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Slower simulations with network installations?

Question asked by PrizmP on Oct 11, 2007
Latest reply on Jan 7, 2008 by PrizmP

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Hi everyone,

I used to run a swept variable S-Parameter simulation on a very simple and idealized circuit consisting of only transmission lines. The swept variable could take 2^12 (4096) states witch took about 9 seconds to simulate in ADS 2004A. Now i need to simulate that same circuit with a second and third parameter to sweep which make the numbers of sweeps grow exponentially. The thing is that now i only have access to ADS 2006A in a network installation environment (which, i think, means libraries are on a remote computer) and each sweep takes 55 seconds! This means that a batch simulation that was supposed to take 1 day with 2004A now takes about 1 week! :'(

My question is... Is this slowdown caused by the new simulation engine/algorithm or would this be caused by the network installation? If so, could there be a workaround to this?

Thanks for your feedback!

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wrivas

Oct 11, 2007 7:47 AM

I moved this topic from the Analog Simulation forum because I feel it will get more responses in thsi forum.

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nilesh1 Dec 27, 2007 4:37 AM

The simulation engine should not be slower from 2004A to 2006A. It is most likely something to do with your network install. Can you install 2006A locally to test if the results are much faster?

Nilesh

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PrizmP Jan 7, 2008 12:55 AM

I'm going to verify that with my network admin. So this could have something to do with the license being managed by a license server? For example if the license is checked before each increment of a variable sweep in a very simple simulation then maybe the overhead of checking the license on the network implies much more latency than the simulation algorithm itself.

Thank you

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wrivas Oct 11, 2007 7:47 AM
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I moved this topic from the Analog Simulation forum because I feel it will get more responses in thsi forum.
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nilesh1 Dec 27, 2007 4:37 AM
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The simulation engine should not be slower from 2004A to 2006A. It is most likely something to do with your network install. Can you install 2006A locally to test if the results are much faster?

Nilesh
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PrizmP Jan 7, 2008 12:55 AM
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I'm going to verify that with my network admin. So this could have something to do with the license being managed by a license server? For example if the license is checked before each increment of a variable sweep in a very simple simulation then maybe the overhead of checking the license on the network implies much more latency than the simulation algorithm itself.

Thank you
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Slower simulations with network installations?

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