239results about How to "Improve execution efficiency" patented technology

The invention relates to an embedded distributing emulation platform basen od HLA faced to space instrumentation and command and a method for carrying out same. The platform supports a distributed interactive simulation and is developped to high application based on HLA/DIS bottom protocol, and carrys out parallel running of multi-emulation platforms, and can record and playback the display and emulation process of two-dimension situation and three-dimension virtual environment for measurement and control environment and measurement and control object during the emulation process. The specific fuction of system includes: carrying out the emulation for measurement and control environment and measurement and control object by the emulation environment platform; adding, replacing or modifying the dynamic model, behavior, sensor and countermeasure of emulation body in the emulation engine by the assemble structure; having expandability; the platform development package having the application interface independently to the protocol; having the functon of route prediction and smoothness in order to display image of situation emulation more fluent and smooth; capable of record in-situ emulation data such that the whole process of virtual emulation training is playbacked, analyzed and evaluated.

The embodiment of the invention provides a printing method, device and equipment. The printing method comprises the following steps: firstly, receiving a print task sent by a task receiving interfacewhich is provided by a virtual printer by calling a print task scheduling service by the print task scheduling service, wherein the print task is used for printing print data sent by an application toa print queue of the virtual printer, and the virtual printer is set to be corresponding to a target printer cluster containing several printers; secondly, dividing the print task into a plurality ofsub-tasks by the print task scheduling service according to a preset task segmentation rule; and finally, allocating the plurality of sub-tasks to printers belonging to the target printer cluster bythe print task scheduling service, so that the printers print the respectively allocated sub-tasks.

This invention discloses a VLIW with single-instruction multiple data streams converging computing cluster structure, which includes the data buffer and microcontroller connected with main controller, and their connective computing cluster. The main controller are responsible for the instruction and data mobile, instruction loads in the microcontroller, data loads in the data buffer and receives their output. The data buffer receives main controller data, supplies operation data for computing cluster and receives its result, and outputs to the main controller. Microcontroller receives the VLIW sequence form main controller, decodes and broadcast to each processing unit for parallel execution. The computing group includes a number of same processing units with a number of dealing components respectively and the same instruction sequence, and the data is from different modules of data buffer.

The invention discloses a flow attempering method of application course to resolve problem that method of flow attempering realized by adopting command scenarios mode is single, and can not fulfill multiple application course attempering under UNIX (Linux)envirenment. Said method setting flow attempering serving program includes: reading prearranged service course information; creating output message queue and input message queue corresponding with said service course configuration message; reading single prearranged course control information, writing into input message queue corresponding with service when executes attempering, reading output message queue when attempering executed is returned. It also includes: setting flow attempering serving program and interface function of application program for application program, developing efficiency is increased greatly. The invention realizes combining attempering in single course/multiple course, synchronization / asynchronism multiple application courses under UNIX (Linux)environment, function of load equilibrium and flow control can be realized.

The invention relates to a control method of a system having many inter-integrated circuit (I2C) buses. In the method, a process processes the data communication in many I2C buses in parallel; the processor has two working states for each I2C bus; and the data reception and transmission of the I2C bus controller of each I2C bus are controlled according to the working state of the processor, wherein when the processor is in a main working state, the communication clock of the I2C bus controller of the I2C bus is generated. In the system, by controlling a process to process the I2C buses in parallel, a bottleneck in data transmission and processing is eliminated and the execution efficiency of the system is enhanced. In the embodiment, a programmable logic element is used to expand the main I2C bus of the processor, so that the processor may have many I2C buss channels and each I2C bus can be connected with many sets of equipment, which may be master equipment or slave equipment, for meeting requirements for use on some special occasions, particularly monitoring systems.

The invention provides an sql (Structured query language) injection detection method and device, and belongs to the technical field of network security. The method comprises the following steps: extracting http (hypertext transport protocol) parameters from an http request; combining each http parameter with each predefined dynamic sql template into an sql sentence; performing grammatical analysis on each sql sentence respectively, determining that the http parameter does not lead to an sql injection attack if the sql sentence is inconsistent with an sql grammatical rule, and outputting a marked character string which corresponds to the sql sentence if the sql sentence is consistent with an sql grammatical rule; matching the marked character string with a marked character string set having an sql injection attach characteristic, and determining that the http request is an sql injection attack if matching is successful. According to the method and the device, the execution efficiency of sql injection detection can be increased, and the false alarm rate of sql injection detection is lowered.

The invention provides an instruction classified multi-emitting method based on an SPRAC V8 (Scalable Processor Architecture V8) instruction set. According to the method, SPARC V8 instructions are divided into four classes; an SPRAC V8 processor is divided into five flow stages including an instruction fetching stage, a decoding stage, an execution stage, a memory accessing stage and a writing-back stage; the five flow stages are connected through a common data bus; (n-1) instruction fetching paths are added at the instruction fetching stage; (n-1) decoding units are added at the decoding stage; n groups of reservation stations are added between the decoding stage and the execution stage; reordering buffer regions are added between the execution stage and the memory accessing stage; corresponding execution units are added in the execution stage; a multi-emitting five-stage flow line structure is built for the SPRAC V8 processor; the conflict among parallel instructions is detected through the reservation stations; different instructions are processed through different execution units; finally, the instruction execution results are sequentially submitted by the reordering buffer regions; the parallel execution of the instructions is realized; and the processing performance of the SPRAC V8 processor is improved.

The invention relates to a database encryption method. The equivalent encryption algorithm, the preserving encryption algorithm and the homomorphic encryption are specifically designed and introduced to classify and encrypt data in a database, the data is saved in a server database, the hidden hazard that untrusted servers search for and leak confidential data is eliminated, and data privacy is protected. The invention further relates to an encryption database query method based on the database encryption method. On the basis that the equivalent encryption algorithm, the preserving encryption algorithm and the homomorphic encryption are specifically designed and introduced to classify and encrypt data in the database, a processing method for directly executing query operation on ciphertext is provided, execution efficiency is improved, and communication and calculation cost is reduced for users.

The invention provides an adaptive collection empirical mode decomposition based electrocardiosignal characteristic point identification method. The method comprises the steps that two parameters of Ratio and NEEMD combining empirical mode decomposition are calculated adaptively according to the self characteristics of to-be-identified electrocardiosignal, AEEMD noise-reduction processing is conducted on the to-be-identified electrocardiosignal according to the determined parameters, an electrocardiogram noise-reduction signal is obtained, AEEMD noise-reduction processing and characteristic point identification of the electrocardiosignal are combined, hierarchies large in QRS waveform energy ratio are extracted from intrinsic mode function components of all hierarchies obtained in the AEEMD noise-reduction process are overlapped to serve as a detection layer, after difference operation is conducted, an adaptive section division mode is adopted for conducting section processing, electrocardiogram difference section signals are obtained, and finally, by combining the electrocardiogram noise-reduction signal with the electrocardiogram difference section signals, positioning identification of QRS waves in the to-be-identified electrocardiosignal is achieved according to distances between all the characteristic points in the electrocardiosignal and a waveform slope relation; the amount of computation can be subjected to optimal identification, the identification efficiency is improved, and the identification accuracy is improved.

The embodiment of the invention provides a block chain transaction validity verification method, a device and a storage medium. The method includes determining N designated blocks including designatedtransactions from a first node in the block chain network; Acquiring, for each designated block, block header information of the designated block and a transaction list, wherein the transaction listincludes a first transaction identifier, the block header information includes a root node of a first Merkel tree and a last block identifier of the designated block, and a leaf node of the first Merkel tree is composed of all transaction identifiers of the designated block; Verifying a root node of the first Merkel tree and a first transaction identifier; Verifying whether the previous block identification of the specified block is in a pre-stored block header chain structure; Based on the verification results on each designated block, determining whether the designated transaction is valid.The embodiment of the invention does not need to download and store the full amount of block information, the transaction validity can be judged, the system resources are saved, and the execution efficiency is improved.

The embodiment of the invention discloses a control method, a control device and a control system for local internet protocol (IP) access or selected IP traffic offload for realizing high-efficiency local IP access (LIPA) or selected IP traffic offload (SIPTO). The method comprises that: a base station or an access gateway locally maintains an allowed member list of the LIPA or the SIPTO; an access request of the LIPA or the SIPTO from a terminal (UE) is received, wherein the access request of the LIPA or the SIPTO carries an identifier of the UE; and if the identifier of the UE is in the allowed member list of the LIPA or the SIPTO, the UE is allowed to execute the LIPA or SIPTO service.

The invention discloses an intelligent robot movement comparing method and a robot. The method disclosed in the invention comprises the following steps: current movement behaviors of an interaction object are collected, standard movement behaviors corresponding to the current movement behaviors are obtained, deviation data is obtained after the current movement behaviors are compared with the standard movement behaviors, and multi-modal motion adjusting instructions are generated and output according to the deviation data. According to the method disclosed in the invention, the intelligent robot is enabled to finish movement comparing operation, a user can be instructed to learn and imitate the movement behaviors, execution efficiency of movement behavior learning and imitating can be greatly improved, an application scope of the intelligent robot can be expanded, and user experience of the intelligent robot can be improved.

The invention relates to a classification-type secretarial document management system and method, which improves the document management efficiency and organically combines a document treatment system and a document management system. The classification-type secretarial document management system comprises a user role management module, a document recording module, a document settling and cataloging module, a document content management module and a document borrowing and inquiring module, wherein the user role management module is used for setting user authorities in the system by filing, borrowing, examining and approving documents, setting authorities and auditing track rules; the document recording module is used for collecting secretarial documents and storing the collected secretarial documents into a secretarial document database; the document settling and cataloging module is used for establishing catalogs of a document system; the document content management module is used for implementing file mount between the recorded secretarial document and the corresponding catalogs; and the document borrowing and inquiring module is used for inquiring secretarial documents from the secretarial document database according to the set user authorities. The invention has the advantages of expandability, reliability, maintainability, universality, high efficiency, transportability, safety, easy operations and complete functions.

The invention discloses a high-efficiency polymerization signcryption solution in an Internet-of-things environment, wherein the high-efficiency polymerization signcryption solution mainly settles theproblems of relatively small application range and relatively low practicability caused by relatively high calculation expenditure in an existing polymerization signcryption solution. The high-efficiency polymerization signcryption solution comprises the following realizing steps of 1, performing system initialization by a secret key generating center KGG and a certificate issuing mechanism CA; 2, registering a perception entity Ni in a CLC system and a user U in a PKI system to KGC and CA; 3, broadcasting a common random number and a public key certificate by the user U in the PKI system, and performing verification and receiving by the Ni; 4, selecting a message generating signcryption cryptograph by the perception entity Ni in the CLC system, transmitting the message generating signcryption cryptograph to an aggregator Nn for forming aggregated signcryption, and transmitting the aggregated signcryption to the user U by the aggregator Nn; and 5, performing polymerization de-signcryption and restoring corresponding plaintext information. The high-efficiency polymerization signcryption solution has isomerism and higher practicability. The high-efficiency polymerization signcryption solution can be used for smart home, intelligent traffic, intelligent medical service and intelligent industrial detection.

The invention relates to a power split hybrid system mode switching hardware-in-the-loop simulation test bench. The power split hybrid system mode switching hardware-in-the-loop simulation test bench includes a PC, a finished automobile controller, an AutoBox real-time simulation system and an actual automobile actuator system, wherein the PC is connected with the finished automobile controller and the AutoBox real-time simulation system respectively, and the actual automobile actuator system is connected with the finished automobile controller and the AutoBox real-time simulation system respectively; the AutoBox real-time simulation system acquires signals of the actual automobile actuator system in real time and transmits output signals to the finished automobile controller; the finished automobile controller judges the operating states of a finished automobile according to the signals transmitted by the actual automobile actuator system and the AutoBox real-time simulation system; and the AutoBox real-time simulation system receives feedback signals of the actual automobile actuator system and performs model simulation operation, and mode switching is completed. Compared with the prior art, the power split hybrid system mode switching hardware-in-the-loop simulation test bench of the invention has the advantage that the power split hybrid system mode switching hardware-in-the-loop simulation test bench can improve the development efficiency of power split hybrid system mode switching control strategies.

The invention provides a human face eye region positioning method for fatigue driving detection. Under the condition that the head of a driver is relatively static and moves slowly, a human face detection process which needs a lot of calculating resources consumed by a cascade classifier can be omitted, and a face matching template is matched and a human face eye region is positioned quickly according to matching parameters of adjacent frame video images directly, while under the condition that the head of the driver relatively quickly moves, although the positioning efficiency is affected to a certain extent by reusing the cascade classifier for detecting the human face image region, no substantial influence is generated for the fatigue driving alarm function. Moreover, the relative position relationship of each face characteristic region in the human face image region is further determined and verified by virtue of the face matching template and the accuracy of a positioning result is ensured. By adopting a pixel gray level-based matching mode in matching, the data processing amount is small, the executing efficiency is relatively high and the human face eye region positioning speed is enhanced simultaneously when the relatively high accuracy is ensured.

The invention provides a protection method for side channel attack and fault attack. The protection method comprises the following steps of I. dividing operation of block cipher algorithm into a plurality of stages of pipelines; II. inputting real plaintext into two stages of pipelines selected at random, and inputting random number into other stages of pipelines; III. carrying out operation, and then comparing whether the operation results of the two real data are consistent after the operation is finished. The protection method can resist both side channel attack and fault attack, and has strong safety and high execution efficiency.

The invention provides a network monitoring data collection and analysis system and method. The system is composed of an infrastructure layer, a programmable depth analyzer and an interface layer, wherein the programmable depth analyzer is composed of a data collection and preprocessing module, a data warehouse and a policy engine device. The system and the method provide a software defining policy method. Customizable policies of a user are used to analyze and process monitoring data in real time to realize flexible demands of a customer, which greatly improves the execution efficiency of network management. The system provided by the invention has high scalability, and can monitor any type of data and event of any type of data source in a cloud computing network through the development of plug-ins.

The invention discloses an A star path finding method and system based on binary heap node sorting. The A star path finding method includes: conducting initialization; judging whether a node n in an OPEN graph is a target solution A, if not, unfolding all follow-up nodes of the node n to form directly correlated sub nodes, putting the judged node n in a CLOSE graph, calculating the appraisal value of each follow-up node of the node n, conducting heat sorting on the OPEN graph according to the appraisal value, putting the node with the smallest appraisal value at the graph head of the OPEN graph, and repeating the steps until all the nodes are sorted. The A star path finding method introduces heat sorting in the normal A star algorithm so that the execution efficiency of the A star algorithm is greatly improved. The A star path finding method overcomes the defects of the traditional A star algorithm of frequently maintaining the OPEN graph and the CLOSE graph, causing long calculating time as the nodes in the OPEN graph have to be sorted each time, and being incapable of meeting high game timeliness requirements.

The invention, which belongs to the intelligent transport field, discloses a traffic flow information perception method based on a contour and a local characteristic point and a system thereof. In the invention, through remote control, a parameter of an analytic algorithm can be configured. According to a concrete scene, the various kinds of parameters of the analytic algorithm can be set or adjusted at any time, which gives great convenience to use a traffic flow information perception apparatus. In the invention, for tracking a vehicle, rough tracking based on contour information and evaluation are used, and the tracking based on the local characteristic point is selectively performed. A tracking strategy, which is from coarse to minute, can be adaptive to the different traffic scenes and an execution efficiency is high. The traffic flow information perception method and the apparatus in the invention can be directly used in an intelligent transport system (ITS).

The invention discloses an online game client side which comprises a network communication module, a protocol analyzing module, a login module, an accident center module, a scene module, a freshman module, a loading module, a data center module, a configuration file module and a functional module. The online game client side reduces coupling degree among the modules by adopting the accident center module and the data center module; effectively improves executing efficiency by means of a strategy that corresponding module is loaded according to the different modules where users enter; adopts user interface (UI) sharing, loads resources in non-synchronized mode, loads relative resources by interacting with users, reduces resource amount, simultaneously is favorable for modification of developers and art designers, greatly improves convenience, and pays attention to player experience including UI and game balance.

The invention discloses a system and method for MSVL compiling. The system comprises an MSVL leading end and a bottom layer virtual machine rear end. The MSVL leading end comprises a morphology grammatical analysis module, a preprocessing module and an intermediate code generating module. An LLVM rear end comprises a target code generation module. A method for MSVL compiling comprises the steps of using a normal form method to preprocess simple statements in MSVL, respectively preprocessing each concurrent component for complex statements, and creating a thread for each concurrent component. According to the system and method for MSVL compiling, problems that in the prior art, efficiency of executing an MSVL program and the efficiency of program verification and execution is affected are solved well, and MSVL program execution and verification efficiency is improved. According to differences of the complexity of a program, the program execution speed can be improved by tens of times or even up to a hundred times; and the program can be repeatedly executed after being compiled successfully in one time and does not need to be compiled again.

The invention discloses a memory monitoring method and a related device. The memory monitoring method includes: acquiring memory unit access information of a computer system, wherein the memory unit access information includes the access times of each memory unit of the computer system; acquiring process information of the computer system, wherein the process information includes mapping relation information between a virtual address and a physical address of a currently running process of the computer system; generating monitoring information according to the memory unit access information and the process information, wherein the monitoring information includes the access frequency of the currently running process to each memory unit; feeding back the monitoring information to the computer system so as to enable the computer system to manage the memory according to the monitoring information. By means of the technical scheme, the execution efficiency of the computer system is effectively improved.

The invention provides an IP message receiving processing device and processing method. Data message information from an MAC layer is cached by a message receiving module, and meanwhile, the message receiving module controls a receiving speed; after the received data message information with a proper speed is placed in a cache unit, a format processing module reserves a blank header for subsequent processing and adds head and tail information; then, the data is transmitted to a length check module and an error check module to check whether the data message information is correct; the data message information having no error is transmitted to a filling processing module and a decapsulation processing module thereafter at one time, and maximum and minimum packet limit of a network layer are cooperated by these modules; thereafter, the data message information is transmitted to a keyword extraction and lookup module to cooperate with a subsequent routing table entry lookup and result return module to realize a routing algorithm; and finally, a processed IP message is sent to a transport layer by a forwarding module.

The embodiment of the invention discloses a method and device for realizing monitoring on an SQL (structured query language) database. The method comprises the following steps of: when a virtual machine loads a database driver used for acquiring database links, changing the name of the original method in the driver; regenerating a method with the same name of the original method in the driver andcalling the original method the name of which is changed in the driver in the regenerated method; and modifying the return value of the method, and modifying the acquired database link into a proxy server to complete monitoring on access to a database by a service system. By applying the embodiment of the invention, database operation can be monitored in an operating period, the execution efficiency is increased by adopting a bytecode injection mode, and the driver of service application is not required to be modified.

This invention discloses a method for sending messages including: when a link corresponding to an interface can be used, a second layer package message of the interface is set up, when sending multicast or broadcast messages, the interface packages and sends the messages according to the second layer package information of the interface, in which, it's only necessary for an interface to package and send said message according to the registered second layer package information so as to speed up the transmission. This invention also provides a device for sending messages.

The invention provides a register burst access control method, electronic equipment and a storage medium. The method comprises the steps of S1, receiving a read request and a write request sent by main equipment through multiple channels; S2, converting the currently received read request or write request through a sending interface protocol time sequence so as to send the read request and the write request to slave equipment through the same data sending channel; S3, converting response data fed back by the slave equipment corresponding to the read request or the write request by a receivinginterface protocol time sequence so as to feed back the response data of the slave equipment through the same data return channel, wherein the response data comprises read data information and read state information fed back corresponding to the read request, and write state information fed back corresponding to the write request; and S4, analyzing the receiving interface protocol time sequence, and feeding back the response data corresponding to the read request and the response data corresponding to the write request to the master device through different data return channels. According to the invention, the control logic is simplified, and data is transmitted in an assembly line mode.

The invention discloses a universal ETL tool process model generation method based on workflow. Abstraction is conducted based on an ETL conceptual model, control of whole ETL and regular execution and dispatching of tasks are completed, the ETL model based on the workflow is built, a directed graph of an ETL process is built based on the ETL model, and through eight State transformation modes of integration transformation, decomposition, mergence, serialization, parallelization, restore point addition, division and replication, the ETL process is transformed into a new ETL process with a higher execution efficiency through appropriate transformation. According to the ETL system conceptual model different from traditional ETL models based on the workflow, steps of underlying concrete data extraction, transformation and loading are shielded, and when business is changed, a user only needs to modify an ETL flow chart. The development efficiency is greatly improved, the development cost is reduced, and popularization of data warehouses and data integration are really achieved.

The invention provides an FPGA-based domestic platform database acceleration system and method, the system comprises a host and an FPGA board card connected with the host, and the host comprises a CPU, a PCIe driver and an HOST program. The FPGA board card is connected with the CPU through a PCIe interface; The PCIe driver is used for establishing a data transmission path between the CPU and the FPGA; The HOST program is responsible for operation analysis and distribution, so that the CPU unloads the compute intensive tasks to the FPGA for execution; The FPGA chip is used for executing the computing intensive tasks unloaded by the CPU; The host also comprises a Kernel. Lib module and an operation support library; and the Kernel. Lib module is used for realizing issuing of a parallel acceleration function file and an algorithm by utilizing the operation support library.

The invention discloses a script realization method using a compiler. The method comprises the following steps of: firstly, preprocessing a script written by a user to generate a temporary file; then using the compiler to compile the temporary file generated by the script to generate a dynamic link library which can be called by a main program; finally when the main program is operated, loading the dynamic library; and when the main program needs to call the script, finding a script function corresponding to the script from the dynamic link library. The script of the user is directly compiled into an executable code through the method, and the execution efficiency of the program is increased compared with the traditional scheme for carrying out interpretive execution to the script. The user can be allowed to directly use various grammar rules of standard languages in the script, so that configuration software is simple and is easy to operate, and meanwhile, the flexibility and the expandability of the software are greatly increased.