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<meta http-equiv="Content-Type" content="text/html; charset=Windows-1252"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; color: rgb(0, 0, 0); font-size: 14px; font-family: Calibri, sans-serif;"><div><div style="font-family: Consolas;">Hello all:</div><div style="font-family: Consolas;">I am currently using mpich3.1.3. I need help in tuning the environment</div><div style="font-family: Consolas;">settings to select the prefferred TCP netmask  or network. The variables</div><div style="font-family: Consolas;"><br></div><div style="font-family: Consolas;">MPICH_TCP_NETMASK </div><div style="font-family: Consolas;">MPICH_NETMASK </div><div style="font-family: Consolas;">MPIR_CVAR_NEMESIS_TCP_NETMASK</div><div style="font-family: Consolas;"><br></div><div style="font-family: Consolas;">don’t seem to the working</div><div style="font-family: Consolas;"><br></div><div style="font-family: Consolas;">Also, how can I tune the eager threshhold. Intel MPI uses I_MPI_THRESHOLD</div><div style="font-family: Consolas;">for doing this. Thanks for all the help advance.</div><div style="font-family: Consolas;"><br></div><div style="font-family: Consolas;">-Jerry</div><div style="font-family: Consolas;"><br></div><div style="font-family: Consolas;">University of Houston</div><blockquote id="MAC_OUTLOOK_ATTRIBUTION_BLOCKQUOTE" style="font-family: Consolas; border-left-color: rgb(181, 196, 223); border-left-width: 5px; border-left-style: solid; padding: 0px 0px 0px 5px; margin: 0px 0px 0px 5px;"><div></div></blockquote><div style="font-family: Consolas;"><br></div></div></body></html>