A fault tolerant gaussian elimination solver for the cell broadband engine
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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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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

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….


Fault tolerant gaussian elimination

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.


Fault tolerance capabilities

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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