Stats

  • Locked Locked
  • Replies 1
  • Subscribers 90
  • Views 683
  • Members are here 0
This discussion has been locked.
You can no longer post new replies to this discussion. If you have a question you can start a new discussion

Which command should be used instead of "optFanout -selNetFile optNet_6.net" in Encounter 9.1?

ssprach

Dear all,

 may somebody help me. Till now I was using the command "optFanout -selNetFile optNet_6.net" to optimize nets which do not meet timing constraints. This works in Encounter 8.1 but not in encounter 9.1. So my question now is, what should I use instead? Does you know an answer?

Best regards

Silvia Sprachmann

  •  I don't think optFanout is a valid command anymore. If optDesign isn't fixing these paths, we need to figure out why. Is it just the fanout you're concerned about, or do these paths have negative slack or transition or cap violations? Fanout itself is not fixed by default - you have to do:

    setOptMode -fixFanoutLoad true

    before running optDesign.

Community Guidelines

The Cadence Design Communities support Cadence users and technologists interacting to exchange ideas, news, technical information, and best practices to solve problems and get the most from Cadence technology. The community is open to everyone, and to provide the most value, we require participants to follow our Community Guidelines that facilitate a quality exchange of ideas and information. By accessing, contributing, using or downloading any materials from the site, you agree to be bound by the full Community Guidelines.