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root/group/trunk/OOPSE-2.0/src/brains/SimCreator.cpp
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Comparing trunk/OOPSE-2.0/src/brains/SimCreator.cpp (file contents):
Revision 1981 by tim, Mon Feb 7 19:14:26 2005 UTC vs.
Revision 2211 by chrisfen, Thu Apr 21 14:12:19 2005 UTC

# Line 1 | Line 1
1 < /*
1 > /*
2   * Copyright (c) 2005 The University of Notre Dame. All Rights Reserved.
3   *
4   * The University of Notre Dame grants you ("Licensee") a
# Line 47 | Line 47
47   * @version 1.0
48   */
49  
50 #include <sprng.h>
51
50   #include "brains/MoleculeCreator.hpp"
51   #include "brains/SimCreator.hpp"
52   #include "brains/SimSnapshotManager.hpp"
# Line 57 | Line 55
55   #include "UseTheForce/ForceFieldFactory.hpp"
56   #include "utils/simError.h"
57   #include "utils/StringUtils.hpp"
58 + #include "math/SeqRandNumGen.hpp"
59   #ifdef IS_MPI
60   #include "io/mpiBASS.h"
61 < #include "math/randomSPRNG.hpp"
61 > #include "math/ParallelRandNumGen.hpp"
62   #endif
63  
64   namespace oopse {
65 <
66 < void SimCreator::parseFile(const std::string mdFileName,  MakeStamps* stamps, Globals* simParams){
67 <
65 >  
66 >  void SimCreator::parseFile(const std::string mdFileName,  MakeStamps* stamps,
67 >                             Globals* simParams){
68 >    
69   #ifdef IS_MPI
70 <
70 >    
71      if (worldRank == 0) {
72   #endif // is_mpi
73 <
74 <        simParams->initalize();
75 <        set_interface_stamps(stamps, simParams);
76 <
73 >      
74 >      simParams->initalize();
75 >      set_interface_stamps(stamps, simParams);
76 >      
77   #ifdef IS_MPI
78 <
79 <        mpiEventInit();
80 <
78 >      
79 >      mpiEventInit();
80 >      
81   #endif
82 <
83 <        yacc_BASS(mdFileName.c_str());
84 <
82 >      
83 >      yacc_BASS(mdFileName.c_str());
84 >      
85   #ifdef IS_MPI
86 <
87 <        throwMPIEvent(NULL);
86 >      
87 >      throwMPIEvent(NULL);
88      } else {
89 <        set_interface_stamps(stamps, simParams);
90 <        mpiEventInit();
91 <        MPIcheckPoint();
92 <        mpiEventLoop();
89 >      set_interface_stamps(stamps, simParams);
90 >      mpiEventInit();
91 >      MPIcheckPoint();
92 >      mpiEventLoop();
93      }
94 <
94 >    
95   #endif
96
97 }
98
99 SimInfo*  SimCreator::createSim(const std::string & mdFileName, bool loadInitCoords) {
96      
97 +  }
98 +  
99 +  SimInfo*  SimCreator::createSim(const std::string & mdFileName,
100 +                                  bool loadInitCoords) {
101 +    
102      MakeStamps * stamps = new MakeStamps();
103 <
103 >    
104      Globals * simParams = new Globals();
105 <
105 >    
106      //parse meta-data file
107      parseFile(mdFileName, stamps, simParams);
108 <
108 >    
109      //create the force field
110 <    ForceField * ff = ForceFieldFactory::getInstance()->createForceField(
111 <                          simParams->getForceField());
110 >    ForceField * ff = ForceFieldFactory::getInstance()
111 >      ->createForceField(simParams->getForceField());
112      
113      if (ff == NULL) {
114 <        sprintf(painCave.errMsg, "ForceField Factory can not create %s force field\n",
115 <                simParams->getForceField());
116 <        painCave.isFatal = 1;
117 <        simError();
114 >      sprintf(painCave.errMsg,
115 >              "ForceField Factory can not create %s force field\n",
116 >              simParams->getForceField());
117 >      painCave.isFatal = 1;
118 >      simError();
119      }
120 <
120 >    
121      if (simParams->haveForceFieldFileName()) {
122 <        ff->setForceFieldFileName(simParams->getForceFieldFileName());
122 >      ff->setForceFieldFileName(simParams->getForceFieldFileName());
123      }
124      
125      std::string forcefieldFileName;
126      forcefieldFileName = ff->getForceFieldFileName();
127 <
127 >    
128      if (simParams->haveForceFieldVariant()) {
129 <        //If the force field has variant, the variant force field name will be
130 <        //Base.variant.frc. For exampel EAM.u6.frc
131 <        
132 <        std::string variant = simParams->getForceFieldVariant();
133 <
134 <        std::string::size_type pos = forcefieldFileName.rfind(".frc");
135 <        variant = "." + variant;
136 <        if (pos != std::string::npos) {
137 <            forcefieldFileName.insert(pos, variant);
138 <        } else {
139 <            //If the default force field file name does not containt .frc suffix, just append the .variant
140 <            forcefieldFileName.append(variant);
141 <        }
129 >      //If the force field has variant, the variant force field name will be
130 >      //Base.variant.frc. For exampel EAM.u6.frc
131 >      
132 >      std::string variant = simParams->getForceFieldVariant();
133 >      
134 >      std::string::size_type pos = forcefieldFileName.rfind(".frc");
135 >      variant = "." + variant;
136 >      if (pos != std::string::npos) {
137 >        forcefieldFileName.insert(pos, variant);
138 >      } else {
139 >        //If the default force field file name does not containt .frc suffix, just append the .variant
140 >        forcefieldFileName.append(variant);
141 >      }
142      }
143      
144      ff->parse(forcefieldFileName);
# Line 144 | Line 146 | SimInfo*  SimCreator::createSim(const std::string & md
146      //extract the molecule stamps
147      std::vector < std::pair<MoleculeStamp *, int> > moleculeStampPairs;
148      compList(stamps, simParams, moleculeStampPairs);
149 <
149 >    
150      //create SimInfo
151 <    SimInfo * info = new SimInfo(moleculeStampPairs, ff, simParams);
152 <
151 >    SimInfo * info = new SimInfo(stamps, moleculeStampPairs, ff, simParams);
152 >    
153      //gather parameters (SimCreator only retrieves part of the parameters)
154      gatherParameters(info, mdFileName);
155 <
155 >    
156      //divide the molecules and determine the global index of molecules
157   #ifdef IS_MPI
158      divideMolecules(info);
159   #endif
160 <
160 >    
161      //create the molecules
162      createMolecules(info);
163 <
164 <
163 >    
164 >    
165      //allocate memory for DataStorage(circular reference, need to break it)
166      info->setSnapshotManager(new SimSnapshotManager(info));
167      
# Line 167 | Line 169 | SimInfo*  SimCreator::createSim(const std::string & md
169      //global index will never change again). Local indices of atoms and rigidbodies are already set by
170      //MoleculeCreator class which actually delegates the responsibility to LocalIndexManager.
171      setGlobalIndex(info);
172 <
172 >    
173      //Alought addExculdePairs is called inside SimInfo's addMolecule method, at that point
174      //atoms don't have the global index yet  (their global index are all initialized to -1).
175      //Therefore we have to call addExcludePairs explicitly here. A way to work around is that
# Line 175 | Line 177 | SimInfo*  SimCreator::createSim(const std::string & md
177      SimInfo::MoleculeIterator mi;
178      Molecule* mol;
179      for (mol= info->beginMolecule(mi); mol != NULL; mol = info->nextMolecule(mi)) {
180 <        info->addExcludePairs(mol);
180 >      info->addExcludePairs(mol);
181      }
182      
181
182    //load initial coordinates, some extra information are pushed into SimInfo's property map ( such as
183    //eta, chi for NPT integrator)
183      if (loadInitCoords)
184 <        loadCoordinates(info);    
184 >      loadCoordinates(info);    
185      
186      return info;
187 < }
188 <
189 < void SimCreator::gatherParameters(SimInfo *info, const std::string& mdfile) {
190 <
192 <    //setup seed for random number generator
193 <    int seedValue;
194 <    Globals * simParams = info->getSimParams();
195 <
196 <    if (simParams->haveSeed()) {
197 <        seedValue = simParams->getSeed();
198 <
199 <        if (seedValue < 100000000 ) {
200 <            sprintf(painCave.errMsg,
201 <                    "Seed for sprng library should contain at least 9 digits\n"
202 <                        "OOPSE will generate a seed for user\n");
203 <
204 <            painCave.isFatal = 0;
205 <            simError();
206 <
207 <            //using seed generated by system instead of invalid seed set by user
208 <
209 < #ifndef IS_MPI
210 <
211 <            seedValue = make_sprng_seed();
212 <
213 < #else
214 <
215 <            if (worldRank == 0) {
216 <                seedValue = make_sprng_seed();
217 <            }
218 <
219 <            MPI_Bcast(&seedValue, 1, MPI_INT, 0, MPI_COMM_WORLD);
220 <
221 < #endif
222 <
223 <        } //end if (seedValue /1000000000 == 0)
224 <    } else {
225 <
226 < #ifndef IS_MPI
227 <
228 <        seedValue = make_sprng_seed();
229 <
230 < #else
231 <
232 <        if (worldRank == 0) {
233 <            seedValue = make_sprng_seed();
234 <        }
235 <
236 <        MPI_Bcast(&seedValue, 1, MPI_INT, 0, MPI_COMM_WORLD);
237 <
238 < #endif
239 <
240 <    } //end of simParams->haveSeed()
241 <
242 <    info->setSeed(seedValue);
243 <
244 <
187 >  }
188 >  
189 >  void SimCreator::gatherParameters(SimInfo *info, const std::string& mdfile) {
190 >    
191      //figure out the ouput file names
192      std::string prefix;
193 <
193 >    
194   #ifdef IS_MPI
195 <
195 >    
196      if (worldRank == 0) {
197   #endif // is_mpi
198 <
199 <        if (simParams->haveFinalConfig()) {
200 <            prefix = getPrefix(simParams->getFinalConfig());
201 <        } else {
202 <            prefix = getPrefix(mdfile);
203 <        }
204 <
205 <        info->setFinalConfigFileName(prefix + ".eor");
206 <        info->setDumpFileName(prefix + ".dump");
207 <        info->setStatFileName(prefix + ".stat");
208 <
198 >      Globals * simParams = info->getSimParams();
199 >      if (simParams->haveFinalConfig()) {
200 >        prefix = getPrefix(simParams->getFinalConfig());
201 >      } else {
202 >        prefix = getPrefix(mdfile);
203 >      }
204 >      
205 >      info->setFinalConfigFileName(prefix + ".eor");
206 >      info->setDumpFileName(prefix + ".dump");
207 >      info->setStatFileName(prefix + ".stat");
208 >      info->setRestFileName(prefix + ".zang");
209 >      
210   #ifdef IS_MPI
211 <
211 >      
212      }
213 <
213 >    
214   #endif
215 <
216 < }
217 <
215 >    
216 >  }
217 >  
218   #ifdef IS_MPI
219 < void SimCreator::divideMolecules(SimInfo *info) {
219 >  void SimCreator::divideMolecules(SimInfo *info) {
220      double numerator;
221      double denominator;
222      double precast;
# Line 287 | Line 234 | void SimCreator::divideMolecules(SimInfo *info) {
234      int which_proc;
235      int nProcessors;
236      std::vector<int> atomsPerProc;
290    randomSPRNG myRandom(info->getSeed());
237      int nGlobalMols = info->getNGlobalMolecules();
238      std::vector<int> molToProcMap(nGlobalMols, -1); // default to an error condition:
239      
240      MPI_Comm_size(MPI_COMM_WORLD, &nProcessors);
241 <
241 >    
242      if (nProcessors > nGlobalMols) {
243 <        sprintf(painCave.errMsg,
244 <                "nProcessors (%d) > nMol (%d)\n"
245 <                    "\tThe number of processors is larger than\n"
246 <                    "\tthe number of molecules.  This will not result in a \n"
247 <                    "\tusable division of atoms for force decomposition.\n"
248 <                    "\tEither try a smaller number of processors, or run the\n"
249 <                    "\tsingle-processor version of OOPSE.\n", nProcessors, nGlobalMols);
250 <
251 <        painCave.isFatal = 1;
252 <        simError();
243 >      sprintf(painCave.errMsg,
244 >              "nProcessors (%d) > nMol (%d)\n"
245 >              "\tThe number of processors is larger than\n"
246 >              "\tthe number of molecules.  This will not result in a \n"
247 >              "\tusable division of atoms for force decomposition.\n"
248 >              "\tEither try a smaller number of processors, or run the\n"
249 >              "\tsingle-processor version of OOPSE.\n", nProcessors, nGlobalMols);
250 >      
251 >      painCave.isFatal = 1;
252 >      simError();
253      }
254 <
254 >    
255 >    int seedValue;
256 >    Globals * simParams = info->getSimParams();
257 >    SeqRandNumGen* myRandom; //divide labor does not need Parallel random number generator
258 >    if (simParams->haveSeed()) {
259 >      seedValue = simParams->getSeed();
260 >      myRandom = new SeqRandNumGen(seedValue);
261 >    }else {
262 >      myRandom = new SeqRandNumGen();
263 >    }  
264 >    
265 >    
266      a = 3.0 * nGlobalMols / info->getNGlobalAtoms();
267 <
267 >    
268      //initialize atomsPerProc
269      atomsPerProc.insert(atomsPerProc.end(), nProcessors, 0);
270 <
270 >    
271      if (worldRank == 0) {
272 <        numerator = info->getNGlobalAtoms();
273 <        denominator = nProcessors;
274 <        precast = numerator / denominator;
275 <        nTarget = (int)(precast + 0.5);
276 <
277 <        for(i = 0; i < nGlobalMols; i++) {
278 <            done = 0;
279 <            loops = 0;
280 <
281 <            while (!done) {
282 <                loops++;
283 <
284 <                // Pick a processor at random
285 <
286 <                which_proc = (int) (myRandom.getRandom() * nProcessors);
287 <
288 <                //get the molecule stamp first
289 <                int stampId = info->getMoleculeStampId(i);
290 <                MoleculeStamp * moleculeStamp = info->getMoleculeStamp(stampId);
291 <
292 <                // How many atoms does this processor have so far?
293 <                old_atoms = atomsPerProc[which_proc];
294 <                add_atoms = moleculeStamp->getNAtoms();
295 <                new_atoms = old_atoms + add_atoms;
296 <
297 <                // If we've been through this loop too many times, we need
298 <                // to just give up and assign the molecule to this processor
299 <                // and be done with it.
300 <
301 <                if (loops > 100) {
302 <                    sprintf(painCave.errMsg,
303 <                            "I've tried 100 times to assign molecule %d to a "
304 <                                " processor, but can't find a good spot.\n"
305 <                                "I'm assigning it at random to processor %d.\n",
306 <                            i, which_proc);
307 <
308 <                    painCave.isFatal = 0;
309 <                    simError();
310 <
311 <                    molToProcMap[i] = which_proc;
312 <                    atomsPerProc[which_proc] += add_atoms;
313 <
314 <                    done = 1;
315 <                    continue;
316 <                }
317 <
318 <                // If we can add this molecule to this processor without sending
319 <                // it above nTarget, then go ahead and do it:
320 <
321 <                if (new_atoms <= nTarget) {
322 <                    molToProcMap[i] = which_proc;
323 <                    atomsPerProc[which_proc] += add_atoms;
324 <
325 <                    done = 1;
326 <                    continue;
327 <                }
328 <
329 <                // The only situation left is when new_atoms > nTarget.  We
330 <                // want to accept this with some probability that dies off the
331 <                // farther we are from nTarget
332 <
333 <                // roughly:  x = new_atoms - nTarget
334 <                //           Pacc(x) = exp(- a * x)
335 <                // where a = penalty / (average atoms per molecule)
336 <
337 <                x = (double)(new_atoms - nTarget);
338 <                y = myRandom.getRandom();
339 <
340 <                if (y < exp(- a * x)) {
341 <                    molToProcMap[i] = which_proc;
342 <                    atomsPerProc[which_proc] += add_atoms;
343 <
344 <                    done = 1;
345 <                    continue;
346 <                } else {
347 <                    continue;
348 <                }
349 <            }
350 <        }
351 <
352 <        // Spray out this nonsense to all other processors:
353 <
354 <        MPI_Bcast(&molToProcMap[0], nGlobalMols, MPI_INT, 0, MPI_COMM_WORLD);
355 <    } else {
356 <
357 <        // Listen to your marching orders from processor 0:
358 <
359 <        MPI_Bcast(&molToProcMap[0], nGlobalMols, MPI_INT, 0, MPI_COMM_WORLD);
272 >      numerator = info->getNGlobalAtoms();
273 >      denominator = nProcessors;
274 >      precast = numerator / denominator;
275 >      nTarget = (int)(precast + 0.5);
276 >      
277 >      for(i = 0; i < nGlobalMols; i++) {
278 >        done = 0;
279 >        loops = 0;
280 >        
281 >        while (!done) {
282 >          loops++;
283 >          
284 >          // Pick a processor at random
285 >          
286 >          which_proc = (int) (myRandom->rand() * nProcessors);
287 >          
288 >          //get the molecule stamp first
289 >          int stampId = info->getMoleculeStampId(i);
290 >          MoleculeStamp * moleculeStamp = info->getMoleculeStamp(stampId);
291 >          
292 >          // How many atoms does this processor have so far?
293 >          old_atoms = atomsPerProc[which_proc];
294 >          add_atoms = moleculeStamp->getNAtoms();
295 >          new_atoms = old_atoms + add_atoms;
296 >          
297 >          // If we've been through this loop too many times, we need
298 >          // to just give up and assign the molecule to this processor
299 >          // and be done with it.
300 >          
301 >          if (loops > 100) {
302 >            sprintf(painCave.errMsg,
303 >                    "I've tried 100 times to assign molecule %d to a "
304 >                    " processor, but can't find a good spot.\n"
305 >                    "I'm assigning it at random to processor %d.\n",
306 >                    i, which_proc);
307 >            
308 >            painCave.isFatal = 0;
309 >            simError();
310 >            
311 >            molToProcMap[i] = which_proc;
312 >            atomsPerProc[which_proc] += add_atoms;
313 >            
314 >            done = 1;
315 >            continue;
316 >          }
317 >          
318 >          // If we can add this molecule to this processor without sending
319 >          // it above nTarget, then go ahead and do it:
320 >          
321 >          if (new_atoms <= nTarget) {
322 >            molToProcMap[i] = which_proc;
323 >            atomsPerProc[which_proc] += add_atoms;
324 >            
325 >            done = 1;
326 >            continue;
327 >          }
328 >          
329 >          // The only situation left is when new_atoms > nTarget.  We
330 >          // want to accept this with some probability that dies off the
331 >          // farther we are from nTarget
332 >          
333 >          // roughly:  x = new_atoms - nTarget
334 >          //           Pacc(x) = exp(- a * x)
335 >          // where a = penalty / (average atoms per molecule)
336 >          
337 >          x = (double)(new_atoms - nTarget);
338 >          y = myRandom->rand();
339 >          
340 >          if (y < exp(- a * x)) {
341 >            molToProcMap[i] = which_proc;
342 >            atomsPerProc[which_proc] += add_atoms;
343 >            
344 >            done = 1;
345 >            continue;
346 >          } else {
347 >            continue;
348 >          }
349 >        }
350 >      }
351 >      
352 >      delete myRandom;
353 >      
354 >      // Spray out this nonsense to all other processors:
355 >      
356 >      MPI_Bcast(&molToProcMap[0], nGlobalMols, MPI_INT, 0, MPI_COMM_WORLD);
357 >    } else {
358 >      
359 >      // Listen to your marching orders from processor 0:
360 >      
361 >      MPI_Bcast(&molToProcMap[0], nGlobalMols, MPI_INT, 0, MPI_COMM_WORLD);
362      }
363 <
363 >    
364      info->setMolToProcMap(molToProcMap);
365      sprintf(checkPointMsg,
366              "Successfully divided the molecules among the processors.\n");
367      MPIcheckPoint();
368 < }
369 <
368 >  }
369 >  
370   #endif
371 <
372 < void SimCreator::createMolecules(SimInfo *info) {
371 >  
372 >  void SimCreator::createMolecules(SimInfo *info) {
373      MoleculeCreator molCreator;
374      int stampId;
375 <
375 >    
376      for(int i = 0; i < info->getNGlobalMolecules(); i++) {
377 <
377 >      
378   #ifdef IS_MPI
379 <
380 <        if (info->getMolToProc(i) == worldRank) {
379 >      
380 >      if (info->getMolToProc(i) == worldRank) {
381   #endif
382 <
383 <            stampId = info->getMoleculeStampId(i);
384 <            Molecule * mol = molCreator.createMolecule(info->getForceField(), info->getMoleculeStamp(stampId),
385 <                                                                                    stampId, i, info->getLocalIndexManager());
386 <
387 <            info->addMolecule(mol);
388 <
382 >        
383 >        stampId = info->getMoleculeStampId(i);
384 >        Molecule * mol = molCreator.createMolecule(info->getForceField(), info->getMoleculeStamp(stampId),
385 >                                                   stampId, i, info->getLocalIndexManager());
386 >        
387 >        info->addMolecule(mol);
388 >        
389   #ifdef IS_MPI
390 <
391 <        }
392 <
390 >        
391 >      }
392 >      
393   #endif
394 <
394 >      
395      } //end for(int i=0)  
396 < }
397 <
398 < void SimCreator::compList(MakeStamps *stamps, Globals* simParams,
399 <                        std::vector < std::pair<MoleculeStamp *, int> > &moleculeStampPairs) {
396 >  }
397 >  
398 >  void SimCreator::compList(MakeStamps *stamps, Globals* simParams,
399 >                            std::vector < std::pair<MoleculeStamp *, int> > &moleculeStampPairs) {
400      int i;
401      char * id;
402      MoleculeStamp * currentStamp;
403      Component** the_components = simParams->getComponents();
404      int n_components = simParams->getNComponents();
405 <
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
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 <        for(i = 0; i < n_components; i++) {
424 <            if (!the_components[i]->haveNMol()) {
425 <                // we have a problem
426 <                sprintf(painCave.errMsg,
427 <                        "SimCreator Error. No global NMol or component NMol given.\n"
428 <                            "\tCannot calculate the number of atoms.\n");
429 <
430 <                painCave.isFatal = 1;
431 <                simError();
432 <            }
433 <
434 <            id = the_components[i]->getType();
435 <            currentStamp = (stamps->extractMolStamp(id))->getStamp();
464 <
465 <            if (currentStamp == NULL) {
466 <                sprintf(painCave.errMsg,
467 <                        "SimCreator error: Component \"%s\" was not found in the "
468 <                            "list of declared molecules\n", id);
469 <
470 <                painCave.isFatal = 1;
471 <                simError();
472 <            }
473 <
474 <            moleculeStampPairs.push_back(
475 <                std::make_pair(currentStamp, the_components[i]->getNMol()));
476 <        } //end for (i = 0; i < n_components; i++)
423 >        currentStamp = stamps->getMolStamp(id);
424 >        if (currentStamp == 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 >        moleculeStampPairs.push_back(
434 >                                     std::make_pair(currentStamp, the_components[i]->getNMol()));
435 >      } //end for (i = 0; i < n_components; i++)
436      } else {
437 <        sprintf(painCave.errMsg, "SimSetup error.\n"
438 <                                     "\tSorry, the ability to specify total"
439 <                                     " nMols and then give molfractions in the components\n"
440 <                                     "\tis not currently supported."
441 <                                     " Please give nMol in the components.\n");
442 <
443 <        painCave.isFatal = 1;
444 <        simError();
445 <    }
446 <
437 >      sprintf(painCave.errMsg, "SimSetup error.\n"
438 >              "\tSorry, the ability to specify total"
439 >              " nMols and then give molfractions in the components\n"
440 >              "\tis not currently supported."
441 >              " Please give nMol in the components.\n");
442 >      
443 >      painCave.isFatal = 1;
444 >      simError();
445 >    }
446 >    
447   #ifdef IS_MPI
448 <
448 >    
449      strcpy(checkPointMsg, "Component stamps successfully extracted\n");
450      MPIcheckPoint();
451 <
451 >    
452   #endif // is_mpi
453 <
454 < }
455 <
456 < void SimCreator::setGlobalIndex(SimInfo *info) {
453 >    
454 >  }
455 >  
456 >  void SimCreator::setGlobalIndex(SimInfo *info) {
457      SimInfo::MoleculeIterator mi;
458      Molecule::AtomIterator ai;
459      Molecule::RigidBodyIterator ri;
# Line 509 | Line 468 | void SimCreator::setGlobalIndex(SimInfo *info) {
468      int nGlobalAtoms = info->getNGlobalAtoms();
469      
470   #ifndef IS_MPI
471 <
471 >    
472      beginAtomIndex = 0;
473      beginRigidBodyIndex = 0;
474      beginCutoffGroupIndex = 0;
475 <
475 >    
476   #else
477 <
477 >    
478      int nproc;
479      int myNode;
480 <
480 >    
481      myNode = worldRank;
482      MPI_Comm_size(MPI_COMM_WORLD, &nproc);
483 <
483 >    
484      std::vector < int > tmpAtomsInProc(nproc, 0);
485      std::vector < int > tmpRigidBodiesInProc(nproc, 0);
486      std::vector < int > tmpCutoffGroupsInProc(nproc, 0);
487      std::vector < int > NumAtomsInProc(nproc, 0);
488      std::vector < int > NumRigidBodiesInProc(nproc, 0);
489      std::vector < int > NumCutoffGroupsInProc(nproc, 0);
490 <
490 >    
491      tmpAtomsInProc[myNode] = info->getNAtoms();
492      tmpRigidBodiesInProc[myNode] = info->getNRigidBodies();
493      tmpCutoffGroupsInProc[myNode] = info->getNCutoffGroups();
494 <
494 >    
495      //do MPI_ALLREDUCE to exchange the total number of atoms, rigidbodies and cutoff groups
496      MPI_Allreduce(&tmpAtomsInProc[0], &NumAtomsInProc[0], nproc, MPI_INT,
497                    MPI_SUM, MPI_COMM_WORLD);
# Line 540 | Line 499 | void SimCreator::setGlobalIndex(SimInfo *info) {
499                    MPI_INT, MPI_SUM, MPI_COMM_WORLD);
500      MPI_Allreduce(&tmpCutoffGroupsInProc[0], &NumCutoffGroupsInProc[0], nproc,
501                    MPI_INT, MPI_SUM, MPI_COMM_WORLD);
502 <
502 >    
503      beginAtomIndex = 0;
504      beginRigidBodyIndex = 0;
505      beginCutoffGroupIndex = 0;
506 <
506 >    
507      for(int i = 0; i < myNode; i++) {
508 <        beginAtomIndex += NumAtomsInProc[i];
509 <        beginRigidBodyIndex += NumRigidBodiesInProc[i];
510 <        beginCutoffGroupIndex += NumCutoffGroupsInProc[i];
508 >      beginAtomIndex += NumAtomsInProc[i];
509 >      beginRigidBodyIndex += NumRigidBodiesInProc[i];
510 >      beginCutoffGroupIndex += NumCutoffGroupsInProc[i];
511      }
512 <
512 >    
513   #endif
514 <
514 >    
515      //rigidbody's index begins right after atom's
516      beginRigidBodyIndex += info->getNGlobalAtoms();
517 <
517 >    
518      for(mol = info->beginMolecule(mi); mol != NULL;
519          mol = info->nextMolecule(mi)) {
520 <
521 <        //local index(index in DataStorge) of atom is important
522 <        for(atom = mol->beginAtom(ai); atom != NULL; atom = mol->nextAtom(ai)) {
523 <            atom->setGlobalIndex(beginAtomIndex++);
524 <        }
525 <
526 <        for(rb = mol->beginRigidBody(ri); rb != NULL;
527 <            rb = mol->nextRigidBody(ri)) {
528 <            rb->setGlobalIndex(beginRigidBodyIndex++);
529 <        }
530 <
531 <        //local index of cutoff group is trivial, it only depends on the order of travesing
532 <        for(cg = mol->beginCutoffGroup(ci); cg != NULL;
533 <            cg = mol->nextCutoffGroup(ci)) {
534 <            cg->setGlobalIndex(beginCutoffGroupIndex++);
535 <        }
520 >      
521 >      //local index(index in DataStorge) of atom is important
522 >      for(atom = mol->beginAtom(ai); atom != NULL; atom = mol->nextAtom(ai)) {
523 >        atom->setGlobalIndex(beginAtomIndex++);
524 >      }
525 >      
526 >      for(rb = mol->beginRigidBody(ri); rb != NULL;
527 >          rb = mol->nextRigidBody(ri)) {
528 >        rb->setGlobalIndex(beginRigidBodyIndex++);
529 >      }
530 >      
531 >      //local index of cutoff group is trivial, it only depends on the order of travesing
532 >      for(cg = mol->beginCutoffGroup(ci); cg != NULL;
533 >          cg = mol->nextCutoffGroup(ci)) {
534 >        cg->setGlobalIndex(beginCutoffGroupIndex++);
535 >      }
536      }
537 <
537 >    
538      //fill globalGroupMembership
539      std::vector<int> globalGroupMembership(info->getNGlobalAtoms(), 0);
540      for(mol = info->beginMolecule(mi); mol != NULL; mol = info->nextMolecule(mi)) {        
541 <        for (cg = mol->beginCutoffGroup(ci); cg != NULL; cg = mol->nextCutoffGroup(ci)) {
542 <
543 <            for(atom = cg->beginAtom(ai); atom != NULL; atom = cg->nextAtom(ai)) {
544 <                globalGroupMembership[atom->getGlobalIndex()] = cg->getGlobalIndex();
545 <            }
546 <
547 <        }      
541 >      for (cg = mol->beginCutoffGroup(ci); cg != NULL; cg = mol->nextCutoffGroup(ci)) {
542 >        
543 >        for(atom = cg->beginAtom(ai); atom != NULL; atom = cg->nextAtom(ai)) {
544 >          globalGroupMembership[atom->getGlobalIndex()] = cg->getGlobalIndex();
545 >        }
546 >        
547 >      }      
548      }
549 <
549 >    
550   #ifdef IS_MPI    
551      // Since the globalGroupMembership has been zero filled and we've only
552      // poked values into the atoms we know, we can do an Allreduce
# Line 597 | Line 556 | void SimCreator::setGlobalIndex(SimInfo *info) {
556      std::vector<int> tmpGroupMembership(nGlobalAtoms, 0);
557      MPI_Allreduce(&globalGroupMembership[0], &tmpGroupMembership[0], nGlobalAtoms,
558                    MPI_INT, MPI_SUM, MPI_COMM_WORLD);
559 <     info->setGlobalGroupMembership(tmpGroupMembership);
559 >    info->setGlobalGroupMembership(tmpGroupMembership);
560   #else
561      info->setGlobalGroupMembership(globalGroupMembership);
562   #endif
563 <
563 >    
564      //fill molMembership
565      std::vector<int> globalMolMembership(info->getNGlobalAtoms(), 0);
566      
567      for(mol = info->beginMolecule(mi); mol != NULL; mol = info->nextMolecule(mi)) {
568 <
569 <        for(atom = mol->beginAtom(ai); atom != NULL; atom = mol->nextAtom(ai)) {
570 <            globalMolMembership[atom->getGlobalIndex()] = mol->getGlobalIndex();
571 <        }
568 >      
569 >      for(atom = mol->beginAtom(ai); atom != NULL; atom = mol->nextAtom(ai)) {
570 >        globalMolMembership[atom->getGlobalIndex()] = mol->getGlobalIndex();
571 >      }
572      }
573 <
573 >    
574   #ifdef IS_MPI
575      std::vector<int> tmpMolMembership(nGlobalAtoms, 0);
576 <
576 >    
577      MPI_Allreduce(&globalMolMembership[0], &tmpMolMembership[0], nGlobalAtoms,
578                    MPI_INT, MPI_SUM, MPI_COMM_WORLD);
579      
# Line 622 | Line 581 | void SimCreator::setGlobalIndex(SimInfo *info) {
581   #else
582      info->setGlobalMolMembership(globalMolMembership);
583   #endif
584 <
585 < }
586 <
587 < void SimCreator::loadCoordinates(SimInfo* info) {
584 >    
585 >  }
586 >  
587 >  void SimCreator::loadCoordinates(SimInfo* info) {
588      Globals* simParams;
589      simParams = info->getSimParams();
590      
591      if (!simParams->haveInitialConfig()) {
592 <        sprintf(painCave.errMsg,
593 <                "Cannot intialize a simulation without an initial configuration file.\n");
594 <        painCave.isFatal = 1;;
595 <        simError();
592 >      sprintf(painCave.errMsg,
593 >              "Cannot intialize a simulation without an initial configuration file.\n");
594 >      painCave.isFatal = 1;;
595 >      simError();
596      }
597 <        
597 >    
598      DumpReader reader(info, simParams->getInitialConfig());
599      int nframes = reader.getNFrames();
600 <
600 >    
601      if (nframes > 0) {
602 <        reader.readFrame(nframes - 1);
602 >      reader.readFrame(nframes - 1);
603      } else {
604 <        //invalid initial coordinate file
605 <        sprintf(painCave.errMsg, "Initial configuration file %s should at least contain one frame\n",
606 <                simParams->getInitialConfig());
607 <        painCave.isFatal = 1;
608 <        simError();
604 >      //invalid initial coordinate file
605 >      sprintf(painCave.errMsg,
606 >              "Initial configuration file %s should at least contain one frame\n",
607 >              simParams->getInitialConfig());
608 >      painCave.isFatal = 1;
609 >      simError();
610      }
611 <
611 >    
612      //copy the current snapshot to previous snapshot
613      info->getSnapshotManager()->advance();
614 < }
615 <
614 >  }
615 >  
616   } //end namespace oopse
617  
618  

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