An operand routing network for an SFQ reconfigurable Data-Paths processor

Irina Kataeva; Hiroyuki Akaike; Akira Fujimaki; Nobuyuki Yoshikawa; Naofumi Takagi; Koji Inoue; Hiroaki Honda; Kazuaki Murakami

doi:10.1109/TASC.2009.2018534

An operand routing network for an SFQ reconfigurable Data-Paths processor

Irina Kataeva, Hiroyuki Akaike, Akira Fujimaki, Nobuyuki Yoshikawa, Naofumi Takagi, Koji Inoue, Hiroaki Honda, Kazuaki Murakami

Department of I&E Visionaries

Research output: Contribution to journal › Article › peer-review

18 Citations (Scopus)

Abstract

We report the progress in the development of an Operand Routing Network (ORN) for an SFQ Reconfigurable Data-Paths processor (SFQ-RDP). The SFQ-RDP is implemented as a two-dimensional array of Floating-Point Units (FPU), outputs of which can be connected to the inputs of one or more FPUs in the next row via ORN. We have considered two architectures of the ORN: one is based on NDRO switches and the other-on crossbar switches. The comparison shows that the crossbar-based ORN has better performance due to the regular pipelined structure. We have designed a crossbar switch with a multicasting function and a l-to-2 ORN prototype for 2.5 kA/cm² process. The circuits have been experimentally tested at the frequencies up to 36 GHz.

Original language	English
Article number	5153045
Pages (from-to)	665-669
Number of pages	5
Journal	IEEE Transactions on Applied Superconductivity
Volume	19
Issue number	3
DOIs	https://doi.org/10.1109/TASC.2009.2018534
Publication status	Published - Jun 2009

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Electrical and Electronic Engineering

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10.1109/TASC.2009.2018534

Cite this

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title = "An operand routing network for an SFQ reconfigurable Data-Paths processor",

abstract = "We report the progress in the development of an Operand Routing Network (ORN) for an SFQ Reconfigurable Data-Paths processor (SFQ-RDP). The SFQ-RDP is implemented as a two-dimensional array of Floating-Point Units (FPU), outputs of which can be connected to the inputs of one or more FPUs in the next row via ORN. We have considered two architectures of the ORN: one is based on NDRO switches and the other-on crossbar switches. The comparison shows that the crossbar-based ORN has better performance due to the regular pipelined structure. We have designed a crossbar switch with a multicasting function and a l-to-2 ORN prototype for 2.5 kA/cm2 process. The circuits have been experimentally tested at the frequencies up to 36 GHz.",

author = "Irina Kataeva and Hiroyuki Akaike and Akira Fujimaki and Nobuyuki Yoshikawa and Naofumi Takagi and Koji Inoue and Hiroaki Honda and Kazuaki Murakami",

note = "Funding Information: Manuscript received August 25, 2008. First published ; current version published July 10, 2009. This work was supported by CREST-JST.",

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AU - Kataeva, Irina

AU - Akaike, Hiroyuki

AU - Fujimaki, Akira

AU - Yoshikawa, Nobuyuki

AU - Takagi, Naofumi

AU - Inoue, Koji

AU - Honda, Hiroaki

AU - Murakami, Kazuaki

N1 - Funding Information: Manuscript received August 25, 2008. First published ; current version published July 10, 2009. This work was supported by CREST-JST.

PY - 2009/6

Y1 - 2009/6

N2 - We report the progress in the development of an Operand Routing Network (ORN) for an SFQ Reconfigurable Data-Paths processor (SFQ-RDP). The SFQ-RDP is implemented as a two-dimensional array of Floating-Point Units (FPU), outputs of which can be connected to the inputs of one or more FPUs in the next row via ORN. We have considered two architectures of the ORN: one is based on NDRO switches and the other-on crossbar switches. The comparison shows that the crossbar-based ORN has better performance due to the regular pipelined structure. We have designed a crossbar switch with a multicasting function and a l-to-2 ORN prototype for 2.5 kA/cm2 process. The circuits have been experimentally tested at the frequencies up to 36 GHz.

AB - We report the progress in the development of an Operand Routing Network (ORN) for an SFQ Reconfigurable Data-Paths processor (SFQ-RDP). The SFQ-RDP is implemented as a two-dimensional array of Floating-Point Units (FPU), outputs of which can be connected to the inputs of one or more FPUs in the next row via ORN. We have considered two architectures of the ORN: one is based on NDRO switches and the other-on crossbar switches. The comparison shows that the crossbar-based ORN has better performance due to the regular pipelined structure. We have designed a crossbar switch with a multicasting function and a l-to-2 ORN prototype for 2.5 kA/cm2 process. The circuits have been experimentally tested at the frequencies up to 36 GHz.

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An operand routing network for an SFQ reconfigurable Data-Paths processor

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