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Front. Inform. Technol. Electron. Eng.  2012, Vol. 13 Issue (12): 891-900    DOI: 10.1631/jzus.C1200135
    
Optimizing checkpoint for scientific simulations
Xi-sheng Xiao, Ying-ping Huang, Xi-hui Zhang
Economics & Management College, Southwest Jiaotong University, Chengdu 610031, China; Industrial and Commercial College, Guizhou University of Finance and Economics, Guiyang 550003, China; College of Business, University of North Alabama, Florence, AL 35632, USA
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Abstract  It is extremely time-consuming to restart a long-running simulation from the beginning when a failure occurs. Checkpointing is a viable solution that enables simulations to be resumed from the point of failure. We study three models to determine the optimal checkpoint interval between contiguous checkpoints so that the total execution time is minimized and we demonstrate that optimal checkpointing can facilitate self-optimizing. This study greatly advances our knowledge of and practice in optimizing long-running scientific simulations.

Key words： Checkpoint      Long-running      Optimizing      Simulation     
Received: 12 May 2012      Published: 09 December 2012
CLC:  O242  
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Xi-sheng Xiao, Ying-ping Huang, Xi-hui Zhang. Optimizing checkpoint for scientific simulations. Front. Inform. Technol. Electron. Eng., 2012, 13(12): 891-900.

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http://www.zjujournals.com/xueshu/fitee/10.1631/jzus.C1200135     OR     http://www.zjujournals.com/xueshu/fitee/Y2012/V13/I12/891


Optimizing checkpoint for scientific simulations

It is extremely time-consuming to restart a long-running simulation from the beginning when a failure occurs. Checkpointing is a viable solution that enables simulations to be resumed from the point of failure. We study three models to determine the optimal checkpoint interval between contiguous checkpoints so that the total execution time is minimized and we demonstrate that optimal checkpointing can facilitate self-optimizing. This study greatly advances our knowledge of and practice in optimizing long-running scientific simulations.

关键词： Checkpoint,  Long-running,  Optimizing,  Simulation 
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