Product Documentation
Virtuoso Automated Device Placement and Routing Flow Guide
Product Version IC23.1, November 2023

diffLayerNames

APR.device.grid diffLayerNames string cellName

Description

Specifies the cell of the instance to be considered as the master for creating dummy fill. This environment variable is applicable only when dummyFillNeighbor is set to nil.

The default value is "" because dummyFillNeighbor is set to t by default.

GUI Equivalent

Command

Auto P&R assistant – Fill tab

Field

Dummy Fill – Cell

Examples

envGetVal("APR.device.grid" "diffLayerNames")
envSetVal("APR.device.grid" "diffLayerNames" 'string "myCell")

Related Topics

Generating and Deleting Base Layer Fill

Auto P&R Assistant User Interface for Device-Level Placement


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