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Programmability and Performance Portability Aspects of Heterogeneous Multi-/Manycore Systems
Linköping University, Department of Computer and Information Science, Software and Systems. Linköping University, The Institute of Technology. (PELAB)ORCID iD: 0000-0001-5241-0026
Linköping University, Department of Computer and Information Science, Software and Systems. Linköping University, The Institute of Technology. (PELAB)
INRIA / University of Bordeaux, France. (Runtime group)
INRIA / University of Bordeaux, France. (Runtime group)
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2012 (English)Conference paper, Published paper (Refereed)
Abstract [en]

We discuss three complementary approaches that can provide both portability and an increased level of abstraction for the programming of heterogeneous multicore systems. Together, these approaches also support performance portability, as currently investigated in the EU FP7 project PEPPHER. In particular, we consider (1) a library-based approach, here represented by the integration of the SkePU C++ skeleton programming library with the StarPU runtime system for dynamic scheduling and dynamic selection of suitable execution units for parallel tasks; (2) a language-based approach, here represented by the Offload-C++ high-level language extensions and Offload compiler to generate platform-specific code; and (3) a component-based approach, specifically the PEPPHER component system for annotating user-level application components with performance metadata, thereby preparing them for performance-aware composition. We discuss the strengths and weaknesses of these approaches and show how they could complement each other in an integrational programming framework for heterogeneous multicore systems.

Place, publisher, year, edition, pages
IEEE conference proceedings, 2012. p. 1403-1408
Series
Design, Automation, and Test in Europe Conference and Exhibition. Proceedings, ISSN 1530-1591
Keywords [en]
PEPPHER framework, PEPPHER component, SkePU skeleton programming library, StarPU runtime system, heterogeneous multicore system, performance-aware composition, performance portability, Offload-C++, compiler, parallel programming language, hybrid parallel computing, Graphics processing unit, GPU, parallel software components, parallel software composition
National Category
Computer Sciences
Identifiers
URN: urn:nbn:se:liu:diva-91499DOI: 10.1109/DATE.2012.6176582ISBN: 978-1-4577-2145-8 (print)OAI: oai:DiVA.org:liu-91499DiVA, id: diva2:618131
Conference
DATE-2012 conference on Design, Automation and Test in Europe, 12-16 March 2012, Dresden, Germany
Projects
EU FP7 PEPPHER
Funder
EU, FP7, Seventh Framework Programme, 248481Available from: 2013-04-25 Created: 2013-04-25 Last updated: 2018-01-11

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