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Hotspots Reduction for GALS NoC Using a Low-Latency Multistage Packet Reordering Approach

Traffic splitting enabled by Globally Asynchronous Locally Synchronous (GALS) Network-on-chip (NoC) brings multipath routing capability, which significantly increases link bandwidth at the cost of out-of-order packet delivery. Solving the packet reordering problem is one of the keys to ensure the qu...

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Detalles Bibliográficos
Autores principales: Li, Zhenmin, Shen, Ruimin, Yi, Maoxiang, Song, Yukun, Wang, Xiaolei, Du, Gaoming, Huang, Zhengfeng
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2023
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9967750/
https://www.ncbi.nlm.nih.gov/pubmed/36838144
http://dx.doi.org/10.3390/mi14020444
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author Li, Zhenmin
Shen, Ruimin
Yi, Maoxiang
Song, Yukun
Wang, Xiaolei
Du, Gaoming
Huang, Zhengfeng
author_facet Li, Zhenmin
Shen, Ruimin
Yi, Maoxiang
Song, Yukun
Wang, Xiaolei
Du, Gaoming
Huang, Zhengfeng
author_sort Li, Zhenmin
collection PubMed
description Traffic splitting enabled by Globally Asynchronous Locally Synchronous (GALS) Network-on-chip (NoC) brings multipath routing capability, which significantly increases link bandwidth at the cost of out-of-order packet delivery. Solving the packet reordering problem is one of the keys to ensure the quality of service (QoS) for NoC. However, traditional packet reordering approaches rely on local reorder buffer, causing on-chip hotspots, which aggravates chip aging and even leads to interconnection failures. In this paper, we present a multistage packet reordering (MPR) approach, which cannot only reduce the transmission latency but also effectively reduces hotspots caused by local reordering. Specifically, we propose multistage reordering buffer (MRB) by reusing channel buffers for implementing MPR. Experimental results show that our proposed approach achieved improved thermal efficiency with reduced hardware resource consumption.
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spelling pubmed-99677502023-02-27 Hotspots Reduction for GALS NoC Using a Low-Latency Multistage Packet Reordering Approach Li, Zhenmin Shen, Ruimin Yi, Maoxiang Song, Yukun Wang, Xiaolei Du, Gaoming Huang, Zhengfeng Micromachines (Basel) Article Traffic splitting enabled by Globally Asynchronous Locally Synchronous (GALS) Network-on-chip (NoC) brings multipath routing capability, which significantly increases link bandwidth at the cost of out-of-order packet delivery. Solving the packet reordering problem is one of the keys to ensure the quality of service (QoS) for NoC. However, traditional packet reordering approaches rely on local reorder buffer, causing on-chip hotspots, which aggravates chip aging and even leads to interconnection failures. In this paper, we present a multistage packet reordering (MPR) approach, which cannot only reduce the transmission latency but also effectively reduces hotspots caused by local reordering. Specifically, we propose multistage reordering buffer (MRB) by reusing channel buffers for implementing MPR. Experimental results show that our proposed approach achieved improved thermal efficiency with reduced hardware resource consumption. MDPI 2023-02-14 /pmc/articles/PMC9967750/ /pubmed/36838144 http://dx.doi.org/10.3390/mi14020444 Text en © 2023 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Li, Zhenmin
Shen, Ruimin
Yi, Maoxiang
Song, Yukun
Wang, Xiaolei
Du, Gaoming
Huang, Zhengfeng
Hotspots Reduction for GALS NoC Using a Low-Latency Multistage Packet Reordering Approach
title Hotspots Reduction for GALS NoC Using a Low-Latency Multistage Packet Reordering Approach
title_full Hotspots Reduction for GALS NoC Using a Low-Latency Multistage Packet Reordering Approach
title_fullStr Hotspots Reduction for GALS NoC Using a Low-Latency Multistage Packet Reordering Approach
title_full_unstemmed Hotspots Reduction for GALS NoC Using a Low-Latency Multistage Packet Reordering Approach
title_short Hotspots Reduction for GALS NoC Using a Low-Latency Multistage Packet Reordering Approach
title_sort hotspots reduction for gals noc using a low-latency multistage packet reordering approach
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9967750/
https://www.ncbi.nlm.nih.gov/pubmed/36838144
http://dx.doi.org/10.3390/mi14020444
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