Parallel Computing Toolbox - Need help to start with...

2012 1 29
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Hi.. I'm a student and 'm trying to configure Matlab R2010a Parallel Computing Toolbox for a client and one worker. Matlab doc doesn't talk much on the configuration part. Tried the one given on http://www.mathworks.in/help/toolbox/distcomp/f5-16141.html - not very clear and hence didn't work. As a beginner, I just want to run a simple parfor-loop on two machines. I would be grateful if someone provides me a step-by-step solution for how to, basically, connect two systems using Matlab.. Thanks for your time..

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Titus Edelhofer
Titus Edelhofer 2012-1-29

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Hi Alok,
some clarifications: you want to use "two systems". Does this mean, two different machines? In this case the Parallel Computing Toolbox will not be sufficient but you will need to run the MATLAB Distributed Computing Server ... The Parallel Computing Toolbox is bound to one "physical" machine only.
Titus

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Alok D
Alok D 2012-1-30
Hi Titus,
Thanks a million! Will check the doc for Distributed Computing Server and get back here if I need to.. Thanks again! :)
Alok

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Alok D
Alok D 2012-1-30

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Hi Titus,
Ur answer helped me! All the configurations are now done.. One more help if possible.. Need a sample code to run, say a basic parfor-loop, parallelly on two machines. Tried something using the doc, ended up running it ultimately in one system only.. Thanks a ton, anyway!
Alok
Titus Edelhofer
Titus Edelhofer 2012-1-31

0 个投票

Hi Alok,
a simple sample that employs all workers (and therefore should spread across the machines your workers run on) would be
function testparfor
matlabpool open
n = 500;
x = zeros(n, 1);
parfor i=1:n
x(i) = rank(magic(i));
end
Make sure, that the default configuration is not the local configuration but the jobmanager configuration you have done.
Titus

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Alok D
Alok D 2012-2-2
Hi Titus,
Worked! Thanks a million!
Nice to see such helpful people out here.. I hope I can also help others with whatever I know..!
Alok

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