The RDT Router Chip: A Versatile Router for Supporting a Distributed Shared Memory

Hiroaki Nishü, Ken Ichiro Anjqt, Tomohiro Kudoh, Hideharu Amano

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

JUMP-1 is currently under development by seven Japanese universities to establish techniques for building an efficient distributed shared memory on a massively parallel processor. It provides a coherent cache with reduced hierarchical bit-map directory scheme to achieve cost effective and high performance management. Messages for coherent cache are transferred through a fat tree on the RDT (Recursive Diagonal Torus) interconnection network. RDT router supports versatile functions including multicast and acknowledge combining for the reduced hierarchical bit-map directory scheme. By using 0.5/jm BiCMOS SOG technology, it can transfer all packets synchronized with a unique CPU clock (50MHz). Long coaxial cables (4m at maximum) are directly driven with the ECL interface of this chip. Using the dual port RAM, packet buffers allow to push and pull a flit of the packet simultaneously.

Original languageEnglish
Pages (from-to)854-861
Number of pages8
JournalIEICE Transactions on Information and Systems
VolumeE80-D
Issue number9
Publication statusPublished - 1997
Externally publishedYes

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Routers
Data storage equipment
Emitter coupled logic circuits
BiCMOS technology
Coaxial cables
Random access storage
Oils and fats
Program processors
Clocks
Costs

Keywords

  • Cache coherent distributed shared memory
  • Interconnection network
  • Router

ASJC Scopus subject areas

  • Information Systems
  • Computer Graphics and Computer-Aided Design
  • Software

Cite this

The RDT Router Chip : A Versatile Router for Supporting a Distributed Shared Memory. / Nishü, Hiroaki; Anjqt, Ken Ichiro; Kudoh, Tomohiro; Amano, Hideharu.

In: IEICE Transactions on Information and Systems, Vol. E80-D, No. 9, 1997, p. 854-861.

Research output: Contribution to journalArticle

Nishü, Hiroaki ; Anjqt, Ken Ichiro ; Kudoh, Tomohiro ; Amano, Hideharu. / The RDT Router Chip : A Versatile Router for Supporting a Distributed Shared Memory. In: IEICE Transactions on Information and Systems. 1997 ; Vol. E80-D, No. 9. pp. 854-861.
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