupsInProc[myNode] = info->getNCutoffGroups();
669 <
669 >    
670      //do MPI_ALLREDUCE to exchange the total number of atoms, rigidbodies and cutoff groups
671      MPI_Allreduce(&tmpAtomsInProc[0], &NumAtomsInProc[0], nproc, MPI_INT,
672                    MPI_SUM, MPI_COMM_WORLD);
# Line 502 | Line 674 | namespace oopse {
674                    MPI_INT, MPI_SUM, MPI_COMM_WORLD);
675      MPI_Allreduce(&tmpCutoffGroupsInProc[0], &NumCutoffGroupsInProc[0], nproc,
676                    MPI_INT, MPI_SUM, MPI_COMM_WORLD);
677 <
677 >    
678      beginAtomIndex = 0;
679      beginRigidBodyIndex = 0;
680      beginCutoffGroupIndex = 0;
681 <
681 >    
682      for(int i = 0; i < myNode; i++) {
683        beginAtomIndex += NumAtomsInProc[i];
684        beginRigidBodyIndex += NumRigidBodiesInProc[i];
685        beginCutoffGroupIndex += NumCutoffGroupsInProc[i];
686      }
687 <
687 >    
688   #endif
689 <
689 >    
690      //rigidbody's index begins right after atom's
691      beginRigidBodyIndex += info->getNGlobalAtoms();
692 <
692 >    
693      for(mol = info->beginMolecule(mi); mol != NULL;
694          mol = info->nextMolecule(mi)) {
695 <
695 >      
696        //local index(index in DataStorge) of atom is important
697        for(atom = mol->beginAtom(ai); atom != NULL; atom = mol->nextAtom(ai)) {
698          atom->setGlobalIndex(beginAtomIndex++);
699        }
700 <
700 >      
701        for(rb = mol->beginRigidBody(ri); rb != NULL;
702            rb = mol->nextRigidBody(ri)) {
703          rb->setGlobalIndex(beginRigidBodyIndex++);
704        }
705 <
705 >      
706        //local index of cutoff group is trivial, it only depends on the order of travesing
707        for(cg = mol->beginCutoffGroup(ci); cg != NULL;
708            cg = mol->nextCutoffGroup(ci)) {
709          cg->setGlobalIndex(beginCutoffGroupIndex++);
710        }
711      }
712 <
712 >    
713      //fill globalGroupMembership
714      std::vector<int> globalGroupMembership(info->getNGlobalAtoms(), 0);
715      for(mol = info->beginMolecule(mi); mol != NULL; mol = info->nextMolecule(mi)) {        
716        for (cg = mol->beginCutoffGroup(ci); cg != NULL; cg = mol->nextCutoffGroup(ci)) {
717 <
717 >        
718          for(atom = cg->beginAtom(ai); atom != NULL; atom = cg->nextAtom(ai)) {
719            globalGroupMembership[atom->getGlobalIndex()] = cg->getGlobalIndex();
720          }
721 <
721 >        
722        }      
723      }
724 <
724 >    
725   #ifdef IS_MPI    
726      // Since the globalGroupMembership has been zero filled and we've only
727      // poked values into the atoms we know, we can do an Allreduce
728      // to get the full globalGroupMembership array (We think).
729      // This would be prettier if we could use MPI_IN_PLACE like the MPI-2
730      // docs said we could.
731 <    std::vector<int> tmpGroupMembership(nGlobalAtoms, 0);
731 >    std::vector<int> tmpGroupMembership(info->getNGlobalAtoms(), 0);
732      MPI_Allreduce(&globalGroupMembership[0], &tmpGroupMembership[0], nGlobalAtoms,
733                    MPI_INT, MPI_SUM, MPI_COMM_WORLD);
734      info->setGlobalGroupMembership(tmpGroupMembership);
735   #else
736      info->setGlobalGroupMembership(globalGroupMembership);
737   #endif
738 <
738 >    
739      //fill molMembership
740      std::vector<int> globalMolMembership(info->getNGlobalAtoms(), 0);
741      
742      for(mol = info->beginMolecule(mi); mol != NULL; mol = info->nextMolecule(mi)) {
571
743        for(atom = mol->beginAtom(ai); atom != NULL; atom = mol->nextAtom(ai)) {
744          globalMolMembership[atom->getGlobalIndex()] = mol->getGlobalIndex();
745        }
746      }
747 <
747 >    
748   #ifdef IS_MPI
749 <    std::vector<int> tmpMolMembership(nGlobalAtoms, 0);
750 <
749 >    std::vector<int> tmpMolMembership(info->getNGlobalAtoms(), 0);
750 >    
751      MPI_Allreduce(&globalMolMembership[0], &tmpMolMembership[0], nGlobalAtoms,
752                    MPI_INT, MPI_SUM, MPI_COMM_WORLD);
753      
# Line 585 | Line 756 | namespace oopse {
756      info->setGlobalMolMembership(globalMolMembership);
757   #endif
758  
759 <  }
759 >    // nIOPerMol holds the number of integrable objects per molecule
760 >    // here the molecules are listed by their global indices.
761  
762 <  void SimCreator::loadCoordinates(SimInfo* info) {
762 >    std::vector<int> nIOPerMol(info->getNGlobalMolecules(), 0);
763 >    for (mol = info->beginMolecule(mi); mol != NULL; mol = info->nextMolecule(mi)) {
764 >      nIOPerMol[mol->getGlobalIndex()] = mol->getNIntegrableObjects();      
765 >    }
766 >    
767 > #ifdef IS_MPI
768 >    std::vector<int> numIntegrableObjectsPerMol(info->getNGlobalMolecules(), 0);
769 >    MPI_Allreduce(&nIOPerMol[0], &numIntegrableObjectsPerMol[0],
770 >                  info->getNGlobalMolecules(), MPI_INT, MPI_SUM, MPI_COMM_WORLD);
771 > #else
772 >    std::vector<int> numIntegrableObjectsPerMol = nIOPerMol;
773 > #endif    
774 >
775 >    std::vector<int> startingIOIndexForMol(info->getNGlobalMolecules());
776 >    
777 >    int startingIndex = 0;
778 >    for (int i = 0; i < info->getNGlobalMolecules(); i++) {
779 >      startingIOIndexForMol[i] = startingIndex;
780 >      startingIndex += numIntegrableObjectsPerMol[i];
781 >    }
782 >    
783 >    std::vector<StuntDouble*> IOIndexToIntegrableObject(info->getNGlobalIntegrableObjects(), (StuntDouble*)NULL);
784 >    for (mol = info->beginMolecule(mi); mol != NULL; mol = info->nextMolecule(mi)) {
785 >      int myGlobalIndex = mol->getGlobalIndex();
786 >      int globalIO = startingIOIndexForMol[myGlobalIndex];
787 >      for (StuntDouble* integrableObject = mol->beginIntegrableObject(ioi); integrableObject != NULL;
788 >           integrableObject = mol->nextIntegrableObject(ioi)) {
789 >        integrableObject->setGlobalIntegrableObjectIndex(globalIO);
790 >        IOIndexToIntegrableObject[globalIO] = integrableObject;
791 >        globalIO++;
792 >      }
793 >    }
794 >    
795 >    info->setIOIndexToIntegrableObject(IOIndexToIntegrableObject);
796 >    
797 >  }
798 >  
799 >  void SimCreator::loadCoordinates(SimInfo* info, const std::string& mdFileName) {
800      Globals* simParams;
801      simParams = info->getSimParams();
802      
803 <    if (!simParams->haveInitialConfig()) {
804 <      sprintf(painCave.errMsg,
596 <              "Cannot intialize a simulation without an initial configuration file.\n");
597 <      painCave.isFatal = 1;;
598 <      simError();
599 <    }
600 <        
601 <    DumpReader reader(info, simParams->getInitialConfig());
803 >    
804 >    DumpReader reader(info, mdFileName);
805      int nframes = reader.getNFrames();
806 <
806 >    
807      if (nframes > 0) {
808        reader.readFrame(nframes - 1);
809      } else {
810        //invalid initial coordinate file
811 <      sprintf(painCave.errMsg, "Initial configuration file %s should at least contain one frame\n",
812 <              simParams->getInitialConfig());
811 >      sprintf(painCave.errMsg,
812 >              "Initial configuration file %s should at least contain one frame\n",
813 >              mdFileName.c_str());
814        painCave.isFatal = 1;
815        simError();
816      }
817 <
817 >    
818      //copy the current snapshot to previous snapshot
819      info->getSnapshotManager()->advance();
820    }
821 +  
822 + } //end namespace OpenMD
823  
618 } //end namespace oopse
824  
620

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