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_rule 1 m6 U6 w' ]# y* c) [! B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 name# I+ K+ E9 R$ S: N3 m, @; C
suggests, it instructs DC to refrain from fixing DRCs. You may use this * i/ ]$ k6 g7 \2 T1 U- u) l, uoption for initial passes of compile, when you don’t want to waste time0 s; N6 i3 C7 P
fixing DRC violations. At a later stage, generate the constraint report and" M7 E: p# ]2 g0 f ?7 R6 S
then re-compile incrementally to fix DRCs. This is obviously a painful 1 P& z( s2 ^5 i* D* t3 X* g' mapproach and users are advised to make their own judgement.