PetscErrorCode PetscViewerFileSetName_MPIIO(PetscViewer viewer,const char name[]) { PetscMPIInt rank; PetscErrorCode ierr; size_t len; PetscViewer_Binary *vbinary = (PetscViewer_Binary*)viewer->data; char *gz; PetscBool found; PetscFileMode type = vbinary->btype; PetscFunctionBegin; if (type == (PetscFileMode) -1) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ORDER,"Must call PetscViewerFileSetMode() before PetscViewerFileSetName()"); ierr = PetscViewerFileClose_MPIIO(viewer);CHKERRQ(ierr); ierr = PetscOptionsGetBool(((PetscObject)viewer)->prefix,"-viewer_binary_skip_info",&vbinary->skipinfo,NULL);CHKERRQ(ierr); ierr = PetscOptionsGetBool(((PetscObject)viewer)->prefix,"-viewer_binary_skip_options",&vbinary->skipoptions,NULL);CHKERRQ(ierr); ierr = MPI_Comm_rank(PetscObjectComm((PetscObject)viewer),&rank);CHKERRQ(ierr); ierr = PetscStrallocpy(name,&vbinary->filename);CHKERRQ(ierr); vbinary->storecompressed = PETSC_FALSE; /* only first processor opens file if writeable */ if (type == FILE_MODE_READ) { MPI_File_open(PetscObjectComm((PetscObject)viewer),vbinary->filename,MPI_MODE_RDONLY,MPI_INFO_NULL,&vbinary->mfdes);CHKERRQ(ierr); } else if (type == FILE_MODE_WRITE) { MPI_File_open(PetscObjectComm((PetscObject)viewer),vbinary->filename,MPI_MODE_WRONLY | MPI_MODE_CREATE,MPI_INFO_NULL,&vbinary->mfdes);CHKERRQ(ierr); } /* try to open info file: all processors open this file if read only Below is identical code to the code for Binary above, should be put in seperate routine */ if (!vbinary->skipinfo && (!rank || type == FILE_MODE_READ)) { char infoname[PETSC_MAX_PATH_LEN],iname[PETSC_MAX_PATH_LEN]; ierr = PetscStrcpy(infoname,name);CHKERRQ(ierr); /* remove .gz if it ends library name */ ierr = PetscStrstr(infoname,".gz",&gz);CHKERRQ(ierr); if (gz) { ierr = PetscStrlen(gz,&len);CHKERRQ(ierr); if (len == 3) *gz = 0; } ierr = PetscStrcat(infoname,".info");CHKERRQ(ierr); ierr = PetscFixFilename(infoname,iname);CHKERRQ(ierr); if (type == FILE_MODE_READ) { ierr = PetscFileRetrieve(PetscObjectComm((PetscObject)viewer),iname,infoname,PETSC_MAX_PATH_LEN,&found);CHKERRQ(ierr); ierr = PetscOptionsInsertFile(PetscObjectComm((PetscObject)viewer),infoname,PETSC_FALSE);CHKERRQ(ierr); } else { vbinary->fdes_info = fopen(infoname,"w"); if (!vbinary->fdes_info) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_FILE_OPEN,"Cannot open .info file %s for writing",infoname); } } #if defined(PETSC_USE_LOG) PetscLogObjectState((PetscObject)viewer,"File: %s",name); #endif PetscFunctionReturn(0); }
// ------------------------------------------------------------- // Initialize // ------------------------------------------------------------- /// Does whatever is necessary to start up the PETSc library void Initialize(void) { if (Initialized()) return; PetscErrorCode ierr(0); PetscBool flg; #if USE_PROGRESS_RANKS gridpack::parallel::Communicator comm; MPI_Comm world = GA_MPI_Comm(); PETSC_COMM_WORLD = world; #endif try { // Turn this on to enable PETSc logging. #if 0 int argc = 2; char **args; args = new char*[2]; args[0] = new char[32]; args[1] = new char[32]; sprintf(args[0],"powerflow.x"); sprintf(args[1],"-log_summary"); ierr = PetscInitialize(&argc,&args,NULL,NULL); CHKERRXX(ierr); delete [] args[1]; delete [] args[0]; delete [] args; #else ierr = PetscInitializeNoArguments(); CHKERRXX(ierr); #endif PetscOptionsHasName( #if PETSC_VERSION_GE(3,7,0) NULL, #endif NULL, "-log_summary", &flg); ierr = PetscOptionsInsertFile(PETSC_COMM_WORLD, #if PETSC_VERSION_GE(3,7,0) NULL, #endif "gridpack.petscrc", PETSC_FALSE); CHKERRXX(ierr); } catch (const PETSC_EXCEPTION_TYPE& e) { throw PETScException(ierr, e); } // Print out some information on processor configuration int mpi_err, me, nproc; mpi_err = MPI_Comm_rank(PETSC_COMM_WORLD, &me); mpi_err = MPI_Comm_size(PETSC_COMM_WORLD, &nproc); if (mpi_err > 0) { throw gridpack::Exception("MPI initialization failed"); } if (me == 0) { printf("\nGridPACK math module configured on %d processors\n",nproc); } }
PetscErrorCode PetscViewerFileSetName_Binary(PetscViewer viewer,const char name[]) { PetscMPIInt rank; PetscErrorCode ierr; size_t len; PetscViewer_Binary *vbinary = (PetscViewer_Binary*)viewer->data; const char *fname; char bname[PETSC_MAX_PATH_LEN],*gz; PetscBool found; PetscFileMode type = vbinary->btype; PetscFunctionBegin; if (type == (PetscFileMode) -1) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ORDER,"Must call PetscViewerFileSetMode() before PetscViewerFileSetName()"); ierr = PetscViewerFileClose_Binary(viewer);CHKERRQ(ierr); ierr = PetscOptionsGetBool(((PetscObject)viewer)->prefix,"-viewer_binary_skip_info",&vbinary->skipinfo,NULL);CHKERRQ(ierr); ierr = PetscOptionsGetBool(((PetscObject)viewer)->prefix,"-viewer_binary_skip_options",&vbinary->skipoptions,NULL);CHKERRQ(ierr); ierr = PetscOptionsGetBool(((PetscObject)viewer)->prefix,"-viewer_binary_skip_header",&vbinary->skipheader,NULL);CHKERRQ(ierr); ierr = MPI_Comm_rank(PetscObjectComm((PetscObject)viewer),&rank);CHKERRQ(ierr); /* copy name so we can edit it */ ierr = PetscStrallocpy(name,&vbinary->filename);CHKERRQ(ierr); /* if ends in .gz strip that off and note user wants file compressed */ vbinary->storecompressed = PETSC_FALSE; if (!rank && type == FILE_MODE_WRITE) { /* remove .gz if it ends library name */ ierr = PetscStrstr(vbinary->filename,".gz",&gz);CHKERRQ(ierr); if (gz) { ierr = PetscStrlen(gz,&len);CHKERRQ(ierr); if (len == 3) { *gz = 0; vbinary->storecompressed = PETSC_TRUE; } } } /* only first processor opens file if writeable */ if (!rank || type == FILE_MODE_READ) { if (type == FILE_MODE_READ) { /* possibly get the file from remote site or compressed file */ ierr = PetscFileRetrieve(PetscObjectComm((PetscObject)viewer),vbinary->filename,bname,PETSC_MAX_PATH_LEN,&found);CHKERRQ(ierr); fname = bname; if (!rank && !found) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_FILE_OPEN,"Cannot locate file: %s on node zero",vbinary->filename); else if (!found) { ierr = PetscInfo(viewer,"Nonzero processor did not locate readonly file\n");CHKERRQ(ierr); fname = 0; } } else fname = vbinary->filename; #if defined(PETSC_HAVE_O_BINARY) if (type == FILE_MODE_WRITE) { if ((vbinary->fdes = open(fname,O_WRONLY|O_CREAT|O_TRUNC|O_BINARY,0666)) == -1) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_FILE_OPEN,"Cannot create file %s for writing",fname); } else if (type == FILE_MODE_READ && fname) { if ((vbinary->fdes = open(fname,O_RDONLY|O_BINARY,0)) == -1) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_FILE_OPEN,"Cannot open file %s for reading",fname); } else if (type == FILE_MODE_APPEND) { if ((vbinary->fdes = open(fname,O_WRONLY|O_APPEND|O_BINARY,0)) == -1) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_FILE_OPEN,"Cannot open file %s for writing",fname); } else if (fname) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ARG_OUTOFRANGE,"Unknown file type"); #else if (type == FILE_MODE_WRITE) { if ((vbinary->fdes = creat(fname,0666)) == -1) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_FILE_OPEN,"Cannot create file %s for writing",fname); } else if (type == FILE_MODE_READ && fname) { if ((vbinary->fdes = open(fname,O_RDONLY,0)) == -1) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_FILE_OPEN,"Cannot open file %s for reading",fname); } else if (type == FILE_MODE_APPEND) { if ((vbinary->fdes = open(fname,O_WRONLY|O_APPEND,0)) == -1) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_FILE_OPEN,"Cannot open file %s for writing",fname); } else if (fname) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ARG_OUTOFRANGE,"Unknown file type"); #endif } else vbinary->fdes = -1; /* try to open info file: all processors open this file if read only */ if (!vbinary->skipinfo && (!rank || type == FILE_MODE_READ)) { char infoname[PETSC_MAX_PATH_LEN],iname[PETSC_MAX_PATH_LEN]; ierr = PetscStrcpy(infoname,name);CHKERRQ(ierr); /* remove .gz if it ends library name */ ierr = PetscStrstr(infoname,".gz",&gz);CHKERRQ(ierr); if (gz) { ierr = PetscStrlen(gz,&len);CHKERRQ(ierr); if (len == 3) *gz = 0; } ierr = PetscStrcat(infoname,".info");CHKERRQ(ierr); ierr = PetscFixFilename(infoname,iname);CHKERRQ(ierr); if (type == FILE_MODE_READ) { ierr = PetscFileRetrieve(PetscObjectComm((PetscObject)viewer),iname,infoname,PETSC_MAX_PATH_LEN,&found);CHKERRQ(ierr); ierr = PetscOptionsInsertFile(PetscObjectComm((PetscObject)viewer),infoname,PETSC_FALSE);CHKERRQ(ierr); } else { vbinary->fdes_info = fopen(infoname,"w"); if (!vbinary->fdes_info) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_FILE_OPEN,"Cannot open .info file %s for writing",infoname); } } #if defined(PETSC_USE_LOG) PetscLogObjectState((PetscObject)viewer,"File: %s",name); #endif PetscFunctionReturn(0); }