Placement - Nets to Ignore
Created: February 22, 2016 | Updated: April 11, 2017
| Applies to versions: 16.0, 16.1, 17.0 and 17.1
Now reading version 17.1. For the latest, read: Placement - Nets to Ignore for version 21
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Rule Category: Placement
Rule Classification: Unary
Summary Copy Link Copied
This rule specifies which nets should be ignored during autoplacement with the Cluster Placer.
Constraints Copy Link Copied
None, the rule applies to all nets targeted by the scope (Full Query).
How Duplicate Rule Contentions are Resolved Copy Link Copied
Contentions are not possible.
Rule Application Copy Link Copied
During autoplacement with the Cluster Placer.
Tips Copy Link Copied
- 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.