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List: paraview
Subject: [Paraview] (no subject)
From: "Nick Franklin" <nickfzx () hotmail ! com>
Date: 2004-09-27 11:50:23
Message-ID: BAY18-F33r0dSHpVyLr0000e8da () hotmail ! com
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<html><div style='background-color:'><DIV class=RTE><FONT face=Arial,sans-serif \
size=2><B>Paraview - render-server/data-server<?xml:namespace prefix = o \
/><o:p></o:p></B></FONT><FONT face=Arial,sans-serif><FONT size=2></FONT></FONT> <P \
class=MsoNormal><FONT face=Arial,sans-serif size=2><o:p></o:p></FONT></P><FONT \
face=Arial,sans-serif><FONT size=2></FONT></FONT> <P class=MsoNormal><FONT \
face=Arial,sans-serif size=2><o:p></o:p></FONT></P><FONT face=Arial,sans-serif><FONT \
size=2></FONT></FONT> <P class=MsoNormal><FONT face=Arial,sans-serif size=2>I have a \
few questions regarding Paraview and the way it works in client/server \
mode.</FONT></P><FONT face=Arial,sans-serif><FONT size=2></FONT></FONT> <P \
class=MsoNormal><FONT face=Arial,sans-serif size=2><o:p></o:p></FONT></P><FONT \
face=Arial,sans-serif><FONT size=2></FONT></FONT> <P class=MsoNormal><FONT \
face=Arial,sans-serif size=2>My overall goal is to setup Paraview to distribute the \
data calculations (e.g. filters, manipulation of large data sets, etc) and the \
rendering of our data across a cluster of linux boxes.</FONT></P><FONT \
face=Arial,sans-serif><FONT size=2></FONT></FONT> <P class=MsoNormal><FONT \
face=Arial,sans-serif size=2><o:p></o:p></FONT></P><FONT face=Arial,sans-serif><FONT \
size=2></FONT></FONT> <P class=MsoNormal><FONT face=Arial,sans-serif size=2>I will \
start with what I have done:<SPAN> </SPAN>I have configured Paraview with MPI \
for linux (RH 9.1) and Windows.<SPAN> </SPAN>I have configured a setup wherebye \
I run Paraview in server mode and it distributes to 6 nodes.<SPAN> </SPAN>Here \
is the command I am using:<SPAN> </SPAN>mpirun –np 6 –p4ssport xxxx paraview \
--server</FONT></P><FONT face=Arial,sans-serif><FONT size=2></FONT></FONT> <P \
class=MsoNormal><FONT face=Arial,sans-serif size=2><o:p></o:p></FONT></P><FONT \
face=Arial,sans-serif><FONT size=2></FONT></FONT> <P class=MsoNormal><FONT \
face=Arial,sans-serif size=2>The -p4ssport bit is a way of bypassing potential ssh \
problems that could come up.<SPAN> </SPAN>It simply uses mpich’s secure server \
to run shell commands on other servers, the only dissadvantate (I think) is that I \
have to manually key in the passwords for each node everytime I start a Paraview \
server.</FONT></P><FONT face=Arial,sans-serif><FONT size=2></FONT></FONT> <P \
class=MsoNormal><FONT face=Arial,sans-serif size=2><o:p></o:p></FONT></P><FONT \
face=Arial,sans-serif><FONT size=2></FONT></FONT> <P class=MsoNormal><FONT \
face=Arial,sans-serif size=2>So…the server starts…I type in the password for each \
node and then it says “waiting for client on port 11111” and instances of paraview \
popup in the system monitor on each linux node.</FONT></P><FONT \
face=Arial,sans-serif><FONT size=2></FONT></FONT> <P class=MsoNormal><FONT \
face=Arial,sans-serif size=2><o:p></o:p></FONT></P><FONT face=Arial,sans-serif><FONT \
size=2></FONT></FONT> <P class=MsoNormal><FONT face=Arial,sans-serif size=2>I then \
connect to the server using the command: paraview --client<SPAN> </SPAN>the \
client connects successfully and all seems well and good.<SPAN> </SPAN>I make a \
ridiculously large sphere on the client and the system monitor on all the nodes start \
to wizz up to 100%.<SPAN> </SPAN>Then 6 tiles appear on the server machine \
containing 6 slices of sphere.<SPAN> </SPAN>Then the final sphere appears on \
the client machine.</FONT></P><FONT face=Arial,sans-serif><FONT size=2></FONT></FONT> \
<P class=MsoNormal><FONT face=Arial,sans-serif size=2><o:p></o:p></FONT></P><FONT \
face=Arial,sans-serif><FONT size=2></FONT></FONT> <P class=MsoNormal><FONT \
face=Arial,sans-serif size=2>So…what is happening here???<SPAN> </SPAN>Is the \
rendering of the sphere being distributed or is the data generation of the sphere \
being distributed.</FONT></P><FONT face=Arial,sans-serif><FONT size=2></FONT></FONT> \
<P class=MsoNormal><FONT face=Arial,sans-serif size=2><o:p></o:p></FONT></P><FONT \
face=Arial,sans-serif><FONT size=2></FONT></FONT> <P class=MsoNormal><FONT \
face=Arial,sans-serif size=2>Does paraview supportdistributed data manipulation (eg, \
If I wanted to extract edges on a very high polygon shape would it distribute the \
calculation of doing this).<SPAN> </SPAN>Or does it only allow distributed \
rendering of the data once it has been manipulated on a single \
machine?</FONT></P><FONT face=Arial,sans-serif><FONT size=2></FONT></FONT> <P \
class=MsoNormal><FONT face=Arial,sans-serif size=2><o:p></o:p></FONT></P><FONT \
face=Arial,sans-serif><FONT size=2></FONT></FONT> <P class=MsoNormal><FONT \
face=Arial,sans-serif size=2>I have tried to set up a data and render server and then \
connect using the –crs argument and it does work but only the nodes of the render \
server do anything and the data-server nodes (the nodes started with the command \
--server) don’t appear to be doing anything.<SPAN> </SPAN>But the rendernodes \
started by the –render-server command seem to at least have some \
activity.</FONT></P><FONT face=Arial,sans-serif><FONT size=2></FONT></FONT> <P \
class=MsoNormal><FONT face=Arial,sans-serif size=2><o:p></o:p></FONT></P><FONT \
face=Arial,sans-serif><FONT size=2></FONT></FONT> <P class=MsoNormal><FONT \
face=Arial,sans-serif size=2>Could anyone please shed light on how exactly Paraview \
works in this way.</FONT></P><FONT face=Arial,sans-serif><FONT size=2></FONT></FONT> \
<P class=MsoNormal><FONT face=Arial,sans-serif size=2><o:p></o:p></FONT></P><FONT \
face=Arial,sans-serif><FONT size=2></FONT></FONT> <P class=MsoNormal><FONT \
face=Arial,sans-serif size=2><o:p></o:p></FONT></P><FONT face=Arial,sans-serif><FONT \
size=2></FONT></FONT> <P class=MsoNormal><FONT face=Arial,sans-serif size=2>Is there \
some classic way of doing what I am trying todo?<SPAN> </SPAN>How are others \
doing this?</FONT></P><FONT face=Arial,sans-serif><FONT size=2></FONT></FONT> <P \
class=MsoNormal><FONT face=Arial,sans-serif size=2><o:p></o:p></FONT></P><FONT \
face=Arial,sans-serif><FONT size=2></FONT></FONT> <P class=MsoNormal><FONT \
face=Arial,sans-serif size=2>Also if anyone is interested in instructions on \
compiling Paraview with MPI on RH Linux 9.1 let me know because it seems that there \
might be demand for this looking through the discussion groups.</FONT></P><FONT \
face=Arial,sans-serif><FONT size=2></FONT></FONT> <P class=MsoNormal><FONT \
face=Arial,sans-serif size=2><o:p></o:p></FONT></P><FONT face=Arial,sans-serif><FONT \
size=2></FONT></FONT> <P class=MsoNormal><FONT face=Arial,sans-serif size=2>The setup \
I am using is a 6 node (to begin with), Athlon 64 3000 each with 0.5gb of ram and all \
running RH 9.1.<SPAN> </SPAN>As the client machine I am using a windows Pentium \
4 system.<SPAN> </SPAN>The version of Paraview is 1.6.1 and it is compiled with \
MPICH 1.x.x.</FONT></P><FONT face=Arial,sans-serif><FONT size=2></FONT></FONT> <P \
class=MsoNormal><FONT face=Arial,sans-serif size=2>Any help would be \
great.</FONT></P><FONT face=Arial,sans-serif><FONT size=2></FONT></FONT> <P \
class=MsoNormal><FONT face=Arial,sans-serif size=2><o:p></o:p></FONT></P><FONT \
face=Arial,sans-serif><FONT size=2></FONT></FONT> <P class=MsoNormal><FONT \
face=Arial,sans-serif size=2>Regards</FONT></P><FONT face=Arial,sans-serif><FONT \
size=2></FONT></FONT> <P class=MsoNormal><FONT face=Arial,sans-serif \
size=2><o:p></o:p></FONT></P><FONT face=Arial,sans-serif><FONT size=2></FONT></FONT> \
<P class=MsoNormal><FONT face=Arial,sans-serif size=2>Nick</FONT></P> <P \
class=MsoNormal><FONT face=Arial,sans-serif \
size=2>---------------------------------</FONT></P><FONT face=Arial,sans-serif><FONT \
size=2></FONT></FONT> <P class=MsoNormal><FONT face=Arial,sans-serif size=2>Nick \
Franklin</FONT></P><FONT face=Arial,sans-serif><FONT size=2></FONT></FONT> <P \
class=MsoNormal><FONT face=Arial,sans-serif size=2>Email:<SPAN> </SPAN><A \
href="mailto:nickfzx@aol.com">nickfzx@aol.com</A></FONT></P><FONT \
face=Arial,sans-serif><FONT size=2></FONT></FONT> <P class=MsoNormal><FONT \
face=Arial,sans-serif size=2>Tel: 415 640 3124</FONT></P><FONT \
face=Arial,sans-serif><FONT size=2></FONT></FONT> <P class=MsoNormal><FONT \
face=Arial,sans-serif \
size=2>---------------------------------</FONT></P></DIV></div><br \
clear=all><hr>Enjoy the awesome learning power of Encarta® at your fingertips when \
you subscribe to <a href="http://g.msn.com/8HMAENUK/2731??PS=47575" \
target="_top">MSN® Encarta Premium.</a> </html>
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