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Help for parallel session

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Old   May 29, 2009, 04:15
Default Help for parallel session
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Fabio
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Hi everybody,

I need help for parallel in star ccm+.

Someone can give the procedure for work 4 machine in parallel (quadcore, ram 8Gb) in Windows XP.
I recive a message:
"unable to connect" when I try to lunch the parallel session.

Thank you very much
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Old   May 29, 2009, 04:33
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I hope XP 64Bit?

How do you start your simulation? Can you post the command line here?
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Old   May 29, 2009, 04:41
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Sure XP 64Bit.

I didn't use the command line, but tried in the program panel (File -> Load Simulation -> Menu parallel).
If you know another way, tell me please, I'm new in star ccm+.

Thank you
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Old   May 29, 2009, 06:12
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When you do this way you have shown the comand-line below in the dialog.

What parallel options you select?
Do you have enough licenses?
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Old   May 29, 2009, 06:22
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Yes I have enough licenses.

The option selected are:

"controller on a worker host" and then I set the name of the machine in the "parallel hosts", where I have to specifiy number of processes.

In the line command:

"star ccm+ -server -on NAME HOST : 4"
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Old   May 29, 2009, 06:36
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I actualy have ccm under linux, but I can look under windows next week.
Under linux I select "Run all processes on local host".
The "controller on a worker host" I only have when I select "specify parallel hosts".

My comand lin ies starccm+ -server -np X (X=numbers of cpu's)
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Old   May 29, 2009, 06:40
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maybe you work on a single machine with more than a cpu.

I need to work on more machines.

Any suggest? Do you have a user guide?

thank you
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Old   May 29, 2009, 06:43
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Ahh sure! you have 4 computers with each a quad core
Yes I have a user guide, look in your star folder in the doc folder
Or press F1
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Old   May 29, 2009, 16:47
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Well, the error says it can't connect, so see if you can even ping the machines (start>run>cmd>"ping MACHINE_NAME").

Then, turn of all the firewalls, and try again. Let us know what happens.

Also, I assume you know that you can run parallel only with machines with same operating system AND architecture (all have to be 64-bit or 32-bit).
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