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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 2101 by chrisfen, Thu Mar 10 15:10:24 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, bool loadInitCoords) {
100 +    
101      MakeStamps * stamps = new MakeStamps();
102 <
102 >    
103      Globals * simParams = new Globals();
104 <
104 >    
105      //parse meta-data file
106      parseFile(mdFileName, stamps, simParams);
107 <
107 >    
108      //create the force field
109      ForceField * ff = ForceFieldFactory::getInstance()->createForceField(
110 <                          simParams->getForceField());
110 >                                                                         simParams->getForceField());
111      
112      if (ff == NULL) {
113 <        sprintf(painCave.errMsg, "ForceField Factory can not create %s force field\n",
114 <                simParams->getForceField());
115 <        painCave.isFatal = 1;
116 <        simError();
113 >      sprintf(painCave.errMsg, "ForceField Factory can not create %s force field\n",
114 >              simParams->getForceField());
115 >      painCave.isFatal = 1;
116 >      simError();
117      }
118 <
118 >    
119      if (simParams->haveForceFieldFileName()) {
120 <        ff->setForceFieldFileName(simParams->getForceFieldFileName());
120 >      ff->setForceFieldFileName(simParams->getForceFieldFileName());
121      }
122      
123      std::string forcefieldFileName;
124      forcefieldFileName = ff->getForceFieldFileName();
125 <
125 >    
126      if (simParams->haveForceFieldVariant()) {
127 <        //If the force field has variant, the variant force field name will be
128 <        //Base.variant.frc. For exampel EAM.u6.frc
129 <        
130 <        std::string variant = simParams->getForceFieldVariant();
131 <
132 <        std::string::size_type pos = forcefieldFileName.rfind(".frc");
133 <        variant = "." + variant;
134 <        if (pos != std::string::npos) {
135 <            forcefieldFileName.insert(pos, variant);
136 <        } else {
137 <            //If the default force field file name does not containt .frc suffix, just append the .variant
138 <            forcefieldFileName.append(variant);
139 <        }
127 >      //If the force field has variant, the variant force field name will be
128 >      //Base.variant.frc. For exampel EAM.u6.frc
129 >      
130 >      std::string variant = simParams->getForceFieldVariant();
131 >      
132 >      std::string::size_type pos = forcefieldFileName.rfind(".frc");
133 >      variant = "." + variant;
134 >      if (pos != std::string::npos) {
135 >        forcefieldFileName.insert(pos, variant);
136 >      } else {
137 >        //If the default force field file name does not containt .frc suffix, just append the .variant
138 >        forcefieldFileName.append(variant);
139 >      }
140      }
141      
142      ff->parse(forcefieldFileName);
# Line 144 | Line 144 | SimInfo*  SimCreator::createSim(const std::string & md
144      //extract the molecule stamps
145      std::vector < std::pair<MoleculeStamp *, int> > moleculeStampPairs;
146      compList(stamps, simParams, moleculeStampPairs);
147 <
147 >    
148      //create SimInfo
149      SimInfo * info = new SimInfo(moleculeStampPairs, ff, simParams);
150 <
150 >    
151      //gather parameters (SimCreator only retrieves part of the parameters)
152      gatherParameters(info, mdFileName);
153 <
153 >    
154      //divide the molecules and determine the global index of molecules
155   #ifdef IS_MPI
156      divideMolecules(info);
157   #endif
158 <
158 >    
159      //create the molecules
160      createMolecules(info);
161 <
162 <
161 >    
162 >    
163      //allocate memory for DataStorage(circular reference, need to break it)
164      info->setSnapshotManager(new SimSnapshotManager(info));
165      
# Line 167 | Line 167 | SimInfo*  SimCreator::createSim(const std::string & md
167      //global index will never change again). Local indices of atoms and rigidbodies are already set by
168      //MoleculeCreator class which actually delegates the responsibility to LocalIndexManager.
169      setGlobalIndex(info);
170 <
170 >    
171      //Alought addExculdePairs is called inside SimInfo's addMolecule method, at that point
172      //atoms don't have the global index yet  (their global index are all initialized to -1).
173      //Therefore we have to call addExcludePairs explicitly here. A way to work around is that
# Line 175 | Line 175 | SimInfo*  SimCreator::createSim(const std::string & md
175      SimInfo::MoleculeIterator mi;
176      Molecule* mol;
177      for (mol= info->beginMolecule(mi); mol != NULL; mol = info->nextMolecule(mi)) {
178 <        info->addExcludePairs(mol);
178 >      info->addExcludePairs(mol);
179      }
180      
181 <
181 >    
182      //load initial coordinates, some extra information are pushed into SimInfo's property map ( such as
183      //eta, chi for NPT integrator)
184      if (loadInitCoords)
185 <        loadCoordinates(info);    
185 >      loadCoordinates(info);    
186      
187      return info;
188 < }
189 <
190 < void SimCreator::gatherParameters(SimInfo *info, const std::string& mdfile) {
191 <
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 <
188 >  }
189 >  
190 >  void SimCreator::gatherParameters(SimInfo *info, const std::string& mdfile) {
191 >    
192      //figure out the ouput file names
193      std::string prefix;
194 <
194 >    
195   #ifdef IS_MPI
196 <
196 >    
197      if (worldRank == 0) {
198   #endif // is_mpi
199 <
200 <        if (simParams->haveFinalConfig()) {
201 <            prefix = getPrefix(simParams->getFinalConfig());
202 <        } else {
203 <            prefix = getPrefix(mdfile);
204 <        }
205 <
206 <        info->setFinalConfigFileName(prefix + ".eor");
207 <        info->setDumpFileName(prefix + ".dump");
208 <        info->setStatFileName(prefix + ".stat");
209 <
199 >      Globals * simParams = info->getSimParams();
200 >      if (simParams->haveFinalConfig()) {
201 >        prefix = getPrefix(simParams->getFinalConfig());
202 >      } else {
203 >        prefix = getPrefix(mdfile);
204 >      }
205 >      
206 >      info->setFinalConfigFileName(prefix + ".eor");
207 >      info->setDumpFileName(prefix + ".dump");
208 >      info->setStatFileName(prefix + ".stat");
209 >      info->setRestFileName(prefix + ".zang");
210 >      
211   #ifdef IS_MPI
212 <
212 >      
213      }
214 <
214 >    
215   #endif
216 <
217 < }
218 <
216 >    
217 >  }
218 >  
219   #ifdef IS_MPI
220 < void SimCreator::divideMolecules(SimInfo *info) {
220 >  void SimCreator::divideMolecules(SimInfo *info) {
221      double numerator;
222      double denominator;
223      double precast;
# Line 287 | Line 235 | void SimCreator::divideMolecules(SimInfo *info) {
235      int which_proc;
236      int nProcessors;
237      std::vector<int> atomsPerProc;
290    randomSPRNG myRandom(info->getSeed());
238      int nGlobalMols = info->getNGlobalMolecules();
239      std::vector<int> molToProcMap(nGlobalMols, -1); // default to an error condition:
240      
241      MPI_Comm_size(MPI_COMM_WORLD, &nProcessors);
242 <
242 >    
243      if (nProcessors > nGlobalMols) {
244 <        sprintf(painCave.errMsg,
245 <                "nProcessors (%d) > nMol (%d)\n"
246 <                    "\tThe number of processors is larger than\n"
247 <                    "\tthe number of molecules.  This will not result in a \n"
248 <                    "\tusable division of atoms for force decomposition.\n"
249 <                    "\tEither try a smaller number of processors, or run the\n"
250 <                    "\tsingle-processor version of OOPSE.\n", nProcessors, nGlobalMols);
251 <
252 <        painCave.isFatal = 1;
253 <        simError();
244 >      sprintf(painCave.errMsg,
245 >              "nProcessors (%d) > nMol (%d)\n"
246 >              "\tThe number of processors is larger than\n"
247 >              "\tthe number of molecules.  This will not result in a \n"
248 >              "\tusable division of atoms for force decomposition.\n"
249 >              "\tEither try a smaller number of processors, or run the\n"
250 >              "\tsingle-processor version of OOPSE.\n", nProcessors, nGlobalMols);
251 >      
252 >      painCave.isFatal = 1;
253 >      simError();
254      }
255 <
255 >    
256 >    int seedValue;
257 >    Globals * simParams = info->getSimParams();
258 >    SeqRandNumGen* myRandom; //divide labor does not need Parallel random number generator
259 >    if (simParams->haveSeed()) {
260 >      seedValue = simParams->getSeed();
261 >      myRandom = new SeqRandNumGen(seedValue);
262 >    }else {
263 >      myRandom = new SeqRandNumGen();
264 >    }  
265 >    
266 >    
267      a = 3.0 * nGlobalMols / info->getNGlobalAtoms();
268 <
268 >    
269      //initialize atomsPerProc
270      atomsPerProc.insert(atomsPerProc.end(), nProcessors, 0);
271 <
271 >    
272      if (worldRank == 0) {
273 <        numerator = info->getNGlobalAtoms();
274 <        denominator = nProcessors;
275 <        precast = numerator / denominator;
276 <        nTarget = (int)(precast + 0.5);
277 <
278 <        for(i = 0; i < nGlobalMols; i++) {
279 <            done = 0;
280 <            loops = 0;
281 <
282 <            while (!done) {
283 <                loops++;
284 <
285 <                // Pick a processor at random
286 <
287 <                which_proc = (int) (myRandom.getRandom() * nProcessors);
288 <
289 <                //get the molecule stamp first
290 <                int stampId = info->getMoleculeStampId(i);
291 <                MoleculeStamp * moleculeStamp = info->getMoleculeStamp(stampId);
292 <
293 <                // How many atoms does this processor have so far?
294 <                old_atoms = atomsPerProc[which_proc];
295 <                add_atoms = moleculeStamp->getNAtoms();
296 <                new_atoms = old_atoms + add_atoms;
297 <
298 <                // If we've been through this loop too many times, we need
299 <                // to just give up and assign the molecule to this processor
300 <                // and be done with it.
301 <
302 <                if (loops > 100) {
303 <                    sprintf(painCave.errMsg,
304 <                            "I've tried 100 times to assign molecule %d to a "
305 <                                " processor, but can't find a good spot.\n"
306 <                                "I'm assigning it at random to processor %d.\n",
307 <                            i, which_proc);
308 <
309 <                    painCave.isFatal = 0;
310 <                    simError();
311 <
312 <                    molToProcMap[i] = which_proc;
313 <                    atomsPerProc[which_proc] += add_atoms;
314 <
315 <                    done = 1;
316 <                    continue;
317 <                }
318 <
319 <                // If we can add this molecule to this processor without sending
320 <                // it above nTarget, then go ahead and do it:
321 <
322 <                if (new_atoms <= nTarget) {
323 <                    molToProcMap[i] = which_proc;
324 <                    atomsPerProc[which_proc] += add_atoms;
325 <
326 <                    done = 1;
327 <                    continue;
328 <                }
329 <
330 <                // The only situation left is when new_atoms > nTarget.  We
331 <                // want to accept this with some probability that dies off the
332 <                // farther we are from nTarget
333 <
334 <                // roughly:  x = new_atoms - nTarget
335 <                //           Pacc(x) = exp(- a * x)
336 <                // where a = penalty / (average atoms per molecule)
337 <
338 <                x = (double)(new_atoms - nTarget);
339 <                y = myRandom.getRandom();
340 <
341 <                if (y < exp(- a * x)) {
342 <                    molToProcMap[i] = which_proc;
343 <                    atomsPerProc[which_proc] += add_atoms;
344 <
345 <                    done = 1;
346 <                    continue;
347 <                } else {
348 <                    continue;
349 <                }
350 <            }
351 <        }
352 <
353 <        // Spray out this nonsense to all other processors:
354 <
355 <        MPI_Bcast(&molToProcMap[0], nGlobalMols, MPI_INT, 0, MPI_COMM_WORLD);
356 <    } else {
357 <
358 <        // Listen to your marching orders from processor 0:
359 <
360 <        MPI_Bcast(&molToProcMap[0], nGlobalMols, MPI_INT, 0, MPI_COMM_WORLD);
273 >      numerator = info->getNGlobalAtoms();
274 >      denominator = nProcessors;
275 >      precast = numerator / denominator;
276 >      nTarget = (int)(precast + 0.5);
277 >      
278 >      for(i = 0; i < nGlobalMols; i++) {
279 >        done = 0;
280 >        loops = 0;
281 >        
282 >        while (!done) {
283 >          loops++;
284 >          
285 >          // Pick a processor at random
286 >          
287 >          which_proc = (int) (myRandom->rand() * nProcessors);
288 >          
289 >          //get the molecule stamp first
290 >          int stampId = info->getMoleculeStampId(i);
291 >          MoleculeStamp * moleculeStamp = info->getMoleculeStamp(stampId);
292 >          
293 >          // How many atoms does this processor have so far?
294 >          old_atoms = atomsPerProc[which_proc];
295 >          add_atoms = moleculeStamp->getNAtoms();
296 >          new_atoms = old_atoms + add_atoms;
297 >          
298 >          // If we've been through this loop too many times, we need
299 >          // to just give up and assign the molecule to this processor
300 >          // and be done with it.
301 >          
302 >          if (loops > 100) {
303 >            sprintf(painCave.errMsg,
304 >                    "I've tried 100 times to assign molecule %d to a "
305 >                    " processor, but can't find a good spot.\n"
306 >                    "I'm assigning it at random to processor %d.\n",
307 >                    i, which_proc);
308 >            
309 >            painCave.isFatal = 0;
310 >            simError();
311 >            
312 >            molToProcMap[i] = which_proc;
313 >            atomsPerProc[which_proc] += add_atoms;
314 >            
315 >            done = 1;
316 >            continue;
317 >          }
318 >          
319 >          // If we can add this molecule to this processor without sending
320 >          // it above nTarget, then go ahead and do it:
321 >          
322 >          if (new_atoms <= nTarget) {
323 >            molToProcMap[i] = which_proc;
324 >            atomsPerProc[which_proc] += add_atoms;
325 >            
326 >            done = 1;
327 >            continue;
328 >          }
329 >          
330 >          // The only situation left is when new_atoms > nTarget.  We
331 >          // want to accept this with some probability that dies off the
332 >          // farther we are from nTarget
333 >          
334 >          // roughly:  x = new_atoms - nTarget
335 >          //           Pacc(x) = exp(- a * x)
336 >          // where a = penalty / (average atoms per molecule)
337 >          
338 >          x = (double)(new_atoms - nTarget);
339 >          y = myRandom->rand();
340 >          
341 >          if (y < exp(- a * x)) {
342 >            molToProcMap[i] = which_proc;
343 >            atomsPerProc[which_proc] += add_atoms;
344 >            
345 >            done = 1;
346 >            continue;
347 >          } else {
348 >            continue;
349 >          }
350 >        }
351 >      }
352 >      
353 >      delete myRandom;
354 >      
355 >      // Spray out this nonsense to all other processors:
356 >      
357 >      MPI_Bcast(&molToProcMap[0], nGlobalMols, MPI_INT, 0, MPI_COMM_WORLD);
358 >    } else {
359 >      
360 >      // Listen to your marching orders from processor 0:
361 >      
362 >      MPI_Bcast(&molToProcMap[0], nGlobalMols, MPI_INT, 0, MPI_COMM_WORLD);
363      }
364 <
364 >    
365      info->setMolToProcMap(molToProcMap);
366      sprintf(checkPointMsg,
367              "Successfully divided the molecules among the processors.\n");
368      MPIcheckPoint();
369 < }
370 <
369 >  }
370 >  
371   #endif
372 <
373 < void SimCreator::createMolecules(SimInfo *info) {
372 >  
373 >  void SimCreator::createMolecules(SimInfo *info) {
374      MoleculeCreator molCreator;
375      int stampId;
376 <
376 >    
377      for(int i = 0; i < info->getNGlobalMolecules(); i++) {
378 <
378 >      
379   #ifdef IS_MPI
380 <
381 <        if (info->getMolToProc(i) == worldRank) {
380 >      
381 >      if (info->getMolToProc(i) == worldRank) {
382   #endif
383 <
384 <            stampId = info->getMoleculeStampId(i);
385 <            Molecule * mol = molCreator.createMolecule(info->getForceField(), info->getMoleculeStamp(stampId),
386 <                                                                                    stampId, i, info->getLocalIndexManager());
387 <
388 <            info->addMolecule(mol);
389 <
383 >        
384 >        stampId = info->getMoleculeStampId(i);
385 >        Molecule * mol = molCreator.createMolecule(info->getForceField(), info->getMoleculeStamp(stampId),
386 >                                                   stampId, i, info->getLocalIndexManager());
387 >        
388 >        info->addMolecule(mol);
389 >        
390   #ifdef IS_MPI
391 <
392 <        }
393 <
391 >        
392 >      }
393 >      
394   #endif
395 <
395 >      
396      } //end for(int i=0)  
397 < }
398 <
399 < void SimCreator::compList(MakeStamps *stamps, Globals* simParams,
400 <                        std::vector < std::pair<MoleculeStamp *, int> > &moleculeStampPairs) {
397 >  }
398 >  
399 >  void SimCreator::compList(MakeStamps *stamps, Globals* simParams,
400 >                            std::vector < std::pair<MoleculeStamp *, int> > &moleculeStampPairs) {
401      int i;
402      char * id;
403 +    LinkedMolStamp* extractedStamp = NULL;
404      MoleculeStamp * currentStamp;
405      Component** the_components = simParams->getComponents();
406      int n_components = simParams->getNComponents();
407 <
407 >    
408      if (!simParams->haveNMol()) {
409 <        // we don't have the total number of molecules, so we assume it is
410 <        // given in each component
411 <
412 <        for(i = 0; i < n_components; i++) {
413 <            if (!the_components[i]->haveNMol()) {
414 <                // we have a problem
415 <                sprintf(painCave.errMsg,
416 <                        "SimCreator Error. No global NMol or component NMol given.\n"
417 <                            "\tCannot calculate the number of atoms.\n");
418 <
419 <                painCave.isFatal = 1;
420 <                simError();
421 <            }
422 <
423 <            id = the_components[i]->getType();
424 <            currentStamp = (stamps->extractMolStamp(id))->getStamp();
425 <
426 <            if (currentStamp == NULL) {
427 <                sprintf(painCave.errMsg,
428 <                        "SimCreator error: Component \"%s\" was not found in the "
429 <                            "list of declared molecules\n", id);
430 <
431 <                painCave.isFatal = 1;
432 <                simError();
433 <            }
434 <
435 <            moleculeStampPairs.push_back(
436 <                std::make_pair(currentStamp, the_components[i]->getNMol()));
437 <        } //end for (i = 0; i < n_components; i++)
409 >      // we don't have the total number of molecules, so we assume it is
410 >      // given in each component
411 >      
412 >      for(i = 0; i < n_components; i++) {
413 >        if (!the_components[i]->haveNMol()) {
414 >          // we have a problem
415 >          sprintf(painCave.errMsg,
416 >                  "SimCreator Error. No global NMol or component NMol given.\n"
417 >                  "\tCannot calculate the number of atoms.\n");
418 >          
419 >          painCave.isFatal = 1;
420 >          simError();
421 >        }
422 >        
423 >        id = the_components[i]->getType();
424 >        
425 >        extractedStamp = stamps->extractMolStamp(id);
426 >        if (extractedStamp == NULL) {
427 >          sprintf(painCave.errMsg,
428 >                  "SimCreator error: Component \"%s\" was not found in the "
429 >                  "list of declared molecules\n", id);
430 >          
431 >          painCave.isFatal = 1;
432 >          simError();
433 >        }
434 >        
435 >        currentStamp = extractedStamp->getStamp();
436 >        
437 >        
438 >        moleculeStampPairs.push_back(
439 >                                     std::make_pair(currentStamp, the_components[i]->getNMol()));
440 >      } //end for (i = 0; i < n_components; i++)
441      } else {
442 <        sprintf(painCave.errMsg, "SimSetup error.\n"
443 <                                     "\tSorry, the ability to specify total"
444 <                                     " nMols and then give molfractions in the components\n"
445 <                                     "\tis not currently supported."
446 <                                     " Please give nMol in the components.\n");
447 <
448 <        painCave.isFatal = 1;
449 <        simError();
450 <    }
451 <
442 >      sprintf(painCave.errMsg, "SimSetup error.\n"
443 >              "\tSorry, the ability to specify total"
444 >              " nMols and then give molfractions in the components\n"
445 >              "\tis not currently supported."
446 >              " Please give nMol in the components.\n");
447 >      
448 >      painCave.isFatal = 1;
449 >      simError();
450 >    }
451 >    
452   #ifdef IS_MPI
453 <
453 >    
454      strcpy(checkPointMsg, "Component stamps successfully extracted\n");
455      MPIcheckPoint();
456 <
456 >    
457   #endif // is_mpi
458 <
459 < }
460 <
461 < void SimCreator::setGlobalIndex(SimInfo *info) {
458 >    
459 >  }
460 >  
461 >  void SimCreator::setGlobalIndex(SimInfo *info) {
462      SimInfo::MoleculeIterator mi;
463      Molecule::AtomIterator ai;
464      Molecule::RigidBodyIterator ri;
# Line 509 | Line 473 | void SimCreator::setGlobalIndex(SimInfo *info) {
473      int nGlobalAtoms = info->getNGlobalAtoms();
474      
475   #ifndef IS_MPI
476 <
476 >    
477      beginAtomIndex = 0;
478      beginRigidBodyIndex = 0;
479      beginCutoffGroupIndex = 0;
480 <
480 >    
481   #else
482 <
482 >    
483      int nproc;
484      int myNode;
485 <
485 >    
486      myNode = worldRank;
487      MPI_Comm_size(MPI_COMM_WORLD, &nproc);
488 <
488 >    
489      std::vector < int > tmpAtomsInProc(nproc, 0);
490      std::vector < int > tmpRigidBodiesInProc(nproc, 0);
491      std::vector < int > tmpCutoffGroupsInProc(nproc, 0);
492      std::vector < int > NumAtomsInProc(nproc, 0);
493      std::vector < int > NumRigidBodiesInProc(nproc, 0);
494      std::vector < int > NumCutoffGroupsInProc(nproc, 0);
495 <
495 >    
496      tmpAtomsInProc[myNode] = info->getNAtoms();
497      tmpRigidBodiesInProc[myNode] = info->getNRigidBodies();
498      tmpCutoffGroupsInProc[myNode] = info->getNCutoffGroups();
499 <
499 >    
500      //do MPI_ALLREDUCE to exchange the total number of atoms, rigidbodies and cutoff groups
501      MPI_Allreduce(&tmpAtomsInProc[0], &NumAtomsInProc[0], nproc, MPI_INT,
502                    MPI_SUM, MPI_COMM_WORLD);
# Line 540 | Line 504 | void SimCreator::setGlobalIndex(SimInfo *info) {
504                    MPI_INT, MPI_SUM, MPI_COMM_WORLD);
505      MPI_Allreduce(&tmpCutoffGroupsInProc[0], &NumCutoffGroupsInProc[0], nproc,
506                    MPI_INT, MPI_SUM, MPI_COMM_WORLD);
507 <
507 >    
508      beginAtomIndex = 0;
509      beginRigidBodyIndex = 0;
510      beginCutoffGroupIndex = 0;
511 <
511 >    
512      for(int i = 0; i < myNode; i++) {
513 <        beginAtomIndex += NumAtomsInProc[i];
514 <        beginRigidBodyIndex += NumRigidBodiesInProc[i];
515 <        beginCutoffGroupIndex += NumCutoffGroupsInProc[i];
513 >      beginAtomIndex += NumAtomsInProc[i];
514 >      beginRigidBodyIndex += NumRigidBodiesInProc[i];
515 >      beginCutoffGroupIndex += NumCutoffGroupsInProc[i];
516      }
517 <
517 >    
518   #endif
519 <
519 >    
520      //rigidbody's index begins right after atom's
521      beginRigidBodyIndex += info->getNGlobalAtoms();
522 <
522 >    
523      for(mol = info->beginMolecule(mi); mol != NULL;
524          mol = info->nextMolecule(mi)) {
525 <
526 <        //local index(index in DataStorge) of atom is important
527 <        for(atom = mol->beginAtom(ai); atom != NULL; atom = mol->nextAtom(ai)) {
528 <            atom->setGlobalIndex(beginAtomIndex++);
529 <        }
530 <
531 <        for(rb = mol->beginRigidBody(ri); rb != NULL;
532 <            rb = mol->nextRigidBody(ri)) {
533 <            rb->setGlobalIndex(beginRigidBodyIndex++);
534 <        }
535 <
536 <        //local index of cutoff group is trivial, it only depends on the order of travesing
537 <        for(cg = mol->beginCutoffGroup(ci); cg != NULL;
538 <            cg = mol->nextCutoffGroup(ci)) {
539 <            cg->setGlobalIndex(beginCutoffGroupIndex++);
540 <        }
525 >      
526 >      //local index(index in DataStorge) of atom is important
527 >      for(atom = mol->beginAtom(ai); atom != NULL; atom = mol->nextAtom(ai)) {
528 >        atom->setGlobalIndex(beginAtomIndex++);
529 >      }
530 >      
531 >      for(rb = mol->beginRigidBody(ri); rb != NULL;
532 >          rb = mol->nextRigidBody(ri)) {
533 >        rb->setGlobalIndex(beginRigidBodyIndex++);
534 >      }
535 >      
536 >      //local index of cutoff group is trivial, it only depends on the order of travesing
537 >      for(cg = mol->beginCutoffGroup(ci); cg != NULL;
538 >          cg = mol->nextCutoffGroup(ci)) {
539 >        cg->setGlobalIndex(beginCutoffGroupIndex++);
540 >      }
541      }
542 <
542 >    
543      //fill globalGroupMembership
544      std::vector<int> globalGroupMembership(info->getNGlobalAtoms(), 0);
545      for(mol = info->beginMolecule(mi); mol != NULL; mol = info->nextMolecule(mi)) {        
546 <        for (cg = mol->beginCutoffGroup(ci); cg != NULL; cg = mol->nextCutoffGroup(ci)) {
547 <
548 <            for(atom = cg->beginAtom(ai); atom != NULL; atom = cg->nextAtom(ai)) {
549 <                globalGroupMembership[atom->getGlobalIndex()] = cg->getGlobalIndex();
550 <            }
551 <
552 <        }      
546 >      for (cg = mol->beginCutoffGroup(ci); cg != NULL; cg = mol->nextCutoffGroup(ci)) {
547 >        
548 >        for(atom = cg->beginAtom(ai); atom != NULL; atom = cg->nextAtom(ai)) {
549 >          globalGroupMembership[atom->getGlobalIndex()] = cg->getGlobalIndex();
550 >        }
551 >        
552 >      }      
553      }
554 <
554 >    
555   #ifdef IS_MPI    
556      // Since the globalGroupMembership has been zero filled and we've only
557      // poked values into the atoms we know, we can do an Allreduce
# Line 597 | Line 561 | void SimCreator::setGlobalIndex(SimInfo *info) {
561      std::vector<int> tmpGroupMembership(nGlobalAtoms, 0);
562      MPI_Allreduce(&globalGroupMembership[0], &tmpGroupMembership[0], nGlobalAtoms,
563                    MPI_INT, MPI_SUM, MPI_COMM_WORLD);
564 <     info->setGlobalGroupMembership(tmpGroupMembership);
564 >    info->setGlobalGroupMembership(tmpGroupMembership);
565   #else
566      info->setGlobalGroupMembership(globalGroupMembership);
567   #endif
568 <
568 >    
569      //fill molMembership
570      std::vector<int> globalMolMembership(info->getNGlobalAtoms(), 0);
571      
572      for(mol = info->beginMolecule(mi); mol != NULL; mol = info->nextMolecule(mi)) {
573 <
574 <        for(atom = mol->beginAtom(ai); atom != NULL; atom = mol->nextAtom(ai)) {
575 <            globalMolMembership[atom->getGlobalIndex()] = mol->getGlobalIndex();
576 <        }
573 >      
574 >      for(atom = mol->beginAtom(ai); atom != NULL; atom = mol->nextAtom(ai)) {
575 >        globalMolMembership[atom->getGlobalIndex()] = mol->getGlobalIndex();
576 >      }
577      }
578 <
578 >    
579   #ifdef IS_MPI
580      std::vector<int> tmpMolMembership(nGlobalAtoms, 0);
581 <
581 >    
582      MPI_Allreduce(&globalMolMembership[0], &tmpMolMembership[0], nGlobalAtoms,
583                    MPI_INT, MPI_SUM, MPI_COMM_WORLD);
584      
# Line 622 | Line 586 | void SimCreator::setGlobalIndex(SimInfo *info) {
586   #else
587      info->setGlobalMolMembership(globalMolMembership);
588   #endif
589 <
590 < }
591 <
592 < void SimCreator::loadCoordinates(SimInfo* info) {
589 >    
590 >  }
591 >  
592 >  void SimCreator::loadCoordinates(SimInfo* info) {
593      Globals* simParams;
594      simParams = info->getSimParams();
595      
596      if (!simParams->haveInitialConfig()) {
597 <        sprintf(painCave.errMsg,
598 <                "Cannot intialize a simulation without an initial configuration file.\n");
599 <        painCave.isFatal = 1;;
600 <        simError();
597 >      sprintf(painCave.errMsg,
598 >              "Cannot intialize a simulation without an initial configuration file.\n");
599 >      painCave.isFatal = 1;;
600 >      simError();
601      }
602 <        
602 >    
603      DumpReader reader(info, simParams->getInitialConfig());
604      int nframes = reader.getNFrames();
605 <
605 >    
606      if (nframes > 0) {
607 <        reader.readFrame(nframes - 1);
607 >      reader.readFrame(nframes - 1);
608      } else {
609 <        //invalid initial coordinate file
610 <        sprintf(painCave.errMsg, "Initial configuration file %s should at least contain one frame\n",
611 <                simParams->getInitialConfig());
612 <        painCave.isFatal = 1;
613 <        simError();
609 >      //invalid initial coordinate file
610 >      sprintf(painCave.errMsg,
611 >              "Initial configuration file %s should at least contain one frame\n",
612 >              simParams->getInitialConfig());
613 >      painCave.isFatal = 1;
614 >      simError();
615      }
616 <
616 >    
617      //copy the current snapshot to previous snapshot
618      info->getSnapshotManager()->advance();
619 < }
620 <
619 >  }
620 >  
621   } //end namespace oopse
622  
623  

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