2009, English, Article edition: Performance Analysis of Work Stealing for Streaming Systems and Optimizations Anselmi, Jonatha; Gaujal, Bruno

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Bookmark: http://trove.nla.gov.au/version/212564
Physical Description
  • text
Published
  • HAL - CCSD
  • 2009
Language
  • English

Edition details

Title
  • Performance Analysis of Work Stealing for Streaming Systems and Optimizations
Author
  • Anselmi, Jonatha
  • Gaujal, Bruno
Published
  • HAL - CCSD
  • 2009
Physical Description
  • text
Subjects
Notes
  • This paper studies the performance of parallel stream computations on a multiprocessor architecture using a work-stealing strategy. Incoming tasks are split in a number of jobs allocated to the processors and whenever a processor becomes idle, it steals a fraction (typically half) of the jobs from a busy processor. We propose a new model for the performance analysis of such parallel stream computations. This model takes into account both the algorithmic behavior of work-stealing as well as the hardware constraints of the architecture (synchronizations and bus contentions). Then, we show that this model can be solved using a recursive formula. We further show that this recursive analytical approach is more efficient than the classic global balance technique. However, our method remains computationally impractical when tasks split in many jobs or when many processors are considered. Therefore, bounds are proposed to efficiently solve very large models in an approximate manner. Experimental results show that these bounds are tight and robust so that they immediately find applications in optimization studies. An example is provided for the optimization of energy consumption with performance constraints. In addition, our framework is flexible and we show how it adapts to deal with several stealing strategies.
  • HAL:inria-00404223, version 1
  • HAL:http:/​/​hal.inria.fr/​inria-00404223/​en/​
Language
  • English
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