Product Documentation
Virtuoso Space-based Router Command Reference
Product Version IC23.1, September 2023

10


ECO Route Commands

Virtuoso® Space-based Router supports Engineering Change Order (ECO) operations to modify and re-route sections of the design. ECOs are commonly used to move cells, remaster cells, and add or delete buffers to improve timing and signal integrity. Space-based Router lets you run what-if scenarios by performing a sequence of ECO commands, and saving or discarding the changes based on your evaluation of the results.

This topic lists the ECO commands:

eco_begin

eco_commit

eco_connect_inst_term

eco_connect_term

eco_copy_implementation

eco_create_instance

eco_create_net

eco_destroy_instance

eco_destroy_net

eco_disconnect_inst_term

eco_disconnect_term

eco_move_instance

eco_remaster_instance

eco_repair_net

eco_route

eco_set_net_preferred_layers

eco_set_net_rule

eco_undo

get_changed_area

Related Topics

ECO Routing

Routing ECO Changes


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