نتایج جستجو برای: hybrid node
تعداد نتایج: 357973 فیلتر نتایج به سال:
Most current and emerging high-performance systems consist of large numbers of processors set within an architecture with ‘fat’ shared memory nodes supporting tens of threads per node. There are good reasons to adopt a hybrid MPI-OpenMP programming model for large-scale applications on such architectures, but this adds complexity to the parallel program and demands scalability at two levels: MP...
In this contribution we derive an expression of the Cramér-Rao bound for hybrid cooperative positioning, where GNSS information is combined with terrestrial range measurements through exchange of peer-to-peer messages. These results provide a theoretical characterization of achievable performance of hybrid positioning schemes, as well as allow to identify critical network configurations and dev...
We consider hybrid optical devices consisting of a waveband (transparent optical) and a wavelength (opaque OEO) switch. Such hybrid devices are suitable for supporting hierarchical optical paths (wavelength and waveband paths). We study the node-level costperformance tradeoffs using both analytical models and simulations. The results demonstrate a significant cost reduction that could be achiev...
background: in this study we evaluated the prognostic impact of metastatic lymph node ratio (mlr) in patients with gastric cancer undergoing curative surgical resection. methods: a total of 121 patients with gastric adenocarcinoma undergoing curative r0 surgical resection in our institutions between 2003 and 2010 were included in this study. mlr was classified into 3 groups as follows: mlr0; 0...
landraces are a valuable source of genetic diversity for varietal improvement. despite, iran is the fifth squash and pumpkin producer, but no available information exists about the diversity of summer squash landraces. in order to evaluation of floral and fruit production characteristics among four iranian summer squash and a check cultivar of f1 hybrid ‘asma’, an experiment was conducted in a ...
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