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  3. Monte carlo ignorezerovar error

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Monte carlo ignorezerovar error

zinal7
zinal7 over 2 years ago

I am working on 40nm PDK, While working with models I noticed that 'ignorezerovar=yes' is not set in the models by default ( confirmed by the foundry). Without that, I'm getting the error in the Monte Carlo simulation 

ERROR (SFE-3225): Cannot run the simulation because, in Monte-Carlo analysis, the variance (or standard deviation) of statistical parameters cannot be zero.
Specify`ignorezerovar=yes' using the 'options' statement to bypass this check and rerun the simulation.

I understand that it is giving a solution as well to set value under 'options', however, I do not want to do that each and every time OR for each and every ADE window/session.

I want that before I launch Virtuoso, the variable should get set automatically (if anyway) maybe any SKILL Script which can be part of PDK and get loaded while launching Virtuoso - and when I open ADE it should be taken care of! Can anyone please help - How can I have the SKILL Code which helps me get there?

I did also try the method described here - https://support.cadence.com/apex/ArticleAttachmentPortal?id=a1Od0000000vQE1EAM&pageName=ArticleContent - But It did not work either and I do not want to change my .cdsinit/.cdsenv too!

Thank you very much for your time!

Regards,

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