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70results about How to "Reduce data communication" patented technology

Nonuniformity-based I/O access system in virtual multicore environment and optimizing method

The invention discloses a nonuniformity-based I / O access system in a virtual multicore environment and an optimizing method and relates to the field of computer virtualization. The system comprises a performance detection module, a thread binding module and a memory migration module, the performance detection module monitors hardware information of a virtual machine and a physical host in real time through a modified performance monitoring tool, the thread binding module judges whether a current system is with low load or high load according to the hardware information collected by the performance detection module and binds virtual machine threads on nodes with high load onto nodes with low load when the current system is with high load, and the memory migration module migrates related threads onto a node closest to a network adapter when the current system is with low load. An affinity optimizing model of I / O performance based on the virtual multicore environment is built, and real-time dynamic optimized placement strategies with high throughput and low delay are provided for the system so as to efficiently utilize multicore resources and performance of the high-performance network adapter, so that load of the system is lowered effectively.
Owner:SHANGHAI JIAO TONG UNIV

Partitioning and parallel distribution processing method of super-large scale RDF graph data

The invention discloses a partitioning and parallel distribution processing method of super-large scale RDF graph data. The method comprises the following steps: preprocessing original RDF graph data, generating a corresponding Hash dictionary file and reshaped three-column list data, and converting the reshaped three-column list data into an associated matrix M; creating a hypergraph model of the associated matrix M, wherein the subject, the predicate and the object of the M in the hypergraph model are hyperedges, and data associated with the hyperedges is hyperedge data; judging whether the RDF graph data is a connected graph or an unconnected graph; if it is the unconnected graph, partitioning the unconnected graph into a plurality of connected graphs; on the basis of the hypergraph model and concurrent breadth traversal, equidistantly placing the hyperedge data on a path, classifying and ranking the hyperedge data, uniformly partitioning the hyperedge data into K portions to be put into K slave nodes; and establishing mapping relationships among the hyperedge data and the slave nodes. The partitioning and parallel distribution processing method of the super-large scale RDF graph data is quick in partitioning speed, high in partitioning quality, balance in data and task loads, high in parallelism of query processing, and fast in query processing speed.
Owner:HUAZHONG UNIV OF SCI & TECH

Automatic gamepad key value configuring system and method

ActiveCN104174163AImprove the efficiency of key-value configurationReduce data communication and transmissionVideo gamesAuto-configurationWeb technology
The invention provides an automatic gamepad key value configuring system and method. The automatic gamepad key value configuring system and method solves the problem that a household game console platform in the prior art depends on manually configuring operation key values on a gamepad, operation is troublesome, time is wasted and game entertainment experience of game players is affected. Besides, by the automatic gamepad key value configuring system, the gamepad and the game console are given with certain temporary storage capacity of handle key value data arrays, so that the key values of the gamepad in the system can be automatically configured and processed by the aid of the gamepad key value data temporarily stored, key value configuration efficiency is improved, unnecessary data communication and transmission is reduced; in association with the optimal automatic key value configuring method, communication processing load of a center server is alleviated, the process of acquiring current key value configuration state information by communication of the game console and the gamepad is optimized, an automatic user-defined configuration function of the key values of the gamepad can be provided for different game players, and the automatic gamepad key value configuring system can be combined with the internet technology to be widely used in the household game console platform.
Owner:重庆惠乾网络科技有限公司

Signal communication system

A signal communication system comprising a number of signal nodes arranged to interact physically with their environment and to convert between physical properties and corresponding signals, a number of client nodes arranged to receive or send the signals to interact with the signal nodes, and a distribution system arranged to switch the signals between the signal nodes and the client nodes. The signal nodes are communicatively coupled to the distribution system via injection transport channels to send and receive injection transport representations of signal representations of the signals; the client nodes are communicatively coupled to the distribution system via distribution transport channels to send and receive distribution transport representations of signal representations of the signals; and the signal nodes are communicatively coupled to the client nodes to transport the signal representations using the injection transport channels, distribution system and distribution transport channels. The distribution system is arranged to switch signal representations between an injection transport channel and one or more distribution transport channels on the basis of a signal injection label and one or more associated signal distribution labels. Thereby is enabled end-to-end encryption between signal nodes and client nodes. A catalog system for facilitating initiation of communication in the signal communication system is also disclosed.
Owner:ISTA INTERNATIONAL

Multi-protocol multi-manufacturer internet of things equipment integration management and meteorological information release system

The invention discloses a multi-protocol multi-manufacturer Internet of Things equipment integration management and meteorological information releasing system, comprising a plurality of front-end acquisition modules, a plurality of front-end issuing modules, a protocol conversion module, a central processing module and a front-end acquisition module, wherein meteorological information is collected and transmitted to a protocol conversion module. The protocol conversion module receives the meteorological information and processes the meteorological information into a unified format for data transmission to the central processing module. The central processing module receives the data of uniform format for content supplementary processing and transmits the data of content supplementary processing back to the protocol conversion module. The conversion protocol moduleis used for receiving the data processed by the content supplement and reading the attributes of the data and matching theattributes of each front-end publishing module, and converting the data processed by the content supplement into a corresponding format and transmitting the data to the corresponding front-end publishing module. The front-end publishing module receives the data supplemented by the content and performs actions according to the data; Only one logical encoding of the data is required to match different network protocols.
Owner:河南知天科技有限公司

Compiling method based on OPU instruction set and compiler

The invention discloses a compiling method based on an OPU instruction set and a compiler, and relates to the field of compiling methods based on CNN acceleration. The method comprises the following steps: converting CNN definition files of different target networks, selecting an optimal accelerator to configure mapping according to defined OPU instruction sets, and generating instructions of different target networks to complete mapping; wherein the conversion comprises file conversion, layer recombination of a network and generation of a unified intermediate representation IR; wherein the mapping comprises the steps of analyzing the IR, searching a solution space according to the analysis information to obtain a mapping mode for ensuring the maximum throughput, and generating instructions of different target networks based on the solved mapping mode according to the defined OPU instruction set. According to the method, the communication delay problem of an off-chip memory and the optimal accelerator configuration problem of finding different target networks are overcome, instructions of different target networks which can be executed by an OPU are output, CNN acceleration is completed by means of instruction configuration, and an FPGA accelerator is not reconstructed.
Owner:梁磊
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