icc2这两个APP——option有什么区别

0417多音字

1  route_opt.flow.enable_targeted_ccd_wns_optimization
Specifies  whether  targeted  concurrent clock and data optimization is
       enabled in the route_opt command. Enabling  targeted  concurrent  clock
       and  data optimization helps setup timing closure on user-specified end
       points and/or path groups.

2oute_opt.flow.enable_ccd
Specifies  whether concurrent clock and data optimization is enabled in
       the route_opt command. Enabling concurrent clock and data  optimization
       helps setup timing closure.

莫名晴天

第二个选项是开启ccd opt，第一个选项是定义wns是多少的path用ccd opt去修复，比如你可以定义-100ps，那么就是-100ps一下的路径会用ccdopt去优化，大概就是这样。