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Among timing analysis applications, timing-driven operations are imperative for the success of optimization flows, such as placement, routing, logic synthesis, and physical synthesis. Optimization transforms change the design, and therefore have the potential to significantly affect timing information. As such, timing must be kept current to ensure slack integrity and timing closure. For reasonable...
At modern technology nodes, improving routability and reducing total wirelength are no longer sufficient to close timing. Incremental timing-driven placement (TDP) seeks to resolve timing violations while limiting the impact to the original placement in an effort to achieve timing closure. To improve the timing landscape in localized regions, some latches or nets may require specialized attention...
To protect against modeling limitations in considering design and electrical complexities, as well as variability, early and late signal propagation times in static timing analysis are often made pessimistic by addition of extra guard bands. However, these forced early-late splits introduce excessive and undesired pessimism. To this end, common path pessimism removal (CPPR) eliminates guaranteed redundant...
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