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Computer Aided Design - CAD > Cadence > Re: MonteCarlo ...
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Re: MonteCarlo Results from SKILL script

by Riad KACED <riad.kaced@[EMAIL PROTECTED] > Apr 22, 2008 at 03:44 PM

Hi,

1. You're St=E9phane, unless it's run in the background, the system
command holds the skill code until it's completed.I tried the "system"
with/without the '&', the results confirmed your statements. Thanks !

2. I'm a little bit surprised that your ENOB call gets only at the end
of the MC analysis, that's odd. According to the Spectre
Do***entation, the MC runs according to the following algorithm :

 perform nominal run if requested
if any errors in nominal run then stop
for each Monte Carlo iteration {
   if process variations specified then
      apply "process" variation to parameters
   if mismatch variations specified then
      for each subcircuit instance {
         apply "mismatch" variation to parameters
      }
   for each child analysis {
      run child analysis
   	 evaluate any ex****t statements and
   	 store results in a scalar data file
   }
}

3.Well, your problem is a liitle bit tricky and very hard to debug
without a concrete run (at least with my level of experience).I
honestly think you're flow is a little bit complex. I would advice to
make a clean single ocean script and then run it from your unix
terminal by invoking the ocean shell and then load the ocean file. You
will avoid the ocean -nograph and stuff. Just one more thing when your
run your MC from unix.Copying the input.scs only is not sufficient to
run MC. I think it is worth copying the whole simulation directory.

I'm afaraid I'm not fit enough to go any further so far ...
So good luck !

Riad.
 




 6 Posts in Topic:
MonteCarlo Results from SKILL script
"p_ritter" <  2008-04-21 05:31:42 
Re: MonteCarlo Results from SKILL script
Riad KACED <riad.kaced  2008-04-21 16:12:18 
Re: MonteCarlo Results from SKILL script
"S. Badel" <  2008-04-22 02:25:22 
Re: MonteCarlo Results from SKILL script
"p_ritter" <  2008-04-21 23:50:27 
Re: MonteCarlo Results from SKILL script
Riad KACED <riad.kaced  2008-04-22 15:44:21 
Re: MonteCarlo Results from SKILL script
"S. Badel" <  2008-04-23 11:29:42 

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tan12V112 Mon Dec 1 21:27:24 CST 2008.