The migration tools in the Zoltan library perform communication necessary
for data migration in the application. The routine Zoltan_Migrate
calls application-registered packing routines to gather data to be sent
to other processors. It sends the data using the unstructured
communication package. It then calls application-registered unpacking
routines for each imported object to add received data to the processor's
data structures. See the Zoltan User's Guide
for more details on the use of and interface to the migration tools.
In future releases, the migration tools will be updated to use
MPI data types to support heterogeneous computing architectures.
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