-no_design_rule在set_driving_cell中的作用

klim

在set_driving_cell後都會加-no_design_rule
請問加了有什麼好處?

rogeryang

The –no_design_rule option is not used frequently and as the name
( o" w0 F3 X  J) t: ?8 O. Dsuggests, it instructs DC to refrain from fixing DRCs. You may use this
! P* ?) \! _1 {. R8 o% o4 [option for initial passes of compile, when you don’t want to waste time
/ o8 k8 |$ H& k2 @% r. `fixing DRC violations. At a later stage, generate the constraint report and
% m5 }5 U- A5 s9 z& d. Ithen re-compile incrementally to fix DRCs. This is obviously a painful
& v# u2 S+ q2 c4 K$ Happroach and users are advised to make their own judgement.