| 摘要 |
Method, apparatus, and computer readable medium for directed physical implementation of a circuit design for an integrated circuit is described. One aspect of the invention relates to implementing a circuit design for an integrated circuit. Matching elements between an original version of the circuit design and a modified version of the circuit design are identified. The original version includes an original implementation. The modified version is partially placed and routed to establish a guided implementation having guided placements and guided routes for the matching elements based on placements and routes from the original implementation. Actual timing characteristics for the guided placements and the guided routes are obtained. Since the routes in the guided implementation are fully implemented, actual timing characteristics can be exactly determined. Placement and routing in the modified implementation are completed using the actual timing characteristics.
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