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A Fault Tolerant Gaussian Elimination Solver for the Cell Broadband Engine

A Fault Tolerant Gaussian Elimination Solver for the Cell Broadband Engine. James Geraci Lead Researcher Square Enix Co., Ltd. Research and Development Division. Introduction to Square Enix Group. Square Enix Group is a Japanese entertainment content/service developer and publisher.

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A Fault Tolerant Gaussian Elimination Solver for the Cell Broadband Engine

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  1. A Fault Tolerant Gaussian Elimination Solver for the Cell Broadband Engine James Geraci Lead Researcher Square Enix Co., Ltd. Research and Development Division

  2. Introduction to Square Enix Group • Square Enix Group is a Japanese entertainment content/service developer and publisher. • Best known for following video game franchises. • FINAL FANTASY, DRAGON QUEST (SQUARE ENIX) • Tomb Raider (EIDOS) • Space Invaders (TAITO) • Approximately 3000 employees*1 and ¥135.6 billion*2 ($1.5 billion) in sales. *1 As of March 31, 2009 *2 FY2008 • Develop for Nintendo DS, PSP, Xbox 360, Playstation 3, Wii,PC, iPhone, cell phones, etc….

  3. Fault tolerant Gaussian elimination Fault tolerance idea is to back up on-chip data into main memory at checkpoints. The algorithm’s natural serialization points are used as checkpoints. When a fault occurs, backed up data is used to redistribute workload among remaining cores.

  4. Fault Tolerance Capabilities Fault Tolerance: Core failures lead to redistribution of workload among remaining cores Addition of Cores: Cores are added and rows are dynamically redistributed Fault Tolerance with Replacement: N failed cores are replaced with M new cores

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