-no_design_rule在set_driving_cell中的作用

klim

在set_driving_cell後都會加-no_design_rule
% ~- r( M, s% [: W# V請問加了有什麼好處?

rogeryang

The –no_design_rule option is not used frequently and as the name
$ `' B: c  g, _5 o# I% s" ?suggests, it instructs DC to refrain from fixing DRCs. You may use this
option for initial passes of compile, when you don’t want to waste time
fixing DRC violations. At a later stage, generate the constraint report and
3 y. `* u' h- ~then re-compile incrementally to fix DRCs. This is obviously a painful
  j" l! ~, |0 M6 iapproach and users are advised to make their own judgement.