Re: [bgl-discuss] Re: [bgl-support] MPI_MAPPING vs. BGLMPI_MAPPING

[Narayan Desai <desai@xxxxxxxxxxx>]

>>>>> "Dinesh" == Dinesh Kaushik <kaushik@xxxxxxxxxxx> writes:

  Dinesh> Narayan and Susan, After testing on a dedicated partition, I
  Dinesh> conclude that the current mpirun is broken. It generates an
  Dinesh> error if BGLMPI_MAPPING is specified:

  Dinesh> <Aug 1 22:24:07> FE_MPI (ERROR): You have used both
  Dinesh> BGLMPI_MAPPING and MPI_MAPPING env. vars

  Dinesh> Specifying MPI_MAPPING=TXYZ does not change the default
  Dinesh> mapping (XYZT).

  Dinesh> Right now, the only way to change the mapping seems through
  Dinesh> -mapfile option for mpirun. This works as expected. However,
  Dinesh> we do not have this option supported through the scheduler
  Dinesh> (please correct me if I am wrong).

I got a patch late last week from NCAR to work around this problem. We
should install it during the next maintenance window.
 -nld

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