stOMP: A Specializing Threads Library for OpenMP: Runtime Compilation and Optimizations for OpenMP - Softcover

Burcea, Mihai

 
9783838303239: stOMP: A Specializing Threads Library for OpenMP: Runtime Compilation and Optimizations for OpenMP
Softcover
ISBN 10: 3838303237 ISBN 13: 9783838303239
Verlag: LAP LAMBERT Academic Publishing, 2009

Inhaltsangabe

While runtime compilation has in practice been largely restricted to programming languages that execute on virtual machines, such as Java and C#, parallel OpenMP programs show many promising traits for efficient and effective runtime optimization. This work introduces stOMP: a specializing thread-library for OpenMP. Using a combined compile-time and run-time system, stOMP specializes OpenMP parallel regions for frequently-seen values and the configuration of the runtime system. We present a detailed description of the system, focusing on the optimizations implemented and techniques to minimize the runtime overhead: a context-based hot-spot detector; a pruning mechanism that eliminates poorly behaved variables as specialization targets; several runtime optimization policies; and several code optimizations and transformations that further allow performance improvement. We evaluate our work on the SPEC OMP benchmark suite, showing a performance increase of up to 7.8%.

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Über die Autorin bzw. den Autor

Mihai Burcea is currently working on his Ph.D. in the field oftransactional memory and thread-level speculation.

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Verlag
LAP LAMBERT Academic Publishing
Erscheinungsdatum
2009
Sprache
Englisch
ISBN 10 
3838303237
ISBN 13 
9783838303239
Einband
Taschenbuch
Anzahl der Seiten
96
Kontakt zum Hersteller
Nicht verfügbar
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