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<DIV dir=ltr align=left><SPAN class=687260323-08032010><FONT color=#0000ff
size=2 face=Arial>Which version of MPICH are you using and what
device?</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=687260323-08032010><FONT color=#0000ff
size=2 face=Arial></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=687260323-08032010><FONT color=#0000ff
size=2 face=Arial>Rajeev</FONT></SPAN></DIV><BR>
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<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>Bin
Bao<BR><B>Sent:</B> Monday, March 08, 2010 2:41 PM<BR><B>To:</B>
mpich-discuss@mcs.anl.gov<BR><B>Subject:</B> [mpich-discuss] A runtime
environment variable to controleager/rendezvous protocol?<BR></FONT><BR></DIV>
<DIV></DIV>Hi,<BR><BR>Is there a runtime environment variable in MPICH2 that
can be used to control when to switch from eager protocol to rendezvous
protocol? It seems that "MPICH LONGVLONGTHRESH" in MPICH can do
this.<BR><BR>Bin<BR></BLOCKQUOTE></BODY></HTML>