Time-efficient and TSV-aware 3D gated clock tree synthesis based on self-tuning spectral clustering

Fan Yang; Minghao Lin; Heming Sun; Shinji Kimura

doi:10.1109/MWSCAS.2017.8053144

Time-efficient and TSV-aware 3D gated clock tree synthesis based on self-tuning spectral clustering

Fan Yang, Minghao Lin, Heming Sun, Shinji Kimura

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

3D gated clock tree synthesis (CTS) mainly consists of three steps: 1) abstract clock topology generation; 2) layer embedding for minimal TSV allocation and 3) clock tree routing with gate and buffer insertion. In this paper, a self-tuning spectral clustering based nearest-neighbor selection (SSC-NNS) algorithm with parallel structure is proposed to achieve high time efficiency in clock tree topology generation, with reduced runtime. In addition, a postorder traversal based layer embedding (PTLE) strategy is adopted for determining the embedding layer of internal nodes with minimal TSVges. Experimental results show that the proposed method achieves 32% and 82% runtime reduction on ISPD2009 and IBM benchmarks respectively compared with the state-of-the-art 3D work. Besides, the TSV count is also reduced by 46% on ISPD2009 benchmarks.

Original language	English
Title of host publication	2017 IEEE 60th International Midwest Symposium on Circuits and Systems, MWSCAS 2017
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	1200-1203
Number of pages	4
Volume	2017-August
ISBN (Electronic)	9781509063895
DOIs	https://doi.org/10.1109/MWSCAS.2017.8053144
Publication status	Published - 2017 Sep 27
Event	60th IEEE International Midwest Symposium on Circuits and Systems, MWSCAS 2017 - Boston, United States Duration: 2017 Aug 6 → 2017 Aug 9

Other

Other	60th IEEE International Midwest Symposium on Circuits and Systems, MWSCAS 2017
Country	United States
City	Boston
Period	17/8/6 → 17/8/9

Keywords

3D clock tree synthesis
Parallel
Self-tuning
Spectral clustering
TSV

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Electrical and Electronic Engineering

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Yang, F., Lin, M., Sun, H., & Kimura, S. (2017). Time-efficient and TSV-aware 3D gated clock tree synthesis based on self-tuning spectral clustering. In 2017 IEEE 60th International Midwest Symposium on Circuits and Systems, MWSCAS 2017 (Vol. 2017-August, pp. 1200-1203). [8053144] Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/MWSCAS.2017.8053144

Time-efficient and TSV-aware 3D gated clock tree synthesis based on self-tuning spectral clustering. / Yang, Fan; Lin, Minghao; Sun, Heming ; Kimura, Shinji.

2017 IEEE 60th International Midwest Symposium on Circuits and Systems, MWSCAS 2017. Vol. 2017-August Institute of Electrical and Electronics Engineers Inc., 2017. p. 1200-1203 8053144.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Yang, F, Lin, M, Sun, H & Kimura, S 2017, Time-efficient and TSV-aware 3D gated clock tree synthesis based on self-tuning spectral clustering. in 2017 IEEE 60th International Midwest Symposium on Circuits and Systems, MWSCAS 2017. vol. 2017-August, 8053144, Institute of Electrical and Electronics Engineers Inc., pp. 1200-1203, 60th IEEE International Midwest Symposium on Circuits and Systems, MWSCAS 2017, Boston, United States, 17/8/6. https://doi.org/10.1109/MWSCAS.2017.8053144

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abstract = "3D gated clock tree synthesis (CTS) mainly consists of three steps: 1) abstract clock topology generation; 2) layer embedding for minimal TSV allocation and 3) clock tree routing with gate and buffer insertion. In this paper, a self-tuning spectral clustering based nearest-neighbor selection (SSC-NNS) algorithm with parallel structure is proposed to achieve high time efficiency in clock tree topology generation, with reduced runtime. In addition, a postorder traversal based layer embedding (PTLE) strategy is adopted for determining the embedding layer of internal nodes with minimal TSVges. Experimental results show that the proposed method achieves 32% and 82% runtime reduction on ISPD2009 and IBM benchmarks respectively compared with the state-of-the-art 3D work. Besides, the TSV count is also reduced by 46% on ISPD2009 benchmarks.",

keywords = "3D clock tree synthesis, Parallel, Self-tuning, Spectral clustering, TSV",

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AB - 3D gated clock tree synthesis (CTS) mainly consists of three steps: 1) abstract clock topology generation; 2) layer embedding for minimal TSV allocation and 3) clock tree routing with gate and buffer insertion. In this paper, a self-tuning spectral clustering based nearest-neighbor selection (SSC-NNS) algorithm with parallel structure is proposed to achieve high time efficiency in clock tree topology generation, with reduced runtime. In addition, a postorder traversal based layer embedding (PTLE) strategy is adopted for determining the embedding layer of internal nodes with minimal TSVges. Experimental results show that the proposed method achieves 32% and 82% runtime reduction on ISPD2009 and IBM benchmarks respectively compared with the state-of-the-art 3D work. Besides, the TSV count is also reduced by 46% on ISPD2009 benchmarks.

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Time-efficient and TSV-aware 3D gated clock tree synthesis based on self-tuning spectral clustering

Abstract

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Keywords

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