innovus 快速flow

place :
#place_opt_design -expanded_views -prefix $vars(step) -out_dir $vars(edi_rpt_dir)

setDesignMode -flowEffort standard
setPlaceMode -place_global_cong_effort auto
setPlaceMode -place_global_timing_effort medium

place_design
refinePlace

(place 完直接route)

route:
setNanoRouteMode -drouteEndIteration 40

postroute:
关掉optDesign

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