Multi-objective optimisation algorithm for routability and timing driven circuit clustering on FPGAs

Circuit clustering algorithms fit synthesised circuits into field programmable gate array (FPGA) configurable logic blocks (CLBs) efficiently. This fundamental process in FPGA CAD flow directly impacts both effort required and performance achievable in subsequent place-and-route processes. Circuit c...

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Vydáno v:Chronic diseases and translational medicine Ročník 13; číslo 4; s. 273 - 281
Hlavní autoři: Wang, Yuan, Trefzer, Martin A, Bale, Simon J, Walker, James A, Tyrrell, Andy M
Médium: Journal Article
Jazyk:angličtina
Vydáno: Beijing The Institution of Engineering and Technology 01.07.2019
John Wiley & Sons, Inc
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ISSN:1751-8601, 1751-861X, 2095-882X, 1751-861X, 2589-0514
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Abstract Circuit clustering algorithms fit synthesised circuits into field programmable gate array (FPGA) configurable logic blocks (CLBs) efficiently. This fundamental process in FPGA CAD flow directly impacts both effort required and performance achievable in subsequent place-and-route processes. Circuit clustering is limited by hardware constraints of specific target architectures. Hence, better circuit clustering approaches are essential for improving device utilisation whilst at the same time optimising circuit performance parameters such as, e.g. power and delay. In this study, the authors present a method based on multi-objective genetic algorithm (MOGA) to facilitate circuit clustering. They address a number of challenges including CLB input bandwidth constraints, improvement of CLB utilisation, minimisation of interconnects between CLBs. The authors’ new approach has been validated using the ‘Golden 20’ MCNC benchmark circuits that are regularly used in FPGA-related literature. The results show that the method proposed in this study achieves improvements of up to 50% in clustering, routability and timing when compared to state-of-the-art approaches including VPack, T-VPack, RPack, DPack, HDPack, MOPack and iRAC. The key contribution of this work is a flexible EDA flow that can incorporate numerous objectives required to successfully tackle real-world circuit design on FPGA, providing device utilisation at increased design performance.
AbstractList Circuit clustering algorithms fit synthesised circuits into field programmable gate array (FPGA) configurable logic blocks (CLBs) efficiently. This fundamental process in FPGA CAD flow directly impacts both effort required and performance achievable in subsequent place‐and‐route processes. Circuit clustering is limited by hardware constraints of specific target architectures. Hence, better circuit clustering approaches are essential for improving device utilisation whilst at the same time optimising circuit performance parameters such as, e.g. power and delay. In this study, the authors present a method based on multi‐objective genetic algorithm (MOGA) to facilitate circuit clustering. They address a number of challenges including CLB input bandwidth constraints, improvement of CLB utilisation, minimisation of interconnects between CLBs. The authors’ new approach has been validated using the ‘Golden 20’ MCNC benchmark circuits that are regularly used in FPGA‐related literature. The results show that the method proposed in this study achieves improvements of up to 50% in clustering, routability and timing when compared to state‐of‐the‐art approaches including VPack, T‐VPack, RPack, DPack, HDPack, MOPack and iRAC. The key contribution of this work is a flexible EDA flow that can incorporate numerous objectives required to successfully tackle real‐world circuit design on FPGA, providing device utilisation at increased design performance.
Author Walker, James A
Trefzer, Martin A
Wang, Yuan
Tyrrell, Andy M
Bale, Simon J
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  organization: 2Department of Electronic Engineering, University of York, York, UK
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Issue 4
Keywords interconnect minimisation
field programmable gate arrays
network routing
FPGA-related literature
genetic algorithms
time optimising circuit performance parameters
configurable logic blocks
Golden 20 MCNC benchmark circuits
field programmable gate array
real-world circuit design
CLB utilisation
integrated circuit design
flexible EDA flow
timing driven circuit clustering
multiobjective optimisation algorithm
CLB input bandwidth constraints
electronic design automation
FPGA CAD flow
place-and-route process
multiobjective genetic algorithm
logic design
timing circuits
Language English
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Snippet Circuit clustering algorithms fit synthesised circuits into field programmable gate array (FPGA) configurable logic blocks (CLBs) efficiently. This fundamental...
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StartPage 273
SubjectTerms Algorithms
Bandwidths
Circuits
CLB input bandwidth constraints
CLB utilisation
configurable logic blocks
Critical path
electronic design automation
field programmable gate array
Field programmable gate arrays
Flexibility
flexible EDA flow
FPGA CAD flow
FPGA‐related literature
genetic algorithms
Golden 20 MCNC benchmark circuits
integrated circuit design
interconnect minimisation
logic design
Methods
multiobjective genetic algorithm
multiobjective optimisation algorithm
network routing
place‐and‐route process
real‐world circuit design
Research Article
time optimising circuit performance parameters
timing circuits
timing driven circuit clustering
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Title Multi-objective optimisation algorithm for routability and timing driven circuit clustering on FPGAs
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