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floorplan without initial core size

Hello all,

I am wondering if it is possible to floorplan without specifying core size.

if the size of the chip be specified at the begining of the P&R, then a flow, to reach the minimum area, may be based on trial and error for diffrenet core sizes ( or core utilizations). Is this true? Can a tool like Encounter P&R with the minimum possible area?

Thanks,

Ali

Design4Life over 16 years ago

Hi Ali,
If a core size isn't specified, usually a default number is used at the beginning, for example 70% utilization. Encounter also has beta functionality for an automated way of arriving at a minimal sized floorplan.
regards,
wt
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naderi over 16 years ago

Thank you for your reply,
Could you please explain a bit more the beta functionality and if there is any command associated?
thanks
Ali
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