The invention discloses a python-based application multi-thread operation optimization method. The method comprises the following steps that firstly, a threading module of python is imported; secondly, a thread inherited to the threading module is created, a .run() function of the thread is rewritten, and a long-running operation in an original main program is packaged in the thread again; thirdly, a thread pool used for storing the running thread is created at a main entrance of a program, and the data structure of the thread pool is a list; fourthly, the content is deleted in the place wherethe long-running operation is originally called, the packaged thread is called, and a .start ()function is used for starting a specified thread; fifthly, a wx.CallAfter module is called in the specified thread to return data of a server to the main program. According to the method, multiple program operations can be carried out at the same time, and the program can be effectively prevented from entering a fake halt state.

Python-based application multi-thread operation optimization method

The embodiment of the invention provides a flow-based pressure testing method and device. The method comprises the following steps: receiving a pressure test task in a thread pool; allocating multipleworker threads in the thread pool; splitting the pressure test task into multiple test subtasks; and respectively distributing the multiple test subtasks to multiple worker threads to establish a connection with a pressure test object, generating a multimedia data stream, and transmitting the multimedia data stream to the pressure test object through the connection. According to the flow-based pressure testing method provided by the invention, on one hand, multimedia data streams with different requirements (such as code rate) can be simulated, and files are not needed to be read, so that theoccupation of resources such as a CPU and a memory and the like is reduced, and the efficiency is higher; and on the other hand, any number of connections can be created, multiple user access scenescan be simulated, test data statistics is facilitated, and performance indexes can be output.

Flow-based pressure testing method and device

The invention relates to a method for simulating multiple threads with a single thread. The method includes the following steps that 1, a simulation thread pool is created and initialized so as to store simulation threads; 2, a number of new simulation threads are created and registered, and the new simulation threads are registered into the simulation thread pool; 3, all the simulation threads in the simulation thread pool are subjected to traversal, and an execution identification thread.flag of each simulation thread is judged, if the result is true, the step 4 is executed, and if not, the execution identification of the next simulation thread is judged; 4, the operation strategy of each simulation thread is judged, and according to the simulation thread obtained through the judgment, each simulation thread is executed; 5, after the execution is completed, the step 3 is executed until all the simulation threads in the simulation thread pool are judged. The method can make better use of MCU resources and performance and optimize program processing logic.

Method for simulating multiple threads with single thread

The invention relates to the technical field of telemedicine, and provides a low-delay operation demonstration live broadcast method and system. The system comprises an operating room terminal, a livebroadcast server, and an observation room client. According to the low-delay operation demonstration live broadcast method and system provided by the invention, data processing is carried out througha multi-thread asynchronous buffer mechanism so as to achieve efficient concurrent operation of each data unit of a program. In live broadcast, the task is split into a plurality of sub-tasks for multi-core and multi-thread simultaneous processing, so that the total task result output time is reduced, and the beneficial effect of reducing the live broadcast delay is achieved.

A low-delay operation demonstration live broadcast method and system

The invention relates to an ontology model construction method and system for a relational database. The method comprises the steps that (1) meta-information of the relational database is extracted; (2) redundant information detection is performed on the extracted meta-information of the relational database; (3) foreign key detection is performed on the extracted meta-information of the relationaldatabase; and (4) through mapping rules, the meta-information obtained after redundant information detection and foreign key detection is expressed with ontology to obtain an ontology model. According to the ontology model construction method and system, in the process of constructing the ontology model, the two steps of ''redundant information detection'' and ''foreign key detection'' are addedand used for detecting existing redundant information and missing foreign key definitions respectively, and therefore the ontology model can be established through the relational database more efficiently; and the established ontology model can construct a unified view for a bottom-layer database and provide a unified interface for upper-layer applications, so that convenience is brought to application and analysis of data.

Ontology model construction method and system for relational database

The invention provides a multi-thread concurrent system. The system comprises a task division module which divides a to-be-executed task into a plurality of tasks, a task configuration module which performs attribute configuration on each task after division, and a thread pool module which establishes a thread pool of a corresponding type according to an attribute of each task and executes multi-thread concurrent processing on the plurality of tasks. By utilizing the multi-thread concurrent system provided by the invention, the performance of a computer can be brought into full play, a distribution policy of complex tasks can be flexibly configured, and the task execution efficiency can be improved.

Multi-thread concurrent system

The invention provides a service-oriented distributed request processing system. The system comprises a master server manager, a plurality of master servers belonging to the master server manager and a plurality of slave servers belonging to the master servers, wherein the master server manager queries an idle master server corresponding to the type of a request according to the request of a client and returns information of the master server to the client; the master server receives the request information of the client and sends the request information to a selected slave server for performing processing; and the slave server processes the request information and returns a processing result to the client through the master server. According to the system, low-price PC servers are used in a framework, and distributed computing of massive data is supported according to a master-slave node mode by transversely expanding a server cluster. Compared with use of a large computer server, the framework of the system is low in cost and high in expandability.

Service-oriented distributed request processing system

The invention discloses a merging method for database, and belongs to the technical field of database. The method is a database merging method which is better in flexibility and more complete in functions. The method comprises: obtaining a source database and a target database; setting corresponding relations of a source list of the source database and a target list of the target database, and corresponding relations of a source field of the source database and a target field of the target database; setting association of the target fields in the target database, the association of the target fields including a main field and associated fields associated with the main field; according to the association of the target fields, setting a merging processing sequence of the target list and the corresponding source lists; setting repetition judging criterions of source records in the source database and target records in the target database, and repetitive operation when the source records and the target records conform to the repetition judging criterions; and according to the set processing sequence, the repetition judging criterions, and the repetitive operation, merging the source database and the target database.

Merging method for database

The invention discloses a management method for data files relating to exploration, and belongs to the technical field of exploration, and the method is beneficial for improving data access and loading efficiency. The method comprises: receiving a data file imported by a user, storing basic information in the data file; according to the coordinate vales of the basic information in the data file, adding a sign corresponding to the imported data file in a display interface; receiving and obtaining operation behaviors of the user in the display interface, and corresponding coordinate vales; obtaining basic information of the data file corresponding to the coordinate vales, and according to the basic information, obtaining specific data in the data file; and displaying an image drawn by the specific data in the data file to the user.

Management method for data file relating to exploration

The invention provides an offline data version conflict resolution method for supporting concurrent cooperation. The offline data version conflict resolution method for supporting concurrent cooperation comprises the following steps: receiving an editing request to edit a database, according to the occurrence probability of a conflict in a application layer, adopting a corresponding conflict resolution method to determine whether the editing request has the conflict or not, and after determining that the editing request has no conflict, processing the database in accordance with the editing request. When the occurrence probability of the conflict is low, a method based on a mixed conflict detection is adopted, and the mixed conflict detection method can effectively shorten the time of the conflict detection. When the occurrence probability of the conflict is high, a method based on conflict avoidance is adopted, the user writing data need to obtain the edit tag of a correlation table firstly, and thus not only the conflict can be avoided, but also other users taking an application offline are allowed to operate other modules of a software at the same time.

Offline data version conflict resolution method for supporting concurrent cooperation

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