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<DIV dir=ltr align=left><SPAN class=528154318-01102009><FONT color=#0000ff
size=2 face=Arial>Hi,</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=528154318-01102009><FONT color=#0000ff
size=2 face=Arial> Make sure that you are using the latest stable version
of MPICH2 (1.1.1p1) available at <A
href="http://www.mcs.anl.gov/research/projects/mpich2/downloads/index.php?s=downloads">http://www.mcs.anl.gov/research/projects/mpich2/downloads/index.php?s=downloads</A> .</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=528154318-01102009><FONT color=#0000ff
size=2 face=Arial> Let us know if you still have problems (If you still
have problems in your email include the complete command that you use to launch
your MPI job. If possible, include a test program so that we can recreate your
problem.).</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=528154318-01102009><FONT color=#0000ff
size=2 face=Arial></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=528154318-01102009><FONT color=#0000ff
size=2 face=Arial>Regards,</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=528154318-01102009><FONT color=#0000ff
size=2 face=Arial>Jayesh</FONT></SPAN></DIV><BR>
<DIV dir=ltr lang=en-us class=OutlookMessageHeader align=left>
<HR tabIndex=-1>
<FONT size=2 face=Tahoma><B>From:</B> dave waite [mailto:waitedm@gmail.com]
<BR><B>Sent:</B> Thursday, October 01, 2009 1:26 PM<BR><B>To:</B> 'Jayesh
Krishna'<BR><B>Subject:</B> RE: [mpich-discuss] -channel
shm<BR></FONT><BR></DIV>
<DIV></DIV>
<DIV class=Section1>
<P class=MsoNormal><SPAN style="COLOR: #1f497d">Jayesh,<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN style="COLOR: #1f497d"><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN style="COLOR: #1f497d">When I run using –n 5 –channel
shm, my application has one master rank and 4 slave ranks. When I
run using –n 5 –channel nemesis, all 5 instances of my application have rank =
master. Is there some other mpiexec arguments needed when running
nemesis?<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN style="COLOR: #1f497d"><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN style="COLOR: #1f497d">Thanks,<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN style="COLOR: #1f497d"><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN style="COLOR: #1f497d">Dave
Waite.<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN style="COLOR: #1f497d"><o:p> </o:p></SPAN></P>
<DIV>
<DIV
style="BORDER-BOTTOM: medium none; BORDER-LEFT: medium none; PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; PADDING-RIGHT: 0in; BORDER-TOP: #b5c4df 1pt solid; BORDER-RIGHT: medium none; PADDING-TOP: 3pt">
<P class=MsoNormal><B><SPAN
style="FONT-FAMILY: 'Tahoma','sans-serif'; FONT-SIZE: 10pt">From:</SPAN></B><SPAN
style="FONT-FAMILY: 'Tahoma','sans-serif'; FONT-SIZE: 10pt"> Jayesh Krishna
[mailto:jayesh@mcs.anl.gov] <BR><B>Sent:</B> Thursday, October 01, 2009 11:00
AM<BR><B>To:</B> 'dave waite'<BR><B>Cc:</B>
mpich-discuss@mcs.anl.gov<BR><B>Subject:</B> RE: [mpich-discuss] -channel
shm<o:p></o:p></SPAN></P></DIV></DIV>
<P class=MsoNormal><o:p> </o:p></P>
<P class=MsoNormal><SPAN
style="FONT-FAMILY: 'Arial','sans-serif'; COLOR: blue; FONT-SIZE: 10pt">Hi,</SPAN><SPAN
style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 12pt"><o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-FAMILY: 'Arial','sans-serif'; COLOR: blue; FONT-SIZE: 10pt"> The
SHM channel is old (It is already deprecated on unix, it will be deprecated on
windows in the upcoming release). Use the newer Nemesis channel (-channel
nemesis) instead.</SPAN><SPAN
style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 12pt"><o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 12pt"> <o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-FAMILY: 'Arial','sans-serif'; COLOR: blue; FONT-SIZE: 10pt">Regards,</SPAN><SPAN
style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 12pt"><o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-FAMILY: 'Arial','sans-serif'; COLOR: blue; FONT-SIZE: 10pt">Jayesh</SPAN><SPAN
style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 12pt"><o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 12pt"><o:p> </o:p></SPAN></P>
<DIV style="TEXT-ALIGN: center" class=MsoNormal align=center><SPAN
style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 12pt">
<HR align=center SIZE=2 width="100%">
</SPAN></DIV>
<P style="MARGIN-BOTTOM: 12pt" class=MsoNormal><B><SPAN
style="FONT-FAMILY: 'Tahoma','sans-serif'; FONT-SIZE: 10pt">From:</SPAN></B><SPAN
style="FONT-FAMILY: 'Tahoma','sans-serif'; FONT-SIZE: 10pt">
mpich-discuss-bounces@mcs.anl.gov [mailto:mpich-discuss-bounces@mcs.anl.gov]
<B>On Behalf Of </B>dave waite<BR><B>Sent:</B> Thursday, October 01, 2009 12:43
PM<BR><B>To:</B> mpich-discuss@mcs.anl.gov<BR><B>Subject:</B> [mpich-discuss]
-channel shm</SPAN><SPAN
style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 12pt"><o:p></o:p></SPAN></P>
<P class=MsoNormal>Using mpich2 on windows, when we run mpiexec using the
–localonly –channel shm options, we see that all cores spin at all times(100%
CPU Usage History, Windows Task Manager). Without, the –channel shm
option, cores show cpu activity only when they are actively computing. Is
that a way to use the –channel shm option and not have the infinite spin limit
on the cores?<o:p></o:p></P>
<P class=MsoNormal><o:p> </o:p></P></DIV></BODY></HTML>