Placement - Nets to Ignore

Rule Category: Placement

Rule Classification: Unary

Summary

This rule specifies which nets should be ignored during autoplacement with the Cluster Placer.

Constraints

None, the rule applies to all nets targeted by the scope (Full Query).

How Duplicate Rule Contentions are Resolved

Contentions are not possible.

Rule Application

During autoplacement with the Cluster Placer.

Tips

1. Ignoring power nets can assist in placement speed and quality. If the design has a large number of two pin components that connect to a power net, ignoring the power net will result in these components being clustered based on their other net, rather than the power net.