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Virtualization has been widely used as a key technology in cloud computing. Although facilitating the deployment of applications, virtualization introduces huge processing overheads, among which is network I/O virtualization that has become a critical bottleneck of a virtual system. DPDK-vhost is currently the fastest para-virtualized network I/O backend, however it performs poorly when exchanging...
The powerful parallel computing capability of modern GPU (Graphics Processing Unit) processors has attracted increasing attentions of researchers and engineers who had conducted a large number of GPU-based acceleration research projects. However, current single GPU based solutions are still incapable of fulfilling the real-time computational requirements from the latest big data applications. Thus,...
In the real-world, people would acquire or accept the same item, which can be a product, a service, or an event, multiple times. Meanwhile, an individual in a social network may influence others again and again. To address this phenomenon, we propose MIMA, a novel influence propagation model that describes the Multiple Influences and Multiple Acceptances of an individual on some item in a social network...
Owing to the problem that particle swarm optimization algorithm is easily falling into local optima point in optimization of high-dimensional and complex functions. In this paper, a novel two sub-swarms exchange particle swarm optimization based on multi-phases(TSEM-PSO) is proposed. The particle swarm is divided into two identical sub-swarms, with the first adopting the standard PSO model, and the...
A new analytical model with a high accuracy and low computational cost for Switched Reluctance Motor (SRM) is presented in this paper, based on which an improved cross-coupled method of Synchronization control for dual-SRM is developed. In order to minimize the large computational cost in the existed torque computation methods, this paper establishes a fast torque computation model. It is applied...
During the process of pluralistic fertilization model construction, the unreasonable ratio of nitrogen, phosphorus and kalium easily results in the deviation of fertilizing model. This paper has proposed an adaptive algorithm of fertilization model fitting based mixed intelligent computing of GP/GA, and solved the issue of structure and parameters optimization of adaptive fertilization model. This...
In the paper, it refers to the concepts of ontology, OWL and context, different context information is defined by the tuple method, and establishes the model of context-awareness based on ontology in Smart-Home, and then it introduces the model of reasoning and memory in detail; and studies the affections of ontology on the two models. At last, the paper explains the application of model by using...
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