Exploiting dynamic reconfiguration techniques: the 2D-VLIW approach

  • Authors:
  • Ricardo Santos;Rodolfo Azevedo;Guido Araujo

  • Affiliations:
  • State University of Campinas, Institute of Computing, Campinas, SP, Brazil and Dom Bosco Catholic University, Dept. of Computer Engineering, Campo Grande, MS, Brazil;State University of Campinas, Institute of Computing, Campinas, SP, Brazil;State University of Campinas, Institute of Computing, Campinas, SP, Brazil

  • Venue:
  • IPDPS'06 Proceedings of the 20th international conference on Parallel and distributed processing
  • Year:
  • 2006

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Abstract

Fast reconfiguration is a mandatory feature for reconfigurable computing architectures. Research in this area has been increasingly focusing on new reconfiguration techniques that can sustain the architecture performance and to allow the simultaneous execution, at the same stage, of configuration and computation tasks. In this context, this paper presents a new dynamic reconfiguration technique, based on a configuration cache, that tackles this challenge by configuring and executing operations on functional units during the execution stage. This approach is implemented in a pipelined reconfigurable multiple-issue architecture called 2D-VLIW. Our dynamic reconfiguration technique takes advantage of the 2D-VLIW pipelined execution by starting reconfiguration concurrently to activities like reading operand registers and executing operations.