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37  Articles
1 of 5 pages  |  10  records  |  more records»
Nas últimas décadas, a indústria de óleo e gás tem empregado cada vez mais recursos para reduzir os custos computacionais em simulações numéricas de escoamentos em reservatórios. O estudo de casos realísticos leva, em geral, à solução de sistemas de equaç... see more

Este trabalho visa, principalmente, à simulação numérica de escoamentos monofásicos de óleo em reservatórios de petróleo do tipo anticlinal. Portanto, uma técnica específica para a representação de células inativas foi desenvolvida. Além disso, a fim de m... see more

O Problema do Roteamento de Veículos (PRV) é um problema combinatório de difícil solução, aplicável tanto para logística de empresas de transporte quanto para melhor ocupação das vias públicas. Resolvê-lo testando todas as combinações possíveis (método de... see more

???????????? ?????????? ???????????? ???????????? ?????????????????? ?????????-??????????????? ????????, ????????????? ? ?????????????? ?????????? ????????????? ???????????????? MPI ? OpenMP ? ??????????? ????????? ??????? ????? ? ?????? ???? ???????, ???... see more

This paper presents a simple method to reduce performance loss due to a parallel program's massive critical sections of parallel numerical integration. The method transforms a fine-grain parallel loop into a coarse grain parallel loop that nests a sequent... see more

Frequent itemset mining leads to the discovery of associations and correlations among items in large transactional databases. Apriori is a classical frequent itemset mining algorithm, which employs iterative passes over database combining with generation ... see more

ABSTRACTThis article analyzes and implements the Horizontal Diffusion method of the Weather Research and Forecast (WRF) model, using the OpenMP API to exploit the multi-core power of an Intel Xeon computer. The main scope of the study is to assess well es... see more

Processor technology currently tends to increase the number of cores more than increasing the clock speed. This development is very useful and becomes an opportunity to improve the performance of sequential algorithms that are only done by one core. This ... see more

In order to benefit from emerging high-performance computing systems, weather and climate models need to be adapted to run efficiently on different hardware architectures such as accelerators. This is a major challenge for existing community models that r... see more

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