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<DIV dir=ltr align=left><FONT color=#0000ff size=2 face=Arial><SPAN
class=122515717-01102009>Hi,</SPAN></FONT></DIV>
<DIV dir=ltr align=left><FONT color=#0000ff size=2 face=Arial><SPAN
class=122515717-01102009> 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></FONT></DIV>
<DIV dir=ltr align=left><FONT color=#0000ff size=2 face=Arial><SPAN
class=122515717-01102009></SPAN></FONT> </DIV>
<DIV dir=ltr align=left><FONT color=#0000ff size=2 face=Arial><SPAN
class=122515717-01102009>Regards,</SPAN></FONT></DIV>
<DIV dir=ltr align=left><FONT color=#0000ff size=2 face=Arial><SPAN
class=122515717-01102009>Jayesh</SPAN></FONT></DIV><BR>
<DIV dir=ltr lang=en-us class=OutlookMessageHeader align=left>
<HR tabIndex=-1>
<FONT size=2 face=Tahoma><B>From:</B> 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<BR></FONT><BR></DIV>
<DIV></DIV>
<DIV class=Section1>
<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>
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