Pavan,<div><br></div><div>This seems to be something to do with my environment. I tried a fresh check-out of MPICH2 but still see the same issue. I see the same error with any of the hwloc commands available from my MPICH2 build. </div>
<div><br></div><div><meta charset="utf-8">However, none of the other folks here see it.</div><div><br></div><div><meta charset="utf-8">I will try to figure out whats wrong.</div><div><br></div><div>Thanks for your time and sorry for the trouble. </div>
<div><br></div><div>Sreeram Potluri<br><br><div class="gmail_quote">On Wed, Nov 10, 2010 at 9:11 AM, Pavan Balaji <span dir="ltr"><<a href="mailto:balaji@mcs.anl.gov">balaji@mcs.anl.gov</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
<br>
Works fine for me.<div class="im"><br>
<br>
/home/balaji/software/mpich2/mpich2-trunk-r7431<br></div>
#wci-login# Wed Nov 10 09:10> ./bin/mpiexec -n 2 -binding user:0,1 ./examples/cpi<br>
Process 0 of 2 is on wci37<br>
Process 1 of 2 is on wci37<div class="im"><br>
pi is approximately 3.1415926544231318, Error is 0.0000000008333387<br></div>
wall clock time = 0.000264<div class="im"><br>
<br>
/home/balaji/software/mpich2/mpich2-trunk-r7431<br></div>
#wci-login# Wed Nov 10 09:10> echo $SLURM_NODELIST<br>
wci[37-38]<div class="im"><br>
<br>
/home/balaji/software/mpich2/mpich2-trunk-r7431<br></div>
#wci-login# Wed Nov 10 09:11> ./bin/mpiexec -n 16 -binding user:0,1 ./examples/cpi<br>
Process 5 of 16 is on wci37<br>
Process 6 of 16 is on wci37<br>
Process 0 of 16 is on wci37<br>
Process 1 of 16 is on wci37<br>
Process 3 of 16 is on wci37<br>
Process 4 of 16 is on wci37<br>
Process 2 of 16 is on wci37<br>
Process 7 of 16 is on wci37<br>
Process 8 of 16 is on wci38<br>
Process 9 of 16 is on wci38<br>
Process 10 of 16 is on wci38<br>
Process 11 of 16 is on wci38<br>
Process 13 of 16 is on wci38<br>
Process 14 of 16 is on wci38<br>
Process 15 of 16 is on wci38<br>
Process 12 of 16 is on wci38<br>
pi is approximately 3.1415926544231274, Error is 0.0000000008333343<br>
wall clock time = 0.002389<br><font color="#888888">
<br>
-- Pavan</font><div><div></div><div class="h5"><br>
<br>
On 11/10/2010 08:09 AM, Sayantan Sur wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
Hi Pavan,<br>
<br>
You should be able to 'salloc' them and use them.<br>
<br>
On Wed, Nov 10, 2010 at 9:05 AM, Pavan Balaji<<a href="mailto:balaji@mcs.anl.gov" target="_blank">balaji@mcs.anl.gov</a>> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<br>
On 11/10/2010 08:02 AM, sreeram potluri wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<br>
I am cc'ing Jonathan in this email. I think he should be able to get you<br>
access.<br>
</blockquote>
<br>
I already have an account. I just need to know if I need to reserve machines<br>
in some way, or just salloc them and use them.<br>
<br>
Btw, it seems to work fine on the login node:<br>
<br>
/home/balaji/software/mpich2/mpich2-trunk-r7431<br>
#wci-login# Wed Nov 10 09:01> ./bin/mpiexec -f ~/hosts -n 2 -binding<br>
user:0,1 ./examples/cpi<br>
Process 0 of 2 is on <a href="http://wci-login.cse.ohio-state.edu" target="_blank">wci-login.cse.ohio-state.edu</a><br>
Process 1 of 2 is on <a href="http://wci-login.cse.ohio-state.edu" target="_blank">wci-login.cse.ohio-state.edu</a><br>
pi is approximately 3.1415926544231318, Error is 0.0000000008333387<br>
wall clock time = 0.001009<br>
<br>
/home/balaji/software/mpich2/mpich2-trunk-r7431<br>
#wci-login# Wed Nov 10 09:04> cat ~/hosts<br>
wci-login<br>
127.0.0.1<br>
<br>
-- Pavan<br>
<br>
--<br>
Pavan Balaji<br>
<a href="http://www.mcs.anl.gov/~balaji" target="_blank">http://www.mcs.anl.gov/~balaji</a><br>
<br>
<br>
</blockquote>
<br>
<br>
<br>
</blockquote>
<br>
-- <br>
Pavan Balaji<br>
<a href="http://www.mcs.anl.gov/~balaji" target="_blank">http://www.mcs.anl.gov/~balaji</a><br>
</div></div></blockquote></div><br></div>