On Mon, 18 Sep 2017, Boris Boutkov wrote:
- I often attach a gdb session to the running program and notice
the commonly recurring stack (see below). It seems the issue is
always around the HilbertIndices parallel sort communicate_bins()
with invalid looking communicator ids in the above PMPI_
Intel MPI Library Version 2017.0.1
I tried devel mode earlier and it was getting stuck at the same spot inside
the communicate_bins() call; specifically when trying this->comm().get() in
the MPI_Gatherv which was inlined away. I saw no output indicating
something was wrong in terms of asserts, but