A Reconfigurable Processor Based on ALU Array Architecture with Limitation on the Interconnection

  • Authors:
  • Makoto Okada;Tatsuo Hiramatsu;Hiroshi Nakajima;Makoto Ozone;Katsunori Hirase;Shinji Kimura

  • Affiliations:
  • SANYO Electric Co., Ltd., Japan;SANYO Electric Co., Ltd., Japan;SANYO Electric Co., Ltd., Japan;SANYO Electric Co., Ltd., Japan;SANYO Electric Co., Ltd., Japan;Waseda University, Japan

  • Venue:
  • IPDPS '05 Proceedings of the 19th IEEE International Parallel and Distributed Processing Symposium (IPDPS'05) - Workshop 3 - Volume 04
  • Year:
  • 2005

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Abstract

Dynamic reconfigurable processor based on ALU array architecture for consumer appliances is described. To implement reconfigurable system on portable or mobile products, we have tried to develop smaller and powerful reconfigurable processor. We have proposed the ALU array architecture with the limitation on the interconnection for area reduction. By the proposed architecture, we could reduce gate size by 63% on interconnections. Also, we have shown that the performance of proposed architecture is almost the same as one without limitations. The proposed processor is a parallel processing processor that consists of a sequencer and an ALU array, adopted multi threading technology. We have developed compilation tools from source codes written in C language for the proposed processor. We demonstrate the software model of the processor using MPEG-4 video decoding application.