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The lattice Boltzmann method (LBM) is a computational method based on kinetic description of fluid mechanics. The Intel Many Integrated Core (MIC) architecture designed for highly parallel computing has not been fully evaluated for LBM. This paper proposes a hybrid MPI/OpenMP parallel model of LBM based on CPU+MIC heterogeneous architecture, using the two-dimensional partitioning method for data division...
Cloud computing is the next generation of computing paradigm. Along with cloud computing, many related problems come up. And these problems in turn slow the speed of the development of cloud computing down. Among these problems, e.g. interoperability and privacy, identity management and security are strong concerned. Many researchers and enterprises have already done a lot to optimize the identity...
Cloud computing is a promising technology, where the infrastructure, developing platform, software and storage are delivered as a service. With the development of cloud computing, more and more cloud service providers emerge. However, there are no metrics can be referred to compare these providers, so it is difficult for cloud consumers to select the most reliable providers or resources. Thus we present...
The Copenhagen climate conference 2009 has concluded that we have to change the way how we live. Currently, several carbon management systems are being developed to meet enterprises' requirement. In addition, a number of carbon footprint calculation tools have been developed to fulfill carbon calculation needs from industries, households and individuals. However, under the current circumstance, it...
Previous work has shown that processor affinity is one effective way to improve the performance of SMP systems. A detailed analysis of cache characteristics on network processor is carried out. The result shows that network packet processing can also use cache affinity to gain performance improvements by reduce the miss rate of instruction cache and data cache. A schedule algorithm for multi-core...
Risk assessment is one of the most important issues in network security research. Inspired by the principles of artificial immune system, a novel risk assessment approach for network security, referred to as IRAA, is proposed in this paper. After defining the concepts and formal definitions, the architecture and principles of IRAA are described. And then, the lifecycle models of mature and memory...
The paper proposes a converged architecture of home network and IMS based on home IMS gateway, gaping their heterogeneity and implementing convergence on data plane, control plane and management plane. Aiming at issues of interoperation, QoS and mobility, the architecture provides solution schemes, respectively. Through its implementation of modularized hardware and layered software, availability...
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