Scyld and MPICH.
gropp at mcs.anl.gov
Thu Nov 6 12:48:24 EST 2003
At 10:55 AM 11/6/2003, Zukaitis, Anthony wrote:
>I am having a problem with MPI_reduce and I believe that it is a buffer size
>error. Is there a way to calculate the maximum size of the buffer and what
>is the maximum size of the buffer allowed? It does not seem to be linear
>with the number of processors.
There should be no maximum buffer size, though the ch_p4 device does impose
a limit when shared memory is used to transfer a message. Do you have an
example program that we could test (Bug reports for MPICH should be sent to
mpi-maint at mcs.anl.gov)
Beowulf mailing list, Beowulf at beowulf.org
To change your subscription (digest mode or unsubscribe) visit http://www.beowulf.org/mailman/listinfo/beowulf
More information about the Beowulf