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<DIV><SPAN class=083220919-02042007><FONT face=Arial color=#0000ff size=2>The
command to run on 8 processors would be</FONT></SPAN></DIV>
<DIV><SPAN class=083220919-02042007><FONT face=Arial color=#0000ff
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=083220919-02042007><FONT face=Arial color=#0000ff size=2>mpirun
-np 8 paraview</FONT></SPAN></DIV>
<DIV><SPAN class=083220919-02042007><FONT face=Arial color=#0000ff
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=083220919-02042007><FONT face=Arial color=#0000ff
size=2>whether that gives the "fastest performance" is a much more complex
issue.</FONT></SPAN></DIV>
<DIV><SPAN class=083220919-02042007><FONT face=Arial color=#0000ff
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=083220919-02042007><FONT face=Arial color=#0000ff
size=2>-David</FONT></SPAN></DIV>
<DIV><SPAN class=083220919-02042007><FONT face=Arial color=#0000ff
size=2></FONT></SPAN> </DIV>
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<DIV class=OutlookMessageHeader lang=en-us dir=ltr align=left><FONT
face=Tahoma size=2>-----Original Message-----<BR><B>From:</B>
paraview-bounces+david.c.gregory=navy.mil@paraview.org
[mailto:paraview-bounces+david.c.gregory=navy.mil@paraview.org] <B>On Behalf
Of </B>Bikash Agarwal<BR><B>Sent:</B> Monday, April 02, 2007 3:04
PM<BR><B>To:</B> eschenbe@psc.edu<BR><B>Cc:</B> ParaView<BR><B>Subject:</B>
Re: [Paraview] Multiple paraview instances in MPI standalone
mode<BR><BR></FONT></DIV>I'm sorry for being naive. Very new to mpi and
parallel processing. How do I run paraview on a machine with 8 processors so
that I can get the fastest performance?<BR><BR>Bikash<BR><BR><BR>
<DIV><SPAN class=gmail_quote>On 4/2/07, <B class=gmail_sendername>Kent
Eschenberg</B> <<A href="mailto:eschenbe@psc.edu">eschenbe@psc.edu</A>>
wrote:</SPAN>
<BLOCKQUOTE class=gmail_quote
style="PADDING-LEFT: 1ex; MARGIN: 0pt 0pt 0pt 0.8ex; BORDER-LEFT: rgb(204,204,204) 1px solid">Bikash
Agarwal wrote:<BR>> When running paraview 2.6 in MPI mode on a single
machine, why does it<BR>> open one instance of paraview for each
processor? When I use,<BR>> mpirun -np 2 ./paraview<BR>> it opens up 2
instances of paraview. <BR><BR>??? That's what you asked it to do with "-np
2". Each<BR>instance knows it is using MPI and so uses the MPI library<BR>to
connect to the other instances. "mpirun" will spread the<BR>instances out
over as many processors as are available to it <BR>(one, in this
case).<BR><BR>Kent<BR></BLOCKQUOTE></DIV><BR></BLOCKQUOTE></BODY></HTML>