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    autopin – Automated Optimization of Thread-to-Core Pinning on Multicore Systems

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    Authors
    Klug, Tobias
    Ott, Michael
    Weidendorfer, Josef
    Trinitis, Carsten
    Issue Date
    2011
    
    Metadata
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    Other Titles
    Transactions on High-Performance Embedded Architectures and Compilers III
    Abstract
    In this paper we present a framework for automatic detection and application of the best binding between threads of a running parallel application and processor cores in a shared memory system, by making use of hardware performance counters. This is especially important within the scope of multicore architectures with shared cache levels. We demonstrate that many applications from the SPEC OMP benchmark show quite sensitive runtime behavior depending on the thread/core binding used. In our tests, the proposed framework is able to find the best binding in nearly all cases. The proposed framework is intended to supplement job scheduling systems for better automatic exploitation of systems with multicore processors, as well as making programmers aware of this issue by providing measurement logs.
    Citation
    Klug, T. et al (2011) 'autopin – Automated Optimization of Thread-to-Core Pinning on Multicore Systems' in Senstrom, P. (ed) 'Transactions on High-Performance Embedded Architectures and Compilers III' Springer.
    Publisher
    Springer
    URI
    http://hdl.handle.net/10547/593541
    DOI
    10.1007/978-3-642-19448-1_12
    Additional Links
    http://link.springer.com/chapter/10.1007/978-3-642-19448-1_12
    Type
    Book chapter
    Language
    en
    ISSN
    9783642194481
    ISBN
    9783642194474
    ae974a485f413a2113503eed53cd6c53
    10.1007/978-3-642-19448-1_12
    Scopus Count
    Collections
    Centre for Research in Distributed Technologies (CREDIT)

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