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“The Beach Law” does not hold any more - Discrete optimization needs heterogeneous computing

Abstract

Modern PCs are parallel and heterogeneous, with a growing number of cores for task parallelism and ever more powerful data parallel accelerators. The glory days when you could go to the beach for two years, and your sequential optimization program would run twice as fast on a  new PC when you got back, are gone due to technological limits. To utilize the computing power of modern PCs and profit from future hardware  developments you need to rewrite your sequential code and even rethink your optimization methods. I will go through the recent change in processor development and its repercussions. The potential of heterogeneous computing will be illustrated with fresh results from a GPU-based VRP solver developed at SINTEF. Speculative ideas for a self-adaptive, heterogeneous VRP solver will conclude my talk.
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Category

Academic lecture

Language

English

Affiliation

  • SINTEF Digital / Mathematics and Cybernetics

Presented at

Invited talk (seminar)

Place

Aarhus, Denmark

Date

16.03.2011 - 16.03.2011

Organizer

CORAL, Aarhus School of Business and Social Sciences

Year

2011

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