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MODELING TRANSITION EFFECTS FOR CIRCUIT OPTIMIZATION
MODELING TRANSITION EFFECTS FOR CIRCUIT OPTIMIZATION
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机译:为电路优化建模过渡效果
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摘要
Systems and techniques are described for determining a transition-effect model for a timing arc of a library cell. A transition-effect model can be determined for each library cell that is used during an optimization process. The transition-effect models enable an optimization system to estimate the impact of a change in the transition at an output of a driver gate on the delays of downstream gates without requiring to propagate the change in the transition to the downstream gates. Once determined, the transition-effect models can be used to compute one or more transition-induced penalties during circuit optimization. An optimization system can then use the one or more transition-induced penalties to determine whether or not to accept an optimizing transformation, or to discretize a solution obtained from a numerical solver.
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