16results about How to "Avoid preemption" patented technology

The invention discloses a multi-bus decoupling distributed embedded hardware rendering architecture, system and method, and relates to the technical field of ultra-high-definition video hardware processing, and the key points of the technical scheme are that the architecture comprises a multi-bus decoupling module which comprises a plurality of hardware buses which are physically isolated from one another, each hardware bus is an exclusive hardware transmission link bearing a single-type manufacturing task; the modular processing unit is an independent hardware board card and is integrated with an external signal input port, an upstream bus signal input port and a downstream bus signal output port; the plurality of modular processing units are cascaded in sequence through a hardware bus in the multi-bus decoupling module to form a distributed assembly line rendering link; when the modular processing units are newly added, the signal processing capability and the rendering synthesis capability are linearly improved along with the increase of the number of the modular processing units. According to the invention, the problem of performance bottleneck of the traditional architecture in processing 4K / 8K ultra-high-definition and multichannel rendering is fundamentally solved.

The invention provides an upgrade package downloading control method and device, computer equipment and a storage medium, and the method comprises the steps: responding to a downloading condition meeting a firmware upgrade package, and determining a first working scene of a vehicle based on first state data of the vehicle; according to a first working scene of the vehicle, selecting a first downloading resource scheduling strategy under the first working scene for the vehicle; according to the first downloading resource scheduling strategy, scheduling system resources to download a firmware upgrade package; and in the process that the vehicle downloads the firmware upgrade package, when the vehicle is switched to a second working scene, switching the first downloading resource scheduling strategy to a second downloading resource scheduling strategy.

The invention relates to the technical field of automatic driving, in particular to an open type automatic driving safety management system and method supporting multi-benefit-party strategy arbitration, and the system comprises an open type safety strategy interface module which is used for defining a standardized strategy description specification; the strategy plug-in management module is used for receiving and loading the strategy plug-ins conforming to the strategy description specifications; the perception and fusion module is used for collecting the vehicle state data, the environment perception data and the service context data and fusing the data to generate a unified context model; the multi-strategy evaluation module is used for screening a candidate strategy set according to a unified context model and a trigger condition when an abnormal event is detected, and evaluating and selecting an optimal strategy; and the strategy execution and monitoring module is used for executing the action template corresponding to the optimal strategy. According to the invention, the automatic driving vehicle can select adaptive degradation strategies according to different operation scenes and business requirements, and the adaptability of the system to diversified business scenes is improved.

The application relates to an MQTT protocol sensing access verification method, which comprises the following steps: receiving a connection request initiated by a client, and analyzing a CONNECT message in the connection request to obtain a plurality of parameter fields, wherein the parameter fields comprise protocol version information, a client identifier, a username, a keep-alive time and an MQTT5.0 attribute field; based on a preset policy set organized according to tenants, performing rule matching and parameter consistency verification on the parameter fields; when any verification result does not satisfy a condition preset by a corresponding policy, generating a corresponding rejection reason code and a hit policy identifier, and rejecting the connection request before an MQTT session is formally established; and when all verification results satisfy the policy requirements, allowing the MQTT session to be established. Through the application, the problem of insufficient access security of the MQTT protocol is solved, protocol semantic level verification is performed before the MQTT session is established, invalid connections are blocked, and application layer attacks are prevented.

The invention discloses a lanthanum-enhanced fluorine removal agent and a production and recovery method and application thereof, and belongs to the technical field of industrial wastewater treatment.The lanthanum-enhanced fluorine removal agent takes cellulosic fibers as an adhesive, alkaline earth metal salt inorganic powder as a basic adsorption component, and a compound of rare earth element lanthanum is additionally added as an active ingredient; the production process comprises three steps of mixing and stirring, forming and drying. The fluorine-containing wastewater is contacted with the fluorine removal agent, alkaline earth metal reacts with fluorine to generate insoluble fluoride, lanthanum compounds synchronously form a stable fluorine-lanthanum complex, and the fluorine ion concentration is reduced to 5 mg or below under the dual action; during fluorine recovery, a formed body adsorbing fluorine is separated, and a high-purity alkaline earth metal fluoride and lanthanum oxide mixed product is obtained after drying, sintering and cellulose removal, so that collaborative recovery of fluorine and rare earth resources is realized; the fluorine removal agent is good in raw material compatibility, controllable in preparation cost, high in fluorine removal efficiency and recovery rate and suitable for various fluorine-containing industrial wastewater treatment scenes.

The present application relates to the technical field of composite defluorination agent, in particular to a composite defluorination agent for semiconductor wastewater, a preparation method and application thereof. The preparation raw materials of the composite defluorination agent include modified activated carbon powder of aluminum chloride, calcium salt, polyaluminum chloride and flocculation synergist. The present application modifies the aluminum chloride and the activated carbon to form a bifunctional powder of chemical chelation and physical adsorption, and meanwhile, the calcium chloride and calcium hydroxide are compounded to form a calcium salt. The calcium salt quickly generates a difficultly soluble fluoride precipitate with the fluoride ion, and the modified activated carbon powder precisely adsorbs the remaining free fluoride ion, thereby solving the problem of incomplete defluorination of a single defluorination agent and poor treatment effect of low-concentration fluorine-containing wastewater. The potassium hexametaphosphate complex wastewater interference ion avoids stealing the defluorination site; the ATMP inhibits the calcium salt from scaling and stabilizes the fluoride precipitate; and the polyhydroxy complex bridged between the precipitate particles and the adsorbent formed by the hydrolysis of the polyaluminum chloride solves the problems of defluorination efficiency decay and slow sludge settling under complex water quality.

According to the dynamic trajectory generation method and device provided by the invention, after the power-on instruction is received, the conventional application is started through the first communication interface, the rapid application is started through the second communication interface, and the applications started by the first communication interface and the second communication interface can be exchanged according to the application scene, so that the dynamic trajectory generation efficiency is improved. Therefore, system starting resources are separated from resources needing to quickly start the application, part of hardware resources are started preferentially, the problem of resource preemption in the system starting process is avoided, the received vehicle body data can be processed based on the quick start application, and compared with reversing related functions in the prior art, only a single communication interface is arranged, and the system starting efficiency is improved. According to the technical scheme, through a software and hardware combination method, quick response and presentation of a dynamic track function can be realized with a low-workload, low-cost, simpler and more stable method, so that auxiliary picture functions such as quick backing-up and backing-up dynamic track line adding are realized.

The invention discloses a game developer tool operation method and device, equipment and a storage medium, and is applied to the field of computer programs. The method is executed by a game developer tool, and the game developer tool comprises a game engine process, a game editing interface process and a game resource processing process during running. The method comprises the following steps: in response to an operation of opening a game development file received in a game developer tool, transmitting game resource data corresponding to the game development file to a game engine process by a game resource processing process; the game engine process performs rendering according to the game resource data to obtain a rendering result corresponding to the game development file; and the game editing interface process displays a game developer interface corresponding to the game development file according to the rendering result. The method can improve the stability of a game developer tool.

The embodiment of the present disclosure provides a method and device for hot migration of a virtual machine, the method comprising: in response to a hot migration operation of a virtual machine on a client side, adjusting an interception switch for intercepting a sleep instruction to an on state, the sleep instruction being used to switch a virtual central processing unit VCPU thread running in the virtual machine to a sleep state on the client side; if a sleep instruction for a target VCPU thread is received, intercepting the sleep instruction; wherein the target VCPU thread is any one of a plurality of VCPU threads running in the virtual machine; exiting the target VCPU thread from the client side to the host side, switching the target VCPU thread to a sleep state on the host side; and controlling the hot migration thread to occupy the CPU resources of the target VCPU thread through a scheduler on the host side to perform hot migration of the virtual machine. The present application can prevent the migration thread from affecting the performance of the virtual machine.

The invention relates to the technical field of data processing, in particular to an agricultural equipment sales-oriented full-process business management and analysis system, which comprises a time sequence feature analysis module configured to generate a trend amplification coefficient according to a matching relationship between current time and a preset farming time window, and weight historical sales volume data based on the trend amplification coefficient to obtain a weighted historical sales volume; outputting a dynamic safe water level line; the bimodal arbitration module is configured to compare the current available stock with the dynamic safety water line in real time; a sequence distribution mechanism or a weight filtering mechanism is activated; and the data consistency guarantee module is configured to respond to the allocation of the resource locking authority, generate a temporary token in a memory, and asynchronously trigger data synchronization aiming at the database. According to the method, the problems of resource mismatching and concurrent deadlock under the seasonal pulse demand are solved through the time sequence dynamic water level and bimodal arbitration.

The application relates to the technical field of data communication, and particularly provides a data communication method and system based on an intelligent fusion terminal and a medium, the method comprising the following steps: a network management module uniformly manages network interfaces of the intelligent fusion terminal; a channel management module receives a channel registration request of a service module, dynamically allocates a new channel, and sends new channel information to the service module, wherein the channel registration request carries channel control parameters; the channel management module receives a channel deregistration request or a channel change request sent by the service module, checks the service module initiating the request, and executes corresponding channel deregistration or channel change operations; and an encryption management module selects an encryption mode of data forwarding according to the channel control parameters when data is forwarded, and encrypts the forwarded data. Network resources on the fusion terminal are uniformly managed and allocated, and the network resource competition problem caused after the marketing concentrator and the distribution network TTU device are fused is effectively solved.

The invention discloses a resource guarantee method, device and equipment, a storage medium and a program product, and the method comprises the steps: receiving first information sent by a terminal, the first information being used for requesting a cloud platform resource management and control system to create a virtual private resource pool based on one or more first virtual machines; creating the virtual private resource pool for the terminal based on the first information, and creating one or more first virtual camping instances with the same specification and size as the one or more first virtual machines in the virtual private resource pool; and establishing an association relationship between the one or more first virtual machines and the one or more first virtual camping instances, and establishing an affiliation relationship among a target user identifier corresponding to the terminal, the virtual private resource pool and the one or more first virtual camping instances.

The invention provides a thread locking method and related equipment, and the method comprises the steps: setting a first structure body of a mutual exclusion lock according to first identification information under the condition that a first thread holds the mutual exclusion lock of a target resource, and obtaining a first feature value; under the condition that the second thread requests to access the target resource, determining the current state of the mutual exclusion lock; when the current state represents that the mutex lock is occupied, calling the first characteristic value to a kernel space of the operating system, and controlling the second thread to enter the kernel space; in the kernel space, comparing the second priority of the second thread with the first priority; when the comparison result is that the second priority is greater than the first priority, increasing the first priority; and when it is detected that the first thread releases the mutual exclusion lock, controlling the second thread to occupy the mutual exclusion lock. By means of the method, priority inversion can be avoided when threads with high priorities wait for exclusive resources, and the task execution efficiency is improved.

The invention discloses an SATA (Serial Advanced Technology Attachment) bus anomaly detection method, system and device for local cache of an edge gateway, and relates to the technical field of edge computing and bus detection. According to the SATA bus anomaly detection method for the local cache of the edge gateway, the time sequence offset characteristic in the SATA bus link establishment stage and the statistical distribution characteristic in the data transmission stage are obtained, the health degree is calculated in a fusion mode and filtered, the protection priority is determined in combination with the data importance level and the service load, the cache writing strategy is matched, and the SATA bus anomaly detection method for the local cache of the edge gateway is achieved. According to the method, the characteristics of the SATA bus link establishment stage and the data transmission stage are obtained, a related model is constructed, the bus health degree is calculated in a fusion mode, and the adaptive cache protection strategy is matched, so that the safety of the SATA bus link establishment and data transmission stage is improved, and the safety of the SATA bus link establishment and data transmission stage is improved. Accurate detection of bus abnormity is realized, and security of local cache data of the edge gateway is guaranteed.

This invention discloses a multi-terminal collaborative remote exhibition load balancing method and system, belonging to the field of multi-terminal collaborative technology. The method includes: obtaining parameter configurations adapted to the scenario based on the requirements of the remote exhibition scenario and the access types of multiple terminals; performing preliminary verification based on the parameter configurations and the data collection requirements of multiple terminals to obtain four-dimensional raw data; performing temporal causal attention fusion processing based on the four-dimensional raw data and the causal logic of the remote exhibition scenario to obtain causal fusion features and user resource demand confidence; and obtaining a multi-terminal collaborative remote exhibition load balancing scheme based on the causal fusion features, user resource demand confidence, and global scheduling objectives. This invention iteratively obtains a multi-terminal collaborative remote exhibition load balancing scheme by completing operations such as decision scheduling, resource management, robust anti-interference, and closed-loop optimization, effectively achieving fair scheduling among users and load balancing of edge nodes.

The invention discloses a semantic distributed lock implementation method and system based on a database, belongs to the technical field of database kernel extension, and is used for solving the technical problem that an existing distributed lock scheme cannot provide more comprehensive and efficient distributed lock processing capacity for a PostgreSQL ecosystem on the premise that third-party middleware is not introduced. The method comprises the following steps of: creating a lock element data table in a PostgreSQL (Structured Query Language) database; developing a C extension module, and packaging a request lock function and a release lock function in the PostgreSQL kernel into a C function interface; constructing parameters of a request lock function and a release lock function according to the lock element data table; constructing a lock mode conversion interface, and configuring a lock mode conversion rule in the lock mode conversion interface to realize conversion between an original lock mode and a new lock mode; and configuring an overtime timer for a request lock interface and a lock mode conversion interface of the PostgreSQL database, and setting the maximum waiting time of the overtime timer.