3267 results about "Access method" patented technology

The invention relates to an intelligent equipment access system and access method based on an AI large model, and relates to the field of artificial intelligence and Internet of Things. According to the technical scheme, a dynamically adaptive universal object model access framework is constructed, functional attributes, control instructions and data formats of intelligent devices of different brands and protocols are mapped into a standardized logic model, meanwhile, a multi-mode AI large model engine is combined, high-precision voice recognition, voiceprint feature detection and multi-level semantic intention analysis capabilities are integrated, and the intelligent devices of different brands and protocols can be obtained. And an intelligent interaction closed loop of end-cloud collaboration is formed. Semantic analysis adopts a mixed strategy, a natural language instruction is converted through function mapping, a local knowledge base is utilized to match user scene requirements, and external data is queried by means of cloud networking to optimize instruction logic. According to the scheme, the multi-device access and operation and maintenance cost is remarkably reduced, the semantic understanding accuracy and scene adaptability are improved, and the method is widely applied to the fields of smart home, smart medical treatment and industrial Internet of Things.

The invention discloses an adjustable load security access method for a virtual power plant, and relates to the technical field of power system automation, and the method comprises the following steps: in the operation process of a virtual power plant scheduling system, after an upper-layer scheduling center issues a unified adjustment instruction according to an operation demand, all access nodes are monitored in real time, and the adjustment instruction is sent to the upper-layer scheduling center; the method comprises the following steps: receiving a scheduling instruction from an access node, collecting response behavior data of the access node to the scheduling instruction, preprocessing the collected original response data of a single node, and carrying out unified coding and formatted storage on historical and current response behaviors according to node identification and scheduling time sequence information to construct a structured data set. According to the method, accurate identification and dynamic correction of the adjustable load frequency response offset risk in the virtual power plant are realized, the heterogeneous load perception and control capability is improved, frequency staggering resonance and scheduling failure caused by inconsistent response are avoided, the system cooperative adjustment stability and the load safety access reliability are enhanced, and the method has a good application prospect.

The invention relates to the technical field of geographic information systems, in particular to a map tile data efficient access method and system based on hybrid storage and intelligent layering, and the method comprises the following steps: constructing a multi-level storage architecture, carrying out dynamic heat analysis, carrying out intelligent layering scheduling, preloading and space prediction, and carrying out transmission and access optimization. The method has the beneficial effects that the multi-level storage pool is constructed by combining the advantages of object storage and a distributed file system; adopting a dynamic tile popularity analysis model to realize hot data cache acceleration and cold data hierarchical archiving; and meanwhile, a tile request preloading mechanism is introduced, and an access path is optimized in combination with a spatial locality prediction algorithm. According to the method, the storage cost can be remarkably reduced, the tile request delay is reduced, quick response in a high-concurrency scene is supported, and the method is suitable for application scenes such as Internet map services and smart cities.

The invention discloses a memory access method, a program product, equipment and a medium, and relates to the technical field of computers, firmware is utilized to determine to-be-reserved physical memory information, the to-be-reserved physical memory information is analyzed and continuously split to obtain physical memory segments, and the physical memory segments are divided and aligned; dividing the virtual address space, and performing alignment processing on the divided virtual address space; performing memory mapping on the processed physical memory segment and a physical address space corresponding to the processed virtual address space; generating a page table by utilizing a physical address space corresponding to the mapped and processed virtual address space; when an access instruction of a user is obtained, the corresponding target physical address space is screened from the page table to determine the mapped target physical memory segment, so that the user accesses the target physical memory segment based on the user mode process, the range and capacity of the memory segment are dynamically configured, the stability of the memory during key load operation is guaranteed, and the memory access performance is improved.

The embodiment of the invention provides a memory access method and device, electronic equipment and a readable storage medium. The method comprises the following steps: receiving a cache line access request; extracting label information from a target memory address corresponding to the cache line access request, wherein the label information comprises a shared label, a private label, a group index, inter-block offset and intra-block offset; querying whether the cache line access request hits the L1 cache or not based on the label information; the group index is used for determining a target group, the shared tag and the private tag are used for determining a target cache line in the target group, and the inter-block offset is used for determining a target cache block in the target cache line; and if the cache line access request hits the L1 cache, determining a target data position in a hit target cache block based on the in-block offset, and executing a corresponding memory access request based on the target data position. According to the embodiment of the invention, on the basis of ensuring the data access efficiency, the storage space of the cache line is fully utilized, and the waste of the cache space is reduced.

The present application relates to the technical field of data storage. Disclosed are a multi-source heterogeneous distributed system, a memory access method and a nonvolatile readable storage medium. The method comprises: a first unified interconnection bus unit receiving, by means of a protocol adaptation interface module, a read request sent by a first device, and setting the cache state of a first memory unit to be an invalid state; sending to a second unified interconnection bus unit of a second device a request message obtained by packaging the read request, the second unified interconnection bus unit reading data from a second memory unit; setting the cache state of the second memory unit to be a shared state, and sending to the first unified interconnection bus unit a response message, the first unified interconnection bus unit storing in the first memory unit data carried by the response message; and setting the cache state of the first memory unit to be a shared state. Thus, deploying a unified interconnection bus unit on each device can achieve a consistent memory communication between the devices, thereby achieving memory sharing, and further improving the performance of the multi-source heterogeneous distributed system.

The invention discloses an encrypted file access method and device, equipment and a storage medium, relates to the technical field of data processing, is applied to a creative operation system integrated with a hardware password card, and comprises the following steps: recording an index value corresponding to a target key generated by a target hardware password card, then generating a to-be-encrypted extension attribute based on a to-be-extended file, and sending the to-be-encrypted extension attribute to the target hardware password card; encrypting the to-be-encrypted extension attribute in the target hardware password card by using the index value to obtain an encrypted extension attribute; storing the encrypted extension attribute in the to-be-extended file to obtain a to-be-encrypted file, and encrypting the to-be-encrypted file in the target hardware password card based on the index value to obtain an encrypted file; and judging whether the file access request meets a preset attribute access condition or not by using an access center generated by a preset access mechanism, if so, calling the target hardware password card to decrypt the encrypted extension attribute, and then accessing the encrypted file based on the obtained extension attribute information. Therefore, the security of file access can be improved.

The invention relates to the technical field of data sharing, and particularly discloses an electrical equipment supply chain data security access method and system, and the system can intelligently match table structure information in a power industry database based on natural language input of a user, and generates a corresponding SQL query. By combining a natural language processing technology with a large language model, a user can easily access and query required power industry data under the condition that a complex SQL statement or a database structure does not need to be mastered. According to the method, the efficient query task can be automatically generated, the data access difficulty is greatly reduced, meanwhile, a data field level encryption scheme and a user permission intelligent verification mechanism are designed, and the safety of the data access sharing process is ensured; and the method has good expansibility and can be compatible with power enterprise databases of different scales.

The present disclosure provides a coordinated multiple access method for multi-cell ground-to-air data transmission, and belongs to the technical field of wireless communication. The method comprises the following steps: S1, constructing a model of a coordinated multiple access system for multi-cell ground-to-air data transmission; S2, calculating a transmission rate of an aircraft, and constructing a multi-cell airspace and power domain resource allocation optimization problem by taking maximizing a system transmission rate as an optimization objective; S3, constructing a Markov decision process model; S4, solving the optimization problem using a multi-agent deep reinforcement learning algorithm. The system transmission rate is maximized under the condition that the aircraft can decode the signal correctly and satisfy the constraint of minimum transmission rate, thereby realizing ground-to-air high-speed data transmission. The present disclosure adopts the coordinated multiple access method for multi-cell ground-to-air data transmission, which can realize fast online decision, satisfying the requirements of ground-to-air high-speed data transmission in the high dynamic flight scenario of the aircraft.

The invention relates to the technical field of EDA (Electronic Design Automation), in particular to a far-end access method and equipment based on a non-UCIe protocol bus and a storage medium, which are characterized in that an adapter layer of a receiving end chip is configured, so that the adapter layer has a function of actively initiating a local register access transaction; the adapter layer analyzes the received request transaction to obtain address and data information, and writes the address and data information into a mailbox register; when the request transaction accesses the register address space of the high layer, the adapter layer is switched to a main equipment mode, constructs a local-like register access transaction according to a mailbox register, and sends the local-like register access transaction used for triggering the high layer to feed back response information to the high layer through a non-UCIe protocol bus; the obtained response information is returned to the adapter layer through the non-UCIe protocol bus, and is fed back to the sending end chip by the adapter layer; the high-level high-efficiency flexible access to the receiving end chip is realized on the premise of no UCIe constraint and no CPU intervention.

The invention provides a multi-host system and a cross-domain access method. The system comprises a structure manager and at least two host domains, the structure manager is used for discovering and managing a topological structure of the multi-host system, distributing segment serial numbers for hosts and distributing port identification numbers for host edge switches, edge ports and downstream edge switches; the structure manager obtains equipment information of the terminal equipment and sends the equipment information to the host; the host sends a request message to the terminal equipment through the host edge switch via the port-based routing switching network; the downstream edge switch establishes an association relationship between a segment serial number and a port identification number carried in the request message, and maps a physical address of a host needing cross-domain to a physical address of a host subjected to cross-domain; and the downstream edge switch receives the completion message, determines a port identification number corresponding to the segment serial number carried in the completion message based on the association relationship, carries the port identification number in the completion message as a destination end identifier, and sends the port identification number to a corresponding host.

The invention provides a data sharing network security privacy hierarchical control trust access method and device, and relates to the technical field of data access. The method comprises the following steps: acquiring a data identifier input by a target user at a target client, and performing primary verification; under the condition that the first-level verification is passed, the fingerprint of the target client is obtained, and second-level verification is carried out; under the condition that the second-level verification is passed, login information input by a target user at a target client is obtained, and first dynamic verification information and second dynamic verification information are sent to the target client; acquiring third dynamic verification information and fourth dynamic verification information input by the target user at the target client, and performing third-level verification; under the condition that the three-level verification is passed, determining an environment risk assessment value, and under the condition that the environment risk assessment value is smaller than a preset threshold value, passing the ultimate verification of the target user; a temporary token is generated for the target user. According to the method, the data sharing efficiency can be greatly improved while the compliance is ensured.

The invention discloses an interactive access method, device and equipment of an intelligent agent and a storage medium, and relates to the technical field of artificial intelligence, and the interactive access method of the intelligent agent comprises the following steps: receiving an initial service session request initiated by a user, carrying out request interception on the initial service session request based on session request information, determining a target service session request; and determining a service scene to which the target service session request belongs according to a preset intention recognition model, calling an intelligent agent in the service scene to respond to the target service session request, and returning a standard service answer corresponding to the target service session request. According to the technical scheme, the threshold of accessing the intelligent agent by the user is reduced, and the processing efficiency of the digitization capability of each service scene is improved.

The invention provides an intelligent contract cross-domain access method based on a master-slave chain architecture, and the method comprises the steps: analyzing and verifying a cross-domain access request according to a public key of a slave chain corresponding to the Internet of Things equipment when the slave chain receives the cross-domain access request sent by any Internet of Things equipment; when the cross-domain access request passes verification, according to the analyzed cross-domain access request and an authority control strategy stored by the smart contract, determining whether the Internet of Things device has the authority to access the current Internet of Things domain; the authority control strategy stored by the smart contract is to dynamically adjust the access authority of the Internet of Things equipment by analyzing the historical behavior and request content of the Internet of Things equipment; when the Internet of Things equipment has the access authority, a cross-domain access request is sent from the chain to the main chain; and when the slave link receives the cross-domain access certificate issued by the main chain, the cross-domain access certificate is sent to the Internet of Things equipment. The authentication steps are reduced, the access process is simplified, and the access efficiency is improved.

The invention provides a chip system and an access method, relates to the technical field of chips, and improves the data access performance of a high-performance computing system. According to the specific scheme, the chip system comprises a snoop filter, a plurality of processor cluster nodes and a plurality of memories, the processor cluster nodes are coupled through a bus, the snoop filter is coupled with the bus, the processor cluster nodes are in one-to-one correspondence with the memories, and the snoop filter adopts a unified directory format. The snoop filter is used for obtaining an access request initiated by the processor cluster node, and the access request comprises address information. The snoop filter is further used for determining an access mode of the access request based on the address information, wherein the access mode comprises a unified memory access mode and a non-unified memory access mode. The processor cluster node is to access the memory based on the access pattern and the access request. The embodiment of the invention is used for the process of accessing the memory by the processor cluster node.

The invention provides a memory resource access method and device, an address translation method and device, electronic equipment and a storage medium. According to the embodiment of the invention, a virtual machine management component can be used for firstly obtaining a direct memory access request of external equipment to a memory resource mounted under a virtual machine; and searching a target physical address corresponding to the target virtual address of the target memory resource from the data processing unit, so that the external equipment accesses the target memory resource by accessing the target physical address. Wherein a physical address translated by the virtual machine management component for the virtual address of the memory resource in advance is stored in the data processing unit, and the data processing unit performs data communication with the virtual machine management component through a communication drive simulated in the virtual machine management component. By adopting the scheme, the congestion of the shared memory resource (IOTLB) of the memory management unit possibly caused by excessive address query can be avoided, the consumption of the shared memory resource is reduced, and the utilization rate of the shared memory resource is improved.

The invention provides a modularized integrated circuit unit and a distributed storage unit access method and system, and the modularized integrated circuit unit comprises at least one memory controller which sends a storage address access request to a storage unit; the at least one storage unit provides unified memory access for the storage address access request, and the storage unit comprises a local storage unit and a virtual far-end storage unit; the at least one computing unit initiates a storage address access request; and the at least one internet-on-chip is used for interleaving the storage address indicated by the storage address access request, generating interleaved storage address distribution, determining a corresponding target storage unit, and storing the target storage unit by setting a local storage unit and a virtual far-end storage unit. Uniform address access and load balancing of the distributed storage units on the modularized integrated circuit units are achieved through the address interleaving technology and the virtual storage mapping, the resource utilization rate is increased, and the performance and usability of the distributed storage system are improved.

The invention relates to the technical field of wireless communication, in particular to an access method, a satellite, user equipment, a communication device, a computer readable storage medium and a computer program product. The access method comprises the following steps: receiving a connection request message from user equipment; in response to the connection request message, determining candidate satellites according to information of a second satellite and position information of the user equipment; a connection request response message is sent to the user equipment, and the connection request response message comprises the information of the candidate satellites; receiving a measurement report of the candidate satellite from the user equipment; determining a target satellite according to the measurement report of the candidate satellite; and sending the information of the target satellite to the user equipment, the information of the target satellite being used for indicating the user equipment to access the target satellite.

The present application relates to the field of cloud technology, and discloses a metadata access method and apparatus, a device, and a storage medium. According to the method, a global metadata cache scheme is used, and relates to a three-layer architecture, i.e., a global cache file, a cache description array, and a memory block; storage areas can be divided according to the data length of metadata in a shared memory; and when target metadata needs to be acquired for a target process, metadata can be queried layer by layer according to the three-layer architecture until target address information of target metadata that has been cached is obtained, and the target address information is returned to the target process for realizing the access of the target metadata. In this way, the metadata required by all the working processes can be accessed by means of the method, so that metadata caches of the working processes do not need to be respectively maintained by the working processes, thereby reducing the repeated metadata cache between the working processes, reducing the occupied memory resources, reducing the transmission resource occupation of the repeated metadata, and improving the resource utilization rate.

The invention relates to the technical field of EDA, in particular to a remote access method and device based on a UCIe mailbox mechanism and a storage medium. The method comprises the steps that a destination address is obtained by analyzing a sideband register access request packet; when the destination address is located in a register address space of a high layer, the adapter layer sends the sideband register access request packet to the high layer through a sideband interface cfg in an FDI and obtains an access result; the adapter layer writes the access result into a mailbox register, and packages the access result and related data in the mailbox register to form a sideband access completion transaction; and the sideband access completion transaction is fed back to the sending end chip in an original way. Efficient and flexible access without CPU intervention to a high layer through a sideband is achieved, and the UCIe protocol specification is met.

The invention relates to the technical field of Internet of Things terminals, and discloses an Internet of Things equipment security access method based on a mobile communication network, which specifically comprises the steps of Internet of Things equipment identity authentication, Internet of Things equipment permission setting, encryption of data transmitted by Internet of Things equipment, and encryption of the process of data transmission of the Internet of Things equipment. A data backup and recovery system is established through a safety auditing system and auditing log management of the system, and the operation state, network communication quality and the like of the Internet of Things equipment are monitored and analyzed in real time through a performance monitoring system and then optimized. The method can enhance the security of equipment identity authentication, improve the confidentiality and integrity of data transmission, reduce the security risk and vulnerability utilization, improve the flexibility and expandability of the system, enhance the defense capability and emergency response speed of the system, and improve the user experience and data reliability. And the security and the reliability of the Internet of Things equipment when the Internet of Things equipment accesses the mobile communication network are ensured.

A metadata access method, apparatus, and computer-readable storage medium for efficient metadata retrieval through cache management. The method receives metadata query requests including target index information from processes and performs matching operations on a global cache file containing records with index information and slot identifiers. Each cache description array corresponds to memory blocks caching metadata. Upon successful matching, the target cache description array is accessed using the target slot identifier. The data state of target metadata is determined from the cache description array, and target address information indicating the location of the target memory block in shared memory is obtained and returned to the requesting process, enabling efficient shared memory-based metadata access.

The invention provides a multi-core GPU cache division method, architecture and data access method, relates to the technical field of graphics processor design, and aims to realize cross-core access performance system-level optimization and improve the performance of processing large-scale image data by introducing a cache allocation mechanism based on topology awareness. The method comprises the steps that a multi-core-grain GPU topological structure comprising a target computing core grain and at least one associated computing core grain is obtained, a to-be-divided far-end data cache of the target computing core grain is used for caching image data from a far-end video memory, and the to-be-divided far-end data cache is connected with the associated computing core grain through an inter-core-grain interconnection network; if the number of the calculation core particles contained in the multi-core-particle GPU does not exceed a first preset threshold value, the inter-core-particle hop count between each associated calculation core particle and a target calculation core particle is determined based on the topological structure, and then the corresponding capacity of the associated calculation core particles in the to-be-divided cache of the target calculation core particle is determined; and dividing the to-be-divided cache according to the capacity corresponding to each associated calculation core particle.

The invention discloses an access method, device and equipment and a computer readable storage medium, which are applied to the technical field of computers, and comprise the following steps: loading a consistency label list corresponding to an authorized access consistency domain; when an access request is initiated to a target consistency domain in the shared memory, performing permission verification on the access request through the consistency label list and the target consistency domain; when the permission verification is passed, determining whether an access conflict exists or not through a local access state cache and the type of the access request; if the access conflict exists, a controller arbitration engine is triggered, and the access request is executed according to an arbitration result; and if the access conflict does not exist, executing the access request. According to the method, the consistency label list and the access state cache are formulated for each device, the consistency problem existing when multiple devices access the shared memory in an existing system is solved, and efficient, low-conflict and flexible consistency guarantee can be achieved under the scene that multiple devices concurrently access the shared memory.

The invention provides a mobile application security access method based on randomness, and relates to the field of mobile application security, and the method comprises the steps: firstly, sending request information to a server through a client, and then carrying out the risk assessment of the request information through the server by using a deep learning algorithm, including the extraction of a user identity, an operation type and context information; and in combination with real-time security threat intelligence, dynamic response coding characteristics are generated by utilizing structured and semantic coding technologies, and the risk level of the request is calculated, so that the challenge complexity is dynamically adjusted, and random challenges are generated and sent to the client. And after the client responds, the server verifies the correctness so as to decide whether to continue service processing or deny access. Thus, risks can be quantified within milliseconds, the delay and stiffness problems of a traditional static strategy are solved, and efficient safety protection and good user experience balance are achieved.

The invention discloses a memory access method and device, a storage medium and a program product, and relates to the technical field of memory access, comprising: monitoring memory access information of a target memory; the memory access information comprises a missing page address sequence during memory access, an address distribution characteristic when an address conversion failure event occurs in an address conversion lookaside buffer, a cross-node access event and a virtual memory access frequency; determining corresponding target feature information; the target feature information comprises spatial locality, thermal density, access dispersion and unbalance degree data; and determining a current memory access mode based on the target feature information, and determining a target access strategy from preset memory access strategies configured with different memory page table prefetching rules to access the memory. The memory access feature information is quantified through the memory access information, the corresponding memory access mode is determined, and the corresponding memory page table prefetching rule is executed, so that the traversal delay of the multi-level page table can be reduced, and the memory access performance is improved by fully utilizing the memory bandwidth.

In a cross-security-region resource access method in a cloud computing system, a virtual block device, which is simulated by a virtio protocol-based BLK front-end driver in the cloud computing system and taken as an RPC calling client, receives an IO access request for data resources maintained by a resource service program triggered by a business application installed on each virtual node through a simulated RPC channel on the virtual block device; in response to the IO access request, encapsulates the IO access request into an RPC request for performing an RPC calling for target data resources, sends the RPC request to a RPC calling server program simulated by a virtio protocol-based BLK service through the RPC channel, so that the RPC calling server program submits the RPC request to a resource access agent program, which submits the RPC request to the resource service program to complete cross-security region resource access.

The embodiment of the invention provides an access method and an access device, relates to the technical field of computers, and solves the problems of poor expansibility and low performance during server node data mutual access. According to the specific scheme, an address of a second server node corresponding to a first virtual address is determined according to the first virtual address, and the first virtual address is an address carried by an access request acquired by the first server node; if the address of the second server node is a second virtual address, the access request is sent to the second virtual address, and the second virtual address is a shared virtual address of the first server node and the second server node. The embodiment of the invention is used for the data exchange access process between the server nodes.

The embodiment of the invention provides a memory access method and device and a storage medium. In an equipment straight-through scene, a duplicate page is constructed for a target physical memory page where index information in an available ring is located, by maintaining the duplicate page, the index information accessed by straight-through equipment can be lagged behind the index information maintained by a virtual machine, and work such as missing page recovery can be completed in the lagging period. Therefore, it is ensured that preparation of the memory data is completed before the direct connection device obtains the memory address of the virtual machine to be accessed, and it is ensured that the direct connection device normally implements DMA access and does not perceive the page missing problem. Therefore, the memory missing page can be supported in the equipment direct connection scene, on the basis, the physical memory page can be reused as required, the memory access of the direct connection equipment is not influenced, and the utilization rate of the physical memory can be effectively improved.

The embodiment of the invention discloses an access method in a distributed file system, computing equipment and file access equipment. The method is applied to a first metadata node, the first metadata node belongs to the multiple metadata nodes, the same directory information is stored in each metadata node in the multiple metadata nodes, and the directory information is used for storing directory metadata of the distributed file system. The method comprises the following steps: receiving a first access request from a client, wherein the first access request comprises an object path to be accessed; determining first file fragment information corresponding to first metadata according to the directory information and the to-be-accessed object path; determining an operation result corresponding to the first metadata according to the first file fragment information and the fragment routing information of the first metadata node; and sending the operation result to the client.