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Sunderland Repository records the research produced by the University of Sunderland including practice-based research and theses.

Comparison of direct and switch-based inter-fpga routing interconnect for multi-fpga systems

Farooq, Umer, Mehrez, Habib and Bhatti, Muhammad Khurram (2017) Comparison of direct and switch-based inter-fpga routing interconnect for multi-fpga systems. In: 2017 International Conference on ReConFigurable Computing and FPGAs (ReConFig), 04-06 Dec 2017, Cancun, Mexico.

Item Type: Conference or Workshop Item (Paper)


Prototyping using multi-FPGA systems offers significant advantages over simulation and emulation based pre-silicon verification techniques in terms of performance and real world testing experience. Inter-FPGA routing interconnect and the quality of associated tool play a very important role in the performance of final prototyped design. In this work, we present a detailed comparison between four inter-FPGA interconnect routing topologies. We present a generic inter-FPA routing tool and for each topology, ten large benchmarks are prototyped on four different FPGA boards. Experimental results show that interconnect topology using a hybrid combination of two and multipoint tracks gives best results for smaller FPGA boards while topology using hybrid combination of switch-based and direct multi point tracks gives best frequency results for large FPGA boards and this frequency gain increases with increase in the number of FPGAs on board. We also perform execution time comparison between four interconnect topologies and the topology using direct two point connections only gives the best overall execution results. This topology, on average, requires 12%, 82%, and 70% less execution time as compared to other interconnect topologies under consideration.

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Uncontrolled Keywords: Routing Field programmable gate arrays Tools Topology Benchmark testing Switches Integrated circuit interconnections
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Depositing User: Umer Farooq


Item ID: 16383
Official URL:

Users with ORCIDS

ORCID for Umer Farooq: ORCID iD

Catalogue record

Date Deposited: 15 Aug 2023 14:54
Last Modified: 15 Aug 2023 14:54


Author: Umer Farooq ORCID iD
Author: Habib Mehrez
Author: Muhammad Khurram Bhatti

University Divisions

Faculty of Technology > School of Engineering


Engineering > Electrical Engineering

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