Estudo exploratório sobre fontes de os jitter no kernel linux

AUTOR(ES)
FONTE

IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia

DATA DE PUBLICAÇÃO

19/06/2012

RESUMO

The OS Jitter phenomenon has been considered an important factor in high-performance distributed computing. In this thesis, we present the results of an experimental study that quantifies the effects of different sources of OS Jitter in the Linux operating system. We use the DOE method to conduct controlled experiments statistically planned. Differently than previous studies, we found that the processor topology, especially regarding the shared processor cache, has the most significant influence in terms of OS Jitter. Also, we found that in order to reduce the impact of OS Jitter on a given application, the number of computational phases in the algorithm is significantly more important than the number of distributed processes or compute nodes.

ASSUNTO(S)

computação de alto desempenho arquitetura de sistemas operacionais os jitter ciencia da computacao computação de alto desempenho os jitter architecture of system operation high performance computing

ACESSO AO ARTIGO

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