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root/OpenMD/trunk/src/io/RestWriter.cpp
Revision: 1796
Committed: Mon Sep 10 18:38:44 2012 UTC (12 years, 7 months ago) by gezelter
File size: 8591 byte(s)
Log Message:
Updating MPI calls to C++, fixing a DumpWriter bug, cleaning cruft

File Contents

# Content
1 /*
2 * Copyright (c) 2009 The University of Notre Dame. All Rights Reserved.
3 *
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 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *
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.
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 *
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] Kuang & Gezelter, J. Chem. Phys. 133, 164101 (2010).
40 * [5] Vardeman, Stocker & Gezelter, J. Chem. Theory Comput. 7, 834 (2011).
41 */
42
43
44 #include <string>
45 #include <sstream>
46 #include <iostream>
47
48 #include "io/RestWriter.hpp"
49 #include "utils/simError.h"
50 #include "brains/SnapshotManager.hpp"
51 #ifdef IS_MPI
52 #include <mpi.h>
53 #endif
54
55 namespace OpenMD {
56 RestWriter::RestWriter(SimInfo* info, const std::string& filename,
57 std::vector<Restraint*> restraints ) :
58 info_(info){
59 createRestFile_ = true;
60
61 #ifdef IS_MPI
62 if(worldRank == 0){
63 #endif
64
65 output_ = new std::ofstream(filename.c_str());
66
67 if(!output_){
68 sprintf( painCave.errMsg,
69 "Could not open %s for restraint output.\n",
70 filename.c_str());
71 painCave.isFatal = 1;
72 simError();
73 }
74
75 #ifdef IS_MPI
76 }
77 #endif // is_mpi
78
79
80 #ifdef IS_MPI
81 MPI::Status istatus;
82 #endif
83
84 #ifndef IS_MPI
85
86 (*output_) << "#time\t";
87
88 std::vector<Restraint*>::const_iterator resti;
89
90 for(resti=restraints.begin(); resti != restraints.end(); ++resti){
91 if ((*resti)->getPrintRestraint()) {
92
93 std::string myName = (*resti)->getRestraintName();
94 int myType = (*resti)->getRestraintType();
95
96 (*output_) << myName << ":";
97
98 if (myType & Restraint::rtDisplacement)
99 (*output_) << "\tPosition(angstroms)\tEnergy(kcal/mol)";
100
101 if (myType & Restraint::rtTwist)
102 (*output_) << "\tTwistAngle(radians)\tEnergy(kcal/mol)";
103
104 if (myType & Restraint::rtSwingX)
105 (*output_) << "\tSwingXAngle(radians)\tEnergy(kcal/mol)";
106
107 if (myType & Restraint::rtSwingY)
108 (*output_) << "\tSwingYAngle(radians)\tEnergy(kcal/mol)";
109 }
110 }
111
112 (*output_) << "\n";
113 (*output_).flush();
114
115 #else
116
117 std::string buffer;
118
119 std::vector<Restraint*>::const_iterator resti;
120
121 for(resti=restraints.begin(); resti != restraints.end(); ++resti){
122 if ((*resti)->getPrintRestraint()) {
123
124 std::string myName = (*resti)->getRestraintName();
125 int myType = (*resti)->getRestraintType();
126
127 buffer += (myName + ":");
128
129 if (myType & Restraint::rtDisplacement)
130 buffer += "\tPosition(angstroms)\tEnergy(kcal/mol)";
131
132 if (myType & Restraint::rtTwist)
133 buffer += "\tTwistAngle(radians)\tEnergy(kcal/mol)";
134
135 if (myType & Restraint::rtSwingX)
136 buffer += "\tSwingXAngle(radians)\tEnergy(kcal/mol)";
137
138 if (myType & Restraint::rtSwingY)
139 buffer += "\tSwingYAngle(radians)\tEnergy(kcal/mol)";
140
141 buffer += "\n";
142 }
143 }
144
145 const int masterNode = 0;
146
147 if (worldRank == masterNode) {
148 (*output_) << "#time\t";
149 (*output_) << buffer;
150
151 int nProc = MPI::COMM_WORLD.Get_size();
152 for (int i = 1; i < nProc; ++i) {
153
154 // receive the length of the string buffer that was
155 // prepared by processor i
156
157 int recvLength;
158 MPI::COMM_WORLD.Recv(&recvLength, 1, MPI::INT, i, 0, istatus);
159 char* recvBuffer = new char[recvLength];
160 if (recvBuffer == NULL) {
161 } else {
162 MPI::COMM_WORLD.Recv(recvBuffer, recvLength, MPI::CHAR, i, 0,
163 istatus);
164 (*output_) << recvBuffer;
165 delete [] recvBuffer;
166 }
167 }
168 (*output_).flush();
169 } else {
170 int sendBufferLength = buffer.size() + 1;
171 MPI::COMM_WORLD.Send(&sendBufferLength, 1, MPI::INT, masterNode, 0);
172 MPI::COMM_WORLD.Send((void *)buffer.c_str(), sendBufferLength, MPI::CHAR,
173 masterNode, 0);
174 }
175
176 #endif // is_mpi
177
178 }
179
180 void RestWriter::writeRest(std::vector<std::map<int, Restraint::RealPair> > restInfo) {
181
182 #ifdef IS_MPI
183 MPI::Status istatus;
184 #endif
185
186 #ifndef IS_MPI
187 (*output_) << info_->getSnapshotManager()->getCurrentSnapshot()->getTime();
188
189 // output some information about the molecules
190 std::vector<std::map<int, Restraint::RealPair> >::const_iterator i;
191 std::map<int, Restraint::RealPair>::const_iterator j;
192
193 for( i = restInfo.begin(); i != restInfo.end(); ++i){
194 for(j = (*i).begin(); j != (*i).end(); ++j){
195 (*output_) << "\t" << (j->second).first << "\t" << (j->second).second;
196 }
197 (*output_) << std::endl;
198 }
199 (*output_).flush();
200 #else
201 std::string buffer, first, second;
202 std::stringstream ss;
203
204 std::vector<std::map<int, Restraint::RealPair> >::const_iterator i;
205 std::map<int, Restraint::RealPair>::const_iterator j;
206
207 for( i = restInfo.begin(); i != restInfo.end(); ++i){
208 for(j = (*i).begin(); j != (*i).end(); ++j){
209 ss.clear();
210 ss << (j->second).first;
211 ss >> first;
212 ss.clear();
213 ss << (j->second).second;
214 ss >> second;
215 buffer += ("\t" + first + "\t" + second);
216 }
217 buffer += "\n";
218 }
219
220 const int masterNode = 0;
221
222 if (worldRank == masterNode) {
223 (*output_) << info_->getSnapshotManager()->getCurrentSnapshot()->getTime();
224 (*output_) << buffer;
225
226 int nProc;
227 nProc = MPI::COMM_WORLD.Get_size();
228 for (int i = 1; i < nProc; ++i) {
229
230 // receive the length of the string buffer that was
231 // prepared by processor i
232
233 int recvLength;
234 MPI::COMM_WORLD.Recv(&recvLength, 1, MPI::INT, i, 0, istatus);
235 char* recvBuffer = new char[recvLength];
236 if (recvBuffer == NULL) {
237 } else {
238 MPI::COMM_WORLD.Recv(recvBuffer, recvLength, MPI::CHAR, i, 0,
239 istatus);
240 (*output_) << recvBuffer;
241
242 delete [] recvBuffer;
243 }
244 }
245 (*output_).flush();
246 } else {
247 int sendBufferLength = buffer.size() + 1;
248 MPI::COMM_WORLD.Send(&sendBufferLength, 1, MPI::INT, masterNode, 0);
249 MPI::COMM_WORLD.Send((void *)buffer.c_str(), sendBufferLength,
250 MPI::CHAR, masterNode, 0);
251 }
252 #endif // is_mpi
253 }
254
255
256 RestWriter::~RestWriter() {
257
258 #ifdef IS_MPI
259
260 if (worldRank == 0) {
261 #endif // is_mpi
262 if (createRestFile_){
263 writeClosing(*output_);
264 delete output_;
265 }
266 #ifdef IS_MPI
267 }
268 #endif // is_mpi
269 }
270
271 void RestWriter::writeClosing(std::ostream& os) {
272 os.flush();
273 }
274
275 }// end namespace OpenMD
276

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