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Communication Dans Un Congrès Année : 2004

Block Constraints Budgeting in Timing-Driven Hierarchical Flow

Résumé

In this paper, we introduce a new block budgeting algorithm that speeds up timing closure in timing driven hier- archical flows. After a brief description of the addressed flow, block budgeting challenges are detailed. Then, we explain why existing budgeting approaches are not adapted to fulfil these challenges. A new block budgeting algorithm is proposed. In order to derive relevant block constraints, this algorithm analyzes the design flexibility. This Flexibility Aware Budgeting (FAB) approach is then compared to some previous ones. Experiments based on commercial EDA tools and real designs show up to 55 % reduction in hierarchical flow run time and lead to a good flow timing closure.
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Dates et versions

lirmm-00108941 , version 1 (21-01-2017)

Identifiants

  • HAL Id : lirmm-00108941 , version 1

Citer

Olivier Omedes, Michel Robert, Mohamed Ramdani. Block Constraints Budgeting in Timing-Driven Hierarchical Flow. DCIS: Design of Circuits and Integrated Systems, Nov 2004, Bordeaux, France. pp.930-935. ⟨lirmm-00108941⟩
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