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|
|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_EDGE_LIST_MULTI_F N or ZOLTAN_EDGE_LIST_FN