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Scalable parallel debugging with statistical assertions

Published:25 February 2012Publication History
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Abstract

Traditional debuggers are of limited value for modern scientific codes that manipulate large complex data structures. This paper discusses a novel debug-time assertion, called a "Statistical Assertion", that allows a user to reason about large data structures, and the primitives are parallelised to provide an efficient solution. We present the design and implementation of statistical assertions, and illustrate the debugging technique with a molecular dynamics simulation. We evaluate the performance of the tool on a 12,000 cores Cray XE6.

References

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      • Published in

        cover image ACM SIGPLAN Notices
        ACM SIGPLAN Notices  Volume 47, Issue 8
        PPOPP '12
        August 2012
        334 pages
        ISSN:0362-1340
        EISSN:1558-1160
        DOI:10.1145/2370036
        Issue’s Table of Contents
        • cover image ACM Conferences
          PPoPP '12: Proceedings of the 17th ACM SIGPLAN symposium on Principles and Practice of Parallel Programming
          February 2012
          352 pages
          ISBN:9781450311601
          DOI:10.1145/2145816

        Copyright © 2012 Authors

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        Association for Computing Machinery

        New York, NY, United States

        Publication History

        • Published: 25 February 2012

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