Exploring the optimal size for multicasting configuration data of dynamically Reconfigurable processors

T. Nakamura, T. Sano, Y. Hasegawa, S. Tsutsumi, V. Tunbunheng, H. Amano

研究成果: Conference contribution

3 被引用数 (Scopus)

抄録

The configuration data transfer time of a dynamically re-configurable processor often bottlenecks the hardware context switching time and degrades its computation performance. In order to reduce data transferring time from a central memory to hardware context memory modules in all Processing Elements (PEs) and Switching Elements (SEs), a multicasting mechanism called RoMultiC (Row-Muticast Configuration) was proposed. However, the original RoMultiC used the whole PE or SE as a unit of multicast, the reduction of transfers is limited. Here, the trade-off between the granularity of multicast and hardware increase are evaluated, and the best way to make the multicast bit-map is explored. Evaluation results show that time for transfer is reduced up to 42% compared with the original RoMultiC with only 2% hardware overhead.

本文言語English
ホスト出版物のタイトルProceedings of the 2008 International Conference on Field-Programmable Technology, ICFPT 2008
ページ137-144
ページ数8
DOI
出版ステータスPublished - 2008 12月 1
イベント2008 International Conference on Field-Programmable Technology, ICFPT 2008 - Taipei, Taiwan, Province of China
継続期間: 2008 12月 72008 12月 10

出版物シリーズ

名前Proceedings of the 2008 International Conference on Field-Programmable Technology, ICFPT 2008

Other

Other2008 International Conference on Field-Programmable Technology, ICFPT 2008
国/地域Taiwan, Province of China
CityTaipei
Period08/12/708/12/10

ASJC Scopus subject areas

  • コンピュータ サイエンスの応用
  • ハードウェアとアーキテクチャ

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