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 + I! ^& ?7 I+ V( Q! [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) K+ A/ P* P& I
suggests, it instructs DC to refrain from fixing DRCs. You may use this' ]: L S$ j- w( C
option for initial passes of compile, when you don’t want to waste time $ n4 w( I5 C6 T* yfixing DRC violations. At a later stage, generate the constraint report and 6 X. s/ M. G B- G6 ?7 @then re-compile incrementally to fix DRCs. This is obviously a painful/ T( i/ E) C0 o' d3 {
approach and users are advised to make their own judgement.