Nanos compiler: supporting flexible multilevel parallelism exploitation in OpenMP

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dc.contributor	Universitat Politècnica de Catalunya. Departament d'Arquitectura de Computadors
dc.contributor	Universitat Politècnica de Catalunya. CAP - Grup de Computació d'Altes Prestacions
dc.contributor.author	González Tallada, Marc
dc.contributor.author	Ayguadé Parra, Eduard
dc.contributor.author	Martorell Bofill, Xavier
dc.contributor.author	Labarta Mancho, Jesús José
dc.contributor.author	Navarro, Nacho
dc.contributor.author	Oliver, J.
dc.date	2000-10
dc.identifier.citation	Gonzalez, M., Ayguade, E., Martorell, X., Labarta, J., Navarro, J., Oliver, J. Nanos compiler: supporting flexible multilevel parallelism exploitation in OpenMP. "Concurrency. Practice and experience", Octubre 2000, vol. 12, núm. 12, p. 1205-1218.
dc.identifier.citation	1040-3108
dc.identifier.citation	10.1002/1096-9128(200010)12:12<1205::AID-CPE524>3.0.CO;2-2
dc.identifier.uri	http://hdl.handle.net/2117/78907
dc.language.iso	eng
dc.relation	http://onlinelibrary.wiley.com/doi/10.1002/1096-9128%28200010%2912:12%3C1205::AID-CPE524%3E3.0.CO;2-2/abstract
dc.rights	info:eu-repo/semantics/openAccess
dc.rights	http://creativecommons.org/licenses/by-nc-nd/3.0/es/
dc.subject	Àrees temàtiques de la UPC::Informàtica::Llenguatges de programació
dc.subject	Àrees temàtiques de la UPC::Informàtica::Arquitectura de computadors::Arquitectures paral·leles
dc.subject	OpenMP
dc.subject	Parallel programming (Computer science)
dc.subject	OpenMP
dc.subject	Nested parallelism
dc.subject	NVMA architectures
dc.subject	Precedence relations
dc.subject	OpenMP
dc.subject	Programació en paral·lel (Informàtica)
dc.title	Nanos compiler: supporting flexible multilevel parallelism exploitation in OpenMP
dc.type	info:eu-repo/semantics/publishedVersion
dc.type	info:eu-repo/semantics/article
dc.description.abstract	This paper describes the support provided by the NanosCompiler to nested parallelism in OpenMP. The NanosCompiler is a source-to-source parallelizing compiler implemented around a hierarchical internal program representation that captures the parallelism expressed by the user (through OpenMP directives and extensions) and the parallelism automatically discovered by the compiler through a detailed analysis of data and control dependences. The compiler is finally responsible for encapsulating work into threads, establishing their execution precedences and selecting the mechanisms to execute them in parallel. The NanosCompiler enables the experimentation with different work allocation strategies for nested parallel constructs. Some OpenMP extensions are proposed to allow the specification of thread groups and precedence relations among them.
dc.description.abstract	Peer Reviewed

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