This was on v1.3 r19845.
--td
Edgar Gabriel wrote:
Terry,
was this with the trunk or v1.3? If it was the trunk, was it before
r19929 was applied? The reason I ask is because r19929 should remove
all error messages related to 'non-existing communictors'. Hierarch
btw. is not the cause for the error messages even before that, it just
exposes it more frequently...
Thanks
Edgar
Terry Dontje wrote:
I am seeing the message "Dropped message for the non-existing
communicator" when running hpcc with np=124 against r19845. This
seems to be pretty reproducible at np=124. When the job prints out
the message above some set of processes are in an MPI_Bcast and the
15 processes reporting the message are stuck in MPI_Barrier.
I am not sure how related this is to #1408 since I am not invoking
the hierarchical collectives. I just wanted to see if anyone else
has tried to run hpcc at such an np size with any success.
My next steps are to try to run this with the latest trunk and to
narrow down the failing case.
--td
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