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Design and Implemen...
Design and Implementation of Multi-mode Routers for Large-scale Inter-core Networks
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- Ma, Ning (författare)
- KTH,Industriell och Medicinsk Elektronik
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- Zou, Zhuo (författare)
- KTH,Industriell och Medicinsk Elektronik
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- Lu, Zhonghai (författare)
- KTH,Elektronik och Inbyggda System
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- Zheng, Lirong (författare)
- KTH,Industriell och Medicinsk Elektronik
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(creator_code:org_t)
- Elsevier, 2016
- 2016
- Engelska.
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Ingår i: Integration. - : Elsevier. - 0167-9260 .- 1872-7522. ; 53, s. 1-13
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
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- Constructing on-chip or inter-silicon (inter-die/inter-chip) networks to connect multiple processors extends the system capability and scalability. It is a key issue to implement a flexible router that can fit into various application scenarios. This paper proposes a multi-mode adaptable router that can support both circuit and wormhole switching with supplying flexible working strategies for specific traffic patterns in diverse applications. The limitation of mono-mode switched routers is shown at first, followed by algorithm exploration in the proposed router for choosing the proper working strategy in a specific network. We then present the performance improvement when applying the mixed circuit/wormhole switching mode to different applications, and analyze the image decoding as a case study. The multi-mode router has been implemented with different configurations in a 65 nm CMOS technology. The one with 8-bit flit width is demonstrated together with a multi-core processor to show the feasibility. Working at 350 MHz, the average power consumption of the whole system is 22 mW.
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