73 results about "Block number" patented technology

The invention discloses a video generation method and system based on three-dimensional sparse attention, and belongs to the field of video generation. The method comprises the following steps of: performing three-dimensional partitioning on an input video feature according to the size of a time dimension block and the number of space dimension blocks, and performing rearrangement index on each three-dimensional sub-block; adopting a block-level Top-K attention mechanism, and only selecting a key block for each query; carrying out attention calculation on query, key and value features of the key block, and carrying out normalization output on a calculation result; utilizing FlashAttention to execute efficient variable-length attention calculation on the rearranged query, key and value characteristics, and recovering an original sequence; video output features are generated through the residual connection and the feed-forward network. According to the method, the long-sequence video attention calculation complexity and video memory occupation are remarkably reduced, the time-space dependence modeling efficiency is improved, and the method is suitable for large-scale video generation and understanding tasks.

The invention provides a surface code-based quantum circuit fault-tolerant compiling method and a surface code-based quantum circuit fault-tolerant compiling device. The method comprises the following steps: acquiring an input set and a quantum circuit; aiming at each initial parameter combination, according to the corresponding bit block number parameter and the corresponding factory number parameter, estimating execution time required for executing the quantum circuit; for each initial parameter combination, generating line space-time cost information of the quantum line according to the corresponding bit block number parameter, the corresponding factory number parameter and the corresponding execution time; determining a target parameter combination from the plurality of initial parameter combinations based on the respective line space-time cost information of the plurality of initial parameter combinations; and according to the target parameter combination, mapping the logic bit of the quantum circuit to the physical space of the chip, and scheduling the quantum operation in the mapped physical space to obtain a physical execution sequence.

Methods, systems, and devices for wireless communications are described. An encoding device (e.g., a network entity or user equipment (UE)) can communicate an indication of an encoding symbol identifier (ESI), a source block number (SBN), or both, to a decoding device in downlink control information (DCI). By way of example, the indication of the SBN and / or ESI can be transmitted using either an unused field or a repurposed field in the downlink control information (DCI) that schedules a transmission including the encoding symbols, or in a new DCI piggybacked on a downlink shared channel transmission including the encoding symbols. Additionally or alternatively, in a first option, the ESI can be explicitly indicated by the DCI. In another option, the network entity can indicate (e.g., via radio resource control messaging) a configuration for implicitly determining the ESI based on information conveyed in the DCI.

The embodiment of the invention provides a data integrity verification method and system based on WAPI block encryption, and the method comprises the steps: carrying out the segmentation of an obtained to-be-uploaded file, and obtaining a plurality of file data blocks; encrypting the plurality of file data blocks through the first key to obtain a plurality of encrypted file data blocks; selecting a target file data block from the plurality of file data blocks to generate verification information, and encrypting the verification information to generate a verification information ciphertext; sending the plurality of encrypted file data blocks, the target file data block number and the verification information ciphertext to a cloud server; selecting a corresponding encrypted file data block based on the target file data block number, and calculating an integrity verification field through a second key; and sending the encrypted file data block corresponding to the target file data block number and the encrypted data of the integrity verification field to the user, so that the user carries out decryption and integrity verification on the encrypted data, and the data integrity is determined. According to the scheme, the data security can be enhanced.

The application provides a monitoring method, device and equipment for a ufs test case and a storage medium, which are applied to a ufs verification platform, the ufs verification platform is connected to a to-be-tested device installed with ufs, the method comprises the following steps: the ufs verification platform generates at least one target instruction based on the ufs test case, sends all the target instructions to the to-be-tested device in sequence, and the to-be-tested device performs target testing based on the target instruction; the ufs verification platform writes all the target instructions and related information into a record file, wherein the related information comprises a logical unit number, a logical block address and a block number of the target instruction; the ufs verification platform generates an end signal and sends the end signal to the to-be-tested device and the record file respectively, the to-be-tested device terminates the target testing, the ufs test case is terminated, and the record file terminates writing. According to the technical scheme of the embodiment of the application, all the target instructions and related information can be recorded, so that the troubleshooting speed and efficiency of the ufs test result are improved.

The application discloses a kind of node cooperation storage methods and systems for alliance chain ledger data, method includes: for the node in alliance chain group, the performance of node is calculated and is sorted by strength, and the node of early rotation in order is used as main node;Main node will group inside transaction generation collection and package and submit to consensus network;Main node synchronously obtains new block, according to the hash data of block number, the block is determined corresponding by first mapping PG;The straw value of corresponding node is obtained by using pseudo-random hash algorithm to PG number, node ID and the weight of each node copy number;The main account book and the second mapping of sub-account book are stored to the different node of maximum straw value obtained each time. By the technical scheme of the application, the storage pressure of a single node is reduced, the storage performance of alliance chain is improved, the transaction query efficiency of block chain is improved, and the management efficiency of node and block is improved.

The invention discloses a signal delay estimation method based on block processing. The signal delay estimation method comprises the following steps: acquiring CSI (Channel State Information) data and pre-processing (validity check, noise filtering and effective index selection); blocking according to a preset block number and an overlapping proportion to obtain overlapped data blocks; a Hankel matrix and an enhancement matrix are established for each block, and a delay estimation value is obtained through singular value decomposition, subspace separation and characteristic polynomial solution; distributing weights for each estimated value in combination with signal quality evaluation; and determining a final result based on the delay estimation value and the weight information. According to the method, the large matrix is disassembled through block overlapping, the singular value decomposition complexity and storage occupation are reduced, and lightweight hardware is adapted; processing time consumption is shortened, multi-scene real-time requirements are met, the method can be operated on common equipment, and positioning deviation caused by delay is avoided.

In some implementations, a controller may detect a failure associated with data obtained, using a first physical address, from a current physical location of a non-volatile memory device. The controller may determine, based on detecting the failure, a virtual block number based on the first physical address. The controller may determine that the virtual block number identifies a garbage collection block. The controller may determine a virtual wordline of the garbage collection block. The controller may obtain, from the virtual wordline, a data log that identifies a second physical address for a previous physical location of the data. The controller may obtain, using the second physical address, the data from the previous physical location.

The invention provides a cross-domain data security isolation transmission method, and relates to a communication method. The method comprises the following steps: dividing to-be-transmitted data into a plurality of data blocks at an external network host; adding metadata to each data block; the metadata comprises a session identifier, a block serial number, a total block number and a data global integrity check value; concurrently executing security check on the plurality of data blocks; sending the data blocks passing the security check to an intranet host through a physically isolated one-way transmission channel; the received data blocks are recombined at the intranet host according to the session identifier, the block serial number and the total block number; and verifying the integrity of the recombined data based on the data global integrity verification value.

The invention provides a load balancing method for a distributed storage system, and the method comprises the steps: responding to the obtaining of a node capacity expansion instruction, and detecting whether the current capacity expansion associated information meets a preset capacity expansion condition or not; if the current capacity expansion associated information meets a predetermined capacity expansion condition, obtaining original routing information of the distributed storage system; setting a slot weight for the hash slot of each original node; based on the first number and the second number, determining the number of slot blocks after capacity expansion of the distributed storage system; based on the original routing information, the slot weight of the Hash slot of each original node and the slot block number after capacity expansion, determining capacity expansion routing information of the distributed storage system according to a preset load balancing algorithm; determining capacity expansion state metadata based on the original routing information and the capacity expansion routing information; and re-determining a node for managing the hash slot for each hash slot in the original node according to the capacity expansion state metadata. According to the scheme, the stability level of the distributed storage system facing node change is improved.

The application discloses a kind of based on distributed account book's IoT equipment use benefit right management method and system, and store the root block containing block number, internet of things equipment identification, time stamp, authority set, tenant public key and tenant signature by tenant node generation;In response to lease request, generate the first-level block containing block number, previous block hash value, time stamp, lease period, lease authority set, tenant public key and tenant signature, or by tenant in response to share request Generation of the following block containing block number, predecessor hash value, time stamp, share start end time, share authority set, sharer public key and tenant signature;The user node of request access equipment constructs authority token, which contains complete authorization chain from root block to target block and signed command message;Internet of things equipment receives token and executes hash chain verification, public key-signature chain verification and business rule verification, executes command after passing through.This way, the access permission information of the application does not have to be stored in resource party any more, but is verified by resource party with request when user access, so that user permission information and resource party are decoupled.

A method, apparatus, and computer-readable medium for implementing a consensus protocol on a block chain network, including assigning a plurality of dual-mode nodes of the block chain network to a plurality of block numbers, identifying a dual-mode node in the plurality of dual¬ mode nodes that is assigned to a next block number in the plurality of block numbers, mining, with the assigned dual-mode node, a block of one or more unconfirmed transactions on the block chain network to generate a proposed new block for addition to the block chain network, validating, with one or more non-assigned dual-mode nodes in the plurality of dual-mode nodes, the proposed new block, and minting, with the assigned dual-mode node, the proposed new block as the next block in the block chain network based at least in part on successful validation of the proposed new block by the one or more non-assigned dual-mode nodes.

The embodiment of the invention provides a data processing method and related equipment for an alliance chain, a block chain network corresponding to the alliance chain comprises a first node, the first node maintains at least one piece of state data, a trusted execution environment is deployed in the first node, and the method comprises the following steps: obtaining a state set of transaction data in a block during execution, the state set comprises a state key value pair obtained by updating each piece of state data in the transaction data execution process; performing proof generation for each state key value pair in the state set in the trusted execution environment by adopting a proof key and the block number of the block to obtain a state proof of each state key value pair, the state proof being used for proving the validity of the corresponding state key value pair; and performing associated storage on each state key value pair, the state proof of each state key value pair and the block number of the block. According to the embodiment of the invention, the state proof can be generated for the state data in the alliance chain, so that the validity of the state data in the alliance chain can be efficiently proved.

A node of a blockchain platform implements an information processing procedure and stores target data using blockchain (BC) technology. In this information processing procedure, the target data is sorted into a variety of data types, including at least delete-approved data (data that can be deleted) and delete-non-target data (data that cannot be deleted). The delete-approved and delete-non-target data are stored in association with different channels of the blockchain (BC). Block number information (BNi) is then recorded regarding the position of the expired block (BLe) in which the target data is deleted. In the verification process to confirm a manipulation of an A-channel (BCa) that stores the delete-approved data, a starting position for the verification process is determined based on the block number information (BNi).

The invention discloses a storage controller optimization method and system based on deep learning, and relates to the technical field of data management.The optimization method comprises the steps that a write-in instruction is read, logic page and physical block numbers are obtained according to an address mapping table, and a write-in behavior counting matrix is constructed in combination with a sliding time window; calculating the cumulative gradient coefficient of each physical block, screening the emphasized write-in physical block and the candidate write-in physical block, and judging whether imbalanced write-in exists or not so as to send out an optimization signal; counting the actual write-in heat value of each logic page, screening the high-heat logic pages in an ascending order, and calculating the adaptive write-in coefficient of the high-heat logic pages mapped to the original physical block; and in combination with the cumulative gradient coefficient of each physical block, mapping the high-heat logic page to the adaptive write-in coefficient of the candidate write-in physical block, comparing the adaptive write-in coefficient with the original physical block, and updating the address mapping table, so that the problem of write-in centralization and the phenomenon of life differentiation of the physical blocks in long-term operation are effectively avoided.

The application discloses a large-interval wide-angle scanning phased array antenna design method and system, and belongs to the technical field of array antenna design. The application adopts parameterized setting of block number to improve the degree of freedom of optimization. Since each block condition may exist a better solution, the block type of the region is substituted into the optimization variable, so that the final optimization result can be prevented from falling into a local optimum, and the optimal solution can be more likely obtained. The dense arrangement form of the divided region can effectively control the interval of adjacent array elements, avoid the overlapping of adjacent array elements, and improve the optimization efficiency. In addition, the regular layout is beneficial to the back-end network design, and reduces the complexity of the feed network. The dense arrangement and array element selection combination can effectively enlarge the interval, and can make the interval not appear grating lobe, thereby reducing the number of channels and reducing the cost. The array element position micro-adjustment provides more possibilities for large-angle scanning optimization, improves the optimization efficiency, and breaks the periodic arrangement form.

The embodiment of the invention discloses a garbage collection optimization method and device, electronic equipment and a storage medium, and relates to the technical field of solid state disk storage management.The method comprises the steps that Free Blocks in a solid state disk are tracked in real time through a monitoring module, and the number of free blocks Free Blocks in the solid state disk is obtained; setting four key thresholds according to the characteristics and the working load of the solid state disk, and formulating a garbage collection strategy according to the key thresholds; the key threshold values comprise low, start, mid and high; dynamically adjusting the bandwidth allocation of normal garbage collection Normal GC and forced garbage collection Force GC according to the number of Free Blocks in the solid state disk and a key threshold value; garbage collection is conducted according to bandwidth allocation, and the key threshold value is dynamically adjusted according to the running scene of the solid state disk. According to the method, the GC bandwidth is intelligently allocated according to the Free Block number threshold, and the key threshold is adaptively optimized to adapt to different scenes, so that the problems of unbalanced resource allocation, poor scene adaptability and performance reduction in the prior art are effectively solved.

The application discloses a method for automatically searching and evaluating stability of key dangerous blocks in a hydraulic tunnel, which comprises the following steps: constructing a three-dimensional model of the tunnel and automatically identifying all blocks based on a spatial topology algorithm; calculating the safety factor of the blocks by using a rigid body limit equilibrium method, and determining the blocks below a threshold value as dangerous blocks; supporting the exposed excavation surface of the dangerous blocks, calculating the safety factor after supporting, and comparing the safety factor with the threshold value; if the safety factor after supporting is still below the threshold value, adjusting the number of supporting points and repeating the calculation until the requirement is met; and finally outputting the block number, supporting parameters and sliding mode. The method can automatically identify dangerous blocks and optimize the supporting scheme, ensure that the stability of the reinforced blocks meets the requirements, and improve the intelligent level of the tunnel supporting design.

The invention provides a method for carrying out load balancing on a distributed storage system in a capacity reduction scene. The method comprises the following steps: acquiring original routing information of the distributed storage system; according to a preset slot weight setting mode, setting a slot weight for each Hash slot; determining the number of target slot blocks after the distributed storage system is subjected to capacity reduction; based on the original routing information, the slot weight of each Hash slot and the target slot block number, according to a predetermined load balancing algorithm, determining capacity-reduced routing information of the distributed storage system; based on the original routing information and the reduced-capacity routing information, determining reduced-capacity state metadata; and redistributing the hash slots managed by all the original nodes to each reserved node according to the capacity reduction state metadata. According to the technical scheme, dynamic load balancing of the distributed storage system in the capacity reduction process is achieved.

The invention relates to the technical field of data storage, in particular to a computer data storage method and system based on the Internet of Things, and the method comprises the following steps: obtaining a page block write-in operation stream set, extracting repeated numbers and operation sequences, adjusting a buffer sequence structure, aggregating attribution page block paths, and constructing a write-in distribution and node association relationship. And obtaining a data node write-in organization structure. According to the method, a priority write-in sequence is extracted through a page block number and an operation time sequence, a page block arrangement structure in a buffer area is reconstructed, page blocks with associated characteristics are aggregated into a continuous path in combination with a logic attribution relation, a centralized write-in process in a logic block is established, and a write-in distribution state is extracted through a corresponding relation between a node identifier and the page block number. A data organization structure with attribution boundaries, path connectivity and scheduling order features is generated, the local intensive degree, the structure connection capability and cooperation and coordination among cross-node paths are enhanced, and the organization of write-in paths and the consistency of data distribution structures are improved.

The invention discloses a programming method, device and equipment based on a producer-consumer model. The method comprises the following steps: packaging a production instruction of a producer for producing each data sub-block into a production function; wherein an original data block of interaction between the producer-consumer model is divided into a plurality of data sub-blocks in advance; packaging a consumption instruction of consuming each data sub-block by a consumer into a consumption function; and calling the production function and the consumption function through a scheduling function based on a preset flow line initial batch number and a batch processing sub-block number, and realizing flow line parallelism of production and consumption of the data sub-blocks. According to the technical scheme, through packaging of functions of data production and data consumption and calling of functions of parallel production and consumption, programming errors caused by human errors of programmers can be effectively reduced, the programming overhead of the programmers can be effectively reduced, and the programming efficiency is improved.

The invention discloses a data initialization and encryption writing method suitable for NAND storage equipment, and aims to avoid data exposure caused by writing plaintext data into an uninitialized block for the first time and cooperatively improve the storage life and the writing efficiency. Firstly, whether a target block is initialized or not is judged through an initialization state corresponding table when a write-in request is received, and then risk scoring is carried out according to sensitivity characteristics and white list characteristics so as to generate encryption strategies with different intensities. The key is generated by combining the unique sequence number of the block, the timestamp and the random number, and when the same data is continuously written into the same block, a change key mechanism is imported to avoid mode repetition. And establishing a multi-dimensional grading table, and dynamically selecting a target block and matching corresponding encryption strength by using parameters such as erasing times, historical sensitivity and load values to assist in decision making. On the scheduling, the writing sequence is adjusted according to the risk level so as to ensure that high-risk data is preferentially encrypted and written, low-risk data is delayed and merged, and finally the block initialization state is updated.

The invention provides a CAN (Controller Area Network) bus-based retransmittable ECU (Electronic Control Unit) software online upgrading method, which comprises the following steps of: compiling a new user program to generate a BIN file, reading the to-be-programmed BIN file by upper computer software, adding a file identification head, a file byte length and verification information to the BIN file, calculating the number of blocks of the whole file according to the size of 511 * 8 bytes transmitted by a single block, and updating the number of the blocks of the whole file according to the size of 511 * 8 bytes; the number of bytes of the last block of data, the number of CAN messages of the last block, the data verification value of the whole file and the verification value of each block of data; the BIN file is packaged into a start transmission command, a single block transmission command, a single block transmission end command and a block transmission end command after being subjected to data processing, and compared with the prior art, efficient and safe remote upgrading is realized through an innovative protocol design and a fault-tolerant mechanism on the basis of a low-cost CAN bus, so that the remote upgrading efficiency is improved. A standardized solution is provided for embedded system maintenance, and the method has a wide industrial application prospect.

The application relates to the technical field of communication device hardware management, and provides a multi-node chassis hardware state data transmission method and system based on hardware information virtualization. The method comprises the following steps: a hardware information virtualization process of a node card reads local hardware information and writes the hardware information into a partition shared memory; a sending end process packetizes information blocks according to a self-defined communication protocol, and sends the information blocks to a main control card through a point-to-point link in parallel, wherein the protocol defines a data packet structure containing a node identifier, a block serial number and a total block number; a receiving end process of the main control card receives, checks and splices the data packets in parallel; the restored information is stored into a main control card shared memory according to the node identifier; and the whole link process and data transmission are monitored, process abnormity is automatically restarted, and selective data packet retransmission is realized. The application solves the problems of dispersion in collection, non-compatibility in protocol, high transmission delay and insufficient reliability in a traditional architecture.

This application relates to a block query method, apparatus, device, and storage medium, and pertains to the field of blockchain technology, for querying a specified block from a blockchain. The method includes: obtaining a query request; the query request includes time information; the query request is used to query the block number corresponding to the time information; converting the time information into a target timestamp; determining the current block to be queried from a specified block range on the blockchain, inputting the block number of the current block to be queried into a preset remote procedure call (RPC) interface, and outputting the timestamp of the current block to be queried; if the timestamp of the current block to be queried is the same as the target timestamp, determining the block number corresponding to the time information as the block number of the current block to be queried.

Techniques are provided for atomic writes for persistent memory. In response to receiving a write operation, a new per-page structure with a new page block number is allocated. New data of the write operation is persisted to a new page of the persistent memory having the new page block number, and the new per-page structure is persisted to the persistent memory. If the write operation targets a hole after the new data and the new per-page structure have been persisted, then a new per-page structure identifier of the new per-page structure is inserted into a parent indirect page of a page comprising the new data. If the write operation targets old data after the new data and the new per-page structure have been persisted, then an old per-page structure of the old data is updated with the new page block number.

The application relates to the technical field of database backup and synchronization, in particular to a database master-slave file adaptive fast synchronization method, which comprises the following steps: performing difference evaluation based on the meta information of the database master-slave files, directly adopting a record-by-record synchronization mode if the overall difference is too large, or entering an incremental synchronization mode; the incremental synchronization identifies inconsistent blocks by comparing the check values of the data blocks and counts the number of the inconsistent blocks; the system respectively estimates the total time consumption of the two synchronization modes according to performance parameters, the total block number, the inconsistent block number and the total record number; a secondary decision is made by comparing the estimated time consumption, and the scheme with shorter time consumption is selected for execution; and the final consistency verification is performed on the master database file and the backup database file. Through the multi-layer threshold value judgment and the dynamic time consumption estimation model, the application intelligently selects the record-by-record synchronization or the block incremental synchronization strategy, guarantees the data consistency, and significantly improves the efficiency of the database master-slave file synchronization.

A storage device and an operating method of the storage device are provided. The storage device comprises a non-volatile memory including a virtual block including an L2P pair region storing a pair of a logical page number (LPN) and a physical page number (PPN) (LPN-PPN pair) and a data region storing data addressed to the PPN, a volatile memory including an L2V table storing a virtual block number (VBN) corresponding to the LPN, an L2P cache storing the LPN-PPN pair, and an LPN range map storing a portion of the LPN stored in the L2P pair region of the virtual block, and a controller configured to control the non-volatile memory and the volatile memory.

A data management method and system. The data management system stores a plurality of storage files, any i-th storage file including on-chain data with a plurality of first accounts as keys, a plurality of first transactions included in corresponding first blocks initiated by the plurality of first accounts, and on-chain data of any j-th first account indicating a plurality of second transactions initiated by the j-th first account in the plurality of first transactions and block numbers of blocks to which the second transactions belong. The data management system can obtain a first query request indicating at least a third account to be queried and a plurality of second blocks; then determine a plurality of first storage files corresponding to the plurality of second blocks from the plurality of storage files, and query on-chain data of the third account from the plurality of first storage files; and then determine a plurality of first target transactions belonging to the plurality of second blocks from a plurality of third transactions indicated by the on-chain data of the third account and block numbers of blocks to which the third transactions belong.

The application provides a data transmission method and device for disordering and interleaving, which comprises the following steps: receiving an access request sent by a master device, writing attribute information of the access request into an input queue buffer, the attribute information comprising a storage block number corresponding to a slave device in a resource pool and a storage bank number in the storage block, generating a queue code based on the attribute information; obtaining filling states of a plurality of storage blocks in the resource pool and a plurality of storage banks in each storage block, generating a resource pool code based on the filling states; performing logical operation on the queue code and the resource pool code to obtain a queue release signal, obtaining a resource release signal according to the queue release signal, and outputting data in a storage bank corresponding to the resource release signal from the resource pool. The technical scheme of the application improves the transmission efficiency of the system.