Higher Reliable Task Assignment Method for Embedded Multiprocessor

• Project/Area Number: 26330064
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Multi-year Fund
• Section: 一般
• Research Field: Computer system
• Research Institution: Osaka University
• Principal Investigator: TAKEUCHI YOSHINORI 大阪大学, 情報科学研究科, 准教授 (70242245)
• Co-Investigator(Kenkyū-buntansha): 今井 正治 大阪大学, 情報科学研究科, 教授 (50126926) ; 劉 載勲 大阪大学, 情報科学研究科, 助教 (70726976)
• Project Period (FY): 2014-04-01 – 2017-03-31
• Project Status: Completed (Fiscal Year 2016)
• Budget Amount: ¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000); Fiscal Year 2016: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000); Fiscal Year 2015: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000); Fiscal Year 2014: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
• Keywords: マルチプロセッサ・システム / 高信頼性 / スケジューリング / タスク割当

Outline of Final Research Achievements

This research studies reliability of future high performance system by multiprocessor systems. Such a system should be operated under low voltage in order to keep away from high thermal operation and aging degradation of systems. On the other hand, operations under low voltage suffers from voltage source fluctuation by system current. There may occur some errors by voltage drop. This research proposed a reliable mechanism which limits the current changes and does not suffer much performance loss under the constraint of current fluctuation.

Research Products

• [Presentation] Proposal of an Efficient Clock-Gating Mechanism for Multi-Core Processors to reduce Power Supply Noise (2016)
  • Author(s): Jun Kawabe, Yoshinori Takeuchi, Jaehoon Yu, Masaharu Imai
  • Organizer: The 20th Workshop on Synthesis And System Integration of Mixed Information Technologies (SASIMI 2016)
  • Place of Presentation: Kyoto Research Park, Kyoto, Japan
  • Year and Date: 2016-10-24
  • Int'l Joint Research
• [Presentation] 源ノイズ削減のためのマルチコアプロセッサ向けクロックゲーティング機構の提案 (2016)
  • Author(s): 川部 純, 武内 良典, 劉 載勲, 今井 正治
  • Organizer: DAシンポジウム2016
  • Place of Presentation: 山代温泉 ゆのくに天祥
  • Year and Date: 2016-09-14
• [Presentation] Higher reliable multiprocesosr system for embedded systems considering power source fluctuation (2015)
  • Author(s): Yoshinori Takeuchi
  • Organizer: 15th International Forum on MPSoC for Software-defined Hardware 2015 (MPSoC 2015)
  • Place of Presentation: Ventura Beach Marriott (Ventura, CA, USA)
  • Year and Date: 2015-07-13
  • Int'l Joint Research / Invited
• [Remarks] 集積システム設計学講座ホームページ
  • URL: http://www-ise1.ist.osaka-u.ac.jp/lab/