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author:

Zhu, Ziran (Zhu, Ziran.) [1] | Mei, Yangjie (Mei, Yangjie.) [2] | Li, Zijun (Li, Zijun.) [3] | Lin, Jingwen (Lin, Jingwen.) [4] | Chen, Jianli (Chen, Jianli.) [5] | Yang, Jun (Yang, Jun.) [6] | Chang, Yao-Wen (Chang, Yao-Wen.) [7]

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EI

Abstract:

With the increasing complexity of the field-programmable gate array (FPGA) architecture, heterogeneity and clock constraints have greatly challenged FPGA placement. In this paper, we present a high-performance placement algorithm for large-scale heterogeneous FPGAs with clock constraints. We first propose a connectivity-aware and type-balanced clustering method to construct the hierarchy and improve the scalability. In each hierarchy level, we develop a novel hybrid penalty and augmented Lagrangian method to formulate the heterogeneous and clock-aware placement as a sequence of unconstrained optimization subproblems and adopt the Adam method to solve each unconstrained optimization subproblem. Then, we present a matching-based IP blocks legalization to legalize the RAMs and DSPs, and a multi-stage packing technique is proposed to cluster FFs and LUTs into HCLBs. Finally, history-based legalization is developed to legalize CLBs in an FPGA. Based on the ISPD 2017 clock-aware FPGA placement contest benchmarks, experimental results show that our algorithm achieves the smallest routed wirelength for all the benchmarks among all published works in a reasonable runtime. © 2022 ACM.

Keyword:

Authentication Clocks Constrained optimization Field programmable gate arrays (FPGA) Lagrange multipliers

Community:

  • [ 1 ] [Zhu, Ziran]National Asic System Engineering Center, Southeast University, Nanjing; 210096, China
  • [ 2 ] [Mei, Yangjie]National Asic System Engineering Center, Southeast University, Nanjing; 210096, China
  • [ 3 ] [Li, Zijun]School of Mathematics and Statistics, Fuzhou University, Fuzhou; 350108, China
  • [ 4 ] [Lin, Jingwen]School of Mathematics and Statistics, Fuzhou University, Fuzhou; 350108, China
  • [ 5 ] [Chen, Jianli]State Key Lab of Asic and System, Fudan University, Shanghai; 200433, China
  • [ 6 ] [Yang, Jun]National Asic System Engineering Center, Southeast University, Nanjing; 210096, China
  • [ 7 ] [Chang, Yao-Wen]Graduate Institute of Electronics Engineering, National Taiwan University, Taipei; 10617, Taiwan
  • [ 8 ] [Chang, Yao-Wen]Department of Electrical Engineering, National Taiwan University, Taipei; 10617, Taiwan

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ISSN: 0738-100X

Year: 2022

Page: 643-648

Language: English

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count: 7

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 3

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