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Montecarlo and XPS MS

stes

Hello,

I am trying to perform some Montecarlo simulations on a mixed-signal circuit. Since XPS-MS speeds up single simulations quite a lot but it doesn't support montecarlo (I'm using IC 6.1.8 and spectre 18.1.0), I was wondering if is there any workaround to do that? For example, if I want to rerun just a few points, can I save them as corners and run them as "single run, sweeps and corners" with XPS? I tried with "Create statistical corner" on one of the outputs, but the corner still can't be run with XPS...

Thanks in advance!

  • I'm assuming you're creating the statistical corners with normal spectre, and then trying to re-use with XPS? I'm not sure that would work - it certainly wouldn't work if the statistical corners are "sequence" style corners because they effectively run a single point Monte Carlo as the corner. It might work if you go onto the Monte Carlo options and choose to "save statistical data" (or whatever the option is - not sure if you're using ADE Explorer, Assembler or XL) - then because the default value of adexl.monte createStatisticalCornerType is "auto", it should then (I think) save the corners as all the parameter values for each device, and that may well work with XPS MS.

    Either way, it's a bit of a stretch since it isn't supported... I'd not like to stake my life on it.

    Andrew.

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