6 results about "Statistical function" patented technology

The invention belongs to the field of database maintenance, and discloses a method and a related system for rapid data statistics of industrial time series data, which realize standardization and structuring of statistical logic by analyzing a customer data statistical request, extracting a tag name and a statistical task. Semantic differences of different databases in the aspects of statistical functions, aggregation rules, time window definitions and the like are avoided, and statistical tasks can be executed in a unified logic model. According to the method, the statistical task is divided into a plurality of time periods according to the time region, so that the system can independently execute statistical operation in different time windows. The sectional calculation not only improves the parallel calculation efficiency, but also avoids the deviation caused by different time index precisions of the bottom layer of the database, and effectively ensures the consistency and comparability of statistical results.

The state determining device (1) has: a data obtaining section (100) that obtains predetermined physical quantity-related data as data representing a state related to an injection molding machine (4); a characteristic quantity calculating section (110) that calculates a characteristic quantity representing a characteristic of the state of the injection molding machine (4) from the physical quantity-related data; a statistical data calculating section (120) that calculates a statistical quantity as statistical data in accordance with a statistical condition that includes at least a statistical function for calculating a predetermined statistical quantity from a predetermined characteristic quantity; and a state determining section (140) that determines the state of the injection molding machine (4) from variations in a plurality of successive statistical data.

The embodiment of the invention provides a chip with a performance statistics function, a method and electronic equipment, the chip comprises a parallel processor and a performance statistics module, the performance statistics module comprises a parameter configuration unit, a performance statistics unit and a read-out control unit, the parameter configuration unit is used for receiving performance statistics parameters and reading out the performance statistics parameters, and the read-out control unit is used for reading out the performance statistics parameters. The performance statistics parameters are used for indicating identifiers of N calculation units needing performance statistics; the performance statistical unit is used for acquiring N groups of events generated when the N computing units in the parallel processor run on the basis of the performance statistical parameters, and performing statistics to obtain corresponding N groups of performance data; and the read-out control unit is used for transferring the N groups of performance data to an external memory outside the chip. By adopting the chip, the flexibility and the accuracy of performing performance statistics on the parallel processor can be improved.

This invention relates to the field of data processing technology, and discloses a method, system, terminal, and storage medium for dynamic slideshow updates based on user instructions and custom templates. The method includes: analyzing the slideshow page to obtain visual prediction boxes and underlying object boxes, and matching them to obtain geometric objects; determining the statistical functions of the geometric objects in a finite function library, and extracting specific parameters from the statistical functions; decomposing and reorganizing the geometric objects to obtain corresponding computational pipelines; extracting keywords from language instructions to determine specific parameters and computational pipelines; and constructing a target slideshow file based on the specific parameters, computational pipelines, and updated data. This invention, by reconstructing the computational logic, achieves a fully automated closed loop of instruction parsing, data recalculation, and rendering generation, enabling end-to-end linked updates of data, charts, and textual conclusions. This ensures that the updated textual summary accurately reflects the trend of the new data and significantly reduces the labor costs of maintaining periodic reports.

Embodiments of the present application provide a chip, a method and an electronic device with performance statistics function. The chip comprises a parallel processor and a performance statistics module. The performance statistics module comprises a parameter configuration unit, a performance statistics unit and a readout control unit. The parameter configuration unit is configured to receive a performance statistics parameter, which is used to indicate the identification of N computing units that need to perform performance statistics. The performance statistics unit is configured to obtain N groups of events generated by the N computing units in the parallel processor based on the performance statistics parameter, and obtain corresponding N groups of performance data by statistics. The readout control unit is configured to store the N groups of performance data to an external memory located outside the chip. The chip can improve the flexibility and accuracy of performance statistics of the parallel processor.

The invention belongs to the technical field of information security, and provides a key recovery automatic search method and system based on a cryptographic algorithm cycle discriminator, and the technical scheme is that: on the basis of determined discriminator parameters and to-be-guessed key recovery parameters, a built key recovery automatic search model is combined; solving to obtain results of all established head and tail expansion key recovery attacks; wherein the process of the key recovery automatic search model comprises the following steps: respectively defining a variable in each state of each round in tail key recovery and head key recovery expansion, and respectively assigning values to the head and the tail of a period discriminator according to the head and tail features of the period discriminator; constraining state transition problems of differentiator head and tail idle wheel functions, over-branch operation and over-linear layer operation; and performing advantage and disadvantage sorting on all candidate results by combining the parameters of adding the key guessing key and an addition statistical function, and obtaining an optimal scheme of the automatic key recovery attack according to a sorting result. And the adaptability to the key recovery attack is improved.