1 #include <petsc/private/partitionerimpl.h> /*I "petscpartitioner.h" I*/ 2 3 PetscClassId PETSCPARTITIONER_CLASSID = 0; 4 5 PetscFunctionList PetscPartitionerList = NULL; 6 PetscBool PetscPartitionerRegisterAllCalled = PETSC_FALSE; 7 8 /*@C 9 PetscPartitionerRegister - Adds a new PetscPartitioner implementation 10 11 Not Collective 12 13 Input Parameters: 14 + name - The name of a new user-defined creation routine 15 - create_func - The creation routine itself 16 17 Notes: 18 PetscPartitionerRegister() may be called multiple times to add several user-defined PetscPartitioners 19 20 Sample usage: 21 .vb 22 PetscPartitionerRegister("my_part", MyPetscPartitionerCreate); 23 .ve 24 25 Then, your PetscPartitioner type can be chosen with the procedural interface via 26 .vb 27 PetscPartitionerCreate(MPI_Comm, PetscPartitioner *); 28 PetscPartitionerSetType(PetscPartitioner, "my_part"); 29 .ve 30 or at runtime via the option 31 .vb 32 -petscpartitioner_type my_part 33 .ve 34 35 Level: advanced 36 37 .seealso: PetscPartitionerRegisterAll() 38 39 @*/ 40 PetscErrorCode PetscPartitionerRegister(const char sname[], PetscErrorCode (*function)(PetscPartitioner)) 41 { 42 PetscErrorCode ierr; 43 44 PetscFunctionBegin; 45 ierr = PetscFunctionListAdd(&PetscPartitionerList, sname, function);CHKERRQ(ierr); 46 PetscFunctionReturn(0); 47 } 48 49 PETSC_EXTERN PetscErrorCode PetscPartitionerCreate_ParMetis(PetscPartitioner); 50 PETSC_EXTERN PetscErrorCode PetscPartitionerCreate_PTScotch(PetscPartitioner); 51 PETSC_EXTERN PetscErrorCode PetscPartitionerCreate_Chaco(PetscPartitioner); 52 PETSC_EXTERN PetscErrorCode PetscPartitionerCreate_Shell(PetscPartitioner); 53 PETSC_EXTERN PetscErrorCode PetscPartitionerCreate_Simple(PetscPartitioner); 54 PETSC_EXTERN PetscErrorCode PetscPartitionerCreate_Gather(PetscPartitioner); 55 PETSC_EXTERN PetscErrorCode PetscPartitionerCreate_MatPartitioning(PetscPartitioner); 56 57 /*@C 58 PetscPartitionerRegisterAll - Registers all of the PetscPartitioner components in the DM package. 59 60 Not Collective 61 62 Input parameter: 63 . path - The dynamic library path 64 65 Level: advanced 66 67 .seealso: PetscPartitionerRegister(), PetscPartitionerRegisterDestroy() 68 @*/ 69 PetscErrorCode PetscPartitionerRegisterAll(void) 70 { 71 PetscErrorCode ierr; 72 73 PetscFunctionBegin; 74 if (PetscPartitionerRegisterAllCalled) PetscFunctionReturn(0); 75 PetscPartitionerRegisterAllCalled = PETSC_TRUE; 76 77 ierr = PetscPartitionerRegister(PETSCPARTITIONERPARMETIS, PetscPartitionerCreate_ParMetis);CHKERRQ(ierr); 78 ierr = PetscPartitionerRegister(PETSCPARTITIONERPTSCOTCH, PetscPartitionerCreate_PTScotch);CHKERRQ(ierr); 79 ierr = PetscPartitionerRegister(PETSCPARTITIONERCHACO, PetscPartitionerCreate_Chaco);CHKERRQ(ierr); 80 ierr = PetscPartitionerRegister(PETSCPARTITIONERSIMPLE, PetscPartitionerCreate_Simple);CHKERRQ(ierr); 81 ierr = PetscPartitionerRegister(PETSCPARTITIONERSHELL, PetscPartitionerCreate_Shell);CHKERRQ(ierr); 82 ierr = PetscPartitionerRegister(PETSCPARTITIONERGATHER, PetscPartitionerCreate_Gather);CHKERRQ(ierr); 83 ierr = PetscPartitionerRegister(PETSCPARTITIONERMATPARTITIONING, PetscPartitionerCreate_MatPartitioning);CHKERRQ(ierr); 84 PetscFunctionReturn(0); 85 } 86 87 static PetscBool PetscPartitionerPackageInitialized = PETSC_FALSE; 88 89 /*@C 90 PetscPartitionerFinalizePackage - This function finalizes everything in the PetscPartitioner package. 91 It is called from PetscFinalize(). 92 93 Level: developer 94 95 .seealso: PetscInitialize() 96 @*/ 97 PetscErrorCode PetscPartitionerFinalizePackage(void) 98 { 99 PetscErrorCode ierr; 100 101 PetscFunctionBegin; 102 ierr = PetscFunctionListDestroy(&PetscPartitionerList);CHKERRQ(ierr); 103 PetscPartitionerPackageInitialized = PETSC_FALSE; 104 PetscPartitionerRegisterAllCalled = PETSC_FALSE; 105 PetscFunctionReturn(0); 106 } 107 108 /*@C 109 PetscPartitionerInitializePackage - This function initializes everything in the PetscPartitioner package. 110 111 Level: developer 112 113 .seealso: PetscInitialize() 114 @*/ 115 PetscErrorCode PetscPartitionerInitializePackage(void) 116 { 117 char logList[256]; 118 PetscBool opt,pkg; 119 PetscErrorCode ierr; 120 121 PetscFunctionBegin; 122 if (PetscPartitionerPackageInitialized) PetscFunctionReturn(0); 123 PetscPartitionerPackageInitialized = PETSC_TRUE; 124 125 /* Register Classes */ 126 ierr = PetscClassIdRegister("GraphPartitioner",&PETSCPARTITIONER_CLASSID);CHKERRQ(ierr); 127 /* Register Constructors */ 128 ierr = PetscPartitionerRegisterAll();CHKERRQ(ierr); 129 /* Register Events */ 130 /* Process Info */ 131 { 132 PetscClassId classids[1]; 133 134 classids[0] = PETSCPARTITIONER_CLASSID; 135 ierr = PetscInfoProcessClass("partitioner", 1, classids);CHKERRQ(ierr); 136 } 137 /* Process summary exclusions */ 138 ierr = PetscOptionsGetString(NULL,NULL,"-log_exclude",logList,sizeof(logList),&opt);CHKERRQ(ierr); 139 if (opt) { 140 ierr = PetscStrInList("partitioner",logList,',',&pkg);CHKERRQ(ierr); 141 if (pkg) {ierr = PetscLogEventExcludeClass(PETSCPARTITIONER_CLASSID);CHKERRQ(ierr);} 142 } 143 /* Register package finalizer */ 144 ierr = PetscRegisterFinalize(PetscPartitionerFinalizePackage);CHKERRQ(ierr); 145 PetscFunctionReturn(0); 146 } 147