86results about How to "Achieve direct access" patented technology

The invention relates to an I / O resource scheduling model for a distributed virtual machine monitor. The model is implemented by the following four steps: 1, detecting a physical resource stage; 2, establishing a global virtual I / O bitmap; 3, processing I / O instructions; and 4, interrupting virtualization. The model provided by the invention implements direct access of the distributed virtual machine monitor to equipment under a single system image, provides a complete I / O resource scheduling scheme, improves the utilization efficiency of I / O resources, and has good use value and broad development prospect.

The invention discloses a method and device for a deep learning system of a hybrid architecture. The method is characterized by comprising the steps in which, when a training data set is updated, a training module re-trains a deep learning network model and stores weights and offset parameters; a server side monitors changes in a parameter file while monitoring the process, encapsulates the changes into a pre-set data structure and notifies a reasoning module; the reasoning module interrupts a reasoning service, reads the weights and offset file content from the server side and updates the network model; and the server side monitors the process, meanwhile processes the input file that needs reasoning and notifies the reasoning module. The system device comprises a server module, a training module, a reasoning module and a bus interface. The training and reasoning hybrid CPU+GPU+CAPI heterogeneous deep learning system of the invention can make full use of resources, gain higher energy efficiency, and realize CAPI direct access to the server memory and real-time online iterations to update the weights and other parameters of the reasoning model.

The invention discloses a conversation history processing method in information system. A conversation history metadata describes conversation information metadata of conference conversation history data and the conversation history metadata is generated based on the composition of conversation history metadata. The invention also discloses an information system. The structure of conversation history meta data stored in information system is extended by adding conversation information meta data for describing conversation history information, so that the operation of conversation history of user is based on understanding the content of the specific information of the conversation history, therefore the management ability of user such as searching, deleting the conversation history information is increased and the service quality of the information system is increased.

The present invention provides a memory data quick persistence method based on a storage-class memory. The method is based on a flat mixed memory architecture, and is implemented by collaborative design of a user layer and a kernel layer. The method comprises: abstracting an SCM with a certain capacity and data stored in the SCM into a persistent area; designing an application programming interface (API) at the user layer, and making a response to memory access of an application to the persistent area; extending a Buddy system of a kernel to implement heterogeneous mixed memory management; and designing a persistent area manager to implement the functions of persistent mapping in the persistent area, metadata management in the persistent area and the like. According to the memory data quick persistence method based on the storage-class memory, a data linearization process required for data persistence in a traditional storage architecture can be avoided, direct access and in-place update of persistent data can be implemented, hierarchy invoking of a software stack in the traditional architecture is simplified, the I / O bottleneck can be effectively alleviated, and the memory access performance of the persistent data can be improved.

The invention discloses a direct I / O (input / output) remapping method for a plurality of virtualized shared systems. The method comprises the following steps: 1, extracting an I / O device function base address definition, recording a mapping relation between a base address register number and a base address number corresponding to an address window defined by the I / O device function base address definition; 2, performing writing storage on a function base address in a main control root node PCIe domain, and establishing a mapping relationship from the function base address number to the base address in the main control root node PCIe domain; 3, performing writing storage on a device function ID (identification) mapping relationship, and establishing a mapping relationship between ID numbers of a device function in the main control root node PCIe domain and a subordinate root node PCIe domain; 4, performing writing storage on a function base address in the subordinate root node PCIe domain, and establishing a mapping relationship from a base address in the subordinate root node PCIe domain to a function base address number corresponding to the base address; and 5, performing direct I / O remapping, and remapping a subordinate root node and an I / O device affair package.

Embodiments of the invention provide a virtualization method, apparatus and system, which realizes hardware virtualization. The method comprises the steps of generating a data access message, wherein the data access message carries a virtual machine identifier and virtual address information, the virtual machine identifier is used for identifying a virtual machine which generates the data access message, and the virtual address information is a virtual address of to-be-accessed data in the virtual machine; sending the data access message to a memory controller; and determining a physical memory address of the to-be-accessed data in a memory device according to the virtual machine identifier and the virtual address information by the memory controller. By adding the virtual machine identifier to the data access message, direct access to memory resources is realized, a tedious management process of memory resource access by software in the virtualization system is removed, and a base is provided for dynamic allocation of virtual machine resources.

This invention relates to a multichannel data direct internal memory access system and a method of a digital information transmission which receives data of every channel discontinuously with a DMA receive module utilizing data structure information of idle array descriptors and finished array descriptors, when numbers of the idle array descriptors are less than a set threshold in FREE-FIFO, a module is controlled from the idle array outside the chip by the bus interface control module according to the internal read-idle array pointer timely regulated. When sending DMA module, the array descriptor and arranged RAM, and the data structure information of the data packet descriptor to be sent is sent by a DMA module to multichannel.

The invention is applicable to the storage technical field and provides a method for accessing a solid state disc and the solid state disc of the method. The method includes the following steps that the step of establishing is performed, and multiple storage pools of preset sizes are established in the storage space of the solid state disc; the step of storage is performed, and data are written into the storage pools and key words are configured for the storage pools into which the data are written; the step of accessing is performed and the data in the corresponding data pools are accessed by means of the key words. Therefore, the flexibility and the efficiency of reading and writing accessing of the solid state disc are improved.

The embodiment of the invention discloses an operation method of a non-volatile RAM, a data operation method and a relevant device. The operation method of the non-volatile RAM comprises the following steps: a block device file corresponding to a non-volatile RAM area is generated; the block device file is formatted so as to enable the formatted block device file to support a first file system; the formatted block device file is mounted under the catalog of the first file system. The technical scheme provided by the embodiment of the invention facilitates the realization of no loss of data after the system is subjected to warm start or abnormal reset on the premise of being safe and reliable as far as possible.

The invention provides a method for direct access to a target server through a proxy server. The method comprises the following steps: a terminal user forwards a destination address of the target server to be accessed to the matched proxy server through a three-layer switch in a local network; the proxy server forwards requested data to the corresponding remote target server through the SSH tunneling protocol; the remote target server forwards processing result data to the proxy server through the SSH tunneling protocol; and the proxy server forwards results returned by the remote target server to the terminal user. Through the method provided by the invention, the terminal user can directly access all resources on the remote server in the same way as the terminal user accesses an internal local area network.

The present invention discloses an AXI / PCIE bus converting device which is used for data communication between an AXI bus and a PCIE bus. The device includes: an AXI read channel module, an AXI write channel module, a transmission FIFO module, a reception FIFO module, a transmission control module, a reception control module, a Master module, a Slave module, a TX module and an RX module. Compared with the prior art, the device of the present invention can achieve data information interaction between two equipment nodes via the PCIE bus while rapidly and accurately carrying out the data communications between the AXI bus and the PCIE bus; moreover, the device has advantages of simple structure, low cost, and good compatibility.

The invention relates to a street view image based three-dimensional measurement algorithm for geographical location and height of a target object. The algorithm comprises the following steps: a target object is selected firstly in a street view map, two proper viewpoints are selected according to the target object, and longitudes and latitudes of the two viewpoints are obtained; three street view images at different view angles are obtained respectively under the two viewpoints; the horizontal angle and the pitch angle of the target object under the viewpoints are calculated according to the three street view images; two spatial straight lines are determined according to the longitudes and latitudes of the viewpoints and the view angle from each viewpoint to the bottom of the target object, fronts of the two straight lines intersect, the intersection point of the two straight lines is solved, and the intersection point is the geographical location of the target object; then the actual height of the target object is solved on the basis of the longitudes and the latitudes of the viewpoints, obtained longitude and latitude of the target object as well as the pitch angle from each viewpoint to the top and the bottom of the target object. The existing street view resources are used effectively, and further application of the existing street view resources to smart city, intelligent transportation and other aspects is facilitated.

The invention discloses a knowledge service system and method suitable for the full life cycle of high-end equipment. The method is suitable for a knowledge service platform which is in communicationwith a high-end equipment manufacturing enterprise information system through a knowledge service system interface. Historical data is extracted from the high-end equipment manufacturing enterprise information system or expert experience is obtained from the brains of technical personnel through a semi-automatic acquisition mode based on a complex knowledge resource acquisition template. Full-lifecycle knowledge of the high-end equipment is obtained through a preset knowledge acquisition process. The knowledge obtained in the above steps is stored into a distributed database according to theexpression form of the knowledge, to form a high-end equipment manufacturing enterprise knowledge base. The knowledge service requirements of technicians of a high-end equipment manufacturing enterprise are obtained in an active and passive combined mode. A corresponding knowledge service engine in the multi-mode knowledge service method library is called according to the knowledge service requirements. The knowledge service engine calls full life cycle knowledge of the high-end equipment in the knowledge base and generates needed knowledge service by utilizing an inference algorithm.

An embodiment of the invention provides an interface display method and terminal equipment, is applied to the technical field of communication, and aims to solve the problem that existing terminal equipment is low in accessing efficiency if the terminal equipment accesses the functions of other application programs while the terminal equipment accesses one application program. The method includes:under the situation that a first interface displays N first controls, receiving user's first input on a target control, wherein the first interface is the interface in a first application program, the N first controls are used for indicating the access path of N second interfaces, the second interfaces corresponding to the first controls are different, the N access paths are access paths with topN access frequency in a preset time period, the target control is one of the N first controls, the second interface corresponding to the target control is an interface in a second application program, and N is a positive integer; responding to the first input to display a second interface corresponding to the second interface corresponding to the target control.

The invention discloses a bridge circuit for an EMIF interface and an AHB / APB time series and a control method of the bridge circuit. The bridge circuit is connected with an external DSP through the EMIF interface, and comprises a DSP signal synchronization module, a DSP operation detection module, an address mapping controller, a data bit width matcher, an AHB / APB time series generation state machine and a configuration register. The bridge circuit is integrated in a SoC, and is connected with the external DSP through the EMIF interface to achieve the functions of analyzing, splicing and converting DSP access time series, and then finally realize the efficient operation for on-chip resources. The bridge circuit can support the access control, for 16 paths of AHB / APB slaves, of the DSP at most.

The invention relates to a method and system for conducting compression and query on a sparse matrix. According to the method, a k2-tree method is improved on the aspects of rank operation change and common matrix and non-zero matrix processing. Firstly, a sparse matrix to be processed is preprocessed to obtain a sparse matrix A of a square matrix with a unit value 0 or1; then, a k2-tree algorithm is adopted to obtain arrays T (tree) and L (leaves), the Rank array interval fixing digits are stored according to information in the T (tree) to obtain Rank (tree), V (leaves) and rank (leaves) values are obtained according to the L (leaves) and an original corresponding sparse matrix, and stored values in the sparse matrix A can be queried after coordinates of query units are input. The sparse matrix can be effectively compressed, query speed is higher, and more storage space is saved.

The invention relates to a share memory database access method, which comprises the following steps that: a memory database service progress stores memory data into a share memory; then a client program sends a Socket connection request to the memory database service progress; the memory database service progress receives the connection request and sends a memory ID of the share memory to the client program; the client program receives the memory ID and maps the share memory corresponding to the memory ID to an own progress space, so that the client program can directly access the share memory and increase and / or delete and / or modify and / or check the memory data in the share memory; and when the client program quits, the memory database service progress releases the Socket connection with the client program. By the method, the client program can directly access the share memory, so that the Socket communication required by each access can be avoided; therefore, the access time of a memory database can be saved.

The invention discloses a communication system of terminals interconnected among different networks. The communication system comprises a protocol conversion device, an identity storage device and a communication authentication device. An access terminal issues an access request to the protocol conversion device. The protocol conversion device converts the access request into IP (internet protocol) form accessible by an address distribution device. The communication authentication device compares the access request converted into the IP to an identity in the identity storage device for authentication. After authentication succeeds, a VPN (virtual private network) channel between an accessed terminal and the communication authentication device is established. The access terminal and the accessed terminal under different network protocols are subjected to protocol conversion by the protocol conversion device, so that the terminals under the different network protocols are connected and communicated. The communication authentication device selects establishment of the VPN channel between the accessed terminal and the communication authentication device by comparing the access request of a user to the identity of the accessed terminal in an intranet for authentication, so that extranet users are allowed to directly access the accessed terminal in the intranet.

One or more embodiments of the invention disclose a service access method and system for a kubernetes cluster, electronic equipment and a medium. The service access method for the kubernetes cluster comprises the steps that an external client sends a service request to an external domain name server, the service request comprises a domain name of an internal service of the kubernetes cluster, and the external domain name server is located outside the kubernetes cluster; the external domain name server acquires an IP address corresponding to the domain name based on the domain name of the internal service of the kubernetes cluster; the external domain name server returns the IP address to the external client; and the external client accesses the internal service of the kubernetes cluster based on the IP address, so that the external client outside the cluster can directly access the internal service of the kubernetes cluster conveniently.

The invention discloses a remote processing calling method and device and a communication system, and belongs to the technical field of communication. The method comprises the following steps: a first message processing assembly receives a first calling request message and sends the first calling request message to a first service hook assembly; the first service hook assembly receives the first calling request message and sends the first calling request message to the first processing assembly; the first processing assembly receives the first calling request message, generates a first calling response message through the first calling request message and sends the first calling response message to the first service hook assembly; the first service hook assembly receives the first calling response message and sends the first calling response message to the first message processing assembly; the first message processing assembly receives the first calling request message and sends the first calling request message to a server side. The first service hook assembly is registered on a client, so that the server side can directly call a service offered by the client, the complexity is lowered, and the system flexibility is enhanced.

The invention discloses a communication method of terminals interconnected among different networks. The method includes: an access terminal issues an access request to a protocol conversion device; the protocol conversion device converts the access request into an IP (internet protocol) form accessible by a communication authentication device; the communication authentication device compares the access request converted into the IP to identity of an accessed terminal stored in an identity storage device for authentication; and after authentication succeeds, a VPN (virtual private network) channel between the accessed terminal and the communication authentication device is established, and the access terminal is available to access by the accessed terminal. The access terminal and the accessed terminal under different network protocols are subjected to protocol conversion by the protocol conversion device, so that the terminals under different network protocols are connected and communicated.

The embodiment of the invention provides a Beacon broadcasting method and device based on BLE5. The method comprises the following steps: generating broadcast packet data according to broadcast packet index information and preset broadcast packet mode information, wherein the broadcast packet index information is used for indicating the number and the order of the broadcast packet data; the preset broadcast packet mode information comprises multi-label mode information, entity information mode information and comprehensive information mode information; creating a time parameter for the broadcast packet data according to the broadcast packet index information, performing time distribution for the broadcast packet according to the time parameter, the broadcast packet index information and the time shaft information so as to obtain time scheduling information of the broadcast packet data; generating a broadcast packet queue through the broadcast packet data according to the time scheduling information; starting a timer according to the time parameter, selecting broadcast packet data from the broadcast packet queue according to the time parameter of the broadcast packet data and the real time of the timer, and sending the selected broadcast packet data to Bluetooth terminal equipment. The actual demand of the Beacon broadcast is satisfied by use of the method provided by the embodiment of the invention.

The invention discloses an HTTP and WebSocket collaborative distributed state synchronization method which is characterized by comprising the following steps: step 1, initializing a WebSocket server cluster, step 2, reconstructing a URL of the WebSocket server cluster, step 3, allocating a WebSocket session to each client, step 4, detecting whether long connection is normal, step 5, determining aservice state change request. Step 6, calling a service server to process the request, and feeding back a result to the client, step 7, sending the request to the WebSocket server node, and step 8, closing the long connection. The WebSocket server is used for replacing an original client to send heartbeat detection, messages or external storage is not used, the effects of being simple in deployment and easy to expand are achieved, and meanwhile the using function requirements of different scenes are met.

The invention discloses a programmable logic device configurator. The device comprises a microcontroller interface module (1), a working register array module (2), a program memory interface module (3) and a configuration time sequence generator module (4), an x80 series microcontroller can be realized; wherein the general Flash type program memory and the American Xilinx Company Artix7 / Kintex7 / Virtex7 series programmable logic devices are seamlessly connected together; a parallel high-speed programmable logic device slave SelectMap configuration circuit is formed, and after a user system is powered on and reset, the power-on reset program loading function of a corresponding programmable logic device of the user system can be directly completed; and in the normal working process of the user system, the user system autonomously controls and completes the functions of on-line program loading and function resetting of the corresponding programmable logic device, so that the target code on-line updating function of the corresponding programmable logic device is realized.

The present invention provides a method and apparatus for accessing a virtual machine. The method comprises: receiving an access request sent from external to a first port of a physical machine running the virtual machine; and according to a preset mapping relationship between a second port of the virtual machine and a first port, forwarding the access request to the first port of the virtual machine to allow the external to access the virtual machine. According to the method and the apparatus, the mapping relationship between the port of the virtual machine and the port of the physical machine is preset. Therefore, when there is remote access to the port of the physical machine, the remote access can be forwarded directly to the port of the virtual machine according to the mapping relationship. Direct access to the virtual machine by the external is implemented without the need for accessing the physical machine first. The physical machine is then performed to access the virtual machine running on the physical machine.

The invention provides a data communication method and device and electronic equipment, and relates to the field of cloud computing, and the method comprises the steps: building communication connection with a preset tunnel server if a target private cloud host needs to be accessed; wherein a communication tunnel is pre-established between the tunnel server and the target private cloud host; and accessing a target private cloud host through the tunnel server and the communication tunnel. According to the embodiment of the invention, the communication tunnel is established between the private cloud host and the tunnel server; when the management server needs to access the private cloud host, direct access from the management server to the private cloud host can be achieved through the tunnel server and the corresponding communication tunnel, meanwhile, mutual access between the private cloud hosts of different tenants is avoided, and the network security of the private cloud host is improved.

The invention provides a storage access method and device for a virtual machine, and the method comprises the steps: enabling a server to log in a storage service of a network disk distributed for thevirtual machine, obtaining an identifier of the network disk, and creating the virtual disk with the identifier of the network disk for the virtual machine based on the network disk. The virtual machine logs in the storage service of the network disk after starting the operation system based on the virtual disk; and then based on the identifier shared by the network disk and the virtual disk, determining that the storage access path of the virtual machine comprises the access path of the network disk and the access path of the virtual disk, the access path of the virtual disk being a main path, and the access path of the network disk being a standby path. And switching the access path of the network disk as a main path by the virtual machine after detecting that the server logs out of thestorage service of the network disk. Therefore, the virtual disk can be accessed only by occupying a small amount of server resources in the starting stage of the virtual machine, and the virtual machine directly accesses the network disk after the virtual machine is started.

The embodiment of the invention provides a storage device access method, device and system. The method, device and system are used for access operation of a virtual machine to a storage device. The method comprises the following steps: the I / O adapter acquires an access request from the virtual machine; wherein the access request carries virtual address information of a to-be-accessed storage area; an access instruction is generated according to the access request, wherein the access instruction carries the virtual address information and an identifier of a virtual channel of the virtual machine, the virtual channels are in one-to-one correspondence with the virtual machines and are used for connecting the corresponding virtual machines with a storage device target device, and the storagedevice target device is used for managing access operation on the storage device and sending the access instruction to the storage device target device. Therefore, direct access of the virtual machineto the storage device is achieved, the access method of the storage device is simplified, the I / O access process is shortened, and consumption of memory resources and computing resources by a software layer is reduced.

The invention provides a method for measuring micro vibration in the optical axis of a remote sensing satellite camera. The method comprises the following steps: (1) acquiring two continuous frames ofimages which are shot by the remote sensing satellite camera and contain the same scene; (2) identifying N homonymous points in the same scene in the two continuous frames of images, acquiring coordinates of each homonymous point in an image coordinate system, and N being greater than or equal to 3; (3) constructing an optical axis disturbance equation set based on the three-axis rotation angle of the optical axis around the camera coordinate system and the coordinates of each homonymous point of the two continuous frames of images in the image coordinate system in the imaging process of thetwo continuous frames of images; and (4) resolving the optical axis disturbance equation set to obtain the three-axis rotation angle of the optical axis around the camera coordinate system, and compensating the three-axis rotation angle of the optical axis around the camera coordinate system. According to the invention, optical axis position change information is directly acquired, and the measurement precision is improved.