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Natesan Venkateswaran
Researcher at IBM
Publications - 44
Citations - 774
Natesan Venkateswaran is an academic researcher from IBM. The author has contributed to research in topics: Static timing analysis & Statistical static timing analysis. The author has an hindex of 10, co-authored 43 publications receiving 762 citations.
Papers
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Journal ArticleDOI
First-Order Incremental Block-Based Statistical Timing Analysis
Chandu Visweswariah,Kaushik Ravindran,Kerim Kalafala,Steven G. Walker,Sambasivan Narayan,D.K. Beece,Jeffrey S. Piaget,Natesan Venkateswaran,Jeffrey G. Hemmett +8 more
TL;DR: A canonical first-order delay model that takes into account both correlated and independent randomness is proposed, and the first incremental statistical timer in the literature is reported, suitable for use in the inner loop of physical synthesis or other optimization programs.
Proceedings ArticleDOI
Criticality computation in parameterized statistical timing
TL;DR: A novel algorithm to compute the criticality probability of every edge in the timing graph of a design with linear complexity in the circuit size, and it is shown that for large industrial designs with 442,000 gates, the algorithm computes all edge criticalities in less than 160 seconds.
Patent
Timing closure on multiple selective corners in a single statistical timing run
Nathan C. Buck,Brian M. Dreibelbis,John P. Dubuque,Eric A. Foreman,Peter A. Habitz,Jeffrey G. Hemmett,Susan K. Lichtensteiger,Natesan Venkateswaran,Chandramouli Visweswariah,Xiaoyue Wang +9 more
TL;DR: In this paper, an approach for covering multiple selective timing corners in a single statistical timing run is described, where a single timing analysis is run on the full parameter space that covers unlimited process parameters/environment conditions.
Patent
System and Method for Performing Static Timing Analysis in the Presence of Correlations Between Asserted Arrival Times
Kerim Kalafala,Jennifer E. Basile,David J. Hathaway,Jeffrey G. Hemmett,Peihua Qi,Natesan Venkateswaran,Chandramouli Visweswariah,Vladimir Zolotov +7 more
TL;DR: In this article, a method of applying common path credit in a static timing analysis in the presence of correlations between asserted arrival times is proposed, comprising the steps of using a computer, identifying one or more pairs of asserted arrival time for which one or multiple correlations exist, propagating to each of the one or several pairs of assertion times a timing value dependent on the one-or more correlations, and performing a subsequent common path pessimism removal analysis for at least one test during which the timing value depends on the correlations.
Patent
Method for optimizing a VLSI floor planner using a path based hyper-edge representation
Nagashyamala R. Dhanwada,Glenn E. Holmes,Joseph K. Morrell,Jose L. Neves,Natesan Venkateswaran +4 more
TL;DR: An abstraction based multi-phase method for VLSI chip floorplanning is described in this article, where annotations generated during abstraction are presented as floorplan constraints which account for abstracted data.