KNOWN ISSUE: MPICH2 parallel cases may perform badly when run on Windows Vista or Windows 7


SYMPTOM:
Parallel performance may be poor for CFX cases run in distributed parallel using MPICH2 on machines running Windows Vista or Windows 7.

PROBLEM:
This is due to network/driver issues.

WORKAROUND:
Use the HP MPI Distributed Parallel start method instead.

FIXED IN:
No fix is currently available.





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