Algorithms for library-specific sizing of combinational logic
DAC '90 Proceedings of the 27th ACM/IEEE Design Automation Conference
RICE: Rapid interconnect circuit evaluator
DAC '91 Proceedings of the 28th ACM/IEEE Design Automation Conference
Gate sizing for constrained delay/power/area optimization
IEEE Transactions on Very Large Scale Integration (VLSI) Systems - Special issue on low power electronics and design
Design and optimization of dual-threshold circuits for low-voltage low-power applications
IEEE Transactions on Very Large Scale Integration (VLSI) Systems
Stand-by power minimization through simultaneous threshold voltage selection and circuit sizing
Proceedings of the 36th annual ACM/IEEE Design Automation Conference
Low power synthesis of dual threshold voltage CMOS VLSI circuits
ISLPED '99 Proceedings of the 1999 international symposium on Low power electronics and design
Standby power optimization via transistor sizing and dual threshold voltage assignment
Proceedings of the 2002 IEEE/ACM international conference on Computer-aided design
Proceedings of the 2003 international symposium on Low power electronics and design
Linear programming for sizing, Vth and Vdd assignment
ISLPED '05 Proceedings of the 2005 international symposium on Low power electronics and design
Fast and effective gate-sizing with multiple-Vt assignment using generalized Lagrangian Relaxation
Proceedings of the 2005 Asia and South Pacific Design Automation Conference
ICCAD '05 Proceedings of the 2005 IEEE/ACM International conference on Computer-aided design
Discrete Vt assignment and gate sizing using a self-snapping continuous formulation
ICCAD '05 Proceedings of the 2005 IEEE/ACM International conference on Computer-aided design
Gate sizing for cell library-based designs
Proceedings of the 44th annual Design Automation Conference
Proceedings of the 13th international symposium on Low power electronics and design
Simultaneous Vtselection and assignment for leakage optimization
IEEE Transactions on Very Large Scale Integration (VLSI) Systems
Fast and exact simultaneous gate and wire sizing by Lagrangian relaxation
IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems
IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems
Improving dual Vt technology by simultaneous gate sizing and mechanical stress optimization
Proceedings of the International Conference on Computer-Aided Design
Simultaneous clock and data gate sizing algorithm with common global objective
Proceedings of the 2012 ACM international symposium on International Symposium on Physical Design
Construction of realistic gate sizing benchmarks with known optimal solutions
Proceedings of the 2012 ACM international symposium on International Symposium on Physical Design
Sensitivity-guided metaheuristics for accurate discrete gate sizing
Proceedings of the International Conference on Computer-Aided Design
Fast and efficient lagrangian relaxation-based discrete gate sizing
Proceedings of the Conference on Design, Automation and Test in Europe
Post-synthesis leakage power minimization
DATE '12 Proceedings of the Conference on Design, Automation and Test in Europe
High-performance gate sizing with a signoff timer
Proceedings of the International Conference on Computer-Aided Design
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Gate sizing and threshold voltage (Vt) assignment are popular techniques for circuit timing and power optimization. Existing methods, by and large, are either sensitivity-driven heuristics or based on discretizing continuous optimization solutions. Sensitivity-driven heuristics are easily trapped in local optima and the discretization may be subject to remarkable errors. In this paper, we propose a systematic combinatorial approach for simultaneous gate sizing and Vt assignment. The core idea of this approach is joint relaxation and restriction, which employs consistency relaxation and coupled bi-directional solution search. The process of joint relaxation and restriction is conducted iteratively to systematically improve solutions. Our algorithm is compared with a state-of-the-art previous work on benchmark circuits. The results from our algorithm can lead to about 22% less power dissipation subject to the same timing constraints.