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<BODY lang=EN-US vLink=purple link=blue>
<DIV dir=ltr align=left><FONT face=Arial color=#0000ff size=2><SPAN
class=681194214-02092008>Hi,</SPAN></FONT></DIV>
<DIV dir=ltr align=left><FONT face=Arial color=#0000ff size=2><SPAN
class=681194214-02092008></SPAN></FONT> </DIV>
<DIV><FONT color=#000080><FONT face=Arial><FONT size=2><SPAN
class=681194214-02092008><FONT color=#0000ff>>>>,,,
</FONT></SPAN>mpiexec –n 2 –machinfile machine.txt BLACKBOX<SPAN
class=681194214-02092008>...</SPAN></FONT></FONT></FONT></DIV>
<DIV><FONT face=Arial color=#000080 size=2></FONT> </DIV>
<DIV><SPAN class=681194214-02092008><FONT face=Arial color=#000080
size=2> You should run "mpiexec -n 2 -machinefile machine.txt hostname"
(the last parameter should be the executable name)</FONT></SPAN></DIV>
<DIV><SPAN class=681194214-02092008><FONT face=Arial color=#000080
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=681194214-02092008><FONT color=#000080><FONT face=Arial
size=2>>>> ...</FONT><B><SPAN
style="FONT-WEIGHT: bold; FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">Credintals
for HTHWANG\OEM User rejected connecting to BLACKBOX<SPAN
class=681194214-02092008>...</SPAN></SPAN></B></FONT></SPAN></DIV>
<DIV><SPAN class=681194214-02092008><FONT color=#000080><B><SPAN
style="FONT-WEIGHT: bold; FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial"><SPAN
class=681194214-02092008></SPAN></SPAN></B></FONT></SPAN> </DIV>
<DIV><SPAN class=681194214-02092008><FONT face=Arial color=#0000ff
size=2> You should make sure that you have the same username (with the same
password)</FONT> <FONT face=Arial color=#0000ff size=2> on both the
machines. The error message says that OEM user is not present in
BLACKBOX</FONT></SPAN></DIV>
<DIV><SPAN class=681194214-02092008><FONT face=Arial color=#0000ff
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=681194214-02092008><FONT face=Arial color=#0000ff
size=2>>>> ... Unable to connect to...</FONT></SPAN></DIV>
<DIV><SPAN class=681194214-02092008><FONT face=Arial color=#0000ff
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=681194214-02092008><FONT face=Arial color=#0000ff
size=2> Make sure that the firewalls (windows firewalls and 3rd party
firewalls) are not running on the machines. Also make sure that smpd (the
MPICH2 process manager) is running on all the machines (Type "smpd -status" at
the command prompt to get the status of smpd).</FONT></SPAN></DIV>
<DIV><SPAN class=681194214-02092008><FONT face=Arial color=#0000ff
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=681194214-02092008><FONT face=Arial color=#0000ff
size=2>Regards,</FONT></SPAN></DIV>
<DIV><SPAN class=681194214-02092008><FONT face=Arial color=#0000ff
size=2>Jayesh</FONT></SPAN></DIV>
<DIV>
<HR tabIndex=-1>
</DIV>
<DIV><FONT face=Tahoma size=2><B>From:</B> Hyoun-Tae
[mailto:hthwang@uwaterloo.ca] <BR><B>Sent:</B> Tuesday, September 02, 2008 9:32
AM<BR><B>To:</B> jayesh@mcs.anl.gov<BR><B>Subject:</B> FW: Questions about
connecting other computers (using other CPUs)<BR></FONT><BR></DIV>
<DIV></DIV>
<DIV class=Section1>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">Hi, </SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"></SPAN></FONT> </P>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">Thank you for your
help. </SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"></SPAN></FONT> </P>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">I tried to connect
other computers for several times based on your instructions, but I couldn’t
connect with other computers. </SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"></SPAN></FONT> </P>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">What I have done
is:</SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"></SPAN></FONT> </P>
<OL type=1>
<LI class=MsoNormal style="COLOR: navy"><FONT face=Arial color=navy
size=2><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">install MPICH2 on
other computer (host name is BLACKBOX) </SPAN></FONT>
<LI class=MsoNormal style="COLOR: navy"><FONT face=Arial color=navy
size=2><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">make machine file. In
the machine file (machine.txt), I wrote like </SPAN></FONT></LI></OL>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">
</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"><FONT face=Arial color=navy
size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">127.97.81.172/BLACKBOX</SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">
</SPAN></FONT></P>
<OL type=1 start=3>
<LI class=MsoNormal style="COLOR: navy"><FONT face=Arial color=navy
size=2><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">try to run mpiexec on
my computer (host name is HTHWANG) by using the following
commander</SPAN></FONT> </LI></OL>
<P class=MsoNormal style="MARGIN-LEFT: 18pt"><FONT face=Arial color=navy
size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">
</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 18pt"><FONT face=Arial color=navy
size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">
mpiexec –n 2 –machinfile machine.txt BLACKBOX</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 18pt"><FONT face=Arial color=navy
size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"></SPAN></FONT> </P>
<P class=MsoNormal style="MARGIN-LEFT: 18pt"><FONT face=Arial color=navy
size=2><SPAN style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">After
performing this, I always got error messages like</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"><FONT face=Arial color=navy
size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"></SPAN></FONT> </P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"><FONT face=Arial color=navy
size=2><SPAN style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">Error
message 1:</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"><FONT face=Arial color=navy
size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"></SPAN></FONT> </P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"><B><FONT face=Arial color=blue
size=2><SPAN
style="FONT-WEIGHT: bold; FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">Credintals
for HTHWANG\OEM User rejected connecting to BLACKBOX</SPAN></FONT></B></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"><B><FONT face=Arial color=blue
size=2><SPAN
style="FONT-WEIGHT: bold; FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">Aborting:
unable to connect to BLACKBOX</SPAN></FONT></B></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"><FONT face=Arial color=navy
size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"></SPAN></FONT> </P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"><FONT face=Arial color=navy
size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"></SPAN></FONT> </P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"><FONT face=Arial color=navy
size=2><SPAN style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">Error
message 2:</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"><FONT face=Arial color=navy
size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"></SPAN></FONT> </P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"><B><FONT face=Arial color=blue
size=2><SPAN
style="FONT-WEIGHT: bold; FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">Unable
to connect to ‘BLACKBOX:8676’</SPAN></FONT></B></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"><B><FONT face=Arial color=blue
size=2><SPAN
style="FONT-WEIGHT: bold; FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">Sock
error: generic socket failure, error stack:</SPAN></FONT></B></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"><B><FONT face=Arial color=blue
size=2><SPAN
style="FONT-WEIGHT: bold; FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">MPIDU_Sock_post_connect
(1228): unable to connect to BLACKBOX on port 8676, </SPAN></FONT></B></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"><B><FONT face=Arial color=blue
size=2><SPAN
style="FONT-WEIGHT: bold; FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">Exhausted
all endpoints (errno -1)</SPAN></FONT></B></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"><B><FONT face=Arial color=blue
size=2><SPAN
style="FONT-WEIGHT: bold; FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">MPIDU_Sock_post_connect(1244):
gethostbyname failed, No such host is known. </SPAN></FONT></B></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"><B><FONT face=Arial color=blue
size=2><SPAN
style="FONT-WEIGHT: bold; FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">(error
no 11001)</SPAN></FONT></B></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"><FONT face=Arial color=navy
size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"></SPAN></FONT> </P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"><FONT face=Arial color=navy
size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"></SPAN></FONT> </P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"><FONT face=Arial color=navy
size=2><SPAN style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">Could you
tell me how I can solve these problems?</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"><FONT face=Arial color=navy
size=2><SPAN style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">Thank you,
</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"><FONT face=Arial color=navy
size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"></SPAN></FONT> </P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"><FONT face=Arial color=navy
size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">HT</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"><FONT face=Arial color=navy
size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"></SPAN></FONT> </P>
<P class=MsoNormal style="MARGIN-LEFT: 18pt"><FONT face=Arial color=navy
size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"></SPAN></FONT> </P>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"></SPAN></FONT> </P>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"></SPAN></FONT> </P>
<DIV>
<P class=MsoNormal><FONT face=Arial color=#999999 size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: #999999; FONT-FAMILY: Arial">**********************************************************************</SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=#999999 size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: #999999; FONT-FAMILY: Arial">Hyoun-Tae Hwang
</SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=#999999 size=3><SPAN
style="FONT-SIZE: 12pt; COLOR: #999999; FONT-FAMILY: Arial"></SPAN></FONT> </P>
<P class=MsoNormal><FONT face=Arial color=#999999 size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: #999999; FONT-FAMILY: Arial">#2051 EIT,
Department of Earth and Environmental Sci</SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=#999999 size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: #999999; FONT-FAMILY: Arial">University of
Waterloo</SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=#999999 size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: #999999; FONT-FAMILY: Arial">office : (+1)
519-888-4567 (EXT.
37343)
</SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=#999999 size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: #999999; FONT-FAMILY: Arial">home : (+1)
519-880-9794 </SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=#999999 size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: #999999; FONT-FAMILY: Arial">**********************************************************************</SPAN></FONT></P></DIV>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"></SPAN></FONT> </P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"><FONT face=Tahoma size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Tahoma">-----Original
Message-----<BR><B><SPAN style="FONT-WEIGHT: bold">From:</SPAN></B> Jayesh
Krishna [mailto:jayesh@mcs.anl.gov] <BR><B><SPAN
style="FONT-WEIGHT: bold">Sent:</SPAN></B> August 27, 2008 12:52 PM<BR><B><SPAN
style="FONT-WEIGHT: bold">To:</SPAN></B> 'Hyoun-Tae'<BR><B><SPAN
style="FONT-WEIGHT: bold">Cc:</SPAN></B> mpich-discuss@mcs.anl.gov<BR><B><SPAN
style="FONT-WEIGHT: bold">Subject:</SPAN></B> RE: Questions about connecting
other computers (using other CPUs)</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"><FONT face="Times New Roman"
size=3><SPAN style="FONT-SIZE: 12pt"></SPAN></FONT> </P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"><FONT face=Arial color=blue
size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">Hi,</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"><FONT face=Arial color=blue
size=2><SPAN style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial"> To
use multiple nodes/hosts/machines to run your MPI application,</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"><FONT face="Times New Roman"
size=3><SPAN style="FONT-SIZE: 12pt"></SPAN></FONT> </P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"><FONT face=Arial color=blue
size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">=========== SETUP
=================</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"><FONT face=Arial color=blue
size=2><SPAN style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial"># Install
MPICH2 on all the machines/hosts/nodes involved.</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"><FONT face="Times New Roman"
size=3><SPAN style="FONT-SIZE: 12pt"></SPAN></FONT> </P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"><FONT face=Arial color=blue
size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">=========== TESTING
YOUR SETUP ================</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"><FONT face="Times New Roman"
size=3><SPAN style="FONT-SIZE: 12pt"></SPAN></FONT> </P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"><FONT face=Arial color=blue
size=2><SPAN style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial"># Try
running a non-MPI program using the "-machinefile" option of mpiexec (List
the ipaddresses/hostnames(Try ipaddresses first) of the machines in the
machinefile ). See the windows developer's guide for details on using the
"-machinefile" option.</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"><FONT face="Times New Roman"
size=3><SPAN style="FONT-SIZE: 12pt"></SPAN></FONT> </P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"><FONT face=Arial color=blue
size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial"> ---
Try running, </SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"><FONT face="Times New Roman"
size=3><SPAN style="FONT-SIZE: 12pt"></SPAN></FONT> </P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"><FONT face=Arial color=blue
size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">
mpiexec -n 2 -machinefile my_machine_file.txt hostname</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"><FONT face="Times New Roman"
size=3><SPAN style="FONT-SIZE: 12pt"></SPAN></FONT> </P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"><FONT face=Arial color=blue
size=2><SPAN style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial"># If you
run hostname as mentioned in the prev step using mpiexec, you should see the
hostnames of the indiv machines listed.</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"><FONT face=Arial color=blue
size=2><SPAN style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial"># Now try
running cpi.exe (MPICH2\examples\cpi.exe) using the "-machinefile"
option of mpiexec.</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"><FONT face="Times New Roman"
size=3><SPAN style="FONT-SIZE: 12pt"></SPAN></FONT> </P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"><FONT face=Arial color=blue
size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">=========== RUNNING
YOUR PROGRAM =============</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"><FONT face="Times New Roman"
size=3><SPAN style="FONT-SIZE: 12pt"></SPAN></FONT> </P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"><FONT face=Arial color=blue
size=2><SPAN style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial"># Make
your application available on all the machines</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"><FONT face="Times New Roman"
size=3><SPAN style="FONT-SIZE: 12pt"></SPAN></FONT> </P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"><FONT face=Arial color=blue
size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial"> 1) You can
copy your application to the same location on all the machines (Try this
first)</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"><FONT face=Arial color=blue
size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">
OR</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"><FONT face="Times New Roman"
size=3><SPAN style="FONT-SIZE: 12pt"></SPAN></FONT> </P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"><FONT face=Arial color=blue
size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial"> 2) You can
copy your application to diff locations in each machine and use the "-path"
option in mpiexec to specify the path in each machine (see the windows
developer's guide for details)</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"><FONT face=Arial color=blue
size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">
OR</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"><FONT face="Times New Roman"
size=3><SPAN style="FONT-SIZE: 12pt"></SPAN></FONT> </P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"><FONT face=Arial color=blue
size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial"> 3)
Use the "-map" or "-mapall" option of mpiexec to map the directory containing
the executable on all the machines (see the windows developer's guide for
details)</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"><FONT face="Times New Roman"
size=3><SPAN style="FONT-SIZE: 12pt"></SPAN></FONT> </P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"><FONT face=Arial color=blue
size=2><SPAN style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial"># Run your
MPI program using the "-machinefile" option of mpiexec (List the
ipaddresses/hostnames(Try ipaddresses first) of the machines in the machinefile
)</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"><FONT face="Times New Roman"
size=3><SPAN style="FONT-SIZE: 12pt"></SPAN></FONT> </P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"><FONT face=Arial color=blue
size=2><SPAN style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial"> Let
us know if you need further help.</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"><FONT face="Times New Roman"
size=3><SPAN style="FONT-SIZE: 12pt"></SPAN></FONT> </P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"><FONT face=Arial color=blue
size=2><SPAN style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">(PS: By
the way, if you have 2 CPUs in your machine if you run your MPI application with
more than 1 process, the OS schedules the processes to use both
processors.)</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"><FONT face="Times New Roman"
size=3><SPAN style="FONT-SIZE: 12pt"></SPAN></FONT> </P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"><FONT face=Arial color=blue
size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">Regards,</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"><FONT face=Arial color=blue
size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">Jayesh</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"><FONT face="Times New Roman"
size=3><SPAN style="FONT-SIZE: 12pt"></SPAN></FONT> </P>
<DIV style="MARGIN-LEFT: 36pt">
<DIV class=MsoNormal style="TEXT-ALIGN: center" align=center><FONT
face="Times New Roman" size=3><SPAN style="FONT-SIZE: 12pt">
<HR align=center width="100%" SIZE=2>
</SPAN></FONT></DIV></DIV>
<P class=MsoNormal
style="MARGIN-BOTTOM: 12pt; MARGIN-LEFT: 36pt; MARGIN-RIGHT: 0cm"><B><FONT
face=Tahoma size=2><SPAN
style="FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Tahoma">From:</SPAN></FONT></B><FONT
face=Tahoma size=2><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: Tahoma"> Hyoun-Tae
[mailto:hthwang@uwaterloo.ca] <BR><B><SPAN
style="FONT-WEIGHT: bold">Sent:</SPAN></B> Wednesday, August 27, 2008 11:33
AM<BR><B><SPAN style="FONT-WEIGHT: bold">To:</SPAN></B> 'Jayesh
Krishna'<BR><B><SPAN style="FONT-WEIGHT: bold">Subject:</SPAN></B> RE: Questions
about connecting other computers (using other CPUs)</SPAN></FONT></P>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"><FONT face=Arial color=navy
size=2><SPAN style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">HI Jayesh,
</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"><FONT face="Times New Roman"
size=3><SPAN style="FONT-SIZE: 12pt"></SPAN></FONT> </P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"><FONT face=Arial color=navy
size=2><SPAN style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">My
computer has only 2 CPUs so I cannot find any advantages for using MPI
application. </SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"><FONT face=Arial color=navy
size=2><SPAN style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">Now I’m
trying to connect other computers to use CPUs for my MPI code.
</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"><FONT face="Times New Roman"
size=3><SPAN style="FONT-SIZE: 12pt"></SPAN></FONT> </P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"><FONT face=Arial color=navy
size=2><SPAN style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">Could you
tell me how I can connect with other computers and apply my MPI
code?</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"><FONT face=Arial color=navy
size=2><SPAN style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">Regards,
</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"><FONT face="Times New Roman"
size=3><SPAN style="FONT-SIZE: 12pt"></SPAN></FONT> </P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"><FONT face=Arial color=navy
size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">Hyoun-Tae</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"><FONT face="Times New Roman"
size=3><SPAN style="FONT-SIZE: 12pt"></SPAN></FONT> </P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"><FONT face="Times New Roman"
size=3><SPAN style="FONT-SIZE: 12pt"></SPAN></FONT> </P>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"><FONT face=Arial color=#999999
size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: #999999; FONT-FAMILY: Arial">**********************************************************************</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"><FONT face=Arial color=#999999
size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: #999999; FONT-FAMILY: Arial">Hyoun-Tae Hwang
</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"><FONT face="Times New Roman"
size=3><SPAN style="FONT-SIZE: 12pt"></SPAN></FONT> </P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"><FONT face=Arial color=#999999
size=2><SPAN style="FONT-SIZE: 10pt; COLOR: #999999; FONT-FAMILY: Arial">#2051
EIT, Department of Earth and Environmental Sci</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"><FONT face=Arial color=#999999
size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: #999999; FONT-FAMILY: Arial">University of
Waterloo</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"><FONT face=Arial color=#999999
size=2><SPAN style="FONT-SIZE: 10pt; COLOR: #999999; FONT-FAMILY: Arial">office
: (+1) 519-888-4567 (EXT.
37343)
</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"><FONT face=Arial color=#999999
size=2><SPAN style="FONT-SIZE: 10pt; COLOR: #999999; FONT-FAMILY: Arial">home :
(+1) 519-880-9794 </SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"><FONT face=Arial color=#999999
size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: #999999; FONT-FAMILY: Arial">**********************************************************************</SPAN></FONT></P></DIV>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"><FONT face="Times New Roman"
size=3><SPAN style="FONT-SIZE: 12pt"></SPAN></FONT> </P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"
DEFANGED_STYLE="MARGIN-LEFT: 36pt"><FONT face=Tahoma size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Tahoma">-----Original
Message-----<BR><B><SPAN DEFANGED_STYLE="FONT-WEIGHT: bold"><SPAN
style="FONT-WEIGHT: bold">From:</SPAN></SPAN></B> Jayesh Krishna
[mailto:jayesh@mcs.anl.gov] <BR><B><SPAN
style="FONT-WEIGHT: bold">Sent:</SPAN></B> August 18, 2008 1:58 PM<BR><B><SPAN
style="FONT-WEIGHT: bold">To:</SPAN></B> 'Hyoun-Tae'<BR><B><SPAN
style="FONT-WEIGHT: bold">Subject:</SPAN></B> RE: Questions about MPI
application</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"
DEFANGED_STYLE="MARGIN-LEFT: 36pt"><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt"></SPAN></FONT> </P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"
DEFANGED_STYLE="MARGIN-LEFT: 36pt"><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">Hi,</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"
DEFANGED_STYLE="MARGIN-LEFT: 36pt"><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial"> Great! Let us
know if you need any further help.</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"
DEFANGED_STYLE="MARGIN-LEFT: 36pt"><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt"></SPAN></FONT> </P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"
DEFANGED_STYLE="MARGIN-LEFT: 36pt"><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">Regards,</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"
DEFANGED_STYLE="MARGIN-LEFT: 36pt"><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">Jayesh</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"
DEFANGED_STYLE="MARGIN-LEFT: 36pt"><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt"></SPAN></FONT> </P>
<DIV style="MARGIN-LEFT: 36pt">
<DIV class=MsoNormal style="TEXT-ALIGN: center" align=center><FONT
face="Times New Roman" size=3><SPAN style="FONT-SIZE: 12pt">
<HR align=center width="100%" SIZE=2>
</SPAN></FONT></DIV></DIV>
<P class=MsoNormal
style="MARGIN-BOTTOM: 12pt; MARGIN-LEFT: 72pt; MARGIN-RIGHT: 0cm"><B><FONT
face=Tahoma size=2><SPAN
style="FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Tahoma">From:</SPAN></FONT></B><FONT
face=Tahoma size=2><SPAN
DEFANGED_STYLE="FONT-SIZE: 10pt; FONT-FAMILY: Tahoma"><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Tahoma"> Hyoun-Tae
[mailto:hthwang@uwaterloo.ca] <BR><B><SPAN
style="FONT-WEIGHT: bold">Sent:</SPAN></B> Monday, August 18, 2008 12:57
PM<BR><B><SPAN DEFANGED_STYLE="FONT-WEIGHT: bold"><SPAN
style="FONT-WEIGHT: bold">To:</SPAN></SPAN></B> 'Jayesh Krishna'<BR><B><SPAN
DEFANGED_STYLE="FONT-WEIGHT: bold"><SPAN
style="FONT-WEIGHT: bold">Subject:</SPAN></SPAN></B> RE: Questions about MPI
application</SPAN></SPAN></FONT></P>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"
DEFANGED_STYLE="MARGIN-LEFT: 36pt"><FONT face=Arial color=navy size=2><SPAN
DEFANGED_STYLE="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">Hello,
</SPAN></SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"
DEFANGED_STYLE="MARGIN-LEFT: 36pt"><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt"></SPAN></FONT> </P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"
DEFANGED_STYLE="MARGIN-LEFT: 36pt"><FONT face=Arial color=navy size=2><SPAN
DEFANGED_STYLE="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">Thanks for your help.
As you said, I debugged my code. </SPAN></SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"
DEFANGED_STYLE="MARGIN-LEFT: 36pt"><FONT face=Arial color=navy size=2><SPAN
DEFANGED_STYLE="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">I finally got right
results. It really works!</SPAN></SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"
DEFANGED_STYLE="MARGIN-LEFT: 36pt"><FONT face=Arial color=navy size=2><SPAN
DEFANGED_STYLE="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">I appreciate your help.
</SPAN></SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"
DEFANGED_STYLE="MARGIN-LEFT: 36pt"><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt"></SPAN></FONT> </P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"
DEFANGED_STYLE="MARGIN-LEFT: 36pt"><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">HT</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"
DEFANGED_STYLE="MARGIN-LEFT: 36pt"><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt"></SPAN></FONT> </P>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"
DEFANGED_STYLE="MARGIN-LEFT: 36pt"><FONT face=Arial color=#999999 size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: #999999; FONT-FAMILY: Arial">**********************************************************************</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"
DEFANGED_STYLE="MARGIN-LEFT: 36pt"><FONT face=Arial color=#999999 size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: #999999; FONT-FAMILY: Arial">Hyoun-Tae Hwang
</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"
DEFANGED_STYLE="MARGIN-LEFT: 36pt"><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt"></SPAN></FONT> </P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"
DEFANGED_STYLE="MARGIN-LEFT: 36pt"><FONT face=Arial color=#999999 size=2><SPAN
DEFANGED_STYLE="FONT-SIZE: 10pt; COLOR: #999999; FONT-FAMILY: Arial"><SPAN
style="FONT-SIZE: 10pt; COLOR: #999999; FONT-FAMILY: Arial">#2051 EIT,
Department of Earth and Environmental Sci</SPAN></SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"
DEFANGED_STYLE="MARGIN-LEFT: 36pt"><FONT face=Arial color=#999999 size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: #999999; FONT-FAMILY: Arial">University of
Waterloo</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"
DEFANGED_STYLE="MARGIN-LEFT: 36pt"><FONT face=Arial color=#999999 size=2><SPAN
DEFANGED_STYLE="FONT-SIZE: 10pt; COLOR: #999999; FONT-FAMILY: Arial"><SPAN
style="FONT-SIZE: 10pt; COLOR: #999999; FONT-FAMILY: Arial">office : (+1)
519-888-4567 (EXT.
37343)
</SPAN></SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"
DEFANGED_STYLE="MARGIN-LEFT: 36pt"><FONT face=Arial color=#999999 size=2><SPAN
DEFANGED_STYLE="FONT-SIZE: 10pt; COLOR: #999999; FONT-FAMILY: Arial"><SPAN
style="FONT-SIZE: 10pt; COLOR: #999999; FONT-FAMILY: Arial">home : (+1)
519-880-9794 </SPAN></SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"
DEFANGED_STYLE="MARGIN-LEFT: 36pt"><FONT face=Arial color=#999999 size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: #999999; FONT-FAMILY: Arial">**********************************************************************</SPAN></FONT></P></DIV>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"
DEFANGED_STYLE="MARGIN-LEFT: 36pt"><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt"></SPAN></FONT> </P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"
DEFANGED_STYLE="MARGIN-LEFT: 36pt"><FONT face=Tahoma size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Tahoma">-----Original
Message-----<BR><B><SPAN DEFANGED_STYLE="FONT-WEIGHT: bold"><SPAN
style="FONT-WEIGHT: bold">From:</SPAN></SPAN></B> Jayesh Krishna
[mailto:jayesh@mcs.anl.gov] <BR><B><SPAN
style="FONT-WEIGHT: bold">Sent:</SPAN></B> August 14, 2008 12:37 PM<BR><B><SPAN
style="FONT-WEIGHT: bold">To:</SPAN></B> 'Hyoun-Tae'<BR><B><SPAN
style="FONT-WEIGHT: bold">Cc:</SPAN></B> mpich-discuss@mcs.anl.gov<BR><B><SPAN
style="FONT-WEIGHT: bold">Subject:</SPAN></B> RE: Questions about MPI
application</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"
DEFANGED_STYLE="MARGIN-LEFT: 36pt"><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt"></SPAN></FONT> </P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"
DEFANGED_STYLE="MARGIN-LEFT: 36pt"><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">Hi,</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"
DEFANGED_STYLE="MARGIN-LEFT: 36pt"><FONT face=Arial color=blue size=2><SPAN
DEFANGED_STYLE="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial"><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial"> The error
"</SPAN></SPAN></FONT><FONT face=Arial color=red size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: red; FONT-FAMILY: Arial">Error creating mpiexec
process</SPAN></FONT><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">" indicates that you
have tried to run a singleton MPI process without mpiexec in the PATH. Make
sure that you have mpiexec in your PATH (more precisely the path to mpiexec in
your PATH env variable) when running an MPI process as a singleton process
(singleton process - process launched without mpiexec - when you run your MPI
process in the VS command window). To get rid of the error I would recommend
that you run your MPI application from a command window using mpiexec OR run
your MPI application from a command window without mpiexec but making sure
that path to mpiexec (typically c:\program files\mpich2\bin) is in the
PATH.</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"
DEFANGED_STYLE="MARGIN-LEFT: 36pt"><FONT face=Arial color=blue size=2><SPAN
DEFANGED_STYLE="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial"><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial"> The error
"</SPAN></SPAN></FONT><FONT face="Lucida Console" color=red size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: red; FONT-FAMILY: 'Lucida Console'">process 0
exited without calling finalize</SPAN></FONT><FONT face=Arial color=blue
size=2><SPAN
DEFANGED_STYLE="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial"><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">" can happen due to
many reasons (Basically the error just says that the MPI process exited before
calling MPI_Finalize()). Most likely it is due to an error in the application
resulting in a segfault, aborting the job. I would recommend that, to start with
your debugging, you run your application using mpiexec from a command prompt and
try debugging the application with some debug
statements.</SPAN></SPAN></FONT></P>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"
DEFANGED_STYLE="MARGIN-LEFT: 36pt"><FONT face=Arial color=blue size=2><SPAN
DEFANGED_STYLE="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial"><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial"> Let us know if
you need further assistance</SPAN></SPAN></FONT></P></DIV>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"
DEFANGED_STYLE="MARGIN-LEFT: 36pt"><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt"></SPAN></FONT> </P></DIV>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"
DEFANGED_STYLE="MARGIN-LEFT: 36pt"><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">Regards,</SPAN></FONT></P></DIV>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"
DEFANGED_STYLE="MARGIN-LEFT: 36pt"><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">Jayesh</SPAN></FONT></P></DIV>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"
DEFANGED_STYLE="MARGIN-LEFT: 36pt"><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt"></SPAN></FONT> </P></DIV>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"
DEFANGED_STYLE="MARGIN-LEFT: 36pt"><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt"></SPAN></FONT> </P></DIV>
<DIV style="MARGIN-LEFT: 36pt">
<DIV class=MsoNormal style="TEXT-ALIGN: center" align=center><FONT
face="Times New Roman" size=3><SPAN style="FONT-SIZE: 12pt">
<HR align=center width="100%" SIZE=2>
</SPAN></FONT></DIV></DIV>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"
DEFANGED_STYLE="MARGIN-BOTTOM: 12pt; MARGIN-LEFT: 72pt"><B><FONT face=Tahoma
size=2><SPAN
style="FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Tahoma">From:</SPAN></FONT></B><FONT
face=Tahoma size=2><SPAN
DEFANGED_STYLE="FONT-SIZE: 10pt; FONT-FAMILY: Tahoma"><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Tahoma"> Hyoun-Tae
[mailto:hthwang@uwaterloo.ca] <BR><B><SPAN
style="FONT-WEIGHT: bold">Sent:</SPAN></B> Thursday, August 14, 2008 10:47
AM<BR><B><SPAN DEFANGED_STYLE="FONT-WEIGHT: bold"><SPAN
style="FONT-WEIGHT: bold">To:</SPAN></SPAN></B> jayesh@mcs.anl.gov<BR><B><SPAN
DEFANGED_STYLE="FONT-WEIGHT: bold"><SPAN
style="FONT-WEIGHT: bold">Subject:</SPAN></SPAN></B> Questions about MPI
application</SPAN></SPAN></FONT></P>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"
DEFANGED_STYLE="MARGIN-LEFT: 36pt"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">Hello Jayesh, </SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"
DEFANGED_STYLE="MARGIN-LEFT: 36pt"><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt"></SPAN></FONT> </P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"
DEFANGED_STYLE="MARGIN-LEFT: 36pt"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">I just make an MPI application code,
which solves non-linear PDEs. </SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"
DEFANGED_STYLE="MARGIN-LEFT: 36pt"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">Of the code, I applied parallel
computing method only on a matrix solver, Thomas algorithm. </SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"
DEFANGED_STYLE="MARGIN-LEFT: 36pt"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">The scheme of my program follows
as:</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"
DEFANGED_STYLE="MARGIN-LEFT: 36pt"><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt"></SPAN></FONT> </P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"
DEFANGED_STYLE="MARGIN-LEFT: 36pt"><FONT face="Times New Roman" size=3><SPAN
DEFANGED_STYLE="FONT-SIZE: 12pt"><SPAN
style="FONT-SIZE: 12pt">1.</SPAN></FONT><FONT size=1><SPAN
style="FONT-SIZE: 7pt"> </SPAN></SPAN></FONT><FONT
face=Arial size=2><SPAN
DEFANGED_STYLE="FONT-SIZE: 10pt; FONT-FAMILY: Arial"><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">read input data</SPAN></SPAN></FONT>
</P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"
DEFANGED_STYLE="MARGIN-LEFT: 36pt"><FONT face="Times New Roman" size=3><SPAN
DEFANGED_STYLE="FONT-SIZE: 12pt"><SPAN
style="FONT-SIZE: 12pt">2.</SPAN></FONT><FONT size=1><SPAN
style="FONT-SIZE: 7pt"> </SPAN></SPAN></FONT><FONT
face=Arial size=2><SPAN
DEFANGED_STYLE="FONT-SIZE: 10pt; FONT-FAMILY: Arial"><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">make a matrix</SPAN></SPAN></FONT>
</P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"
DEFANGED_STYLE="MARGIN-LEFT: 36pt"><FONT face="Times New Roman" size=3><SPAN
DEFANGED_STYLE="FONT-SIZE: 12pt"><SPAN
style="FONT-SIZE: 12pt">3.</SPAN></FONT><FONT size=1><SPAN
style="FONT-SIZE: 7pt"> </SPAN></SPAN></FONT><FONT
face=Arial size=2><SPAN
DEFANGED_STYLE="FONT-SIZE: 10pt; FONT-FAMILY: Arial"><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">solve the matrix by using parallel
method </SPAN></SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"
DEFANGED_STYLE="MARGIN-LEFT: 36pt"><FONT face="Times New Roman" size=3><SPAN
DEFANGED_STYLE="FONT-SIZE: 12pt"><SPAN
style="FONT-SIZE: 12pt">4.</SPAN></FONT><FONT size=1><SPAN
style="FONT-SIZE: 7pt"> </SPAN></SPAN></FONT><FONT
face=Arial size=2><SPAN
DEFANGED_STYLE="FONT-SIZE: 10pt; FONT-FAMILY: Arial"><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">print output</SPAN></SPAN></FONT>
</P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"
DEFANGED_STYLE="MARGIN-LEFT: 36pt"><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt"></SPAN></FONT> </P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"
DEFANGED_STYLE="MARGIN-LEFT: 36pt"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">As mentioned before, I just
parallelized only the matrix solver. </SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"
DEFANGED_STYLE="MARGIN-LEFT: 36pt"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">I compiled the application code by
using MS visual studio 2005 </SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"
DEFANGED_STYLE="MARGIN-LEFT: 36pt"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">and executed the application code
with using MPIEXEC wrapper. </SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"
DEFANGED_STYLE="MARGIN-LEFT: 36pt"><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt"></SPAN></FONT> </P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"
DEFANGED_STYLE="MARGIN-LEFT: 36pt"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">However, I always got an error
massage like (I’m using 2 CPUs)</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"
DEFANGED_STYLE="MARGIN-LEFT: 36pt"><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt"></SPAN></FONT> </P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"
DEFANGED_STYLE="MARGIN-LEFT: 36pt"><FONT face="Lucida Console" color=red
size=1><SPAN
style="FONT-SIZE: 9pt; COLOR: red; FONT-FAMILY: 'Lucida Console'">job
aborted:</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"
DEFANGED_STYLE="MARGIN-LEFT: 36pt"><FONT face="Lucida Console" color=red
size=1><SPAN
style="FONT-SIZE: 9pt; COLOR: red; FONT-FAMILY: 'Lucida Console'">rank: node:
exit code[: error message]</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"
DEFANGED_STYLE="MARGIN-LEFT: 36pt"><FONT face="Lucida Console" color=red
size=1><SPAN
style="FONT-SIZE: 9pt; COLOR: red; FONT-FAMILY: 'Lucida Console'">0: hthwang:
-1073741819: process 0 exited without calling finalize</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"
DEFANGED_STYLE="MARGIN-LEFT: 36pt"><FONT face="Lucida Console" color=red
size=1><SPAN
style="FONT-SIZE: 9pt; COLOR: red; FONT-FAMILY: 'Lucida Console'">1: hthwang:
-1073741819: process 1 exited without calling finalize</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"
DEFANGED_STYLE="MARGIN-LEFT: 36pt"><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt"></SPAN></FONT> </P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"
DEFANGED_STYLE="MARGIN-LEFT: 36pt"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">Could you tell me why I always get
the error message and how I can solve this problem?</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"
DEFANGED_STYLE="MARGIN-LEFT: 36pt"><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt"></SPAN></FONT> </P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"
DEFANGED_STYLE="MARGIN-LEFT: 36pt"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">When I compile the code by using MS
visual studio 2005, </SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"
DEFANGED_STYLE="MARGIN-LEFT: 36pt"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">I also get a message on a command
window such as:</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"
DEFANGED_STYLE="MARGIN-LEFT: 36pt"><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt"></SPAN></FONT> </P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"
DEFANGED_STYLE="MARGIN-LEFT: 36pt"><FONT face=Arial color=red size=2><SPAN
DEFANGED_STYLE="FONT-SIZE: 10pt; COLOR: red; FONT-FAMILY: Arial"><SPAN
style="FONT-SIZE: 10pt; COLOR: red; FONT-FAMILY: Arial">[0] Error creating
mpiexec process …2</SPAN></SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"
DEFANGED_STYLE="MARGIN-LEFT: 36pt"><FONT face=Arial color=red size=2><SPAN
DEFANGED_STYLE="FONT-SIZE: 10pt; COLOR: red; FONT-FAMILY: Arial"><SPAN
style="FONT-SIZE: 10pt; COLOR: red; FONT-FAMILY: Arial">[0] launchMpiexecProcess
failed</SPAN></SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"
DEFANGED_STYLE="MARGIN-LEFT: 36pt"><FONT face=Arial color=red size=2><SPAN
DEFANGED_STYLE="FONT-SIZE: 10pt; COLOR: red; FONT-FAMILY: Arial"><SPAN
style="FONT-SIZE: 10pt; COLOR: red; FONT-FAMILY: Arial">Fatal error in MPI_Init:
Other MPI error, error stack:</SPAN></SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"
DEFANGED_STYLE="MARGIN-LEFT: 36pt"><FONT face=Arial color=red size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: red; FONT-FAMILY: Arial">MPIR_Init_thread(294):
Initialization failed</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"
DEFANGED_STYLE="MARGIN-LEFT: 36pt"><FONT face=Arial color=red size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: red; FONT-FAMILY: Arial">MPID_Init(82)…………:
channel initialization failed</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"
DEFANGED_STYLE="MARGIN-LEFT: 36pt"><FONT face=Arial color=red size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: red; FONT-FAMILY: Arial">MPID_Init(383)………..:
PMI_Get_id returned 1</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"
DEFANGED_STYLE="MARGIN-LEFT: 36pt"><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt"></SPAN></FONT> </P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"
DEFANGED_STYLE="MARGIN-LEFT: 36pt"><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt"></SPAN></FONT> </P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"
DEFANGED_STYLE="MARGIN-LEFT: 36pt"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">Is this error after compilation
related to MPI application error?</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"
DEFANGED_STYLE="MARGIN-LEFT: 36pt"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">Could you tell me how I can solve
these problems?</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"
DEFANGED_STYLE="MARGIN-LEFT: 36pt"><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt"></SPAN></FONT> </P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"
DEFANGED_STYLE="MARGIN-LEFT: 36pt"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">I can send the MPI application code
if you need.</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"
DEFANGED_STYLE="MARGIN-LEFT: 36pt"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">Thank you, </SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"
DEFANGED_STYLE="MARGIN-LEFT: 36pt"><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt"></SPAN></FONT> </P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"
DEFANGED_STYLE="MARGIN-LEFT: 36pt"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">HT</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"
DEFANGED_STYLE="MARGIN-LEFT: 36pt"><FONT face=Arial color=#999999 size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: #999999; FONT-FAMILY: Arial">**********************************************************************</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"
DEFANGED_STYLE="MARGIN-LEFT: 36pt"><FONT face=Arial color=#999999 size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: #999999; FONT-FAMILY: Arial">Hyoun-Tae Hwang
</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"
DEFANGED_STYLE="MARGIN-LEFT: 36pt"><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt"></SPAN></FONT> </P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"
DEFANGED_STYLE="MARGIN-LEFT: 36pt"><FONT face=Arial color=#999999 size=2><SPAN
DEFANGED_STYLE="FONT-SIZE: 10pt; COLOR: #999999; FONT-FAMILY: Arial"><SPAN
style="FONT-SIZE: 10pt; COLOR: #999999; FONT-FAMILY: Arial">#2051 EIT,
Department of Earth and Environmental Sci</SPAN></SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"
DEFANGED_STYLE="MARGIN-LEFT: 36pt"><FONT face=Arial color=#999999 size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: #999999; FONT-FAMILY: Arial">University of
Waterloo</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"
DEFANGED_STYLE="MARGIN-LEFT: 36pt"><FONT face=Arial color=#999999 size=2><SPAN
DEFANGED_STYLE="FONT-SIZE: 10pt; COLOR: #999999; FONT-FAMILY: Arial"><SPAN
style="FONT-SIZE: 10pt; COLOR: #999999; FONT-FAMILY: Arial">office : (+1)
519-888-4567 (EXT.
37343)
</SPAN></SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"
DEFANGED_STYLE="MARGIN-LEFT: 36pt"><FONT face=Arial color=#999999 size=2><SPAN
DEFANGED_STYLE="FONT-SIZE: 10pt; COLOR: #999999; FONT-FAMILY: Arial"><SPAN
style="FONT-SIZE: 10pt; COLOR: #999999; FONT-FAMILY: Arial">home : (+1)
519-880-9794 </SPAN></SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"
DEFANGED_STYLE="MARGIN-LEFT: 36pt"><FONT face=Arial color=#999999 size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: #999999; FONT-FAMILY: Arial">**********************************************************************</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 36pt"
DEFANGED_STYLE="MARGIN-LEFT: 36pt"><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt"></SPAN></FONT> </P></DIV></DIV></DIV></DIV></BODY></HTML>