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<DIV dir=ltr align=left><SPAN class=505214415-03072005><FONT face=Arial
color=#0000ff size=2>The intercommunicator returned by MPI_Comm_spawn is the one
you are looking for.</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=505214415-03072005><FONT face=Arial
color=#0000ff size=2></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=505214415-03072005><FONT face=Arial
color=#0000ff size=2>MPI_Comm_get_parent on the spawned
processes returns an intercommunicator that has the spawned
processes in one group and the parent processes in the other group.
MPI_Comm_spawn on the spawnees returns the same intercommunicator, which can be
used for communication with the spawned processes.</FONT></SPAN></DIV>
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color=#0000ff size=2></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=505214415-03072005><FONT face=Arial
color=#0000ff size=2>Rajeev</FONT></SPAN></DIV>
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color=#0000ff size=2></FONT></SPAN> </DIV><BR>
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<FONT face=Tahoma size=2><B>From:</B> owner-mpich-discuss@mcs.anl.gov
[mailto:owner-mpich-discuss@mcs.anl.gov] <B>On Behalf Of </B>David
Minor<BR><B>Sent:</B> Sunday, July 03, 2005 9:15 AM<BR><B>To:</B>
mpich-discuss@mcs.anl.gov<BR><B>Subject:</B> [MPICH] How do I get the
communicator of the spawned group in the spawnee?<BR></FONT><BR></DIV>
<DIV></DIV>
<P><FONT face=Arial size=2>Hello List,</FONT> </P>
<P><FONT face=Arial size=2>intercomm.Get_parent() from the spawned processes
returns me the communicator of the spawnee, but how do I get the communicator
of the</FONT></P>
<P><FONT face=Arial size=2>spawned processes from the spawnee?
intercomm.Get_remote_group() returns me the group, but how do I get the
communicator?</FONT></P>
<P><FONT face=Arial size=2>Thanks,</FONT> <BR><FONT face=Arial size=2>David
Minor</FONT> </P></BLOCKQUOTE></BODY></HTML>