178 results about "Concurrency control" patented technology

The invention discloses a digital production plan scheduling method and system, and belongs to the technical field of optimal scheduling, and the method comprises the steps: constructing a distributed storage architecture based on edge computing nodes; a central coordinator is adopted to realize cross-node data synchronization through an improved Raft consensus algorithm, multi-version concurrency control is realized based on a vector clock, and a global consistent data view is established; a visual scheduling platform is built based on a Vue3 framework, and man-machine interaction is realized by adopting a Canvas and WebGL collaborative rendering framework; establishing a dynamic coordinate conversion model based on bilinear interpolation, designing a space mapping function containing distortion compensation, establishing a multi-thread coordinate service based on WebWorker, and realizing submillimeter-level bidirectional mapping of pixel coordinates and physical coordinates; constructing a three-dimensional space-time analysis model fused with the multi-dimensional features; and all the units are subjected to feature fusion through residual connection, and finally a scheduling scheme with a confidence coefficient weight is output. The method and the device have the effect of meeting various scheduling requirements.

The present invention discloses a modular AI-based system for knowledge instantiation and evidence synthesis, unifying five modules: Knowledge Instantiation, ingesting anchor knowledge via retrieval- augmented generation and neuromorphic prompting; Case-Based Agent Generation, orchestrating domain constraints, performance criteria, and sub-task decomposition; Secondary Epistemogenesis, spawning sub-agents with inherited heuristics; Workflow Orchestration and Evidence Synthesis, merging outputs, tracking metadata, and storing final artifacts; and Reinforcement Learning from Human Refinement, capturing feedback and edits. The method for output generation initiates by defining knowledge requirements, indexing public and proprietary knowledge, validating output structure, drafting content, and refining outputs via sub-agent spawning and human oversight. The system ensures domain alignment, concurrency control, and persistent versioning. By combining specialized knowledge sources, multi-agent concurrency, and iterative human feedback loops, it dynamically adapts to evolving knowledge requirements. This invention emphasizes reliability, traceability, and AI-driven outputs in regulated industries, delivering trustworthy outcomes anchored in expert knowledge.

The invention discloses a channel model dynamic association method based on a multi-source data index, and relates to channel engineering digital management. The channel model dynamic association method comprises the steps that component codes of channel engineering are constructed and used for identifying the same physical entity; establishing a three-layer index table structure according to the component codes; constructing a dynamic partition management mechanism of a three-level cache architecture, wherein the three-level cache architecture comprises a first-level cache stored in a memory, a second-level cache stored in a local disk and a third-level cache stored in a distributed manner; according to data access information in the three-layer index table structure, data migration is carried out among all levels of caches; according to the dynamic partition management mechanism, a data version management mechanism based on a timestamp concurrency control protocol is established, the data version management mechanism generates incremental data by comparing original data with updated data, and incremental updating or full updating is selected according to a threshold value. According to the method, the problem that data evolution tracking is difficult due to fragmentation of multi-source heterogeneous data and unbalanced access efficiency in navigation channel engineering is solved.

The invention discloses a home page multi-component parallel prefetching and rendering first screen acceleration method and device and a storage medium, and the method comprises the following steps: constructing a global dependency relationship model based on the metadata and dependency relationship of each component of a home page, and calculating the priority for each component according to a predefined priority evaluation strategy, generating a component scheduling sequence constrained by the priority and the dependency relationship; controlling a concurrency control strategy of the component; preferentially rendering a visual placeholder structure, and smoothly replacing the real content to a user visible area through a progressive rendering replacement strategy; when the variable quantity of the component data exceeds a preset threshold value, triggering an increment updating strategy based on the difference content; generating a cache identifier according to component granularity, reading and writing data in a multi-level cache structure based on the cache identifier, and ensuring data consistency by adopting a background asynchronous verification strategy; and collecting performance indexes in a page rendering process, and adjusting the priority evaluation strategy, the concurrency control strategy and the increment updating strategy according to the performance indexes.

The invention provides a multi-modal large model question and answer evaluation system based on a unified platform and benchmark. The system comprises a visual question and answer evaluation platform, a question and answer benchmark based on a unified capability framework and an evaluation strategy based on a large language model. The visual question and answer evaluation platform is a unified platform which is based on concurrency control and supports multi-modal data; the systematic evaluation of the model performance is realized through a standardized data structure and task design according to the homemade question and answer benchmark; the evaluation strategy scores the answers based on multiple independent scores and a semantic comparison mechanism. According to the method, efficient task scheduling and stable performance expression are realized, and the requirements of a high-load evaluation scene can be met; systematic evaluation of different model performances is realized, and all core capabilities required by questions and answers of owners are covered. And the answers are scored based on multiple independent scoring and a semantic comparison mechanism, so that the scoring accuracy and consistency are improved, and the limitation of a traditional evaluation method in processing complex answers is overcome.

The invention relates to a visual component management method and system based on support of multi-user collaboration, and belongs to the technical field of computer software collaborative design. Wherein multi-party editing requests are received and verified through a cooperative access mechanism, structured component data are constructed by using a component modeling model, concurrent control and a difference buffer are adopted to coordinate parallel modification, write conflicts are identified and processed based on a conflict detection algorithm, and traceable management of component versions is realized through a snapshot generation model. According to the method, efficient, consistent and conflict-controllable unified management of the visual components in a multi-person online cooperation scene is realized, and the cooperation efficiency of component development and the system reliability are effectively improved.

The invention discloses a concurrency control method and device, electronic equipment, a storage medium and a product. The method is applied to a concurrency control system comprising a processor and a bus controller, and comprises the steps that the processor responds to an atomic operation request of a target thread and sequentially sends a storage area switching instruction and a register operation instruction to the bus controller; the bus controller responds to the storage area switching instruction and the register operation instruction, executes storage area switching operation, generates a bus occupation maintaining signal and continuously executes register read-write operation in a target storage area; the processor sends a scheduling request to an operating system, so that the operating system improves the priority of the target thread to be a first priority; and the bus controller generates a bus release signal after the atomic operation of the target thread is finished. According to the scheme, through cooperation of the processor and the bus controller, atomized execution of thread Bank switching and register reading and writing is achieved, and the concurrency performance is improved while the reliability and consistency of data are ensured.

The invention discloses a system and a method for supporting multi-version concurrency control in a column storage database, belongs to the technical field of databases, and aims to solve the technical problem of how to provide efficient and flexible concurrency control and data operation management. Comprising a multi-version management module for creating a transaction ID and a timestamp for each transaction and maintaining a version linked list for each data segment in a column storage database; the operation optimization module is used for performing data operation on the data in the column storage database based on the submitted transaction, performing operation according to a comparison result of a version number and a transaction timestamp when the data operation is executed, and storing the data before modification into a revocation buffer area; the transaction conflict processing module is used for detecting and processing transaction conflicts based on a preset conflict processing rule; the storage space management module divides the storage of the column storage database into table storage and local storage; and the version linked list management module is used for deleting the version information which is no longer referenced by any active transaction based on the transaction state and the version information.

The invention provides a linkage control method and system for computer auxiliary equipment, and the method comprises the steps: generating an equipment linkage control instruction sequence through prediction probability distribution, managing a multi-equipment concurrency control request through a priority queue, and dynamically adjusting an instruction execution sequence according to the equipment response time and the resource occupation condition, if the response time of the equipment exceeds a preset delay threshold value, reducing the linkage priority of the equipment and activating standby equipment; and adjusting equipment linkage strategy parameters according to a model updating result, adopting an adaptive threshold mechanism to optimize a prediction trigger condition, calculating a user satisfaction index through a moving average algorithm, and if the satisfaction is lower than a reference value, backtracking and analyzing operation sequence features and recalibrating personalized operation habit model parameters.

The invention provides a communication optimization method for topological table persistent storage in efficient parallel computing, belongs to the technical field of storage communication, and aims to avoid pseudo sharing by aligning memory allocation through cache lines, expand local topological coverage through a topological entropy increment driven prefetching mechanism, and improve the reliability of the topological table persistent storage. Boundary processing is accelerated through a pre-calculation period mapping lookup table and a frequency domain transfer function vector, synchronization overhead is optimized through a concurrency control mechanism perceived by a read-write ratio, targeted cache preloading is achieved through stability and jitter degree two-dimensional evaluation, bandwidth consumption is reduced through an increment synchronization mechanism, and the stability of the cache is improved. The communication template is selected or the communication parameters are generated through adaptive conversion by matching the matching degree decision, and the technical problem that the parallel computing performance is reduced due to the fact that the communication overhead is too large in the topological table persistent storage process is solved.

The invention discloses an NUMA (Non Uniform Memory Access) architecture perceived high-scalability learning index construction method and system and an operation method. According to the construction method, a mixed node tree structure is adopted to organize data, the structure comprises internal nodes accurately searched by a linear model and leaf nodes for storing data, the leaf nodes are composed of ordered gap nodes and segment nodes, and the segment nodes support dynamic evolution from an ordered stage to a semi-ordered stage based on data density. Conflict data is managed using hierarchical benchmark buckets. According to the system, a self-adaptive node evolution mechanism based on an operation cost model is realized, index performance is optimized through node reconstruction triggered by foreground write operation and background hot and cold node compression, a multi-thread concurrency control strategy is adopted, and a memory management and thread scheduling framework perceived by NUMA is adopted. The operation method provides an efficient point query and point insertion operation process. The data layout can be dynamically optimized, the operation cost is reduced, and the method is suitable for high-performance database and memory management scenes.

The invention provides a storage device, a storage method and a storage access method based on lake and warehouse integration. The storage device comprises a storage management unit, a unified metadata management unit and a federal query engine unit, the storage management unit is used for realizing hybrid storage and dynamic hierarchical storage; the unified metadata management unit is used for metadata atlas construction, concurrency control and GDPR compliance support; the federal query engine is used for intelligent routing decision, SQL dialect unification and intelligent push-down optimization; based on a lake and warehouse integrated storage device and an access technology thereof, unified management of structured and unstructured data is supported, the problem of data islands is avoided, and cross-engine data visibility is realized through unified metadata management; according to the lake and warehouse integrated storage device and the access method, technologies such as a dynamic hierarchical storage strategy, intelligent routing decision, intelligent push-down optimization and the like are fused, and the storage and access efficiency and the robustness of the system are greatly improved.

The invention relates to the technical field of retail management, in particular to a retail end online management method and system based on concurrency control, and the method comprises the steps: constructing a retail knowledge graph based on historical transaction logs through employing a space-time interaction entropy weighting algorithm; calculating a local topology edge density increment by applying a streaming dense subgraph increment mining algorithm, and determining a topology aggregation state of a target node; if the state is the mixed concurrent state, constructing an inventory time slice mirror image containing a reference inventory domain and a dynamic increment domain; and writing the request into the lock-free annular buffer during checking, and merging data by adopting a time sequence alignment algorithm after checking to carry out atomized updating. According to the method, static inventory and dynamic sales are physically isolated by constructing the inventory time slice mirroring and lock-free buffer mechanism, the read-write conflict in the scene of inventory while sales is solved, and zero-blocking hybrid concurrence is realized while the final consistency of inventory data is guaranteed.

The invention discloses a report generation agent method, system and device driven by a large language model and a medium, and the method comprises the steps: constructing an agent execution framework independent of a native interface, outputting a decision through a cue word constraint model in a JSON structure, and scheduling a local tool function; analyzing the reference data and constructing a local vector knowledge base supporting semantic retrieval; the intelligent agent autonomously plans and generates a report directory structure based on a local vector knowledge base, stores the report directory structure as a structured intermediate file as a persistent intermediate representation, generates chapter content in parallel by utilizing a concurrent flow control and exponential backoff retry mechanism and combining a mixed retrieval strategy, and serializes and updates the chapter content to the intermediate file in real time; and finally, converting the intermediate file into a target format report according to a mapping rule. The system, the equipment and the medium are used for implementing the method. According to the method, the efficiency and the accuracy of complex report generation are remarkably improved through agent whole-process autonomous driving and combination of persistent intermediate representation, retrieval enhancement and concurrency control technologies.

The invention provides a database concurrency control and memory access optimization method which can be applied to the technical field of computer system software performance optimization. According to the method, multi-level instruction-level reconstruction is carried out on an execution path of a database kernel through the characteristics of an underlying hardware instruction set of a collaborative application processor platform, and the method comprises the following collaborative implementation optimization dimensions: based on a register file and a cache hierarchical structure of the processor platform, an access mode of a database core data structure is optimized; the number of memory access instructions is reduced; the data locality is improved; on the basis of atomic instruction set extension of a processor platform, instruction-level reconstruction is carried out on key primitives in a database multi-thread synchronization mechanism so as to reduce the overhead and contention of synchronization operation; on the basis of single-instruction multi-data-stream extension of a processor platform and a vector atomic operation instruction of the single-instruction multi-data-stream extension, parallel acceleration is carried out on batch life cycle management operation of objects in a database.

The invention discloses an AI policy consultation database and an AI consultation method, and belongs to the technical field of artificial intelligence and government affair information services. The invention aims to solve the problems of unreliable information source, large semantic understanding deviation and low policy matching accuracy of the existing general AI tool in the field of policy consultation. According to the technical scheme, the method comprises the steps that a multi-level, multi-dimension and versioning management policy database is constructed, and entity version snapshots and a multi-version concurrency control (MVCC) mechanism are adopted to process time sequence conflicts caused by policy revision; the retrieved trusted policy text and an original query request of a user are integrated into an enhanced Prompt (Augmented Prompt); and receiving and analyzing a preliminary conclusion returned by the LLM, and generating a standardized policy consultation report containing a structured table and attachments by using a natural language generation (NLG) and chapter structure analysis technology. And the accuracy, timeliness and reliability of policy consultation are remarkably improved.

The invention provides a transaction data processing method and device, electronic equipment and a storage medium. The method comprises the following steps: acquiring the market information of an electric power spot market in a current period, declaration strategies of a plurality of users and execution return in a previous period; performing priority ranking on the users based on the strategy and the market information to obtain a ranked user sequence; obtaining a target order of the user based on a standard price determined by the market information and the strategy, a price change step length and a transaction electric quantity in the strategy and the user sequence; carrying out comparison processing on the target order and the hung order executing the return to obtain a comparison result; and generating an order execution operation in the current period based on the comparison result, the target order and the hung order. According to the method, aggregation and account-level concurrency control in a period can be realized, so that stable throughput and low jitter can be kept under multiple parallel users, and high concurrency stability in a transaction data processing process is improved.

The invention provides an image tile service elastic concurrency control method and system under bandwidth constraint, and relates to the technical field of communication networks, and the method comprises the steps: inputting the collected actual bandwidth data of an image tile service into a preset time sequence prediction model, and outputting a future bandwidth use prediction value; determining a bandwidth utilization rate and a bandwidth early warning level in combination with a preset fixed exit bandwidth threshold value; when an access request is received and the bandwidth early warning level exceeds a preset early warning level, if the target image tile does not belong to the high-frequency tile set, returning the target image tile data with the original quality to the client; and otherwise, adjusting the image coding parameter of the target image tile, generating temporary tile data after quality reduction and compression, and returning the temporary tile data to the client. By implementing the method, the image browsing quality of the user can be maximized in the bandwidth unsaturated state while the high concurrency connectivity of the service is guaranteed.

The invention relates to a cross-domain large file transmission method and device based on dynamic fragmentation. The invention aims to solve the problems of maximum capacity limitation, network instability, security and the like in the cross-domain transmission process of large files. According to the method, efficient and safe transmission of large files is realized by dynamically adjusting fragment size parameters and combining encryption transmission, breakpoint resume and multi-task concurrency control technologies.

The invention discloses an unstructured document multi-modal analysis and semantic metadata deep extraction method and system based on multi-agent collaboration. The method comprises the steps that multi-modal elements such as texts, images and tables are extracted in parallel through a multi-format unified analysis engine; a four-agent (table structure analysis, multi-modal image analysis, semantic text understanding and metadata extraction) collaborative architecture is adopted, and task decomposition, asynchronous scheduling and result fusion are realized based on a multi-agent collaborative scheduling algorithm; the performance is improved by combining dynamic concurrency control, memory optimization and an intelligent cache mechanism; and finally generating structured output. The system integrates the modules and supports micro-service architecture and stability guarantee. According to the method, multi-modal deep semantic understanding is achieved, the processing efficiency is improved by 3-5 times compared with that of a traditional method, the text / table analysis precision reaches 98% and 95% respectively, localized efficient processing and incremental updating are supported, and a high-quality data source is provided for enterprise knowledge management and content retrieval.

The invention provides an offshore wind power plant heterogeneous data lake snapshot integration method supporting dynamic backtracking, and aims to solve the problems of high operation and maintenance cost, inconsistent mass real-time data access and low historical backtracking efficiency caused by the fact that an existing Lambda architecture needs to maintain double computing engines. And constructing an incremental snapshot chain to support efficient data version backtracking. Specifically, the method comprises the following steps: designing a dynamic snapshot generation module based on time window division, and converting real-time streaming data into traceable continuous snapshot segments; a multi-version concurrency control engine is developed, and ACID transaction overhead is reduced through column type differential storage; meanwhile, a dynamic metadata sensing layer is established, a backward compatible mapping rule is automatically generated when a data mode is changed, and continuous and stable operation of a calculation engine is guaranteed; according to the method, the operation and maintenance complexity of the offshore wind power plant data lake is remarkably reduced, efficient integration of heterogeneous data and accurate backtracking of historical states are realized, and the data availability of fan fault diagnosis is effectively improved.

The invention discloses a shared resource access method and device, equipment, a medium and a product, and relates to the technical field of efficient concurrency control and resource management in a computer system.The shared resource access method and device adopt a mixed structure combining a lock-free annular queue and a double-end queue, queue data are analyzed through a load prediction unit, and the load trend is predicted; the queue capacity and the migration threshold value are dynamically adjusted; the lock-free annular queue is preferentially used in daily life to improve the access efficiency, and when the queue is close to the capacity upper limit or triggers the migration threshold, migration and capacity expansion of waiting coroutines are automatically realized through the double-end queue, so that the processing performance under high concurrency is ensured, and the dynamic capacity requirement is met; finally, the technical problems that the performance and the capacity of a single queue are difficult to consider in a high-concurrency scene and the single queue cannot adapt to a dynamic load are solved, and efficient scheduling of shared resources in a coroutine environment is realized.

The invention relates to the field of data access, and particularly provides an MPT-based block chain database system, a data access method, a terminal and a medium, the system comprises a native MPT storage engine used for realizing an MPT node structure in a disk and a memory, and the node structure comprises branch nodes, extension nodes and leaf nodes; the asynchronous I / O module is used for realizing non-blocking disk operation based on Linux iouring; the file system bypass module is used for supporting direct access to the block device; the versioning concurrency control module is used for realizing lock-free reading through an immutable Trie structure and atomic pointer updating; and the dynamic compression module is used for dynamically adjusting a historical data retention strategy according to the disk space utilization rate. The MPT structure storage engine is realized, basic data support is provided for a high-performance block chain system, serialization overhead is eliminated, and storage efficiency is improved.

The invention discloses a downlink message flood peak processing method and device, electronic equipment, a storage medium and a program product. The method comprises the following steps: receiving a downlink message, and extracting a token from an instruction board; if the token is successfully extracted, calling an associated accounting system to process the downlink message in real time, and returning the token; and if the token extraction is not successful, pushing the downlink message to an instruction message queue, and polling the instruction message queue in real time by adopting an asynchronous task so as to buffer the downlink message stored in the instruction message queue. According to the technical scheme provided by the embodiment of the invention, the instruction board and the instruction message queue are introduced to carry out concurrency control, and the downlink message is processed in a mode of combining real-time processing and buffer processing, so that the downlink message processing efficiency is improved.

The invention discloses a hot switching transaction scheduling execution method oriented to a two-stage concurrent block chain. The hot switching transaction scheduling execution method comprises hot switching scheduling based on load characteristics and a self-adaptive concurrent protocol oriented to hot switching. Firstly, based on a multi-arm bandit model, according to current load characteristics, a concurrency control protocol selected by execution nodes is dynamically switched; secondly, in order to realize hot switching of a concurrency control protocol, a multi-version data management and write intention mechanism is added on the basis of a traditional concurrency protocol: an execution node executes a transaction by using an optimistic concurrency protocol under the condition of low conflict load, and broadcasts a write intention that a write set is not submitted to other nodes; a pessimistic concurrency protocol is used to execute a transaction under a high conflict load condition, and whether a write intention of an unsubmitted block with a lower block height exists or not is checked in advance, so that the consistency of state data is prevented from being damaged by dirty reading. According to the method, fairness, high efficiency and self-adaptability of the block chain system are considered, the transaction abortion rate under the dynamic load is remarkably reduced, and the overall throughput of the system is improved.

The application relates to the technical field of flexible direct current power transmission, and particularly provides a lightweight real-time memory database transaction concurrent control method and device, which comprises the following steps: S101. Classifying to-be-processed transactions through cluster analysis to determine the cluster to which the to-be-processed transactions belong; S102. Obtaining a transaction lock corresponding to the to-be-processed transaction in the cluster to which the to-be-processed transaction belongs and a data lock called by the to-be-processed transaction, and executing S103 under the condition that the acquisition state is successful; S103. Conflict verification is performed on the to-be-processed transaction, if there is a conflict, the to-be-processed transaction is prevented, otherwise, the to-be-processed transaction is executed. The technical scheme provided by the application meets the demand of high-efficiency access of Internet of Things data and improves the transaction execution performance of the real-time memory database.

A database system implementing a concurrency control protocol is provided. The database system includes a node connected through a network to a client; the node comprises: a storage for storing a plurality of data cells; one or more processors; and a memory, the memory containing instructions that, when executed by the one or more processors, configure the node to: receive at least one non-commit statement that is part of a transaction; execute locally tasks included in each of the at least one received statement in an optimistic manner allowing statements of other transactions to independently access same data cells in the database system being modified by tasks of the at least one received statement; and return the client an acknowledgment that the transaction is committed, the acknowledgment is returned upon validation of the transaction, wherein the transaction is validated in a pessimistic manner.

The application provides a globally serializable multi-database transaction control method and system, comprising the following steps: an application service registers multi-database transaction processing logic to a shim layer; a multi-database transaction request initiated by a client is received, and the shim layer intercepts and starts a global transaction of the multi-database transaction; the shim layer executes a sub-transaction request of the multi-database transaction according to the multi-database transaction processing logic; the global transaction is submitted to a two-phase commit coordinator, and an execution result of the multi-database transaction request is returned to the client. The application provides atomicity, durability and global serializability guarantee for the multi-database transaction; based on the shim layer, the concurrent control of the existing database system is reused, and the application can be seamlessly integrated into the existing application; the transaction coordination overhead is low, and the application is suitable for a high concurrency environment; the distributed transaction control has good ACID characteristics; the application does not depend on a specific service implementation platform; the application has low invasiveness, and the transaction control does not affect the writing of normal business code.

The invention discloses an LED lamp driving control method based on broadband power line carrier communication and a controller, and relates to the technical field of intelligent lighting control. By dynamically selecting the anti-interference subcarriers and combining adaptive modulation, CRC (cyclic redundancy check) and MMSE (minimum mean square error) equalization algorithms, channel sensing communication is realized, and the bit error rate is reduced; pWM and analog dimming weights are dynamically distributed by using an LSTM network and a sparrow optimization algorithm, so that the dimming efficiency and accuracy are improved; driving signals are calibrated in real time through PID closed-loop control, multi-parameter fusion diagnosis and OTA remote repair are combined, and the fault prediction accuracy is improved; the method supports multi-node high-concurrency control, improves the signal injection efficiency, reduces the comprehensive energy efficiency, is suitable for scenes of smart home, industrial lighting and the like, and remarkably improves the system reliability and the user experience.

The invention discloses a distributed block storage-oriented metadata request concurrency control method and system, and the method comprises the steps: firstly, carrying out the grouping of metadata according to the attribute information and business logic information of the metadata of a distributed block storage system; a metadata structure tree is established based on business logic information between root nodes of the sub-level tree structures obtained through grouping, then a tree-shaped lock mechanism is constructed based on the metadata structure tree, and fine-grained lock management is achieved; the method comprises the following steps: creating a transaction ID for a request for a time point and an RPC request type of each user RPC request, analyzing the user RPC request corresponding to each transaction ID, determining a specific node required to be processed by the request, then starting from a general control node of a tree lock, traversing all related root node paths downwards, and carrying out locking operation step by step. The availability of the metadata service is ensured, the requests on different sub-trees are allowed to be executed concurrently due to the fine-grained characteristic of the tree lock, and the concurrency and throughput of the metadata service are improved.