39results about How to "Reduce CPU usage" patented technology

The invention discloses a display control method and system. The display control method comprises the steps that a playing window for playing a first video is displayed on the top layer of a display interface of a terminal device, and the lower layer of the playing window is a video list page; a first operation instruction for displaying the video list page is received; the first operation instruction is responded to, the playing window is shrunk according to a preset scale and then is locked at the first position of the display interface, and the video list page is displayed at the second position of the current display interface. By the adoption of the display control method and system, the video can be clearly displayed, and the multiple-video information can be shown at the same time; in addition, the storage resources of the terminal device and the utilization rate of a CPU are reduced, and operation of equipment is smoother.

The embodiments of the invention disclose an attack detection method and device; the method comprises the following steps: firstly, acquiring a target request message; extracting a to-be-detected field from the target request message; then, judging whether a firewall rule matched with the to-be-detected field exists in a blacklist rule base based on a pattern matching algorithm; if yes, detectingthe to-be-detected field based on a regular expression and determining whether the target request message is offensive or not; if not, directly judging that the target request message is not offensive. According to the scheme provided by the invention, for a normal legal request message, when attack detection is carried out, the CPU occupancy rate and the system performance consumption of a firewall system can be greatly reduced; moreover, most of the messages received by the firewall system are legal, so according to the embodiments of the invention, the working efficiency of the firewall system can be greatly improved.

The present invention discloses a robot navigation method and devices and belongs to the field of robot technologies. The method includes the following steps that: a global path from a starting pointto a target point is obtained through global cost map planning; a robot moves to the target point according to the global path, and performs path tracking during the moving process; whether a movementabnormality occurs during the path tracking is judged; if the movement abnormality occurs, a global cost map is used to re-plan a global path from the current location to the target point. Therefore,with the robot navigation method and devices of the invention adopted, the calculation quantity of the processor of a navigation device can be decreased, and navigation efficiency can be improved.

A method for taking statistic to real-time service information, belongs to data communication technology field, this method is: the master control board of multi service exchanger send out inquiry command to each service board; after the service board receives the command, collect on-line users information about current service board, report to the master control board; after the master control board receives data package of first user, process the single user information; the service board reports the numbers of users to master control board, the master control board sets the service board as the state waiting for receiving the total numbers of known users; the master control board compares the total number of on-line users with the numbers of on-line users of this service board, if they are equal, then set the service board as state receiving all the information, when all the service board enter into the state receiving all the information , the master control board processes all the data, and output the result to the maintenance end. Using this method, CPU occupancy rate of master control board is low, doesn't effect the present service of service board.

The invention relates to a standard cell library function testing method with a contrasting function. An input vector selection and extension module, a standard unit module, a contrasting unit module, an address selection module, a first output vector selection module, a second output vector selection module and a contrasting judgment module are arranged. The input vector selection and extension module is used for receiving or generating an initial vector and conducting selection and extension on the initial vector; the standard unit module stores all units in a standard cell library in a sorted mode; the contrasting unit module stores all standard cell ideal models in a sorted mode; the address selection module is used for generating a testing address and achieving the control function on other modules; the first output vector selection module and the second output vector selection module are used for receiving model output results of the standard units and an ideal cell respectively; the contrasting judgment module is used for contrasting the ideal output result with the actual output result. According to the standard cell library function testing method with the contrasting function, parallel testing is conducted on the multiple standard cells through vector reuse, redundant vectors are reduced, and the testing rate is increased; when functions of the standard cells are tested, contrasting of the testing results is directly conducted through an ideal model, whether each unit accords with the requirement or not is judged, and the workload of a tester is reduced.

The invention discloses a cloud desktop system, an image sequence compression coding method and a medium thereof, which are used for at least reducing the CPU utilization rate of a server host. The system includes a server connected through a bus and at least one external device. The method is used for the server, and comprises the following steps: calling an external device to execute a preset pipeline parallel processing encoding process in a preset image encoding module; acquiring result data obtained after executing an encoding process from the external device; and calling the image encoding module to enable the image encoding module to complete the compression encoding of the cloud desktop image sequence according to the result data.

The invention discloses a method for optimizing an oil well acquisition indicator diagram storing mode. The method comprises the following steps of performing overlay analysis of indicator diagrams in one day by utilizing superposition technology to obtain superposed diagrams and memorizing the superposed diagrams in a memorizer; obtaining a variation diagram of liquid production quantity with time according to daily fluid output amounts corresponding to the indicator diagrams in one day and memorizing the variation diagram in the memorizer; and selecting and memorizing a representative superposed diagram capable of reflecting real work condition of one day and calculating average daily fluid output amount. Multiple indicator diagrams of an oil well in one day are replaced by three diagrams, a memorizing space occupied by the indicator diagrams is decreased, query time is decreased, the central processing unit (CPU) occupancy rate of a server is reduced, the operation speed of the server is improved, historical production situations of the oil well can be really reflected, and historical query in the future is facilitated.

The embodiment of the invention discloses a processing method, device and system for generating a chart component system. The method comprises the steps of obtaining service structure information of a target chart; according to the service structure information, selecting a target component matched with the target chart from a preset chart component set; configuring the target component for generating a chart component system of the target chart. By utilizing the method or device, elements needed by constructing the chart can be modularized; due to the fact that components have the transportability, the components are used for constructing the chart component system, the extensibility mechanism of the system can be improved, and the coupling degree of the system can be lowered. Due to the component reusability, the memory size of the chart component system can be reduced; accordingly, the chart component system constructed by the components is applicable to a mobile terminal, and it is ensured that the CPU occupancy rate of the chart component system on the mobile terminal is low.

The invention discloses a flow control optimization method based on POTN. The method comprises the steps that a CCU application layer periodically sends a polling frame to each single disc, acquires in-place physical port information, and adds the physical port into or removes the physical port out of a flow control queue according to the in-place physical port information, to update the flow control queue in real time; and the CCU application layer sends data packets to every port in the flow control queue in a polling manner, and thus controls the flow of each port, wherein the packet sending time of each port and the maximal threshold of the total length of the data packets sent within the packet sending time are preset according to the packet sending rate of each port. According to the method, by dynamically maintaining the flow control queue, all ports in the flow control queue are actual in-place ports is ensured, unused ports on the device is prevented from adding into the flow control queue, the number of ports needing to be polled in the flow control queue is decreased, and thus the CPU occupancy rate of the flow control thread is significantly reduced.

The application discloses data transmitting and receiving methods and devices. One specific embodiment of the data transmitting method comprises the following steps: transmitting data to be transmitted; randomly generating an encryption length; encrypting the data from a predetermined position till an encryption length reaches the abovementioned encryption length in order to generated encrypted data; generating message header information including the encryption length; and constructing the message header information and the encrypted data into a complete message for transmission. Through the embodiment, the problem of high CPU (Central Processing Unit) occupation rate of a data transmission end is solved. One embodiment of the data receiving method comprises the following steps: acquiring received data; reading the message header information in the data, and extracting a decryption length; and decrypting the data from a predetermined position till a decryption length reaches the abovementioned decryption length in order to generate decrypted data. Through the embodiment, the problem of high CPU occupation rate of a data receiving end is solved.

The invention discloses a running state information synchronizing method and device. The method comprises the steps that a main virtual machine acquires current running state information of the main virtual machine when the main virtual machine confirms that the current running state meets the requirement of a running state information synchronizing strategy, and then the main virtual machine sends the running state information to an auxiliary virtual machine. According to the running state information synchronizing method and device, the CPU occupancy rate of a physical server can be reduced, processing performance of the physical server can be improved, and network consumption can be reduced.

The invention discloses a high-performance distributed container mirror image distribution system and method. The system comprises a main warehouse module, a scheduling module and a node processing module. The method comprises the steps that a main warehouse module forwards a mirror image pulling request; the scheduling module analyzes to obtain a to-be-pulled file list and sends data to the nodeprocessing module; the node processing module acquires the surprise hierarchical file and transmits the file through the IB network. According to the system and the method disclosed in the invention,the service pressure of the container mirror image server is reduced. The high-performance distributed container mirror image distribution system and method can be widely applied to the field of container cloud computing.

A method and apparatus for verifying an IEC 104 message are disclosed. The method for verifying IEC 104 message is characterized in that that device is applied to network equipment connecting IEC 104master station and IEC 104 slave station. The method comprises the follow steps: step A, judging whether the received message is an IEC 104 message when the message is received; If yes, the process goes to step B for processing; step B, verifying whether the message meets the preset IEC 104 message format requirements; If yes, the process is carried out in step C; step C, analyze that message, obtaining a plurality of preset characteristic information, and transferring the message and the obtained characteristic information to the step D for processing; step D, reading the pre-recorded sessionstate, and verifying whether the obtained characteristic information conforms to the preset session logic rule according to the read session state; If so, the message is judged to be legal.

The present application discloses an AIO request processing method, which comprises the following steps: receiving an AIO request input by a user; judging whether the AIO request is compatible with the underlying driver; if so, a SCSI request is constructed according to the AIO request, and the SCSI request is added into a request queue; constructing a SCSI command according to the SCSI request inthe request queue; the SCSI command being sent to the underlying driver so that the underlying driver executes the SCSI command to complete the processing of the AIO request. The technical proposal provided by the application omits the process of merging and sorting AIO and submitting the AIO to a special processing thread in the prior art, avoids the overhead of thread switching and scheduling algorithm, reduces the CPU occupancy, and reduces the processing delay of AIO requests. The present application also provides a system, a device and a computer-readable storage medium for AIO request processing, which has the above-mentioned beneficial effects.

The invention discloses a method, system and device for communication of Ceph kernel client and medium, and the method comprises the steps: building communication between the Ceph kernel client and a Ceph distributed storage based on an RoCE protocol, and building and initializing a sending completion queue and a receiving completion queue; in response to sending a message to the Ceph distributed storage and the type of the message being a non-blocking message, determining a first size of the to-be-sent data according to the message; calculating a second size of the data which can be sent this time according to the size of the current idle cache, and judging whether the second size is smaller than the first size or not; in response to the fact that the second size is smaller than the first size, obtaining a request sent to a sending completion queue, and releasing a cache corresponding to the request to update a current idle cache; and copying the data to be sent to the updated current idle cache, submitting a request to the sending completion queue to send the data to be sent, updating the first size based on the size of the copied data, and sending the data again until the first size is zero.

The invention discloses an RAID 6 hardware acceleration circuit structure, which comprises: a parameter analysis module, which is configured to be used for acquiring a parameter coefficient of an RAID 6 algorithm and calculating an operation coefficient based on the parameter coefficient; a data caching module, which is configured to be used for storing disk data; and a finite field operation module, which is configured to be used for sequentially obtaining the operation coefficient and the disk data corresponding to the current disk, and performing finite field multiplication on the basis of the operation coefficient and the disk data corresponding to the current disk to obtain an intermediate value of the current disk, wherein the finite field operation module is further configured to be used for caching the calculated intermediate value of the first disk to the intermediate value storage module, performing XOR operation on the calculated intermediate values of other disks and values in the intermediate value storage module, caching an operation result to the intermediate value storage module, and if the current disk is the last disk, outputting the value in the intermediate value storage module as a final result. The invention further discloses an RAID 6 hardware acceleration implementation method.

The invention discloses a high-speed Ethernet frame reconstruction system based on an FPGA (Field Programmable Gate Array), which is realized through the FPGA and comprises an Ethernet receiving and analyzing module, a packet analyzing module, a frame reconstruction module, a DDR and a data packet uploading module. the Ethernet receiving and analyzing module is used for receiving the electric signal subjected to photoelectric conversion from the optical port, analyzing and outputting an Ethernet frame data stream and a control signal through a physical layer and a data link layer, and sendingthe Ethernet frame data stream and the control signal to the packet analyzing module; the packet analysis module is used for sending the Ethernet frame data stream to the frame reconstruction module,and is also used for analyzing packet information from the Ethernet frame data stream according to the control signal and sending the packet information to the frame reconstruction module; the frame reconstruction module is used for logically synthesizing the parsed packet information and Ethernet frame data flow, reconstructing the parsed packet information and Ethernet frame data flow into a newdata frame and inputting the new data frame into DDR for storage; the DDR is used for caching data frames; the data packet uploading module is used for acquiring the data frame from the DDR and sending the data frame to an upper computer.

The invention provides a data migration method and device and a PCIE system. The data migration method applied to slave equipment comprises the following steps: configuring a memory space of the slave equipment; establishing mapping between the memory space of the slave equipment and a memory space of host equipment, and forming a first shared memory between the slave equipment and the host equipment, with the first shared memory being at least used for transmitting address information; and mapping the address information of the first shared memory in an outward mapping manner so as to execute data migration from the host equipment to the slave equipment and from the slave equipment to the host equipment. Data migration between the host equipment and the slave equipment is optimized, the CPU occupancy rate of the host equipment is reduced, the expansibility of the whole system is improved, and meanwhile the transmission performance between the host equipment and the slave equipment is improved.

The invention discloses a browser HTML5 Video label audio and video redirection method and system, and the method comprises the steps: intercepting the audio and video data inputted for the audio and video decoding class of a target video in a browser in a cloud virtual machine in a process that the browser plays the target video needing to be redirected; and the intercepted audio and video data are sent to the cloud terminal so as to be decoded, played and output through a player in the cloud terminal. According to the method, the CPU occupancy rate of the video played by the browser of the cloud virtual machine can be effectively reduced, the CPU consumption of compressed coding of the cloud server is also reduced, and meanwhile, the problem that the definition and fluency of the cloud desktop are reduced when the video is played by the browser is also solved.

The invention provides a power supply fault reporting method. A substrate management controller generally does not access a fault register of a power supply unit, and only when the power supply unit sends a fault alarm signal, a field programmable gate array chip informs the substrate management controller that the power supply unit has a fault, and, at the moment, the BMC accesses the fault power supply unit through the baseboard management controller, collects fault information and reports a log. According to the power supply fault reporting method, the busy condition of the I2C bus connecting the substrate management controller and the power supply unit is greatly reduced, the I2C bus competition between the substrate management controller and the Intel management engine is reduced, and meanwhile the CPU utilization rate of the substrate management controller is reduced.

The invention discloses an address resolution method, a cloud platform and a medium. The method comprises the steps that virtual machine information is issued to an address resolution server through a control plane in the cloud platform; the virtual machine information comprises a mapping relation between IP addresses and MAC addresses of all virtual machines in the cloud platform and current position information; obtaining an ARP request message sent by a virtual machine in a local node through an address resolution agent deployed in each computing node, packaging the ARP request message into an address resolution request message, and sending the address resolution request message to an address resolution server; an address resolution server analyzes an MAC address corresponding to an IP address requested to be analyzed and current position information based on virtual machine information to obtain an analyzed MAC address and target position information, packages an address resolution response message based on the analyzed MAC address and the target position information, and returns the address resolution response message to a corresponding address resolution agent. The performance of the control plane can be improved, and thus the user experience is improved.