As discussed in the mvapich mailing list, do you really need such big tag? --Junchao Zhang On Wed, Jun 10, 2015 at 8:35 PM, Chaitra Kumar <[email protected]> wrote:
Hi Team,
I am trying to run an application using MVAPICH2-2.0. The application compiles without any error, but at runtime, aborts with following error:
Fatal error in PMPI_Isend:Invalid tag, error stack:PMPI_Isend(149): MPI_Isend(buf=0x7f59b5124300, count=8, MPI_UNSIGNED_LONG, dest=0, tag=1073741824, comm=0x84000001, request=0x132ae24) failed PMPI_Isend(98).: Invalid tag, value is 1073741824
I contacted MVAPICH2 team for this issue: http://mailman.cse.ohio-state.edu/pipermail/mvapich-discuss/2015-June/005623...
They suggested me to contact MPICH team, as the issue is coming from higher level MPICH code.
Can you please help me in resolving this.
Regards, Chaitra
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