<html><head><meta http-equiv="Content-Type" content="text/html; charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><br class=""><div><br class=""><blockquote type="cite" class=""><div class="">On May 7, 2020, at 2:30 PM, Zhou, Hui via discuss <<a href="mailto:discuss@mpich.org" class="">discuss@mpich.org</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div class="WordSection1" style="page: WordSection1; caret-color: rgb(0, 0, 0); font-family: TrebuchetMS; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;"><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">Hi Martin,<o:p class=""></o:p></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">Could you try the latest version<span class="Apple-converted-space"> </span><a href="https://www.mpich.org/downloads/" style="color: rgb(5, 99, 193); text-decoration: underline;" class="">https://www.mpich.org/downloads/</a><span class="Apple-converted-space"> </span>?<o:p class=""></o:p></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div><div class=""><div class=""><div class=""><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">-- <br class="">Hui Zhou<o:p class=""></o:p></div></div></div></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div><div style="border-style: solid none none; border-top-width: 1pt; border-top-color: rgb(181, 196, 223); padding: 3pt 0in 0in;" class=""><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><b class=""><span style="font-size: 12pt;" class="">From:<span class="Apple-converted-space"> </span></span></b><span style="font-size: 12pt;" class="">Martin Ivanov via discuss <<a href="mailto:discuss@mpich.org" class="">discuss@mpich.org</a>><br class=""><b class="">Reply-To:<span class="Apple-converted-space"> </span></b>"<a href="mailto:discuss@mpich.org" class="">discuss@mpich.org</a>" <<a href="mailto:discuss@mpich.org" class="">discuss@mpich.org</a>><br class=""><b class="">Date:<span class="Apple-converted-space"> </span></b>Thursday, May 7, 2020 at 11:35 AM<br class=""><b class="">To:<span class="Apple-converted-space"> </span></b>"<a href="mailto:discuss@mpich.org" class="">discuss@mpich.org</a>" <<a href="mailto:discuss@mpich.org" class="">discuss@mpich.org</a>><br class=""><b class="">Cc:<span class="Apple-converted-space"> </span></b>Martin Ivanov <<a href="mailto:marto1980@gmail.com" class="">marto1980@gmail.com</a>><br class=""><b class="">Subject:<span class="Apple-converted-space"> </span></b>[mpich-discuss] Run mpich on localhost<o:p class=""></o:p></span></div></div><div class=""><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div></div><div class=""><div class=""><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 12pt; font-family: Arial, sans-serif;" class="">Hello,</span><span style="font-family: Helvetica;" class=""><o:p class=""></o:p></span></div></div><div class=""><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 12pt; font-family: Arial, sans-serif;" class="">I installed mpich-3.0.4 on a x86_64 BSD machine. I need to run MPI on this single machine, which has 8 cores. When I run the cpi example, I get:</span><span style="font-family: Helvetica;" class=""><o:p class=""></o:p></span></div></div><div class=""><div id="gmail-:1jd" style="margin-top: 6pt; font-size: 0.875rem;" class=""><div id="gmail-:1jc" class=""><div class=""><div class=""><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 12pt; font-family: Arial, sans-serif;" class=""><o:p class=""> </o:p></span></div><div class=""><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 12pt; font-family: Arial, sans-serif;" class="">marto@% mpiexec -n 3 mpich-3.0.4/examples/cpi<br class="">ssh: Could not resolve hostname : hostname nor servname provided, or not known<o:p class=""></o:p></span></div></div></div><div class=""><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 12pt; font-family: Arial, sans-serif;" class=""><o:p class=""> </o:p></span></div></div></div></div></div></div></div></div></div></blockquote><br class=""></div><div>Also, how did you configure MPICH? What is your hostname (uname -n), and what is in /etc/hosts?</div><div><br class=""></div><div>Tony</div><div><br class=""></div></body></html>