On Fri, Nov 7, 2014 at 4:07 PM, Ebalunode, Jerry O <[email protected]> wrote:

Hello all: I am currently using mpich3.1.3. I need help in tuning the environment settings to select the prefferred TCP netmask or network. The variables

MPICH_TCP_NETMASK MPICH_NETMASK MPIR_CVAR_NEMESIS_TCP_NETMASK

don’t seem to the working

MPICHers, do we have variables for this purpose? "mpivars | grep MASK" finds none.

Also, how can I tune the eager threshhold. Intel MPI uses I_MPI_THRESHOLD for doing this. Thanks for all the help advance.

mpivars | grep EAGER

-Jerry

University of Houston

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