setOptMode -preserveModuleFunction 问题

ak470408

最近刚开始学APR
不太懂Innovus这个指令的意思


setOptMode -preserveModuleFunction

Determines whether to preserve logical functions at hierarchical module ports.

When set to false , only the hierarchical module ports that have a timing assertion applied on them will be preserved (not deleted, duplicated, or polarity changed). This is the recommended setting since it allows more freedom for timing optimization while not impacting the netlist functionality or the timing constraints.

When set the true , every port of every hierarchical mode will be preserved (not deleted, duplicated, or polarity changed). This is very constraining.

还有想请问一下 setOptMode 和 place_opt 主要的功能是什么呢

ak470408

innovus opt主要有分成那些细的步骤呢

xionghannan

同问。。楼主搞明白了么。。