VTR 8: High-performance CAD and Customizable FPGA Architecture Modelling
Developing Field-programmable Gate Array (FPGA) architectures is challenging due to the competing requirements of various application domains and changing manufacturing process technology. This is compounded by the difficulty of fairly evaluating FPGA architectural choices, which requires sophistica...
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Veröffentlicht in: | ACM transactions on reconfigurable technology and systems 2020-06, Vol.13 (2), p.1-55, Article 9 |
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creator | Murray, Kevin E. Petelin, Oleg Zhong, Sheng Wang, Jia Min Eldafrawy, Mohamed Legault, Jean-Philippe Sha, Eugene Graham, Aaron G. Wu, Jean Walker, Matthew J. P. Zeng, Hanqing Patros, Panagiotis Luu, Jason Kent, Kenneth B. Betz, Vaughn |
description | Developing Field-programmable Gate Array (FPGA) architectures is challenging due to the competing requirements of various application domains and changing manufacturing process technology. This is compounded by the difficulty of fairly evaluating FPGA architectural choices, which requires sophisticated highquality Computer Aided Design (CAD) tools to target each potential architecture. This article describes version 8.0 of the open source Verilog to Routing (VTR) project, which provides such a design flow. VTR 8 expands the scope of FPGA architectures that can be modelled, allowing VTR to target and model many details of both commercial and proposed FPGA architectures. The VTR design flow also serves as a baseline for evaluating new CAD algorithms. It is therefore important, for both CAD algorithm comparisons and the validity of architectural conclusions, that VTR produce high-quality circuit implementations. VTR 8 significantly improves optimization quality (reductions of 15% minimum routable channel width, 41% wirelength, and 12% critical path delay), run-time (5.3x faster) and memory footprint (3.3x lower). Finally, we demonstrate VTR is run-time and memory footprint efficient, while producing circuit implementations of reasonable quality compared to highly-tuned architecture-specific industrial tools-showing that architecture generality, good implementation quality, and run-time efficiency are not mutually exclusive goals. |
doi_str_mv | 10.1145/3388617 |
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VTR 8 expands the scope of FPGA architectures that can be modelled, allowing VTR to target and model many details of both commercial and proposed FPGA architectures. The VTR design flow also serves as a baseline for evaluating new CAD algorithms. It is therefore important, for both CAD algorithm comparisons and the validity of architectural conclusions, that VTR produce high-quality circuit implementations. VTR 8 significantly improves optimization quality (reductions of 15% minimum routable channel width, 41% wirelength, and 12% critical path delay), run-time (5.3x faster) and memory footprint (3.3x lower). 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subjects | Computer Science Computer Science, Hardware & Architecture Science & Technology Technology |
title | VTR 8: High-performance CAD and Customizable FPGA Architecture Modelling |
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