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Title:An efficient and accurate timing macro-modeling algorithm for large hierarchical designs
Author(s):Lai, Tin-Yin
Advisor(s):Wong, Martin D. F.
Department / Program:Electrical & Computer Eng
Discipline:Electrical & Computer Engr
Degree Granting Institution:University of Illinois at Urbana-Champaign
Subject(s):Timing macro-modeling
Timing analysis
Abstract:Ever-increasing circuit design complexity is driving the need for fast and accurate macro-modeling algorithms to accelerate hierarchical timing. We introduce LibAbs, an effective macro-modeling algorithm that efficiently supports high accuracy, high compression rate, and multi-threading. LibAbs applies tree-based graph reduction techniques to reduce the model size with accuracy values comparable to those of the flat model under a multi-threaded environment. LibAbs outperforms existing tools including the top winners from the TAU 2016 macro-modeling contest in terms of model size, accuracy, and runtime on industry benchmarks. The in-context usage of our abstracted model has also demonstrated promising performance for timing-driven optimizations in large hierarchical designs.
Issue Date:2017-06-19
Rights Information:Copyright 2017 Tin-Yin Lai
Date Available in IDEALS:2017-09-29
Date Deposited:2017-08

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