PROTON+

Author:

Beuningen Anja Von1,Ramini Luca2,Bertozzi Davide2,Schlichtmann Ulf1

Affiliation:

1. Technische Universität München, München, Germany

2. University of Ferrara, Ferrara, Italy

Abstract

Optical Networks-on-Chip (ONoCs) are a promising technology to overcome the bottleneck of low bandwidth of electronic Networks-on-Chip. Recent research discusses power and performance benefits of ONoCs based on their system-level design, while layout effects are typically overlooked. As a consequence, laser power requirements are inaccurately computed from the logic scheme but do not consider the layout. In this article, we propose PROTON+, a fast tool for placement and routing of 3D ONoCs minimizing the total laser power. Using our tool, the required laser power of the system can be decreased by up to 94% compared to a state-of-the-art manually designed layout. In addition, with the help of our tool, we study the physical design space of ONoC topologies. For this purpose, topology synthesis methods (e.g., global connectivity and network partitioning) as well as different objective function weights are analyzed in order to minimize the maximum insertion loss and ultimately the system’s laser power consumption. For the first time, we study optimal positions of memory controllers. A comparison of our algorithm to a state-of-the-art placer for electronic circuits shows the need for a different set of tools custom-tailored for the particular requirements of optical interconnects.

Publisher

Association for Computing Machinery (ACM)

Subject

Electrical and Electronic Engineering,Hardware and Architecture,Software

Cited by 16 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. XRing: A Crosstalk-Aware Synthesis Method for Wavelength-Routed Optical Ring Routers;2023 Design, Automation & Test in Europe Conference & Exhibition (DATE);2023-04

2. Accurate Infinite-Order Crosstalk Calculation for Optical Networks-on-Chip;Journal of Lightwave Technology;2023-01-01

3. Optimizing bend loss in optical waveguide channel routing on photonic integrated circuits;Journal of Computational Electronics;2022-12-14

4. Thermal-aware optical-electrical routing codesign for on-chip signal communications;Proceedings of the 59th ACM/IEEE Design Automation Conference;2022-07-10

5. Making path selection faster: a routing algorithm for ONoC;Optics Express;2021-03-17

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