نتایج جستجو برای: speed gap

تعداد نتایج: 343066  

Journal: :PVLDB 2015
Wolf Rödiger Tobias Mühlbauer Alfons Kemper Thomas Neumann

Modern database clusters entail two levels of networks: connecting CPUs and NUMA regions inside a single server in the small and multiple servers in the large. The huge performance gap between these two types of networks used to slow down distributed query processing to such an extent that a cluster of machines actually performed worse than a single many-core server. The increased main-memory c...

Journal: :Bulletin of mathematical biology 2010
Paul E Hand Charles S Peskin

We derive a homogenized description of the electrical communication along a single strand of myocytes in the presence of gap-junctional and electric-field coupling. In the model, cells are electrically coupled through narrow clefts that are resistively connected to extracellular space. Cells are also coupled directly through gap junctions. We perform numerical simulations of this full model and...

Journal: :The Review of scientific instruments 2016
Xiao-Guang Zhang You-Qi Nie Hongyi Zhou Hao Liang Xiongfeng Ma Jun Zhang Jian-Wei Pan

We present a real-time and fully integrated quantum random number generator (QRNG) by measuring laser phase fluctuations. The QRNG scheme based on laser phase fluctuations is featured for its capability of generating ultra-high-speed random numbers. However, the speed bottleneck of a practical QRNG lies on the limited speed of randomness extraction. To close the gap between the fast randomness ...

Journal: :Materials research proceedings 2023

Abstract. Accurate simulation of flow field characteristics within the gap between slipper and track is essential for prevention aerodynamic heat damage to high-speed rocket sleds. A three-dimensional structured mesh was utilized establish model in slipper-track gap, while computational fluid dynamics employed simulating movement. The results revealed that bow shock wave at head sled has a sign...

2007
Xingquan Zhu Xindong Wu

The recurring appearance of sequential patterns, when confined by the predefined gap requirements, often implies strong temporal correlations or trends among pattern elements. In this paper, we study the problem of mining a set of gap constrained sequential patterns across multiple sequences. Given a set of sequences S1, S2,., SK constituting a single hypersequence S, we aim to find recurring p...

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