15 |
|
#include <mpi.h> |
16 |
|
#include <mpi++.h> |
17 |
|
#include "mpiSimulation.hpp" |
18 |
< |
#define TAKE_THIS_TAG 0 |
18 |
> |
#define TAKE_THIS_TAG_CHAR 0 |
19 |
> |
#define TAKE_THIS_TAG_INT 1 |
20 |
> |
|
21 |
> |
namespace initFile{ |
22 |
> |
void nodeZeroError( void ); |
23 |
> |
void anonymousNodeDie( void ); |
24 |
> |
} |
25 |
> |
|
26 |
> |
using namespace initFile; |
27 |
> |
|
28 |
|
#endif // is_mpi |
29 |
|
|
30 |
|
InitializeFromFile :: InitializeFromFile( char *in_name ){ |
148 |
|
// MPI Section of code.......... |
149 |
|
#else //IS_MPI |
150 |
|
|
151 |
+ |
// first thing first, suspend fatalities. |
152 |
+ |
painCave.isEventLoop = 1; |
153 |
+ |
|
154 |
+ |
int myStatus; // 1 = wakeup & success; 0 = error; -1 = AllDone |
155 |
+ |
int haveError; |
156 |
+ |
|
157 |
|
MPI::Status istatus; |
158 |
|
int *AtomToProcMap = mpiSim->getAtomToProcMap(); |
159 |
|
|
160 |
+ |
|
161 |
+ |
haveError = 0; |
162 |
|
if (worldRank == 0) { |
163 |
+ |
|
164 |
|
eof_test = fgets(read_buffer, sizeof(read_buffer), c_in_file); |
165 |
|
if( eof_test == NULL ){ |
166 |
|
sprintf( painCave.errMsg, |
167 |
|
"Error reading 1st line of %d \n ",c_in_name); |
168 |
< |
painCave.isFatal = 1; |
168 |
> |
haveError = 1; |
169 |
|
simError(); |
170 |
|
} |
171 |
|
|
182 |
|
"Initialize from File error. %s n_atoms, %d, " |
183 |
|
"does not match the BASS file's n_atoms, %d.\n", |
184 |
|
c_in_name, n_atoms, entry_plug->n_atoms ); |
185 |
< |
painCave.isFatal = 1; |
185 |
> |
haveError= 1; |
186 |
|
simError(); |
187 |
|
} |
188 |
|
|
192 |
|
if(eof_test == NULL){ |
193 |
|
sprintf( painCave.errMsg, |
194 |
|
"error in reading commment in %s\n", c_in_name); |
195 |
< |
painCave.isFatal = 1; |
195 |
> |
haveError= 1; |
196 |
|
simError(); |
197 |
|
} |
198 |
|
|
199 |
+ |
if(haveError) nodeZeroError(); |
200 |
|
|
201 |
|
for (i=0 ; i < mpiSim->getTotAtoms(); i++) { |
202 |
|
|
207 |
|
"natoms = %d; index = %d\n" |
208 |
|
"error reading the line from the file.\n", |
209 |
|
c_in_name, n_atoms, i ); |
210 |
< |
painCave.isFatal = 1; |
210 |
> |
haveError= 1; |
211 |
|
simError(); |
212 |
|
} |
213 |
|
|
214 |
+ |
if(haveError) nodeZeroError(); |
215 |
+ |
|
216 |
|
// Get the Node number which wants this atom: |
217 |
|
which_node = AtomToProcMap[i]; |
218 |
< |
if (which_node == mpiSim->getMyNode()) { |
218 |
> |
if (which_node == 0) { |
219 |
|
parseErr = parseDumpLine( read_buffer, i ); |
220 |
|
if( parseErr != NULL ){ |
221 |
|
strcpy( painCave.errMsg, parseErr ); |
222 |
< |
painCave.isFatal = 1; |
222 |
> |
haveError = 1; |
223 |
|
simError(); |
224 |
|
} |
225 |
< |
} else { |
225 |
> |
if(haveError) nodeZeroError(); |
226 |
> |
} |
227 |
> |
|
228 |
> |
else { |
229 |
> |
|
230 |
> |
myStatus = 1; |
231 |
> |
MPI::COMM_WORLD.Send(&myStatus, 1, MPI_INT, which_node, |
232 |
> |
TAKE_THIS_TAG_INT); |
233 |
|
MPI::COMM_WORLD.Send(read_buffer, BUFFERSIZE, MPI_CHAR, which_node, |
234 |
< |
TAKE_THIS_TAG); |
235 |
< |
MPI::COMM_WORLD.Send(&i, 1, MPI_INT, which_node, TAKE_THIS_TAG); |
234 |
> |
TAKE_THIS_TAG_CHAR); |
235 |
> |
MPI::COMM_WORLD.Send(&i, 1, MPI_INT, which_node, TAKE_THIS_TAG_INT); |
236 |
> |
MPI::COMM_WORLD.Recv(&myStatus, 1, MPI_INT, which_node, TAKE_THIS_TAG_INT, istatus); |
237 |
> |
|
238 |
> |
if(!myStatus) nodeZeroError(); |
239 |
|
} |
240 |
|
} |
241 |
< |
sprintf(read_buffer, "GAMEOVER"); |
241 |
> |
myStatus = -1; |
242 |
|
for (j = 0; j < mpiSim->getNumberProcessors(); j++) { |
243 |
< |
MPI::COMM_WORLD.Send(read_buffer, BUFFERSIZE, MPI_CHAR, j, |
244 |
< |
TAKE_THIS_TAG); |
243 |
> |
MPI::COMM_WORLD.Send( &myStatus, 1, MPI_INT, j, |
244 |
> |
TAKE_THIS_TAG_INT); |
245 |
|
} |
246 |
< |
|
246 |
> |
|
247 |
|
} else { |
248 |
< |
|
248 |
> |
|
249 |
|
done = 0; |
250 |
|
while (!done) { |
251 |
+ |
|
252 |
+ |
MPI::COMM_WORLD.Recv(&myStatus, 1, MPI_INT, 0, |
253 |
+ |
TAKE_THIS_TAG_INT, istatus); |
254 |
+ |
|
255 |
+ |
if(!myStatus) anonymousNodeDie(); |
256 |
+ |
|
257 |
+ |
if(myStatus < 0) break; |
258 |
+ |
|
259 |
|
MPI::COMM_WORLD.Recv(read_buffer, BUFFERSIZE, MPI_CHAR, 0, |
260 |
< |
TAKE_THIS_TAG, istatus); |
261 |
< |
if (strcmp(read_buffer, "GAMEOVER")) { |
262 |
< |
done = 1; |
263 |
< |
continue; |
264 |
< |
} else { |
265 |
< |
MPI::COMM_WORLD.Recv(&which_atom, 1, MPI_INT, 0, |
266 |
< |
TAKE_THIS_TAG, istatus); |
267 |
< |
parseErr = parseDumpLine( read_buffer, which_atom ); |
268 |
< |
if( parseErr != NULL ){ |
269 |
< |
strcpy( painCave.errMsg, parseErr ); |
231 |
< |
painCave.isFatal = 1; |
232 |
< |
simError(); |
233 |
< |
} |
260 |
> |
TAKE_THIS_TAG_CHAR, istatus); |
261 |
> |
MPI::COMM_WORLD.Recv(&which_atom, 1, MPI_INT, 0, |
262 |
> |
TAKE_THIS_TAG_INT, istatus); |
263 |
> |
|
264 |
> |
myStatus = 1; |
265 |
> |
parseErr = parseDumpLine( read_buffer, which_atom ); |
266 |
> |
if( parseErr != NULL ){ |
267 |
> |
strcpy( painCave.errMsg, parseErr ); |
268 |
> |
myStatus = 0;; |
269 |
> |
simError(); |
270 |
|
} |
271 |
+ |
|
272 |
+ |
MPI::COMM_WORLD.Send( &myStatus, 1, MPI_INT, 0, |
273 |
+ |
TAKE_THIS_TAG_INT); |
274 |
+ |
|
275 |
|
} |
276 |
|
} |
277 |
< |
|
277 |
> |
|
278 |
> |
// last thing last, enable fatalities. |
279 |
> |
painCave.isEventLoop = 0; |
280 |
> |
|
281 |
|
#endif |
282 |
|
} |
283 |
|
|
284 |
< |
char* InitializeFromFile::parseDumpLine(char* readLine, int atomIndex){ |
284 |
> |
char* InitializeFromFile::parseDumpLine(char* readLine, int globalIndex){ |
285 |
|
|
286 |
|
char *foo; // the pointer to the current string token |
287 |
|
|
294 |
|
Atom **atoms = entry_plug->atoms; |
295 |
|
DirectionalAtom* dAtom; |
296 |
|
|
297 |
< |
int n_atoms; |
297 |
> |
int j, n_atoms, atomIndex; |
298 |
|
|
299 |
|
#ifdef IS_MPI |
300 |
|
n_atoms = mpiSim->getTotAtoms(); |
301 |
+ |
atomIndex=-1; |
302 |
+ |
for (j=0; j < mpiSim->getMyNlocal(); j++) { |
303 |
+ |
if (atoms[j]->getGlobalIndex() == globalIndex) atomIndex = j; |
304 |
+ |
} |
305 |
+ |
if (atomIndex == -1) { |
306 |
+ |
sprintf( painCave.errMsg, |
307 |
+ |
"Initialize from file error. Atom at index %d " |
308 |
+ |
"in file %s does not exist on processor %d .\n", |
309 |
+ |
globalIndex, c_in_name, mpiSim->getMyNode() ); |
310 |
+ |
return strdup( painCave.errMsg ); |
311 |
+ |
} |
312 |
|
#else |
313 |
|
n_atoms = entry_plug->n_atoms; |
314 |
+ |
atomIndex = globalIndex; |
315 |
|
#endif // is_mpi |
316 |
|
|
262 |
– |
|
317 |
|
// set the string tokenizer |
318 |
|
|
319 |
|
foo = strtok(readLine, " ,;\t"); |
504 |
|
|
505 |
|
return NULL; |
506 |
|
} |
507 |
+ |
|
508 |
+ |
|
509 |
+ |
#ifdef IS_MPI |
510 |
+ |
|
511 |
+ |
// a couple of functions to let us escape the read loop |
512 |
+ |
|
513 |
+ |
void initFile::nodeZeroError( void ){ |
514 |
+ |
int j, myStatus; |
515 |
+ |
|
516 |
+ |
myStatus = 0; |
517 |
+ |
for (j = 0; j < mpiSim->getNumberProcessors(); j++) { |
518 |
+ |
MPI::COMM_WORLD.Send( &myStatus, 1, MPI_INT, j, |
519 |
+ |
TAKE_THIS_TAG_INT); |
520 |
+ |
} |
521 |
+ |
|
522 |
+ |
|
523 |
+ |
MPI_Finalize(); |
524 |
+ |
exit (0); |
525 |
+ |
|
526 |
+ |
} |
527 |
+ |
|
528 |
+ |
void initFile::anonymousNodeDie( void ){ |
529 |
+ |
|
530 |
+ |
MPI_Finalize(); |
531 |
+ |
exit (0); |
532 |
+ |
} |
533 |
+ |
|
534 |
+ |
#endif //is_mpi |