Parallel Computing and Network connection

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Moes 2011-3-10

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Hi,

Is there a need to be connected to the internet while matlabpool is running on a single multicore machine?

I can run a code in parallel only when I am connected to the internet; otherwise, matlabpool hangs and does not initialise.

I have tested this both on Windows 7 Ultimate 64-bit (quad core machine) and also Mac OSX (dual core machine). On both of this machines, matlabpool only works if I am connected to the internet [or MATLAB and MPIexec are allowed to access the internet]. While this is OK if I have internet access, but it is not always the case.

Cheers

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Edric Ellis 2011-3-10

I just tried pulling the network cable out of my Windows 7 machine and using R2010b was able to run "matlabpool local 4"...

Moes 2011-3-11

I am using version R2009b. The setting for Parallel is the default "local" setting. I have not changed anything.

I don't know why but it only works if it's allowed to connect to the net.

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回答（1 个）

Walter Roberson 2011-3-10

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Where is your license server, local or networked? How is your scheduler configured?

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Moes 2011-3-10

I have no idea. I have not changed the settings that came with the default installation. MATLAB is installed on single machines and is not a network installation.

I guess I have to set it up?

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