<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div><div style="font-size: 17px; "><div><font class="Apple-style-span" size="4" style="font-size: 21px; "><span class="Apple-style-span" style="font-size: 13px; "><span class="Apple-style-span" style="font-size: medium; "><font class="Apple-style-span" size="3"><span class="Apple-style-span" style="font-size: 13px; "><div>Hello,</div><div><br></div><div>I am working with mpich2, using Grid Engine as batch system and I am testing Hydra framework to get rid of burden of launching mpd thru pe_start (*)</div><div><br></div><div>With hydra, everything seems to be ok, however I have 2 questions</div><div><br></div><div>1/ After compiling hydra framework, I didn't find mpicc in hydra directories</div><div> (so I used mpicc in older mpich2 install) </div><div> Do I need to understand that hydra is "only" an execution framework (mpiexec, etc.) ?</div><div><br></div><div>2/ with Hydra (1.4.1p1) , is it possible to use 10 GigE TCP interface</div><div> We have machines with two TCP interfaces (eth0 = 1Gb/s, eth2 = 10Gb/s)</div><div> with Hydra I can't use eth2 even when specifying -iface eth2</div><div><br></div><div> To be more explicit, running :</div><div> mpiexec -rmk sge -iface eth2 -n $NSLOTS ./bin/advance_test</div><div><br></div><div> I got the eth0 usage, not the eth2 interface</div></span></font></span><div style="font-size: medium; "><div style="font-size: 17px; "><font class="Apple-style-span" size="4" style="font-size: 21px; "><span class="Apple-style-span" style="font-size: 13px; "> >dstat -n -N eth0,eth2</span></font></div><div style="font-size: 17px; "><font class="Apple-style-span" size="4" style="font-size: 21px; "><span class="Apple-style-span" style="font-size: 13px; "> --net/eth0- --net/eth2-</span></font></div><div style="font-size: 17px; "><font class="Apple-style-span" size="4" style="font-size: 21px; "><span class="Apple-style-span" style="font-size: 13px; "> recv send: recv send</span></font></div><div style="font-size: 17px; "><font class="Apple-style-span" size="4" style="font-size: 21px; "><span class="Apple-style-span" style="font-size: 13px; "> 0 0 : 0 0 </span></font></div><div style="font-size: 17px; "><font class="Apple-style-span" size="4" style="font-size: 21px; "><span class="Apple-style-span" style="font-size: 13px; "> 479k 118M: 432B 140B</span></font></div><div style="font-size: 17px; "><font class="Apple-style-span" size="4" style="font-size: 21px; "><span class="Apple-style-span" style="font-size: 13px; "> 476k 118M:1438B 420B</span></font></div><div style="font-size: 17px; "><font class="Apple-style-span" size="4" style="font-size: 21px; "><span class="Apple-style-span" style="font-size: 13px; "> 478k 118M: 0 0 </span></font></div><div style="font-size: 17px; "><font class="Apple-style-span" size="4" style="font-size: 21px; "><span class="Apple-style-span" style="font-size: 13px; "> 475k 118M: 0 0 </span></font></div><div style="font-size: 17px; "><font class="Apple-style-span" size="4" style="font-size: 21px; "><span class="Apple-style-span" style="font-size: 13px; "><br></span></font></div><div style="font-size: 17px; "><font class="Apple-style-span" size="4" style="font-size: 21px; "><span class="Apple-style-span" style="font-size: 13px; "><br></span></font></div><div style="font-size: 17px; "><font class="Apple-style-span" size="4" style="font-size: 21px; "><span class="Apple-style-span" style="font-size: 13px; "> Do I need to use mvapich, for a 10 Gige tcp Network</span></font></div><div style="font-size: 17px; "><font class="Apple-style-span" size="3"><span class="Apple-style-span" style="font-size: 13px; "><br></span></font></div><div style="font-size: 17px; "><font class="Apple-style-span" size="4" style="font-size: 21px; "><span class="Apple-style-span" style="font-size: 13px; ">Best regards</span></font></div><div style="font-size: 17px; "><font class="Apple-style-span" size="3"><span class="Apple-style-span" style="font-size: 13px; "><br></span></font></div><div style="font-size: 17px; "><font class="Apple-style-span" size="4" style="font-size: 21px; "><span class="Apple-style-span" style="font-size: 13px; "><br></span></font></div><div style="font-size: 17px; "><font class="Apple-style-span" size="4" style="font-size: 21px; "><span class="Apple-style-span" style="font-size: 13px; ">* PS : </span></font></div><div style="font-size: 17px; "><font class="Apple-style-span" size="4" style="font-size: 21px; "><span class="Apple-style-span" style="font-size: 13px; "> Other reason for using hydra, is that mpd process are not very stable (in my configuration)</span></font></div><div style="font-size: 17px; "><font class="Apple-style-span" size="4" style="font-size: 21px; "><span class="Apple-style-span" style="font-size: 13px; "> I get mpd launching correctly by gridEngine (qrsh -inherit …) but I encountered instability of mpd process</span></font></div><div style="font-size: 17px; "><font class="Apple-style-span" size="4" style="font-size: 21px; "><span class="Apple-style-span" style="font-size: 13px; "> and got (randomly) message like :</span></font></div><div style="font-size: 17px; "><font class="Apple-style-span" size="4" style="font-size: 21px; "><span class="Apple-style-span" style="font-size: 13px; "></span></font><span class="Apple-style-span" style="font-size: 13px; "> </span><span class="Apple-style-span" style="font-size: 13px; "> handle_rhs_input 1098): back in ring</span></div><div style="font-size: 17px; "><div><div><div><div><div><div><font class="Apple-style-span" size="4" style="font-size: 21px; "><span class="Apple-style-span" style="font-size: 13px; "> handle_lhs_challenge_response 1052): INVALID msg for lhs response msg=:{}:</span></font></div><div><font class="Apple-style-span" size="4" style="font-size: 21px; "><span class="Apple-style-span" style="font-size: 13px; "><br></span></font></div></div><div><font class="Apple-style-span" size="4" style="font-size: 21px; "><span class="Apple-style-span" style="font-size: 13px; "> and, of course, my job abort</span></font></div><div><font class="Apple-style-span" size="4" style="font-size: 21px; "><span class="Apple-style-span" style="font-size: 13px; "> </span></font></div><div><font class="Apple-style-span" size="4" style="font-size: 21px; "><span class="Apple-style-span" style="font-size: 13px; ">---------------<br>Bernard CHAMBON<br>IN2P3 / CNRS<br>04 72 69 42 18<br></span></font></div></div></div></div></div><div><font class="Apple-style-span" size="4" style="font-size: 21px; "><span class="Apple-style-span" style="font-size: 13px; "><br></span></font></div></div></div></span></font></div></div></div></body></html>