Scotch is a library for ordering and partitioning, developed at LaBRI in Bordeaux, France. PT-Scotch is the parallel module in Scotch. (We use the names Scotch and PT-Scotch interchangeably.) Scotch is a third-party library in Zoltan and should be obtained separately from the Scotch web site. Zoltan supports version 5.1 of Scotch.
If the parameter ORDER_METHOD is set to SCOTCH, the sequential version of Scotch is called. If the parameter ORDER_METHOD is set to PTSCOTCH, the parallel version of Scotch (PT-Scotch) is called.
| Order_Method String: | PTSCOTCH or SCOTCH |
| Parameters: | |
| SCOTCH_METHOD | For now, always set to NODEND |
| SCOTCH_STRAT | The Scotch strategy string; see the Scotch documentation. |
| SCOTCH_STRAT_FILE | A file that contains an arbitrary long Scotch strategy string; see the Scotch documentation. |
| Required Query Functions: | |
| ZOLTAN_NUM_OBJ_FN | |
| ZOLTAN_OBJ_LIST_FN | |
|
ZOLTAN_NUM_EDGES_MULTI_F
N or
ZOLTAN_NUM_EDGES_FN
ZOLTAN_EDGE_LIST_MULTI_F N or ZOLTAN_EDGE_LIST_FN |