[mpich-discuss] environment settings to select the preferred TCP netmask

Ebalunode, Jerry O jebaluno at Central.UH.EDU
Fri Nov 7 16:07:20 CST 2014


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

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

-Jerry

University of Houston

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