ViewVC Help
View File | Revision Log | Show Annotations | View Changeset | Root Listing
root/OpenMD/branches/development/src/io/DumpWriter.cpp
Revision: 1665
Committed: Tue Nov 22 20:38:56 2011 UTC (13 years, 5 months ago) by gezelter
File size: 16366 byte(s)
Log Message:
updated copyright notices

File Contents

# User Rev Content
1 gezelter 507 /*
2 gezelter 1390 * Copyright (c) 2009 The University of Notre Dame. All Rights Reserved.
3 gezelter 246 *
4     * The University of Notre Dame grants you ("Licensee") a
5     * non-exclusive, royalty free, license to use, modify and
6     * redistribute this software in source and binary code form, provided
7     * that the following conditions are met:
8     *
9 gezelter 1390 * 1. Redistributions of source code must retain the above copyright
10 gezelter 246 * notice, this list of conditions and the following disclaimer.
11     *
12 gezelter 1390 * 2. Redistributions in binary form must reproduce the above copyright
13 gezelter 246 * notice, this list of conditions and the following disclaimer in the
14     * documentation and/or other materials provided with the
15     * distribution.
16     *
17     * This software is provided "AS IS," without a warranty of any
18     * kind. All express or implied conditions, representations and
19     * warranties, including any implied warranty of merchantability,
20     * fitness for a particular purpose or non-infringement, are hereby
21     * excluded. The University of Notre Dame and its licensors shall not
22     * be liable for any damages suffered by licensee as a result of
23     * using, modifying or distributing the software or its
24     * derivatives. In no event will the University of Notre Dame or its
25     * licensors be liable for any lost revenue, profit or data, or for
26     * direct, indirect, special, consequential, incidental or punitive
27     * damages, however caused and regardless of the theory of liability,
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 gezelter 1390 *
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 gezelter 1665 * [4] Kuang & Gezelter, J. Chem. Phys. 133, 164101 (2010).
40     * [5] Vardeman, Stocker & Gezelter, J. Chem. Theory Comput. 7, 834 (2011).
41 gezelter 246 */
42    
43     #include "io/DumpWriter.hpp"
44     #include "primitives/Molecule.hpp"
45     #include "utils/simError.h"
46 tim 376 #include "io/basic_teebuf.hpp"
47 tim 615 #include "io/gzstream.hpp"
48     #include "io/Globals.hpp"
49    
50 gezelter 1437
51 gezelter 2 #ifdef IS_MPI
52     #include <mpi.h>
53 gezelter 246 #endif //is_mpi
54 gezelter 2
55 gezelter 1437 using namespace std;
56 gezelter 1390 namespace OpenMD {
57 gezelter 2
58 gezelter 507 DumpWriter::DumpWriter(SimInfo* info)
59     : info_(info), filename_(info->getDumpFileName()), eorFilename_(info->getFinalConfigFileName()){
60 tim 615
61     Globals* simParams = info->getSimParams();
62     needCompression_ = simParams->getCompressDumpFile();
63 chrisfen 726 needForceVector_ = simParams->getOutputForceVector();
64 gezelter 1629 needParticlePot_ = simParams->getOutputParticlePotential();
65 chuckv 791 createDumpFile_ = true;
66 tim 619 #ifdef HAVE_LIBZ
67 tim 615 if (needCompression_) {
68 tim 1024 filename_ += ".gz";
69     eorFilename_ += ".gz";
70 tim 615 }
71 tim 619 #endif
72 tim 615
73 tim 376 #ifdef IS_MPI
74    
75 tim 1024 if (worldRank == 0) {
76 tim 376 #endif // is_mpi
77 chuckv 791
78 tim 1024 dumpFile_ = createOStream(filename_);
79 tim 615
80 tim 1024 if (!dumpFile_) {
81     sprintf(painCave.errMsg, "Could not open \"%s\" for dump output.\n",
82     filename_.c_str());
83     painCave.isFatal = 1;
84     simError();
85     }
86 tim 376
87     #ifdef IS_MPI
88    
89 tim 1024 }
90 tim 376
91     #endif // is_mpi
92    
93 tim 1024 }
94 tim 376
95    
96 gezelter 507 DumpWriter::DumpWriter(SimInfo* info, const std::string& filename)
97     : info_(info), filename_(filename){
98 tim 615
99     Globals* simParams = info->getSimParams();
100     eorFilename_ = filename_.substr(0, filename_.rfind(".")) + ".eor";
101    
102     needCompression_ = simParams->getCompressDumpFile();
103 chrisfen 726 needForceVector_ = simParams->getOutputForceVector();
104 chuckv 791 createDumpFile_ = true;
105 tim 619 #ifdef HAVE_LIBZ
106 tim 615 if (needCompression_) {
107 tim 1024 filename_ += ".gz";
108     eorFilename_ += ".gz";
109 tim 615 }
110 tim 619 #endif
111 tim 615
112 gezelter 246 #ifdef IS_MPI
113 gezelter 2
114 tim 1024 if (worldRank == 0) {
115 gezelter 246 #endif // is_mpi
116 gezelter 2
117 chuckv 791
118 tim 1024 dumpFile_ = createOStream(filename_);
119 tim 615
120 tim 1024 if (!dumpFile_) {
121     sprintf(painCave.errMsg, "Could not open \"%s\" for dump output.\n",
122     filename_.c_str());
123     painCave.isFatal = 1;
124     simError();
125     }
126 gezelter 2
127     #ifdef IS_MPI
128    
129 tim 1024 }
130 gezelter 2
131     #endif // is_mpi
132 gezelter 246
133 tim 1024 }
134 chuckv 791
135     DumpWriter::DumpWriter(SimInfo* info, const std::string& filename, bool writeDumpFile)
136 tim 1024 : info_(info), filename_(filename){
137 chuckv 791
138     Globals* simParams = info->getSimParams();
139     eorFilename_ = filename_.substr(0, filename_.rfind(".")) + ".eor";
140    
141     needCompression_ = simParams->getCompressDumpFile();
142     needForceVector_ = simParams->getOutputForceVector();
143 gezelter 1629 needParticlePot_ = simParams->getOutputParticlePotential();
144 chuckv 791
145     #ifdef HAVE_LIBZ
146     if (needCompression_) {
147     filename_ += ".gz";
148     eorFilename_ += ".gz";
149     }
150     #endif
151    
152     #ifdef IS_MPI
153    
154     if (worldRank == 0) {
155     #endif // is_mpi
156    
157     createDumpFile_ = writeDumpFile;
158     if (createDumpFile_) {
159     dumpFile_ = createOStream(filename_);
160    
161     if (!dumpFile_) {
162     sprintf(painCave.errMsg, "Could not open \"%s\" for dump output.\n",
163     filename_.c_str());
164     painCave.isFatal = 1;
165     simError();
166     }
167     }
168     #ifdef IS_MPI
169    
170     }
171 tim 1024
172 chuckv 791
173     #endif // is_mpi
174    
175     }
176 gezelter 2
177 gezelter 507 DumpWriter::~DumpWriter() {
178 gezelter 2
179     #ifdef IS_MPI
180 gezelter 246
181     if (worldRank == 0) {
182 gezelter 2 #endif // is_mpi
183 chuckv 791 if (createDumpFile_){
184 tim 1024 writeClosing(*dumpFile_);
185 chuckv 791 delete dumpFile_;
186     }
187 gezelter 2 #ifdef IS_MPI
188 gezelter 246
189     }
190    
191 gezelter 2 #endif // is_mpi
192 gezelter 246
193 gezelter 507 }
194 gezelter 2
195 tim 1024 void DumpWriter::writeFrameProperties(std::ostream& os, Snapshot* s) {
196 gezelter 2
197 tim 1024 char buffer[1024];
198    
199     os << " <FrameData>\n";
200    
201     RealType currentTime = s->getTime();
202 gezelter 1437
203     if (isinf(currentTime) || isnan(currentTime)) {
204     sprintf( painCave.errMsg,
205     "DumpWriter detected a numerical error writing the time");
206     painCave.isFatal = 1;
207     simError();
208     }
209    
210 gezelter 1025 sprintf(buffer, " Time: %.10g\n", currentTime);
211 tim 1024 os << buffer;
212    
213 gezelter 246 Mat3x3d hmat;
214     hmat = s->getHmat();
215 gezelter 1437
216     for (unsigned int i = 0; i < 3; i++) {
217     for (unsigned int j = 0; j < 3; j++) {
218     if (isinf(hmat(i,j)) || isnan(hmat(i,j))) {
219     sprintf( painCave.errMsg,
220     "DumpWriter detected a numerical error writing the box");
221     painCave.isFatal = 1;
222     simError();
223     }
224     }
225     }
226    
227 tim 1024 sprintf(buffer, " Hmat: {{ %.10g, %.10g, %.10g }, { %.10g, %.10g, %.10g }, { %.10g, %.10g, %.10g }}\n",
228     hmat(0, 0), hmat(1, 0), hmat(2, 0),
229     hmat(0, 1), hmat(1, 1), hmat(2, 1),
230     hmat(0, 2), hmat(1, 2), hmat(2, 2));
231     os << buffer;
232 gezelter 2
233 tim 1024 RealType chi = s->getChi();
234     RealType integralOfChiDt = s->getIntegralOfChiDt();
235 gezelter 1437 if (isinf(chi) || isnan(chi) ||
236     isinf(integralOfChiDt) || isnan(integralOfChiDt)) {
237     sprintf( painCave.errMsg,
238     "DumpWriter detected a numerical error writing the thermostat");
239     painCave.isFatal = 1;
240     simError();
241     }
242 tim 1024 sprintf(buffer, " Thermostat: %.10g , %.10g\n", chi, integralOfChiDt);
243     os << buffer;
244 gezelter 246
245 tim 1024 Mat3x3d eta;
246     eta = s->getEta();
247 gezelter 1437
248     for (unsigned int i = 0; i < 3; i++) {
249     for (unsigned int j = 0; j < 3; j++) {
250     if (isinf(eta(i,j)) || isnan(eta(i,j))) {
251     sprintf( painCave.errMsg,
252     "DumpWriter detected a numerical error writing the barostat");
253     painCave.isFatal = 1;
254     simError();
255     }
256     }
257     }
258    
259 tim 1024 sprintf(buffer, " Barostat: {{ %.10g, %.10g, %.10g }, { %.10g, %.10g, %.10g }, { %.10g, %.10g, %.10g }}\n",
260     eta(0, 0), eta(1, 0), eta(2, 0),
261     eta(0, 1), eta(1, 1), eta(2, 1),
262     eta(0, 2), eta(1, 2), eta(2, 2));
263     os << buffer;
264 gezelter 246
265 tim 1024 os << " </FrameData>\n";
266 gezelter 507 }
267 gezelter 2
268 gezelter 507 void DumpWriter::writeFrame(std::ostream& os) {
269 gezelter 246
270 tim 1024 #ifdef IS_MPI
271     MPI_Status istatus;
272     #endif
273 gezelter 246
274     Molecule* mol;
275     StuntDouble* integrableObject;
276     SimInfo::MoleculeIterator mi;
277     Molecule::IntegrableObjectIterator ii;
278 gezelter 2
279 gezelter 246 #ifndef IS_MPI
280 tim 1024 os << " <Snapshot>\n";
281 gezelter 1025
282 tim 1024 writeFrameProperties(os, info_->getSnapshotManager()->getCurrentSnapshot());
283 gezelter 2
284 tim 1024 os << " <StuntDoubles>\n";
285 gezelter 246 for (mol = info_->beginMolecule(mi); mol != NULL; mol = info_->nextMolecule(mi)) {
286 gezelter 2
287 xsun 1217
288     for (integrableObject = mol->beginIntegrableObject(ii); integrableObject != NULL;
289 tim 1024 integrableObject = mol->nextIntegrableObject(ii)) {
290 xsun 1217 os << prepareDumpLine(integrableObject);
291    
292 tim 1024 }
293     }
294     os << " </StuntDoubles>\n";
295 xsun 1217
296 tim 1024 os << " </Snapshot>\n";
297 gezelter 2
298 tim 1024 os.flush();
299     #else
300     //every node prepares the dump lines for integrable objects belong to itself
301     std::string buffer;
302     for (mol = info_->beginMolecule(mi); mol != NULL; mol = info_->nextMolecule(mi)) {
303 xsun 1217
304    
305 tim 1024 for (integrableObject = mol->beginIntegrableObject(ii); integrableObject != NULL;
306     integrableObject = mol->nextIntegrableObject(ii)) {
307 xsun 1217 buffer += prepareDumpLine(integrableObject);
308 gezelter 507 }
309 gezelter 2 }
310 tim 1024
311 gezelter 246 const int masterNode = 0;
312 gezelter 1629 int nProc;
313     MPI_Comm_size(MPI_COMM_WORLD, &nProc);
314 tim 1024 if (worldRank == masterNode) {
315     os << " <Snapshot>\n";
316     writeFrameProperties(os, info_->getSnapshotManager()->getCurrentSnapshot());
317     os << " <StuntDoubles>\n";
318    
319 gezelter 1025 os << buffer;
320    
321 tim 1024 for (int i = 1; i < nProc; ++i) {
322 gezelter 2
323 tim 1024 // receive the length of the string buffer that was
324     // prepared by processor i
325 gezelter 2
326 gezelter 1629 MPI_Bcast(&i, 1, MPI_INT,masterNode,MPI_COMM_WORLD);
327 tim 1024 int recvLength;
328     MPI_Recv(&recvLength, 1, MPI_INT, i, 0, MPI_COMM_WORLD, &istatus);
329     char* recvBuffer = new char[recvLength];
330     if (recvBuffer == NULL) {
331     } else {
332 gezelter 1025 MPI_Recv(recvBuffer, recvLength, MPI_CHAR, i, 0, MPI_COMM_WORLD, &istatus);
333 tim 1024 os << recvBuffer;
334 gezelter 1313 delete [] recvBuffer;
335 tim 1024 }
336     }
337     os << " </StuntDoubles>\n";
338    
339     os << " </Snapshot>\n";
340 gezelter 507 os.flush();
341 gezelter 246 } else {
342 gezelter 1025 int sendBufferLength = buffer.size() + 1;
343 gezelter 1629 int myturn = 0;
344     for (int i = 1; i < nProc; ++i){
345     MPI_Bcast(&myturn,1, MPI_INT,masterNode,MPI_COMM_WORLD);
346     if (myturn == worldRank){
347     MPI_Send(&sendBufferLength, 1, MPI_INT, masterNode, 0, MPI_COMM_WORLD);
348     MPI_Send((void *)buffer.c_str(), sendBufferLength, MPI_CHAR, masterNode, 0, MPI_COMM_WORLD);
349     }
350     }
351 tim 1024 }
352 gezelter 2
353 tim 1024 #endif // is_mpi
354 gezelter 2
355 tim 1024 }
356 gezelter 2
357 tim 1024 std::string DumpWriter::prepareDumpLine(StuntDouble* integrableObject) {
358    
359     int index = integrableObject->getGlobalIntegrableObjectIndex();
360     std::string type("pv");
361     std::string line;
362     char tempBuffer[4096];
363 gezelter 2
364 tim 1024 Vector3d pos;
365     Vector3d vel;
366     pos = integrableObject->getPos();
367 gezelter 1437
368     if (isinf(pos[0]) || isnan(pos[0]) ||
369     isinf(pos[1]) || isnan(pos[1]) ||
370     isinf(pos[2]) || isnan(pos[2]) ) {
371     sprintf( painCave.errMsg,
372     "DumpWriter detected a numerical error writing the position"
373     " for object %d", index);
374     painCave.isFatal = 1;
375     simError();
376     }
377    
378 tim 1024 vel = integrableObject->getVel();
379 gezelter 1437
380     if (isinf(vel[0]) || isnan(vel[0]) ||
381     isinf(vel[1]) || isnan(vel[1]) ||
382     isinf(vel[2]) || isnan(vel[2]) ) {
383     sprintf( painCave.errMsg,
384     "DumpWriter detected a numerical error writing the velocity"
385     " for object %d", index);
386     painCave.isFatal = 1;
387     simError();
388     }
389    
390 gezelter 1025 sprintf(tempBuffer, "%18.10g %18.10g %18.10g %13e %13e %13e",
391 tim 1024 pos[0], pos[1], pos[2],
392     vel[0], vel[1], vel[2]);
393     line += tempBuffer;
394 gezelter 2
395 tim 1024 if (integrableObject->isDirectional()) {
396     type += "qj";
397     Quat4d q;
398     Vector3d ji;
399     q = integrableObject->getQ();
400 gezelter 1437
401     if (isinf(q[0]) || isnan(q[0]) ||
402     isinf(q[1]) || isnan(q[1]) ||
403     isinf(q[2]) || isnan(q[2]) ||
404     isinf(q[3]) || isnan(q[3]) ) {
405     sprintf( painCave.errMsg,
406     "DumpWriter detected a numerical error writing the quaternion"
407     " for object %d", index);
408     painCave.isFatal = 1;
409     simError();
410     }
411    
412 tim 1024 ji = integrableObject->getJ();
413 gezelter 1437
414     if (isinf(ji[0]) || isnan(ji[0]) ||
415     isinf(ji[1]) || isnan(ji[1]) ||
416     isinf(ji[2]) || isnan(ji[2]) ) {
417     sprintf( painCave.errMsg,
418     "DumpWriter detected a numerical error writing the angular"
419     " momentum for object %d", index);
420     painCave.isFatal = 1;
421     simError();
422     }
423    
424 gezelter 1025 sprintf(tempBuffer, " %13e %13e %13e %13e %13e %13e %13e",
425 tim 1024 q[0], q[1], q[2], q[3],
426     ji[0], ji[1], ji[2]);
427     line += tempBuffer;
428     }
429 gezelter 2
430 tim 1024 if (needForceVector_) {
431 gezelter 1437 type += "f";
432 tim 1024 Vector3d frc;
433 gezelter 1437
434 tim 1024 frc = integrableObject->getFrc();
435 gezelter 1437
436     if (isinf(frc[0]) || isnan(frc[0]) ||
437     isinf(frc[1]) || isnan(frc[1]) ||
438     isinf(frc[2]) || isnan(frc[2]) ) {
439     sprintf( painCave.errMsg,
440     "DumpWriter detected a numerical error writing the force"
441     " for object %d", index);
442     painCave.isFatal = 1;
443     simError();
444     }
445     sprintf(tempBuffer, " %13e %13e %13e",
446     frc[0], frc[1], frc[2]);
447 tim 1024 line += tempBuffer;
448 gezelter 1437
449     if (integrableObject->isDirectional()) {
450     type += "t";
451     Vector3d trq;
452    
453     trq = integrableObject->getTrq();
454    
455     if (isinf(trq[0]) || isnan(trq[0]) ||
456     isinf(trq[1]) || isnan(trq[1]) ||
457     isinf(trq[2]) || isnan(trq[2]) ) {
458     sprintf( painCave.errMsg,
459     "DumpWriter detected a numerical error writing the torque"
460     " for object %d", index);
461     painCave.isFatal = 1;
462     simError();
463     }
464    
465     sprintf(tempBuffer, " %13e %13e %13e",
466     trq[0], trq[1], trq[2]);
467     line += tempBuffer;
468     }
469 gezelter 246 }
470 gezelter 1629 if (needParticlePot_) {
471     type += "u";
472     RealType particlePot;
473    
474     particlePot = integrableObject->getParticlePot();
475    
476     if (isinf(particlePot) || isnan(particlePot)) {
477     sprintf( painCave.errMsg,
478     "DumpWriter detected a numerical error writing the particle "
479     " potential for object %d", index);
480     painCave.isFatal = 1;
481     simError();
482     }
483     sprintf(tempBuffer, " %13e", particlePot);
484     line += tempBuffer;
485     }
486 gezelter 1437
487 gezelter 1025 sprintf(tempBuffer, "%10d %7s %s\n", index, type.c_str(), line.c_str());
488 tim 1024 return std::string(tempBuffer);
489 gezelter 507 }
490 gezelter 2
491 gezelter 507 void DumpWriter::writeDump() {
492 tim 615 writeFrame(*dumpFile_);
493 gezelter 507 }
494 tim 376
495 gezelter 507 void DumpWriter::writeEor() {
496 tim 615 std::ostream* eorStream;
497 tim 376
498     #ifdef IS_MPI
499     if (worldRank == 0) {
500     #endif // is_mpi
501    
502 tim 615 eorStream = createOStream(eorFilename_);
503 tim 376
504     #ifdef IS_MPI
505     }
506     #endif // is_mpi
507    
508 tim 615 writeFrame(*eorStream);
509    
510     #ifdef IS_MPI
511     if (worldRank == 0) {
512     #endif // is_mpi
513 tim 1024 writeClosing(*eorStream);
514     delete eorStream;
515 tim 615 #ifdef IS_MPI
516     }
517     #endif // is_mpi
518    
519 gezelter 507 }
520 tim 376
521    
522 gezelter 507 void DumpWriter::writeDumpAndEor() {
523 tim 376 std::vector<std::streambuf*> buffers;
524 tim 615 std::ostream* eorStream;
525 tim 376 #ifdef IS_MPI
526     if (worldRank == 0) {
527     #endif // is_mpi
528    
529 tim 615 buffers.push_back(dumpFile_->rdbuf());
530 tim 376
531 tim 615 eorStream = createOStream(eorFilename_);
532 tim 376
533 tim 615 buffers.push_back(eorStream->rdbuf());
534 tim 376
535     #ifdef IS_MPI
536     }
537     #endif // is_mpi
538    
539     TeeBuf tbuf(buffers.begin(), buffers.end());
540     std::ostream os(&tbuf);
541    
542     writeFrame(os);
543 tim 615
544     #ifdef IS_MPI
545     if (worldRank == 0) {
546     #endif // is_mpi
547 tim 1024 writeClosing(*eorStream);
548     delete eorStream;
549 tim 615 #ifdef IS_MPI
550     }
551     #endif // is_mpi
552 tim 376
553 gezelter 507 }
554 tim 376
555 tim 1024 std::ostream* DumpWriter::createOStream(const std::string& filename) {
556 tim 619
557 tim 615 std::ostream* newOStream;
558 tim 619 #ifdef HAVE_LIBZ
559 tim 615 if (needCompression_) {
560 tim 1024 newOStream = new ogzstream(filename.c_str());
561 tim 615 } else {
562 tim 1024 newOStream = new std::ofstream(filename.c_str());
563 tim 615 }
564 tim 619 #else
565     newOStream = new std::ofstream(filename.c_str());
566     #endif
567 tim 1024 //write out MetaData first
568 gezelter 1390 (*newOStream) << "<OpenMD version=1>" << std::endl;
569 tim 1024 (*newOStream) << " <MetaData>" << std::endl;
570     (*newOStream) << info_->getRawMetaData();
571     (*newOStream) << " </MetaData>" << std::endl;
572 tim 615 return newOStream;
573 tim 1024 }
574 tim 376
575 tim 1024 void DumpWriter::writeClosing(std::ostream& os) {
576    
577 gezelter 1390 os << "</OpenMD>\n";
578 tim 1024 os.flush();
579     }
580    
581 gezelter 1390 }//end namespace OpenMD

Properties

Name Value
svn:keywords Author Id Revision Date