An Out-of-order Vector Processing Mechanism for Multimedia Applications

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概要

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• Nowadays, multimedia applications (MMAs) form an important workload for general purpose processors. The vector processing is considered as the most potential approach for MMAs due to plenty of data level parallelism involved in them. However, the tradition vector architectures obey an in-order issue policy (IIP). The IIP issue policy blocks the following instructions to be issued, no matter whether they are ready to be issued or not. This paper proposes a media-oriented vector architectural extension with an out-of-order vector processing mechanism (OVPM). The OVPM overcomes the inefficiency on utilization of the memory bandwidth and vector functional units. As a result, the proposed architecture achieves a higher performance with lower hardware cost than the traditional one. This paper evaluates the proposed architecture with architectural design parameters and finds out the most efficient size for the vector architecture when performing MMAs.

• 2010-07-27

著者

• Ye Gao

  Graduate School Of Information Sciences Tohoku University

• Ryusuke Egawa

  Cyberscience Center Tohoku University|jst Crest

• Hiroyuki Takizawa

  Graduate School of Information Sciences, Tohoku University|JST CREST

• Hiroaki Kobayashi

  Cyberscience Center, Tohoku University|JST CREST

• Hiroyuki Takizawa

  Graduate School Of Information Science Tohoku University

• Hiroaki Kobayashi

  Cyberscience Center Tohoku University

• Kobayashi Hiroaki

  Tohoku Univ.

• Hiroaki Kobayashi

  Cyberscience Center, Tohoku University

関連論文

• An Out-of-order Vector Processing Mechanism for Multimedia Applications
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