GMT: Enabling easy development and efficient execution of irregular applications on commodity clusters

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Title:	GMT: Enabling easy development and efficient execution of irregular applications on commodity clusters
Author:	Morari, Alessandro; Villa, Oreste; Tumeo, Antonino; Chavarria Miranda, Daniel; Valero Cortés, Mateo
Other authors:	Universitat Politècnica de Catalunya. Departament d'Arquitectura de Computadors; Universitat Politècnica de Catalunya. CAP - Grup de Computació d'Altes Prestacions
Abstract:	In this poster we introduce GMT (Global Memory and Threading library), a custom runtime library that enables efficient execution of irregular applications on commodity clusters. GMT only requires a cluster with x86 nodes supporting MPI. GMT integrates the Partititioned Global Address Space (PGAS) locality-aware global data model with a fork/join control model common in single node multithreaded environments. GMT supports lightweight software multithreading to tolerate latencies for accessing data on remote nodes, and is built around data aggregation to maximize network bandwidth utilization.
Abstract:	Peer Reviewed
Subject(s):	-Àrees temàtiques de la UPC::Informàtica::Arquitectura de computadors -Data structures (Computer science) -Software architecture -Estructures de dades (Informàtica) -Programari -- Disseny
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Document type:	Article - Submitted version Conference Object
Published by:	Association for Computing Machinery (ACM)
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