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Uso de SMPSs en aplicaciones MPI con desbalance de carga

Authors: López Herrero, Víctor;

Uso de SMPSs en aplicaciones MPI con desbalance de carga

Abstract

Castellano: Muchas de las aplicaciones paralelas MPI sufren un problema común, el desbalance de carga entre sus procesos. Al tener cargas de trabajo de diferente magnitud se desperdician los recursos de la máquina. Este proyecto pretende disminuir el desbalance de carga en aplicaciones MPI incluyendo un segundo nivel de paralelismo con SMPSs (SMP superscalar) y precargando la librería de balance de carga DLB, ambos desarrollados en el BSC. El trabajo incluye un análisis de dos aplicaciones que presentan desbalance de carga, se documentan las modificaciones en el código y se presentan los resultados finales.

Country
Spain
Keywords

Balance de carga, Programación paralela, Paraver, Load Balance, Performance analysis, Parallel programming, Supercomputing, OpenMP, SMPSs, Ordinadors paral·lels, Supercomputers, Parallel computers, Aplicaciones HPC, Àrees temàtiques de la UPC::Informàtica::Arquitectura de computadors::Arquitectures paral·leles, HPC Applications, Superordinadors, MPI, Supercomputación, :Informàtica::Arquitectura de computadors::Arquitectures paral·leles [Àrees temàtiques de la UPC], Análisis de rendimiento

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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