<blockquote style="BORDER-LEFT:#ccc 1px solid;MARGIN:0px 0px 0px 0.8ex;PADDING-LEFT:1ex" class="gmail_quote">Does the response to mpiexec -n 5 indicate that mpich2 is now operational?<br></blockquote>Yeah.<br>
<blockquote style="BORDER-LEFT:#ccc 1px solid;MARGIN:0px 0px 0px 0.8ex;PADDING-LEFT:1ex" class="gmail_quote">Also, as at present we are using only one node is it necessary to have the file "machinefile" at all?<br>
</blockquote>no, you can just ignore it. It's not necessary in your scenario.<br><br>
<div class="gmail_quote">On Thu, May 3, 2012 at 7:42 PM, O'Sullivan, Niall (HMRC) <span dir="ltr"><<a href="mailto:n.osullivan@ucc.ie" target="_blank">n.osullivan@ucc.ie</a>></span> wrote:<br>
<blockquote style="BORDER-LEFT:#ccc 1px solid;MARGIN:0px 0px 0px 0.8ex;PADDING-LEFT:1ex" class="gmail_quote">
<div class="im">Thank you for your response.<br><br></div>Does the response to mpiexec -n 5 indicate that mpich2 is now operational?<br><br>Also, as at present we are using only one node is it necessary to have the file "machinefile" at all?<br>
<div class="im"><br>Best regards,<br>Niall O'Sullivan<br><br><br></div>-----Orie ginal Message-----<br>
<div class="im">From: <a href="mailto:mpich-discuss-bounces@mcs.anl.gov">mpich-discuss-bounces@mcs.anl.gov</a> on behalf of Ju JiaJia<br></div>Sent: Thu 5/3/2012 10:44 AM<br>
<div class="HOEnZb">
<div class="h5">To: <a href="mailto:mpich-discuss@mcs.anl.gov">mpich-discuss@mcs.anl.gov</a><br>Subject: Re: [mpich-discuss] Compiling mpich2 using Intel Fortran Compilerv12<br><br>If you use -f to specify hosts to use, the file machinefile in your case<br>
has to be exist.<br>Use mpiexec to see all options.<br><br>On Thu, May 3, 2012 at 5:22 PM, O'Sullivan, Niall (HMRC) <<a href="mailto:n.osullivan@ucc.ie">n.osullivan@ucc.ie</a><br>> wrote:<br><br>> Thank you for your response.<br>
><br>> The file machinefile is not in /temp/hmrc/mpich2-1.4.1p1, see below for<br>> directory listing:<br>><br>> hmrc@linuxadmin-Vostro-3550:/tmp/hmrc/mpich2-1.4.1p1$ ls -a<br>> . bin config.status c.txt examples FC=ifort lib<br>
> mi.txt mpich2-doxygen share test<br>> .. config.log config.system doc F77=ifort include Makefile<br>> .mpich2 m.txt src<br>><br>> The command mpiexec -n 5 ./examples/cpi seems to work correctly, as<br>
> follows.<br>><br>> hmrc@linuxadmin-Vostro-3550:/tmp/hmrc/mpich2-1.4.1p1$ mpiexec -n 5<br>> ./examples/cpi<br>> Process 0 of 5 is on linuxadmin-Vostro-3550<br>> Process 3 of 5 is on linuxadmin-Vostro-3550<br>
> Process 4 of 5 is on linuxadmin-Vostro-3550<br>> Process 1 of 5 is on linuxadmin-Vostro-3550<br>> Process 2 of 5 is on linuxadmin-Vostro-3550<br>> pi is approximately 3.1415926544231230, Error is 0.0000000008333298<br>
> wall clock time = 0.000359<br>><br>> Does this mean that mpich2 has been installed correctly and appears to be<br>> working?<br>><br>> Best regards,<br>> Niall O'Sullivan<br>><br>><br>><br>
><br>> -----Original Message-----<br>> From: <a href="mailto:mpich-discuss-bounces@mcs.anl.gov">mpich-discuss-bounces@mcs.anl.gov</a> on behalf of Ju JiaJia<br>> Sent: Thu 5/3/2012 9:59 AM<br>> To: <a href="mailto:mpich-discuss@mcs.anl.gov">mpich-discuss@mcs.anl.gov</a><br>
> Subject: Re: [mpich-discuss] Compiling mpich2 using Intel Fortran<br>> Compilerv12<br>><br>> Do you have file machinefile in your /tmp/hmrc/mpich2-1.4.1p1 ? And what's<br>> inside?<br>> Since you run on one node, you can try this: mpiexec -n 5 ./examples/cpi<br>
><br>> On Thu, May 3, 2012 at 4:38 PM, O'Sullivan, Niall (HMRC) <<br>> <a href="mailto:n.osullivan@ucc.ie">n.osullivan@ucc.ie</a><br>> > wrote:<br>><br>> > Thank you all for your responses.<br>
> ><br>> > The installer guide instructions in section 2.2 were followed and<br>> > completed up as far as which mpicc and which mpiexec, these outputs as<br>> > follows:<br>> ><br>> > which mpicc<br>
> > /home/hmrc/mpich2-install/bin/mpicc<br>> > which mpiexec<br>> > /home/hmrc/mpich2-install/bin/mpiexec<br>> ><br>> > The installation is on a single PC so steps 9 and 10 were skipped.<br>> ><br>
> > An error arose in response to step 11 after entering the command mpiexec<br>> > -n 5 -f machinefile ./examples/cpi, see below:<br>> ><br>> > hmrc@linuxadmin-Vostro-3550:/tmp/hmrc/mpich2-1.4.1p1$ mpiexec -n 5 -f<br>
> > machinefile ./examples/cpi<br>> ><br>> > [mpiexec@linuxadmin-Vostro-3550] HYDU_parse_hostfile<br>> > (/home/hmrc/Mpich2/mpich2-1.4.1p1/src/pm/hydra/utils/args/args.c:303):<br>> > unable to open host file: machinefile<br>
> > [mpiexec@linuxadmin-Vostro-3550] mfile_fn<br>> > (/home/hmrc/Mpich2/mpich2-1.4.1p1/src/pm/hydra/ui/mpich/utils.c:223):<br>> > error parsing hostfile<br>> > [mpiexec@linuxadmin-Vostro-3550] match_arg<br>
> > (/home/hmrc/Mpich2/mpich2-1.4.1p1/src/pm/hydra/utils/args/args.c:115):<br>> > match handler returned error<br>> > [mpiexec@linuxadmin-Vostro-3550] HYDU_parse_array<br>> > (/home/hmrc/Mpich2/mpich2-1.4.1p1/src/pm/hydra/utils/args/args.c:140):<br>
> > argument matching returned error<br>> > [mpiexec@linuxadmin-Vostro-3550] parse_args<br>> > (/home/hmrc/Mpich2/mpich2-1.4.1p1/src/pm/hydra/ui/mpich/utils.c:1387):<br>> > error parsing input array<br>
> > [mpiexec@linuxadmin-Vostro-3550] HYD_uii_mpx_get_parameters<br>> > (/home/hmrc/Mpich2/mpich2-1.4.1p1/src/pm/hydra/ui/mpich/utils.c:1438):<br>> > unable to parse user arguments<br>> ><br>> > The various directories and commands used during the installation are as<br>
> > follows:<br>> ><br>> > files unpacked to : /home/hmrc/Mpich2/mpich2-1.4.1p1<br>> > installation directory : /home/hmrc/mpich2-install<br>> > build directory : /tmp/hmrc/mpich2-1.4.1p1<br>
> ><br>> > configure command : /home/hmrc/Mpich2/mpich2-1.4.1p1/configure<br>> > --prefix=/home/hmrc/mpich2-install |& tee c.txt F77=ifort FC=ifort<br>> > build mpich2: make 2>&1 | tee m.txt<br>
> > install mpich2 commands: make install 2>&1 | tee mi.txt<br>> > add bin subdirectory to path: PATH=/home/hmrc/mpich2-install/bin:$PATH ;<br>> > export PATH<br>> ><br>> > All of these completed without error until an attempt was made to run an<br>
> > MPI job with mpiexec, see details above.<br>> ><br>> > Any suggestions appreciated.<br>> ><br>> > Best regards,<br>> > Niall O'Sullivan<br>> ><br>> ><br>> ><br>
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