Actual source code: pdvec.c

petsc-3.8.0 2017-09-26
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  2: /*
  3:      Code for some of the parallel vector primatives.
  4: */
  5:  #include <../src/vec/vec/impls/mpi/pvecimpl.h>
  6:  #include <petsc/private/glvisviewerimpl.h>
  7:  #include <petsc/private/glvisvecimpl.h>
  8: #include <petscviewerhdf5.h>

 10: PetscErrorCode VecDestroy_MPI(Vec v)
 11: {
 12:   Vec_MPI        *x = (Vec_MPI*)v->data;

 16: #if defined(PETSC_USE_LOG)
 17:   PetscLogObjectState((PetscObject)v,"Length=%D",v->map->N);
 18: #endif
 19:   if (!x) return(0);
 20:   PetscFree(x->array_allocated);

 22:   /* Destroy local representation of vector if it exists */
 23:   if (x->localrep) {
 24:     VecDestroy(&x->localrep);
 25:     VecScatterDestroy(&x->localupdate);
 26:   }
 27:   VecAssemblyReset_MPI(v);

 29:   /* Destroy the stashes: note the order - so that the tags are freed properly */
 30:   VecStashDestroy_Private(&v->bstash);
 31:   VecStashDestroy_Private(&v->stash);
 32:   PetscFree(v->data);
 33:   return(0);
 34: }

 36: PetscErrorCode VecView_MPI_ASCII(Vec xin,PetscViewer viewer)
 37: {
 38:   PetscErrorCode    ierr;
 39:   PetscInt          i,work = xin->map->n,cnt,len,nLen;
 40:   PetscMPIInt       j,n = 0,size,rank,tag = ((PetscObject)viewer)->tag;
 41:   MPI_Status        status;
 42:   PetscScalar       *values;
 43:   const PetscScalar *xarray;
 44:   const char        *name;
 45:   PetscViewerFormat format;

 48:   VecGetArrayRead(xin,&xarray);
 49:   /* determine maximum message to arrive */
 50:   MPI_Comm_rank(PetscObjectComm((PetscObject)xin),&rank);
 51:   MPI_Reduce(&work,&len,1,MPIU_INT,MPI_MAX,0,PetscObjectComm((PetscObject)xin));
 52:   MPI_Comm_size(PetscObjectComm((PetscObject)xin),&size);
 53:   PetscViewerGetFormat(viewer,&format);
 54:   if (format == PETSC_VIEWER_ASCII_GLVIS) { rank = 0, len = 0; } /* no parallel distributed write support from GLVis */
 55:   if (!rank) {
 56:     PetscMalloc1(len,&values);
 57:     /*
 58:         MATLAB format and ASCII format are very similar except
 59:         MATLAB uses %18.16e format while ASCII uses %g
 60:     */
 61:     if (format == PETSC_VIEWER_ASCII_MATLAB) {
 62:       PetscObjectGetName((PetscObject)xin,&name);
 63:       PetscViewerASCIIPrintf(viewer,"%s = [\n",name);
 64:       for (i=0; i<xin->map->n; i++) {
 65: #if defined(PETSC_USE_COMPLEX)
 66:         if (PetscImaginaryPart(xarray[i]) > 0.0) {
 67:           PetscViewerASCIIPrintf(viewer,"%18.16e + %18.16ei\n",(double)PetscRealPart(xarray[i]),(double)PetscImaginaryPart(xarray[i]));
 68:         } else if (PetscImaginaryPart(xarray[i]) < 0.0) {
 69:           PetscViewerASCIIPrintf(viewer,"%18.16e - %18.16ei\n",(double)PetscRealPart(xarray[i]),-(double)PetscImaginaryPart(xarray[i]));
 70:         } else {
 71:           PetscViewerASCIIPrintf(viewer,"%18.16e\n",(double)PetscRealPart(xarray[i]));
 72:         }
 73: #else
 74:         PetscViewerASCIIPrintf(viewer,"%18.16e\n",(double)xarray[i]);
 75: #endif
 76:       }
 77:       /* receive and print messages */
 78:       for (j=1; j<size; j++) {
 79:         MPI_Recv(values,(PetscMPIInt)len,MPIU_SCALAR,j,tag,PetscObjectComm((PetscObject)xin),&status);
 80:         MPI_Get_count(&status,MPIU_SCALAR,&n);
 81:         for (i=0; i<n; i++) {
 82: #if defined(PETSC_USE_COMPLEX)
 83:           if (PetscImaginaryPart(values[i]) > 0.0) {
 84:             PetscViewerASCIIPrintf(viewer,"%18.16e + %18.16ei\n",(double)PetscRealPart(values[i]),(double)PetscImaginaryPart(values[i]));
 85:           } else if (PetscImaginaryPart(values[i]) < 0.0) {
 86:             PetscViewerASCIIPrintf(viewer,"%18.16e - %18.16ei\n",(double)PetscRealPart(values[i]),-(double)PetscImaginaryPart(values[i]));
 87:           } else {
 88:             PetscViewerASCIIPrintf(viewer,"%18.16e\n",(double)PetscRealPart(values[i]));
 89:           }
 90: #else
 91:           PetscViewerASCIIPrintf(viewer,"%18.16e\n",(double)values[i]);
 92: #endif
 93:         }
 94:       }
 95:       PetscViewerASCIIPrintf(viewer,"];\n");

 97:     } else if (format == PETSC_VIEWER_ASCII_SYMMODU) {
 98:       for (i=0; i<xin->map->n; i++) {
 99: #if defined(PETSC_USE_COMPLEX)
100:         PetscViewerASCIIPrintf(viewer,"%18.16e %18.16e\n",(double)PetscRealPart(xarray[i]),(double)PetscImaginaryPart(xarray[i]));
101: #else
102:         PetscViewerASCIIPrintf(viewer,"%18.16e\n",(double)xarray[i]);
103: #endif
104:       }
105:       /* receive and print messages */
106:       for (j=1; j<size; j++) {
107:         MPI_Recv(values,(PetscMPIInt)len,MPIU_SCALAR,j,tag,PetscObjectComm((PetscObject)xin),&status);
108:         MPI_Get_count(&status,MPIU_SCALAR,&n);
109:         for (i=0; i<n; i++) {
110: #if defined(PETSC_USE_COMPLEX)
111:           PetscViewerASCIIPrintf(viewer,"%18.16e %18.16e\n",(double)PetscRealPart(values[i]),(double)PetscImaginaryPart(values[i]));
112: #else
113:           PetscViewerASCIIPrintf(viewer,"%18.16e\n",(double)values[i]);
114: #endif
115:         }
116:       }
117:     } else if (format == PETSC_VIEWER_ASCII_VTK || format == PETSC_VIEWER_ASCII_VTK_CELL) {
118:       /*
119:         state 0: No header has been output
120:         state 1: Only POINT_DATA has been output
121:         state 2: Only CELL_DATA has been output
122:         state 3: Output both, POINT_DATA last
123:         state 4: Output both, CELL_DATA last
124:       */
125:       static PetscInt stateId     = -1;
126:       int             outputState = 0;
127:       int             doOutput    = 0;
128:       PetscBool       hasState;
129:       PetscInt        bs, b;

131:       if (stateId < 0) {
132:         PetscObjectComposedDataRegister(&stateId);
133:       }
134:       PetscObjectComposedDataGetInt((PetscObject) viewer, stateId, outputState, hasState);
135:       if (!hasState) outputState = 0;

137:       PetscObjectGetName((PetscObject)xin,&name);
138:       VecGetLocalSize(xin, &nLen);
139:       PetscMPIIntCast(nLen,&n);
140:       VecGetBlockSize(xin, &bs);
141:       if (format == PETSC_VIEWER_ASCII_VTK) {
142:         if (outputState == 0) {
143:           outputState = 1;
144:           doOutput    = 1;
145:         } else if (outputState == 1) doOutput = 0;
146:         else if (outputState == 2) {
147:           outputState = 3;
148:           doOutput    = 1;
149:         } else if (outputState == 3) doOutput = 0;
150:         else if (outputState == 4) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ARG_WRONGSTATE, "Tried to output POINT_DATA again after intervening CELL_DATA");

152:         if (doOutput) {
153:           PetscViewerASCIIPrintf(viewer, "POINT_DATA %d\n", xin->map->N/bs);
154:         }
155:       } else {
156:         if (outputState == 0) {
157:           outputState = 2;
158:           doOutput    = 1;
159:         } else if (outputState == 1) {
160:           outputState = 4;
161:           doOutput    = 1;
162:         } else if (outputState == 2) doOutput = 0;
163:         else if (outputState == 3) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ARG_WRONGSTATE, "Tried to output CELL_DATA again after intervening POINT_DATA");
164:         else if (outputState == 4) doOutput = 0;

166:         if (doOutput) {
167:           PetscViewerASCIIPrintf(viewer, "CELL_DATA %d\n", xin->map->N/bs);
168:         }
169:       }
170:       PetscObjectComposedDataSetInt((PetscObject) viewer, stateId, outputState);
171:       if (name) {
172:         if (bs == 3) {
173:           PetscViewerASCIIPrintf(viewer, "VECTORS %s double\n", name);
174:         } else {
175:           PetscViewerASCIIPrintf(viewer, "SCALARS %s double %d\n", name, bs);
176:         }
177:       } else {
178:         PetscViewerASCIIPrintf(viewer, "SCALARS scalars double %d\n", bs);
179:       }
180:       if (bs != 3) {
181:         PetscViewerASCIIPrintf(viewer, "LOOKUP_TABLE default\n");
182:       }
183:       for (i=0; i<n/bs; i++) {
184:         for (b=0; b<bs; b++) {
185:           if (b > 0) {
186:             PetscViewerASCIIPrintf(viewer," ");
187:           }
188:           PetscViewerASCIIPrintf(viewer,"%g",(double)PetscRealPart(xarray[i*bs+b]));
189:         }
190:         PetscViewerASCIIPrintf(viewer,"\n");
191:       }
192:       for (j=1; j<size; j++) {
193:         MPI_Recv(values,(PetscMPIInt)len,MPIU_SCALAR,j,tag,PetscObjectComm((PetscObject)xin),&status);
194:         MPI_Get_count(&status,MPIU_SCALAR,&n);
195:         for (i=0; i<n/bs; i++) {
196:           for (b=0; b<bs; b++) {
197:             if (b > 0) {
198:               PetscViewerASCIIPrintf(viewer," ");
199:             }
200:             PetscViewerASCIIPrintf(viewer,"%g",(double)PetscRealPart(values[i*bs+b]));
201:           }
202:           PetscViewerASCIIPrintf(viewer,"\n");
203:         }
204:       }
205:     } else if (format == PETSC_VIEWER_ASCII_VTK_COORDS) {
206:       PetscInt bs, b;

208:       VecGetLocalSize(xin, &nLen);
209:       PetscMPIIntCast(nLen,&n);
210:       VecGetBlockSize(xin, &bs);
211:       if ((bs < 1) || (bs > 3)) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_ARG_WRONGSTATE, "VTK can only handle 3D objects, but vector dimension is %d", bs);

213:       for (i=0; i<n/bs; i++) {
214:         for (b=0; b<bs; b++) {
215:           if (b > 0) {
216:             PetscViewerASCIIPrintf(viewer," ");
217:           }
218:           PetscViewerASCIIPrintf(viewer,"%g",(double)PetscRealPart(xarray[i*bs+b]));
219:         }
220:         for (b=bs; b<3; b++) {
221:           PetscViewerASCIIPrintf(viewer," 0.0");
222:         }
223:         PetscViewerASCIIPrintf(viewer,"\n");
224:       }
225:       for (j=1; j<size; j++) {
226:         MPI_Recv(values,(PetscMPIInt)len,MPIU_SCALAR,j,tag,PetscObjectComm((PetscObject)xin),&status);
227:         MPI_Get_count(&status,MPIU_SCALAR,&n);
228:         for (i=0; i<n/bs; i++) {
229:           for (b=0; b<bs; b++) {
230:             if (b > 0) {
231:               PetscViewerASCIIPrintf(viewer," ");
232:             }
233:             PetscViewerASCIIPrintf(viewer,"%g",(double)PetscRealPart(values[i*bs+b]));
234:           }
235:           for (b=bs; b<3; b++) {
236:             PetscViewerASCIIPrintf(viewer," 0.0");
237:           }
238:           PetscViewerASCIIPrintf(viewer,"\n");
239:         }
240:       }
241:     } else if (format == PETSC_VIEWER_ASCII_PCICE) {
242:       PetscInt bs, b, vertexCount = 1;

244:       VecGetLocalSize(xin, &nLen);
245:       PetscMPIIntCast(nLen,&n);
246:       VecGetBlockSize(xin, &bs);
247:       if ((bs < 1) || (bs > 3)) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_ARG_WRONGSTATE, "PCICE can only handle up to 3D objects, but vector dimension is %d", bs);

249:       PetscViewerASCIIPrintf(viewer,"%D\n", xin->map->N/bs);
250:       for (i=0; i<n/bs; i++) {
251:         PetscViewerASCIIPrintf(viewer,"%7D   ", vertexCount++);
252:         for (b=0; b<bs; b++) {
253:           if (b > 0) {
254:             PetscViewerASCIIPrintf(viewer," ");
255:           }
256: #if !defined(PETSC_USE_COMPLEX)
257:           PetscViewerASCIIPrintf(viewer,"% 12.5E",(double)xarray[i*bs+b]);
258: #endif
259:         }
260:         PetscViewerASCIIPrintf(viewer,"\n");
261:       }
262:       for (j=1; j<size; j++) {
263:         MPI_Recv(values,(PetscMPIInt)len,MPIU_SCALAR,j,tag,PetscObjectComm((PetscObject)xin),&status);
264:         MPI_Get_count(&status,MPIU_SCALAR,&n);
265:         for (i=0; i<n/bs; i++) {
266:           PetscViewerASCIIPrintf(viewer,"%7D   ", vertexCount++);
267:           for (b=0; b<bs; b++) {
268:             if (b > 0) {
269:               PetscViewerASCIIPrintf(viewer," ");
270:             }
271: #if !defined(PETSC_USE_COMPLEX)
272:             PetscViewerASCIIPrintf(viewer,"% 12.5E",(double)values[i*bs+b]);
273: #endif
274:           }
275:           PetscViewerASCIIPrintf(viewer,"\n");
276:         }
277:       }
278:     } else if (format == PETSC_VIEWER_ASCII_GLVIS) {
279:       /* GLVis ASCII visualization/dump: this function mimicks mfem::GridFunction::Save() */
280:       const PetscScalar       *array;
281:       PetscInt                i,n,vdim, ordering = 1; /* mfem::FiniteElementSpace::Ordering::byVDIM */
282:       PetscContainer          glvis_container;
283:       PetscViewerGLVisVecInfo glvis_vec_info;
284:       PetscViewerGLVisInfo    glvis_info;
285:       PetscErrorCode          ierr;

287:       /* mfem::FiniteElementSpace::Save() */
288:       VecGetBlockSize(xin,&vdim);
289:       PetscViewerASCIIPrintf(viewer,"FiniteElementSpace\n");
290:       PetscObjectQuery((PetscObject)xin,"_glvis_info_container",(PetscObject*)&glvis_container);
291:       if (!glvis_container) SETERRQ(PetscObjectComm((PetscObject)xin),PETSC_ERR_PLIB,"Missing GLVis container");
292:       PetscContainerGetPointer(glvis_container,(void**)&glvis_vec_info);
293:       PetscViewerASCIIPrintf(viewer,"%s\n",glvis_vec_info->fec_type);
294:       PetscViewerASCIIPrintf(viewer,"VDim: %d\n",vdim);
295:       PetscViewerASCIIPrintf(viewer,"Ordering: %d\n",ordering);
296:       PetscViewerASCIIPrintf(viewer,"\n");
297:       /* mfem::Vector::Print() */
298:       PetscObjectQuery((PetscObject)viewer,"_glvis_info_container",(PetscObject*)&glvis_container);
299:       if (!glvis_container) SETERRQ(PetscObjectComm((PetscObject)viewer),PETSC_ERR_PLIB,"Missing GLVis container");
300:       PetscContainerGetPointer(glvis_container,(void**)&glvis_info);
301:       if (glvis_info->enabled) {
302:         VecGetLocalSize(xin,&n);
303:         VecGetArrayRead(xin,&array);
304:         for (i=0;i<n;i++) {
305:           PetscViewerASCIIPrintf(viewer,"%g\n",(double)PetscRealPart(array[i]));
306:         }
307:         VecRestoreArrayRead(xin,&array);
308:       }
309:     } else if (format == PETSC_VIEWER_ASCII_INFO || format == PETSC_VIEWER_ASCII_INFO_DETAIL) {
310:       /* No info */
311:     } else {
312:       if (format != PETSC_VIEWER_ASCII_COMMON) {PetscViewerASCIIPrintf(viewer,"Process [%d]\n",rank);}
313:       cnt = 0;
314:       for (i=0; i<xin->map->n; i++) {
315:         if (format == PETSC_VIEWER_ASCII_INDEX) {
316:           PetscViewerASCIIPrintf(viewer,"%D: ",cnt++);
317:         }
318: #if defined(PETSC_USE_COMPLEX)
319:         if (PetscImaginaryPart(xarray[i]) > 0.0) {
320:           PetscViewerASCIIPrintf(viewer,"%g + %g i\n",(double)PetscRealPart(xarray[i]),(double)PetscImaginaryPart(xarray[i]));
321:         } else if (PetscImaginaryPart(xarray[i]) < 0.0) {
322:           PetscViewerASCIIPrintf(viewer,"%g - %g i\n",(double)PetscRealPart(xarray[i]),-(double)PetscImaginaryPart(xarray[i]));
323:         } else {
324:           PetscViewerASCIIPrintf(viewer,"%g\n",(double)PetscRealPart(xarray[i]));
325:         }
326: #else
327:         PetscViewerASCIIPrintf(viewer,"%g\n",(double)xarray[i]);
328: #endif
329:       }
330:       /* receive and print messages */
331:       for (j=1; j<size; j++) {
332:         MPI_Recv(values,(PetscMPIInt)len,MPIU_SCALAR,j,tag,PetscObjectComm((PetscObject)xin),&status);
333:         MPI_Get_count(&status,MPIU_SCALAR,&n);
334:         if (format != PETSC_VIEWER_ASCII_COMMON) {
335:           PetscViewerASCIIPrintf(viewer,"Process [%d]\n",j);
336:         }
337:         for (i=0; i<n; i++) {
338:           if (format == PETSC_VIEWER_ASCII_INDEX) {
339:             PetscViewerASCIIPrintf(viewer,"%D: ",cnt++);
340:           }
341: #if defined(PETSC_USE_COMPLEX)
342:           if (PetscImaginaryPart(values[i]) > 0.0) {
343:             PetscViewerASCIIPrintf(viewer,"%g + %g i\n",(double)PetscRealPart(values[i]),(double)PetscImaginaryPart(values[i]));
344:           } else if (PetscImaginaryPart(values[i]) < 0.0) {
345:             PetscViewerASCIIPrintf(viewer,"%g - %g i\n",(double)PetscRealPart(values[i]),-(double)PetscImaginaryPart(values[i]));
346:           } else {
347:             PetscViewerASCIIPrintf(viewer,"%g\n",(double)PetscRealPart(values[i]));
348:           }
349: #else
350:           PetscViewerASCIIPrintf(viewer,"%g\n",(double)values[i]);
351: #endif
352:         }
353:       }
354:     }
355:     PetscFree(values);
356:   } else {
357:     if (format == PETSC_VIEWER_ASCII_INFO || format == PETSC_VIEWER_ASCII_INFO_DETAIL) {
358:       /* Rank 0 is not trying to receive anything, so don't send anything */
359:     } else {
360:       if (format == PETSC_VIEWER_ASCII_MATLAB || format == PETSC_VIEWER_ASCII_VTK || format == PETSC_VIEWER_ASCII_VTK_CELL) {
361:         /* this may be a collective operation so make sure everyone calls it */
362:         PetscObjectGetName((PetscObject)xin,&name);
363:       }
364:       MPI_Send((void*)xarray,xin->map->n,MPIU_SCALAR,0,tag,PetscObjectComm((PetscObject)xin));
365:     }
366:   }
367:   PetscViewerFlush(viewer);
368:   VecRestoreArrayRead(xin,&xarray);
369:   return(0);
370: }

372: PetscErrorCode VecView_MPI_Binary(Vec xin,PetscViewer viewer)
373: {
374:   PetscErrorCode    ierr;
375:   PetscMPIInt       rank,size,mesgsize,tag = ((PetscObject)viewer)->tag, mesglen;
376:   PetscInt          len,n,j,tr[2];
377:   int               fdes;
378:   MPI_Status        status;
379:   PetscScalar       *values;
380:   const PetscScalar *xarray;
381:   FILE              *file;
382: #if defined(PETSC_HAVE_MPIIO)
383:   PetscBool         isMPIIO;
384: #endif
385:   PetscBool         skipHeader;
386:   PetscInt          message_count,flowcontrolcount;
387:   PetscViewerFormat format;

390:   VecGetArrayRead(xin,&xarray);
391:   PetscViewerBinaryGetDescriptor(viewer,&fdes);
392:   PetscViewerBinaryGetSkipHeader(viewer,&skipHeader);

394:   /* determine maximum message to arrive */
395:   MPI_Comm_rank(PetscObjectComm((PetscObject)xin),&rank);
396:   MPI_Comm_size(PetscObjectComm((PetscObject)xin),&size);

398:   if (!skipHeader) {
399:     tr[0] = VEC_FILE_CLASSID;
400:     tr[1] = xin->map->N;
401:     PetscViewerBinaryWrite(viewer,tr,2,PETSC_INT,PETSC_FALSE);
402:   }

404: #if defined(PETSC_HAVE_MPIIO)
405:   PetscViewerBinaryGetUseMPIIO(viewer,&isMPIIO);
406:   if (!isMPIIO) {
407: #endif
408:     PetscViewerFlowControlStart(viewer,&message_count,&flowcontrolcount);
409:     if (!rank) {
410:       PetscBinaryWrite(fdes,(void*)xarray,xin->map->n,PETSC_SCALAR,PETSC_FALSE);

412:       len = 0;
413:       for (j=1; j<size; j++) len = PetscMax(len,xin->map->range[j+1]-xin->map->range[j]);
414:       PetscMalloc1(len,&values);
415:       PetscMPIIntCast(len,&mesgsize);
416:       /* receive and save messages */
417:       for (j=1; j<size; j++) {
418:         PetscViewerFlowControlStepMaster(viewer,j,&message_count,flowcontrolcount);
419:         MPI_Recv(values,mesgsize,MPIU_SCALAR,j,tag,PetscObjectComm((PetscObject)xin),&status);
420:         MPI_Get_count(&status,MPIU_SCALAR,&mesglen);
421:         n    = (PetscInt)mesglen;
422:         PetscBinaryWrite(fdes,values,n,PETSC_SCALAR,PETSC_TRUE);
423:       }
424:       PetscViewerFlowControlEndMaster(viewer,&message_count);
425:       PetscFree(values);
426:     } else {
427:       PetscViewerFlowControlStepWorker(viewer,rank,&message_count);
428:       PetscMPIIntCast(xin->map->n,&mesgsize);
429:       MPI_Send((void*)xarray,mesgsize,MPIU_SCALAR,0,tag,PetscObjectComm((PetscObject)xin));
430:       PetscViewerFlowControlEndWorker(viewer,&message_count);
431:     }
432:     PetscViewerGetFormat(viewer,&format);
433:     if (format == PETSC_VIEWER_BINARY_MATLAB) {
434:       MPI_Comm   comm;
435:       FILE       *info;
436:       const char *name;

438:       PetscObjectGetName((PetscObject)xin,&name);
439:       PetscObjectGetComm((PetscObject)viewer,&comm);
440:       PetscViewerBinaryGetInfoPointer(viewer,&info);
441:       PetscFPrintf(comm,info,"#--- begin code written by PetscViewerBinary for MATLAB format ---#\n");
442:       PetscFPrintf(comm,info,"#$$ Set.%s = PetscBinaryRead(fd);\n",name);
443:       PetscFPrintf(comm,info,"#--- end code written by PetscViewerBinary for MATLAB format ---#\n\n");
444:     }
445: #if defined(PETSC_HAVE_MPIIO)
446:   } else {
447:     MPI_Offset   off;
448:     MPI_File     mfdes;
449:     PetscMPIInt  lsize;

451:     PetscMPIIntCast(xin->map->n,&lsize);
452:     PetscViewerBinaryGetMPIIODescriptor(viewer,&mfdes);
453:     PetscViewerBinaryGetMPIIOOffset(viewer,&off);
454:     off += xin->map->rstart*sizeof(PetscScalar); /* off is MPI_Offset, not PetscMPIInt */
455:     MPI_File_set_view(mfdes,off,MPIU_SCALAR,MPIU_SCALAR,(char*)"native",MPI_INFO_NULL);
456:     MPIU_File_write_all(mfdes,(void*)xarray,lsize,MPIU_SCALAR,MPI_STATUS_IGNORE);
457:     PetscViewerBinaryAddMPIIOOffset(viewer,xin->map->N*sizeof(PetscScalar));
458:   }
459: #endif

461:   VecRestoreArrayRead(xin,&xarray);
462:   if (!rank) {
463:     PetscViewerBinaryGetInfoPointer(viewer,&file);
464:     if (file) {
465:       if (((PetscObject)xin)->prefix) {
466:         PetscFPrintf(PETSC_COMM_SELF,file,"-%svecload_block_size %D\n",((PetscObject)xin)->prefix,PetscAbs(xin->map->bs));
467:       } else {
468:         PetscFPrintf(PETSC_COMM_SELF,file,"-vecload_block_size %D\n",PetscAbs(xin->map->bs));
469:       }
470:     }
471:   }
472:   return(0);
473: }

475:  #include <petscdraw.h>
476: PetscErrorCode VecView_MPI_Draw_LG(Vec xin,PetscViewer viewer)
477: {
478:   PetscDraw         draw;
479:   PetscBool         isnull;
480:   PetscDrawLG       lg;
481:   PetscMPIInt       i,size,rank,n,N,*lens = NULL,*disp = NULL;
482:   PetscReal         *values, *xx = NULL,*yy = NULL;
483:   const PetscScalar *xarray;
484:   int               colors[] = {PETSC_DRAW_RED};
485:   PetscErrorCode    ierr;

488:   PetscViewerDrawGetDraw(viewer,0,&draw);
489:   PetscDrawIsNull(draw,&isnull);
490:   if (isnull) return(0);
491:   MPI_Comm_rank(PetscObjectComm((PetscObject)xin),&rank);
492:   MPI_Comm_size(PetscObjectComm((PetscObject)xin),&size);
493:   PetscMPIIntCast(xin->map->n,&n);
494:   PetscMPIIntCast(xin->map->N,&N);

496:   VecGetArrayRead(xin,&xarray);
497: #if defined(PETSC_USE_COMPLEX)
498:   PetscMalloc1(n+1,&values);
499:   for (i=0; i<n; i++) values[i] = PetscRealPart(xarray[i]);
500: #else
501:   values = (PetscReal*)xarray;
502: #endif
503:   if (!rank) {
504:     PetscMalloc2(N,&xx,N,&yy);
505:     for (i=0; i<N; i++) xx[i] = (PetscReal)i;
506:     PetscMalloc2(size,&lens,size,&disp);
507:     for (i=0; i<size; i++) lens[i] = (PetscMPIInt)xin->map->range[i+1] - (PetscMPIInt)xin->map->range[i];
508:     for (i=0; i<size; i++) disp[i] = (PetscMPIInt)xin->map->range[i];
509:   }
510:   MPI_Gatherv(values,n,MPIU_REAL,yy,lens,disp,MPIU_REAL,0,PetscObjectComm((PetscObject)xin));
511:   PetscFree2(lens,disp);
512: #if defined(PETSC_USE_COMPLEX)
513:   PetscFree(values);
514: #endif
515:   VecRestoreArrayRead(xin,&xarray);

517:   PetscViewerDrawGetDrawLG(viewer,0,&lg);
518:   PetscDrawLGReset(lg);
519:   PetscDrawLGSetDimension(lg,1);
520:   PetscDrawLGSetColors(lg,colors);
521:   if (!rank) {
522:     PetscDrawLGAddPoints(lg,N,&xx,&yy);
523:     PetscFree2(xx,yy);
524:   }
525:   PetscDrawLGDraw(lg);
526:   PetscDrawLGSave(lg);
527:   return(0);
528: }

530: PetscErrorCode  VecView_MPI_Draw(Vec xin,PetscViewer viewer)
531: {
532:   PetscErrorCode    ierr;
533:   PetscMPIInt       rank,size,tag = ((PetscObject)viewer)->tag;
534:   PetscInt          i,start,end;
535:   MPI_Status        status;
536:   PetscReal         min,max,tmp = 0.0;
537:   PetscDraw         draw;
538:   PetscBool         isnull;
539:   PetscDrawAxis     axis;
540:   const PetscScalar *xarray;

543:   PetscViewerDrawGetDraw(viewer,0,&draw);
544:   PetscDrawIsNull(draw,&isnull);
545:   if (isnull) return(0);
546:   MPI_Comm_size(PetscObjectComm((PetscObject)xin),&size);
547:   MPI_Comm_rank(PetscObjectComm((PetscObject)xin),&rank);

549:   VecMin(xin,NULL,&min);
550:   VecMax(xin,NULL,&max);
551:   if (min == max) {
552:     min -= 1.e-5;
553:     max += 1.e-5;
554:   }

556:   PetscDrawCheckResizedWindow(draw);
557:   PetscDrawClear(draw);

559:   PetscDrawAxisCreate(draw,&axis);
560:   PetscDrawAxisSetLimits(axis,0.0,(PetscReal)xin->map->N,min,max);
561:   PetscDrawAxisDraw(axis);
562:   PetscDrawAxisDestroy(&axis);

564:   /* draw local part of vector */
565:   VecGetArrayRead(xin,&xarray);
566:   VecGetOwnershipRange(xin,&start,&end);
567:   if (rank < size-1) { /* send value to right */
568:     MPI_Send((void*)&xarray[xin->map->n-1],1,MPIU_REAL,rank+1,tag,PetscObjectComm((PetscObject)xin));
569:   }
570:   if (rank) { /* receive value from right */
571:     MPI_Recv(&tmp,1,MPIU_REAL,rank-1,tag,PetscObjectComm((PetscObject)xin),&status);
572:   }
573:   PetscDrawCollectiveBegin(draw);
574:   if (rank) {
575:     PetscDrawLine(draw,(PetscReal)start-1,tmp,(PetscReal)start,PetscRealPart(xarray[0]),PETSC_DRAW_RED);
576:   }
577:   for (i=1; i<xin->map->n; i++) {
578:     PetscDrawLine(draw,(PetscReal)(i-1+start),PetscRealPart(xarray[i-1]),(PetscReal)(i+start),PetscRealPart(xarray[i]),PETSC_DRAW_RED);
579:   }
580:   PetscDrawCollectiveEnd(draw);
581:   VecRestoreArrayRead(xin,&xarray);

583:   PetscDrawFlush(draw);
584:   PetscDrawPause(draw);
585:   PetscDrawSave(draw);
586:   return(0);
587: }

589: #if defined(PETSC_HAVE_MATLAB_ENGINE)
590: PetscErrorCode VecView_MPI_Matlab(Vec xin,PetscViewer viewer)
591: {
592:   PetscErrorCode    ierr;
593:   PetscMPIInt       rank,size,*lens;
594:   PetscInt          i,N = xin->map->N;
595:   const PetscScalar *xarray;
596:   PetscScalar       *xx;

599:   VecGetArrayRead(xin,&xarray);
600:   MPI_Comm_rank(PetscObjectComm((PetscObject)xin),&rank);
601:   MPI_Comm_size(PetscObjectComm((PetscObject)xin),&size);
602:   if (!rank) {
603:     PetscMalloc1(N,&xx);
604:     PetscMalloc1(size,&lens);
605:     for (i=0; i<size; i++) lens[i] = xin->map->range[i+1] - xin->map->range[i];

607:     MPI_Gatherv((void*)xarray,xin->map->n,MPIU_SCALAR,xx,lens,xin->map->range,MPIU_SCALAR,0,PetscObjectComm((PetscObject)xin));
608:     PetscFree(lens);

610:     PetscObjectName((PetscObject)xin);
611:     PetscViewerMatlabPutArray(viewer,N,1,xx,((PetscObject)xin)->name);

613:     PetscFree(xx);
614:   } else {
615:     MPI_Gatherv((void*)xarray,xin->map->n,MPIU_SCALAR,0,0,0,MPIU_SCALAR,0,PetscObjectComm((PetscObject)xin));
616:   }
617:   VecRestoreArrayRead(xin,&xarray);
618:   return(0);
619: }
620: #endif

622: #if defined(PETSC_HAVE_HDF5)
623: PetscErrorCode VecView_MPI_HDF5(Vec xin, PetscViewer viewer)
624: {
625:   /* TODO: It looks like we can remove the H5Sclose(filespace) and H5Dget_space(dset_id). Why do we do this? */
626:   hid_t             filespace; /* file dataspace identifier */
627:   hid_t             chunkspace; /* chunk dataset property identifier */
628:   hid_t             plist_id;  /* property list identifier */
629:   hid_t             dset_id;   /* dataset identifier */
630:   hid_t             memspace;  /* memory dataspace identifier */
631:   hid_t             file_id;
632:   hid_t             group;
633:   hid_t             memscalartype; /* scalar type for mem (H5T_NATIVE_FLOAT or H5T_NATIVE_DOUBLE) */
634:   hid_t             filescalartype; /* scalar type for file (H5T_NATIVE_FLOAT or H5T_NATIVE_DOUBLE) */
635:   PetscInt          bs = PetscAbs(xin->map->bs);
636:   hsize_t           dim;
637:   hsize_t           maxDims[4], dims[4], chunkDims[4], count[4],offset[4];
638:   PetscInt          timestep;
639:   PetscInt          low;
640:   PetscInt          chunksize;
641:   const PetscScalar *x;
642:   const char        *vecname;
643:   PetscErrorCode    ierr;
644:   PetscBool         dim2;
645:   PetscBool         spoutput;

648:   PetscViewerHDF5OpenGroup(viewer, &file_id, &group);
649:   PetscViewerHDF5GetTimestep(viewer, &timestep);
650:   PetscViewerHDF5GetBaseDimension2(viewer,&dim2);
651:   PetscViewerHDF5GetSPOutput(viewer,&spoutput);

653:   /* Create the dataspace for the dataset.
654:    *
655:    * dims - holds the current dimensions of the dataset
656:    *
657:    * maxDims - holds the maximum dimensions of the dataset (unlimited
658:    * for the number of time steps with the current dimensions for the
659:    * other dimensions; so only additional time steps can be added).
660:    *
661:    * chunkDims - holds the size of a single time step (required to
662:    * permit extending dataset).
663:    */
664:   dim = 0;
665:   chunksize = 1;
666:   if (timestep >= 0) {
667:     dims[dim]      = timestep+1;
668:     maxDims[dim]   = H5S_UNLIMITED;
669:     chunkDims[dim] = 1;
670:     ++dim;
671:   }
672:   PetscHDF5IntCast(xin->map->N/bs,dims + dim);

674:   maxDims[dim]   = dims[dim];
675:   chunkDims[dim] = dims[dim];
676:   chunksize      *= chunkDims[dim];
677:   ++dim;
678:   if (bs > 1 || dim2) {
679:     dims[dim]      = bs;
680:     maxDims[dim]   = dims[dim];
681:     chunkDims[dim] = dims[dim];
682:     chunksize      *= chunkDims[dim];
683:     ++dim;
684:   }
685: #if defined(PETSC_USE_COMPLEX)
686:   dims[dim]      = 2;
687:   maxDims[dim]   = dims[dim];
688:   chunkDims[dim] = dims[dim];
689:   chunksize      *= chunkDims[dim];
690:   /* hdf5 chunks must be less than the max of 32 bit int */
691:   if (chunksize > PETSC_HDF5_INT_MAX/64 ) {
692:     if (bs > 1 || dim2) {
693:       if (chunkDims[dim-2] > (PetscInt)PetscSqrtReal((PetscReal)(PETSC_HDF5_INT_MAX/128))) {
694:         chunkDims[dim-2] = (PetscInt)PetscSqrtReal((PetscReal)(PETSC_HDF5_INT_MAX/128));
695:       } if (chunkDims[dim-1] > (PetscInt)PetscSqrtReal((PetscReal)(PETSC_HDF5_INT_MAX/128))) {
696:         chunkDims[dim-1] = (PetscInt)PetscSqrtReal((PetscReal)(PETSC_HDF5_INT_MAX/128));
697:       }
698:     } else {
699:       chunkDims[dim-1] = PETSC_HDF5_INT_MAX/128;
700:     }
701:   }
702:   ++dim;
703: #else 
704:   /* hdf5 chunks must be less than the max of 32 bit int */
705:   if (chunksize > PETSC_HDF5_INT_MAX/64) {
706:     if (bs > 1 || dim2) {
707:       if (chunkDims[dim-2] > (PetscInt)PetscSqrtReal((PetscReal)(PETSC_HDF5_INT_MAX/64))) {
708:         chunkDims[dim-2] = (PetscInt)PetscSqrtReal((PetscReal)(PETSC_HDF5_INT_MAX/64));
709:       } if (chunkDims[dim-1] > (PetscInt)PetscSqrtReal((PetscReal)(PETSC_HDF5_INT_MAX/64))) {
710:         chunkDims[dim-1] = (PetscInt)PetscSqrtReal((PetscReal)(PETSC_HDF5_INT_MAX/64));
711:       }
712:     } else {
713:       chunkDims[dim-1] = PETSC_HDF5_INT_MAX/64;
714:     }
715:   }
716: #endif


719:   PetscStackCallHDF5Return(filespace,H5Screate_simple,(dim, dims, maxDims));

721: #if defined(PETSC_USE_REAL_SINGLE)
722:   memscalartype = H5T_NATIVE_FLOAT;
723:   filescalartype = H5T_NATIVE_FLOAT;
724: #elif defined(PETSC_USE_REAL___FLOAT128)
725: #error "HDF5 output with 128 bit floats not supported."
726: #elif defined(PETSC_USE_REAL___FP16)
727: #error "HDF5 output with 16 bit floats not supported."
728: #else
729:   memscalartype = H5T_NATIVE_DOUBLE;
730:   if (spoutput == PETSC_TRUE) filescalartype = H5T_NATIVE_FLOAT;
731:   else filescalartype = H5T_NATIVE_DOUBLE;
732: #endif

734:   /* Create the dataset with default properties and close filespace */
735:   PetscObjectGetName((PetscObject) xin, &vecname);
736:   if (!H5Lexists(group, vecname, H5P_DEFAULT)) {
737:     /* Create chunk */
738:     PetscStackCallHDF5Return(chunkspace,H5Pcreate,(H5P_DATASET_CREATE));
739:     PetscStackCallHDF5(H5Pset_chunk,(chunkspace, dim, chunkDims));

741: #if (H5_VERS_MAJOR * 10000 + H5_VERS_MINOR * 100 + H5_VERS_RELEASE >= 10800)
742:     PetscStackCallHDF5Return(dset_id,H5Dcreate2,(group, vecname, filescalartype, filespace, H5P_DEFAULT, chunkspace, H5P_DEFAULT));
743: #else
744:     PetscStackCallHDF5Return(dset_id,H5Dcreate,(group, vecname, filescalartype, filespace, H5P_DEFAULT));
745: #endif
746:     PetscStackCallHDF5(H5Pclose,(chunkspace));
747:   } else {
748:     PetscStackCallHDF5Return(dset_id,H5Dopen2,(group, vecname, H5P_DEFAULT));
749:     PetscStackCallHDF5(H5Dset_extent,(dset_id, dims));
750:   }
751:   PetscStackCallHDF5(H5Sclose,(filespace));

753:   /* Each process defines a dataset and writes it to the hyperslab in the file */
754:   dim = 0;
755:   if (timestep >= 0) {
756:     count[dim] = 1;
757:     ++dim;
758:   }
759:   PetscHDF5IntCast(xin->map->n/bs,count + dim);
760:   ++dim;
761:   if (bs > 1 || dim2) {
762:     count[dim] = bs;
763:     ++dim;
764:   }
765: #if defined(PETSC_USE_COMPLEX)
766:   count[dim] = 2;
767:   ++dim;
768: #endif
769:   if (xin->map->n > 0) {
770:     PetscStackCallHDF5Return(memspace,H5Screate_simple,(dim, count, NULL));
771:   } else {
772:     /* Can't create dataspace with zero for any dimension, so create null dataspace. */
773:     PetscStackCallHDF5Return(memspace,H5Screate,(H5S_NULL));
774:   }

776:   /* Select hyperslab in the file */
777:   VecGetOwnershipRange(xin, &low, NULL);
778:   dim  = 0;
779:   if (timestep >= 0) {
780:     offset[dim] = timestep;
781:     ++dim;
782:   }
783:   PetscHDF5IntCast(low/bs,offset + dim);
784:   ++dim;
785:   if (bs > 1 || dim2) {
786:     offset[dim] = 0;
787:     ++dim;
788:   }
789: #if defined(PETSC_USE_COMPLEX)
790:   offset[dim] = 0;
791:   ++dim;
792: #endif
793:   if (xin->map->n > 0) {
794:     PetscStackCallHDF5Return(filespace,H5Dget_space,(dset_id));
795:     PetscStackCallHDF5(H5Sselect_hyperslab,(filespace, H5S_SELECT_SET, offset, NULL, count, NULL));
796:   } else {
797:     /* Create null filespace to match null memspace. */
798:     PetscStackCallHDF5Return(filespace,H5Screate,(H5S_NULL));
799:   }

801:   /* Create property list for collective dataset write */
802:   PetscStackCallHDF5Return(plist_id,H5Pcreate,(H5P_DATASET_XFER));
803: #if defined(PETSC_HAVE_H5PSET_FAPL_MPIO)
804:   PetscStackCallHDF5(H5Pset_dxpl_mpio,(plist_id, H5FD_MPIO_COLLECTIVE));
805: #endif
806:   /* To write dataset independently use H5Pset_dxpl_mpio(plist_id, H5FD_MPIO_INDEPENDENT) */

808:   VecGetArrayRead(xin, &x);
809:   PetscStackCallHDF5(H5Dwrite,(dset_id, memscalartype, memspace, filespace, plist_id, x));
810:   PetscStackCallHDF5(H5Fflush,(file_id, H5F_SCOPE_GLOBAL));
811:   VecRestoreArrayRead(xin, &x);

813: #if defined(PETSC_USE_COMPLEX)
814:   {
815:     PetscInt   one = 1;
816:     const char *groupname;
817:     char       vecgroup[PETSC_MAX_PATH_LEN];

819:     PetscViewerHDF5GetGroup(viewer,&groupname);
820:     PetscSNPrintf(vecgroup,PETSC_MAX_PATH_LEN,"%s/%s",groupname,vecname);
821:     PetscViewerHDF5WriteAttribute(viewer,vecgroup,"complex",PETSC_INT,&one);
822:   }
823: #endif
824:   /* Close/release resources */
825:   if (group != file_id) {
826:     PetscStackCallHDF5(H5Gclose,(group));
827:   }
828:   PetscStackCallHDF5(H5Pclose,(plist_id));
829:   PetscStackCallHDF5(H5Sclose,(filespace));
830:   PetscStackCallHDF5(H5Sclose,(memspace));
831:   PetscStackCallHDF5(H5Dclose,(dset_id));
832:   PetscInfo1(xin,"Wrote Vec object with name %s\n",vecname);
833:   return(0);
834: }
835: #endif

837: PETSC_EXTERN PetscErrorCode VecView_MPI(Vec xin,PetscViewer viewer)
838: {
840:   PetscBool      iascii,isbinary,isdraw;
841: #if defined(PETSC_HAVE_MATHEMATICA)
842:   PetscBool      ismathematica;
843: #endif
844: #if defined(PETSC_HAVE_HDF5)
845:   PetscBool      ishdf5;
846: #endif
847: #if defined(PETSC_HAVE_MATLAB_ENGINE)
848:   PetscBool      ismatlab;
849: #endif
850:   PetscBool      isglvis;

853:   PetscObjectTypeCompare((PetscObject)viewer,PETSCVIEWERASCII,&iascii);
854:   PetscObjectTypeCompare((PetscObject)viewer,PETSCVIEWERBINARY,&isbinary);
855:   PetscObjectTypeCompare((PetscObject)viewer,PETSCVIEWERDRAW,&isdraw);
856: #if defined(PETSC_HAVE_MATHEMATICA)
857:   PetscObjectTypeCompare((PetscObject)viewer,PETSCVIEWERMATHEMATICA,&ismathematica);
858: #endif
859: #if defined(PETSC_HAVE_HDF5)
860:   PetscObjectTypeCompare((PetscObject)viewer,PETSCVIEWERHDF5,&ishdf5);
861: #endif
862: #if defined(PETSC_HAVE_MATLAB_ENGINE)
863:   PetscObjectTypeCompare((PetscObject)viewer,PETSCVIEWERMATLAB,&ismatlab);
864: #endif
865:   PetscObjectTypeCompare((PetscObject)viewer,PETSCVIEWERGLVIS,&isglvis);
866:   if (iascii) {
867:     VecView_MPI_ASCII(xin,viewer);
868:   } else if (isbinary) {
869:     VecView_MPI_Binary(xin,viewer);
870:   } else if (isdraw) {
871:     PetscViewerFormat format;
872:     PetscViewerGetFormat(viewer,&format);
873:     if (format == PETSC_VIEWER_DRAW_LG) {
874:       VecView_MPI_Draw_LG(xin,viewer);
875:     } else {
876:       VecView_MPI_Draw(xin,viewer);
877:     }
878: #if defined(PETSC_HAVE_MATHEMATICA)
879:   } else if (ismathematica) {
880:     PetscViewerMathematicaPutVector(viewer,xin);
881: #endif
882: #if defined(PETSC_HAVE_HDF5)
883:   } else if (ishdf5) {
884:     VecView_MPI_HDF5(xin,viewer);
885: #endif
886: #if defined(PETSC_HAVE_MATLAB_ENGINE)
887:   } else if (ismatlab) {
888:     VecView_MPI_Matlab(xin,viewer);
889: #endif
890:   } else if (isglvis) {
891:     VecView_GLVis(xin,viewer);
892:   }
893:   return(0);
894: }

896: PetscErrorCode VecGetSize_MPI(Vec xin,PetscInt *N)
897: {
899:   *N = xin->map->N;
900:   return(0);
901: }

903: PetscErrorCode VecGetValues_MPI(Vec xin,PetscInt ni,const PetscInt ix[],PetscScalar y[])
904: {
905:   const PetscScalar *xx;
906:   PetscInt          i,tmp,start = xin->map->range[xin->stash.rank];
907:   PetscErrorCode    ierr;

910:   VecGetArrayRead(xin,&xx);
911:   for (i=0; i<ni; i++) {
912:     if (xin->stash.ignorenegidx && ix[i] < 0) continue;
913:     tmp = ix[i] - start;
914: #if defined(PETSC_USE_DEBUG)
915:     if (tmp < 0 || tmp >= xin->map->n) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_ARG_OUTOFRANGE,"Can only get local values, trying %D",ix[i]);
916: #endif
917:     y[i] = xx[tmp];
918:   }
919:   VecRestoreArrayRead(xin,&xx);
920:   return(0);
921: }

923: PetscErrorCode VecSetValues_MPI(Vec xin,PetscInt ni,const PetscInt ix[],const PetscScalar y[],InsertMode addv)
924: {
926:   PetscMPIInt    rank    = xin->stash.rank;
927:   PetscInt       *owners = xin->map->range,start = owners[rank];
928:   PetscInt       end     = owners[rank+1],i,row;
929:   PetscScalar    *xx;

932: #if defined(PETSC_USE_DEBUG)
933:   if (xin->stash.insertmode == INSERT_VALUES && addv == ADD_VALUES) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ARG_WRONGSTATE,"You have already inserted values; you cannot now add");
934:   else if (xin->stash.insertmode == ADD_VALUES && addv == INSERT_VALUES) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ARG_WRONGSTATE,"You have already added values; you cannot now insert");
935: #endif
936:   VecGetArray(xin,&xx);
937:   xin->stash.insertmode = addv;

939:   if (addv == INSERT_VALUES) {
940:     for (i=0; i<ni; i++) {
941:       if (xin->stash.ignorenegidx && ix[i] < 0) continue;
942: #if defined(PETSC_USE_DEBUG)
943:       if (ix[i] < 0) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_ARG_OUTOFRANGE,"Out of range index value %D cannot be negative",ix[i]);
944: #endif
945:       if ((row = ix[i]) >= start && row < end) {
946:         xx[row-start] = y[i];
947:       } else if (!xin->stash.donotstash) {
948: #if defined(PETSC_USE_DEBUG)
949:         if (ix[i] >= xin->map->N) SETERRQ2(PETSC_COMM_SELF,PETSC_ERR_ARG_OUTOFRANGE,"Out of range index value %D maximum %D",ix[i],xin->map->N);
950: #endif
951:         VecStashValue_Private(&xin->stash,row,y[i]);
952:       }
953:     }
954:   } else {
955:     for (i=0; i<ni; i++) {
956:       if (xin->stash.ignorenegidx && ix[i] < 0) continue;
957: #if defined(PETSC_USE_DEBUG)
958:       if (ix[i] < 0) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_ARG_OUTOFRANGE,"Out of range index value %D cannot be negative",ix[i]);
959: #endif
960:       if ((row = ix[i]) >= start && row < end) {
961:         xx[row-start] += y[i];
962:       } else if (!xin->stash.donotstash) {
963: #if defined(PETSC_USE_DEBUG)
964:         if (ix[i] > xin->map->N) SETERRQ2(PETSC_COMM_SELF,PETSC_ERR_ARG_OUTOFRANGE,"Out of range index value %D maximum %D",ix[i],xin->map->N);
965: #endif
966:         VecStashValue_Private(&xin->stash,row,y[i]);
967:       }
968:     }
969:   }
970:   VecRestoreArray(xin,&xx);
971:   return(0);
972: }

974: PetscErrorCode VecSetValuesBlocked_MPI(Vec xin,PetscInt ni,const PetscInt ix[],const PetscScalar yin[],InsertMode addv)
975: {
976:   PetscMPIInt    rank    = xin->stash.rank;
977:   PetscInt       *owners = xin->map->range,start = owners[rank];
979:   PetscInt       end = owners[rank+1],i,row,bs = PetscAbs(xin->map->bs),j;
980:   PetscScalar    *xx,*y = (PetscScalar*)yin;

983:   VecGetArray(xin,&xx);
984: #if defined(PETSC_USE_DEBUG)
985:   if (xin->stash.insertmode == INSERT_VALUES && addv == ADD_VALUES) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ARG_WRONGSTATE,"You have already inserted values; you cannot now add");
986:   else if (xin->stash.insertmode == ADD_VALUES && addv == INSERT_VALUES) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ARG_WRONGSTATE,"You have already added values; you cannot now insert");
987: #endif
988:   xin->stash.insertmode = addv;

990:   if (addv == INSERT_VALUES) {
991:     for (i=0; i<ni; i++) {
992:       if ((row = bs*ix[i]) >= start && row < end) {
993:         for (j=0; j<bs; j++) xx[row-start+j] = y[j];
994:       } else if (!xin->stash.donotstash) {
995:         if (ix[i] < 0) continue;
996: #if defined(PETSC_USE_DEBUG)
997:         if (ix[i] >= xin->map->N) SETERRQ2(PETSC_COMM_SELF,PETSC_ERR_ARG_OUTOFRANGE,"Out of range index value %D max %D",ix[i],xin->map->N);
998: #endif
999:         VecStashValuesBlocked_Private(&xin->bstash,ix[i],y);
1000:       }
1001:       y += bs;
1002:     }
1003:   } else {
1004:     for (i=0; i<ni; i++) {
1005:       if ((row = bs*ix[i]) >= start && row < end) {
1006:         for (j=0; j<bs; j++) xx[row-start+j] += y[j];
1007:       } else if (!xin->stash.donotstash) {
1008:         if (ix[i] < 0) continue;
1009: #if defined(PETSC_USE_DEBUG)
1010:         if (ix[i] > xin->map->N) SETERRQ2(PETSC_COMM_SELF,PETSC_ERR_ARG_OUTOFRANGE,"Out of range index value %D max %D",ix[i],xin->map->N);
1011: #endif
1012:         VecStashValuesBlocked_Private(&xin->bstash,ix[i],y);
1013:       }
1014:       y += bs;
1015:     }
1016:   }
1017:   VecRestoreArray(xin,&xx);
1018:   return(0);
1019: }

1021: /*
1022:    Since nsends or nreceives may be zero we add 1 in certain mallocs
1023: to make sure we never malloc an empty one.
1024: */
1025: PetscErrorCode VecAssemblyBegin_MPI(Vec xin)
1026: {
1028:   PetscInt       *owners = xin->map->range,*bowners,i,bs,nstash,reallocs;
1029:   PetscMPIInt    size;
1030:   InsertMode     addv;
1031:   MPI_Comm       comm;

1034:   PetscObjectGetComm((PetscObject)xin,&comm);
1035:   if (xin->stash.donotstash) return(0);

1037:   MPIU_Allreduce((PetscEnum*)&xin->stash.insertmode,(PetscEnum*)&addv,1,MPIU_ENUM,MPI_BOR,comm);
1038:   if (addv == (ADD_VALUES|INSERT_VALUES)) SETERRQ(comm,PETSC_ERR_ARG_NOTSAMETYPE,"Some processors inserted values while others added");
1039:   xin->stash.insertmode = addv; /* in case this processor had no cache */
1040:   xin->bstash.insertmode = addv; /* Block stash implicitly tracks InsertMode of scalar stash */

1042:   VecGetBlockSize(xin,&bs);
1043:   MPI_Comm_size(PetscObjectComm((PetscObject)xin),&size);
1044:   if (!xin->bstash.bowners && xin->map->bs != -1) {
1045:     PetscMalloc1(size+1,&bowners);
1046:     for (i=0; i<size+1; i++) bowners[i] = owners[i]/bs;
1047:     xin->bstash.bowners = bowners;
1048:   } else bowners = xin->bstash.bowners;

1050:   VecStashScatterBegin_Private(&xin->stash,owners);
1051:   VecStashScatterBegin_Private(&xin->bstash,bowners);
1052:   VecStashGetInfo_Private(&xin->stash,&nstash,&reallocs);
1053:   PetscInfo2(xin,"Stash has %D entries, uses %D mallocs.\n",nstash,reallocs);
1054:   VecStashGetInfo_Private(&xin->bstash,&nstash,&reallocs);
1055:   PetscInfo2(xin,"Block-Stash has %D entries, uses %D mallocs.\n",nstash,reallocs);
1056:   return(0);
1057: }

1059: PetscErrorCode VecAssemblyEnd_MPI(Vec vec)
1060: {
1062:   PetscInt       base,i,j,*row,flg,bs;
1063:   PetscMPIInt    n;
1064:   PetscScalar    *val,*vv,*array,*xarray;

1067:   if (!vec->stash.donotstash) {
1068:     VecGetArray(vec,&xarray);
1069:     VecGetBlockSize(vec,&bs);
1070:     base = vec->map->range[vec->stash.rank];

1072:     /* Process the stash */
1073:     while (1) {
1074:       VecStashScatterGetMesg_Private(&vec->stash,&n,&row,&val,&flg);
1075:       if (!flg) break;
1076:       if (vec->stash.insertmode == ADD_VALUES) {
1077:         for (i=0; i<n; i++) xarray[row[i] - base] += val[i];
1078:       } else if (vec->stash.insertmode == INSERT_VALUES) {
1079:         for (i=0; i<n; i++) xarray[row[i] - base] = val[i];
1080:       } else SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ARG_CORRUPT,"Insert mode is not set correctly; corrupted vector");
1081:     }
1082:     VecStashScatterEnd_Private(&vec->stash);

1084:     /* now process the block-stash */
1085:     while (1) {
1086:       VecStashScatterGetMesg_Private(&vec->bstash,&n,&row,&val,&flg);
1087:       if (!flg) break;
1088:       for (i=0; i<n; i++) {
1089:         array = xarray+row[i]*bs-base;
1090:         vv    = val+i*bs;
1091:         if (vec->stash.insertmode == ADD_VALUES) {
1092:           for (j=0; j<bs; j++) array[j] += vv[j];
1093:         } else if (vec->stash.insertmode == INSERT_VALUES) {
1094:           for (j=0; j<bs; j++) array[j] = vv[j];
1095:         } else SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ARG_CORRUPT,"Insert mode is not set correctly; corrupted vector");
1096:       }
1097:     }
1098:     VecStashScatterEnd_Private(&vec->bstash);
1099:     VecRestoreArray(vec,&xarray);
1100:   }
1101:   vec->stash.insertmode = NOT_SET_VALUES;
1102:   return(0);
1103: }