Steps for Generating Wire Load Models

The set joad script specifies the load on every net in the design. Most floorplanning and place and route tools are capable of generating this information. The create wire load command be used with the -hierarchy option to generate wire load models for each sub-block in the design. 

Example 6.5 shows a custom wire-load model generated from Compass Design Automation s floorplan tool. This custom wire load model can be included in your technology library using the update lib command and then selected appropriately using the sct wire load command. These estimated wire-loads are not as accurate as 

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