標題: -no_design_rule在set_driving_cell中的作用 [打印本頁] 作者: klim 時間: 2009-4-7 09:18 PM 標題: -no_design_rule在set_driving_cell中的作用 在set_driving_cell後都會加-no_design_rule5 ]. U& y e% ~3 [
請問加了有什麼好處?作者: rogeryang 時間: 2009-4-10 05:13 PM
The –no_design_rule option is not used frequently and as the name7 U6 v' p& j# F& [8 @5 o
suggests, it instructs DC to refrain from fixing DRCs. You may use this ; [* R& C' _' c# koption for initial passes of compile, when you don’t want to waste time# i9 O+ }1 T. p
fixing DRC violations. At a later stage, generate the constraint report and3 s2 N, k' E( ?5 D. F9 \
then re-compile incrementally to fix DRCs. This is obviously a painful, u. F9 I+ e7 a! i- L6 P8 k3 N" T
approach and users are advised to make their own judgement.