<html><head>
<meta http-equiv="Content-Type" content="text/html; charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;">I tried disabling the firewall real quick and still got the same results.<div><br></div><div>However, at one point I got the following error:</div><div><div style="margin: 0px; font-size: 11px; font-family: Menlo;">[proxy:0:1@Pi02] launch_procs (/home/pi/mpich2/mpich-3.1/src/pm/hydra/pm/pmiserv/pmip_cb.c:641): unable to change wdir to /home/pi/mpi_test (No such file or directory)</div><div><br></div><div>So I scratched my head and wondered if it was something as silly as the fact that I was calling mpiexec from a directory that existed on Pi01 and not on the other three. I quickly created the same directory on the other three Pis and bam:</div><div><br></div><div><div style="margin: 0px; font-size: 11px; font-family: Menlo;"><span style="color: #34bd26"><b>pi@Pi01</b></span> <span style="color: #5330e1"><b>~/mpi_test $</b></span> mpiexec -f machinefile -n 4 hostname</div><div style="margin: 0px; font-size: 11px; font-family: Menlo;">Pi01</div><div style="margin: 0px; font-size: 11px; font-family: Menlo;">Pi04</div><div style="margin: 0px; font-size: 11px; font-family: Menlo;">Pi03</div><div style="margin: 0px; font-size: 11px; font-family: Menlo;">Pi02</div></div><div style="margin: 0px; font-size: 11px; font-family: Menlo;"><br></div><div style="margin: 0px; font-size: 11px; font-family: Menlo;">Was it really that simple?</div><div style="margin: 0px; font-size: 11px; font-family: Menlo;"><br></div><div style="margin: 0px; font-size: 11px; font-family: Menlo;">Thanks.</div><div style="margin: 0px; font-size: 11px; font-family: Menlo;"><br></div><div style="margin: 0px; font-size: 11px; font-family: Menlo;">Ken</div><div style="margin: 0px; font-size: 11px; font-family: Menlo;"><br></div><div><div>On Apr 3, 2015, at 3:05 AM, Winkler, Ursula (<a href="mailto:ursula.winkler@uni-graz.at">ursula.winkler@uni-graz.at</a>) <<a href="mailto:ursula.winkler@uni-graz.at">ursula.winkler@uni-graz.at</a>> wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div lang="DE-AT" link="blue" vlink="purple" style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;"><div class="WordSection1" style="page: WordSection1;"><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125);">Hi,<o:p></o:p></span></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125);"> </span></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span lang="EN-US" style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125);">did you check the firewall?<o:p></o:p></span></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span lang="EN-US" style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125);"> </span></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span lang="EN-US" style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125);">Ursula<o:p></o:p></span></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span lang="EN-US" style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125);"> </span></div><div><div style="border-style: solid none none; border-top-color: rgb(181, 196, 223); border-top-width: 1pt; padding: 3pt 0cm 0cm;"><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><b><span lang="DE" style="font-size: 10pt; font-family: Tahoma, sans-serif;">Von:</span></b><span lang="DE" style="font-size: 10pt; font-family: Tahoma, sans-serif;"><span class="Apple-converted-space"> </span>Ken Miller [<a href="mailto:swonomo@gmail.com" style="color: purple; text-decoration: underline;">mailto:swonomo@gmail.com</a>]<span class="Apple-converted-space"> </span><br><b>Gesendet:</b><span class="Apple-converted-space"> </span>Freitag, 03. April 2015 02:34<br><b>An:</b><span class="Apple-converted-space"> </span><a href="mailto:discuss@mpich.org" style="color: purple; text-decoration: underline;">discuss@mpich.org</a><br><b>Betreff:</b><span class="Apple-converted-space"> </span>[mpich-discuss] Unexpected results<o:p></o:p></span></div></div></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><o:p> </o:p></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;">Hello,<o:p></o:p></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><o:p> </o:p></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;">I am hoping someone might be able to point out what I am doing wrong. I have setup a Raspberry Pi cluster by going through a couple tutorials. The last step is to use MPI to test the cluster. Everything was going great until I ran the following command:<o:p></o:p></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><o:p> </o:p></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-size: 8.5pt; font-family: Menlo, serif;">mpiexec -f machinefile -n 4 hostname<o:p></o:p></span></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-size: 8.5pt; font-family: Menlo, serif;"> </span></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-size: 8.5pt; font-family: Menlo, serif;">My machinefile contains the following:<o:p></o:p></span></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-size: 8.5pt; font-family: Menlo, serif;"> </span></div></div><div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><b><span style="font-size: 8.5pt; font-family: Menlo, serif; color: rgb(52, 189, 38);">pi@Pi01</span></b><span style="font-size: 8.5pt; font-family: Menlo, serif;"><span class="Apple-converted-space"> </span><b><span style="color: rgb(83, 48, 225);">~/mpi_test $</span></b><span class="Apple-converted-space"> </span>cat machinefile<o:p></o:p></span></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-size: 8.5pt; font-family: Menlo, serif;">192.168.2.121<o:p></o:p></span></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-size: 8.5pt; font-family: Menlo, serif;">192.168.2.122<o:p></o:p></span></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-size: 8.5pt; font-family: Menlo, serif;">192.168.2.123<o:p></o:p></span></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-size: 8.5pt; font-family: Menlo, serif;">192.168.2.124<o:p></o:p></span></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-size: 8.5pt; font-family: Menlo, serif;"> </span></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-size: 8.5pt; font-family: Menlo, serif;">But, when I run the mpiexec command, I get the following error:<o:p></o:p></span></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-size: 8.5pt; font-family: Menlo, serif;"> </span></div></div><div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><b><span style="font-size: 8.5pt; font-family: Menlo, serif; color: rgb(52, 189, 38);">pi@Pi01</span></b><span style="font-size: 8.5pt; font-family: Menlo, serif;"><span class="Apple-converted-space"> </span><b><span style="color: rgb(83, 48, 225);">~/mpi_test $</span></b><span class="Apple-converted-space"> </span>mpiexec -f machinefile -n 4 hostname<o:p></o:p></span></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-size: 8.5pt; font-family: Menlo, serif;">Pi01<o:p></o:p></span></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-size: 8.5pt; font-family: Menlo, serif;">[mpiexec@Pi01] control_cb (/home/pi/mpich2/mpich-3.1/src/pm/hydra/pm/pmiserv/pmiserv_cb.c:200): assert (!closed) failed<o:p></o:p></span></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-size: 8.5pt; font-family: Menlo, serif;">[mpiexec@Pi01] HYDT_dmxu_poll_wait_for_event (/home/pi/mpich2/mpich-3.1/src/pm/hydra/tools/demux/demux_poll.c:76): callback returned error status<o:p></o:p></span></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-size: 8.5pt; font-family: Menlo, serif;">[mpiexec@Pi01] HYD_pmci_wait_for_completion (/home/pi/mpich2/mpich-3.1/src/pm/hydra/pm/pmiserv/pmiserv_pmci.c:198): error waiting for event<o:p></o:p></span></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-size: 8.5pt; font-family: Menlo, serif;">[mpiexec@Pi01] main (/home/pi/mpich2/mpich-3.1/src/pm/hydra/ui/mpich/mpiexec.c:336): process manager error waiting for completion<o:p></o:p></span></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><b><span style="font-size: 8.5pt; font-family: Menlo, serif; color: rgb(52, 189, 38);">pi@Pi01</span></b><span style="font-size: 8.5pt; font-family: Menlo, serif;"> </span><b><span style="font-size: 8.5pt; font-family: Menlo, serif; color: rgb(83, 48, 225);">~/mpi_test $</span></b><span style="font-size: 8.5pt; font-family: Menlo, serif;"> </span><span style="font-size: 8.5pt; font-family: Menlo, serif; color: rgb(83, 48, 225);"><o:p></o:p></span></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-size: 8.5pt; font-family: Menlo, serif; color: rgb(83, 48, 225);"> </span></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-size: 8.5pt; font-family: Menlo, serif;">Clearly, I am missing something. Would appreciate any help in advance.</span><span style="font-size: 8.5pt; font-family: Menlo, serif; color: rgb(83, 48, 225);"><o:p></o:p></span></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-size: 8.5pt; font-family: Menlo, serif; color: rgb(83, 48, 225);"> </span></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-size: 8.5pt; font-family: Menlo, serif;">Thanks.</span><span style="font-size: 8.5pt; font-family: Menlo, serif; color: rgb(83, 48, 225);"><o:p></o:p></span></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-size: 8.5pt; font-family: Menlo, serif; color: rgb(83, 48, 225);"> </span></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-size: 8.5pt; font-family: Menlo, serif;">Ken</span><span style="font-size: 8.5pt; font-family: Menlo, serif; color: rgb(83, 48, 225);"><o:p></o:p></span></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-size: 8.5pt; font-family: Menlo, serif; color: rgb(83, 48, 225);"> </span></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-size: 8.5pt; font-family: Menlo, serif;">ps. I am connected to the other Pis evident by the following ping results. I can also log into each of the other 3 Pis.</span><o:p></o:p></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><o:p> </o:p></div></div><div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-size: 8.5pt; font-family: Menlo, serif;">ping 192.168.2.122<o:p></o:p></span></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-size: 8.5pt; font-family: Menlo, serif;">PING 192.168.2.122 (192.168.2.122) 56(84) bytes of data.<o:p></o:p></span></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-size: 8.5pt; font-family: Menlo, serif;">64 bytes from 192.168.2.122: icmp_req=1 ttl=64 time=0.807 ms<o:p></o:p></span></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-size: 8.5pt; font-family: Menlo, serif;">64 bytes from 192.168.2.122: icmp_req=2 ttl=64 time=0.626 ms<o:p></o:p></span></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-size: 8.5pt; font-family: Menlo, serif;">64 bytes from 192.168.2.122: icmp_req=3 ttl=64 time=0.614 ms<o:p></o:p></span></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-size: 8.5pt; font-family: Menlo, serif;">64 bytes from 192.168.2.122: icmp_req=4 ttl=64 time=0.605 ms<o:p></o:p></span></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-size: 8.5pt; font-family: Menlo, serif;">64 bytes from 192.168.2.122: icmp_req=5 ttl=64 time=0.603 ms<o:p></o:p></span></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-size: 8.5pt; font-family: Menlo, serif;">^C<o:p></o:p></span></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-size: 8.5pt; font-family: Menlo, serif;">--- 192.168.2.122 ping statistics ---<o:p></o:p></span></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-size: 8.5pt; font-family: Menlo, serif;">5 packets transmitted, 5 received, 0% packet loss, time 4002ms<o:p></o:p></span></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-size: 8.5pt; font-family: Menlo, serif;">rtt min/avg/max/mdev = 0.603/0.651/0.807/0.078 ms<o:p></o:p></span></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><b><span style="font-size: 8.5pt; font-family: Menlo, serif; color: rgb(52, 189, 38);">pi@Pi01</span></b><span style="font-size: 8.5pt; font-family: Menlo, serif;"><span class="Apple-converted-space"> </span><b><span style="color: rgb(83, 48, 225);">~/mpi_test $</span></b><span class="Apple-converted-space"> </span>ping 192.168.2.123<o:p></o:p></span></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-size: 8.5pt; font-family: Menlo, serif;">PING 192.168.2.123 (192.168.2.123) 56(84) bytes of data.<o:p></o:p></span></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-size: 8.5pt; font-family: Menlo, serif;">64 bytes from 192.168.2.123: icmp_req=1 ttl=64 time=0.794 ms<o:p></o:p></span></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-size: 8.5pt; font-family: Menlo, serif;">64 bytes from 192.168.2.123: icmp_req=2 ttl=64 time=0.634 ms<o:p></o:p></span></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-size: 8.5pt; font-family: Menlo, serif;">64 bytes from 192.168.2.123: icmp_req=3 ttl=64 time=0.628 ms<o:p></o:p></span></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-size: 8.5pt; font-family: Menlo, serif;">64 bytes from 192.168.2.123: icmp_req=4 ttl=64 time=0.607 ms<o:p></o:p></span></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-size: 8.5pt; font-family: Menlo, serif;">^C<o:p></o:p></span></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-size: 8.5pt; font-family: Menlo, serif;">--- 192.168.2.123 ping statistics ---<o:p></o:p></span></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-size: 8.5pt; font-family: Menlo, serif;">4 packets transmitted, 4 received, 0% packet loss, time 3003ms<o:p></o:p></span></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-size: 8.5pt; font-family: Menlo, serif;">rtt min/avg/max/mdev = 0.607/0.665/0.794/0.081 ms<o:p></o:p></span></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><b><span style="font-size: 8.5pt; font-family: Menlo, serif; color: rgb(52, 189, 38);">pi@Pi01</span></b><span style="font-size: 8.5pt; font-family: Menlo, serif;"><span class="Apple-converted-space"> </span><b><span style="color: rgb(83, 48, 225);">~/mpi_test $</span></b><span class="Apple-converted-space"> </span>ping 192.168.2.124<o:p></o:p></span></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-size: 8.5pt; font-family: Menlo, serif;">PING 192.168.2.124 (192.168.2.124) 56(84) bytes of data.<o:p></o:p></span></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-size: 8.5pt; font-family: Menlo, serif;">64 bytes from 192.168.2.124: icmp_req=1 ttl=64 time=0.787 ms<o:p></o:p></span></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-size: 8.5pt; font-family: Menlo, serif;">64 bytes from 192.168.2.124: icmp_req=2 ttl=64 time=0.632 ms<o:p></o:p></span></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-size: 8.5pt; font-family: Menlo, serif;">64 bytes from 192.168.2.124: icmp_req=3 ttl=64 time=0.612 ms<o:p></o:p></span></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-size: 8.5pt; font-family: Menlo, serif;">^C<o:p></o:p></span></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-size: 8.5pt; font-family: Menlo, serif;">--- 192.168.2.124 ping statistics ---<o:p></o:p></span></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-size: 8.5pt; font-family: Menlo, serif;">3 packets transmitted, 3 received, 0% packet loss, time 2002ms<o:p></o:p></span></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-size: 8.5pt; font-family: Menlo, serif;">rtt min/avg/max/mdev = 0.612/0.677/0.787/0.078 ms<o:p></o:p></span></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><b><span style="font-size: 8.5pt; font-family: Menlo, serif; color: rgb(52, 189, 38);">pi@Pi01</span></b><span style="font-size: 8.5pt; font-family: Menlo, serif;"> </span><b><span style="font-size: 8.5pt; font-family: Menlo, serif; color: rgb(83, 48, 225);">~/mpi_test $</span></b><span style="font-size: 8.5pt; font-family: Menlo, serif;"> </span><span style="font-size: 8.5pt; font-family: Menlo, serif; color: rgb(83, 48, 225);"><o:p></o:p></span></div></div></div></div></div></div>_______________________________________________<br>discuss mailing list <a href="mailto:discuss@mpich.org" style="color: purple; text-decoration: underline;">discuss@mpich.org</a><br>To manage subscription options or unsubscribe:<br><a href="https://lists.mpich.org/mailman/listinfo/discuss" style="color: purple; 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