9 results about "Fixed interval" patented technology

Systems and methods for clock synchronization are disclosed in which a primary node generates special physical laver clock sync symbols from the output of a reference clock and inserts the clock sync symbols within a symbol stream to one or more secondary nodes. Upon receiving a symbol stream, a secondary node can extract the clock sync symbols from the stream to synchronize its local clock with the reference clock of the primary node. In particular, the clock sync symbols can be inserted into the symbol stream at any arbitrary symbol location, e.g., even between consecutive symbols of a symbol encoded data frame. The clock sync symbols can also replace some control symbols in the symbol stream, such as idle or comma symbols. Accordingly, the clock sync symbols can be inserted into a symbol stream at fixed intervals, irregular intervals, or at any arbitrary time for high resolution clock synchronization.

The invention provides a precise timing and charging method and device for an accelerator, and the method comprises the steps: generating a message queue from a heartbeat to a server through a client based on a preset second-level fixed interval, asynchronously processing the heartbeat through an independent consumption thread of the server, and updating an ordered set of Redis, wherein the Score fields in the ordered set are assigned as timestamps, and repeated client records are eliminated through the automatic duplicate removal characteristic of the ordered set; a daemon process is started based on the server side, heartbeat expiration detection is executed per second, and the heartbeat expiration detection adopts a mode of obtaining the oldest heartbeat in a blocking mode; and when the condition that the client is offline or the user actively stops is detected, the server immediately terminates the charging timer, and performs minute-level precision timing and charging in combination with the timestamps stored in the ordered set. In the timing and charging process, the acceleration duration and the member consumption duration have the same minute-level error.

This application provides a cluster resource scheduling method, system, device, and storage medium. The method includes acquiring task queues of multiple node resources. Each task queue includes multiple scheduled tasks and corresponding scheduled time periods. The queue intervals of the multiple scheduled tasks are determined according to the scheduled time periods. The queue intervals include fixed intervals and variable intervals. If the scheduled tasks are in a fixed interval, the scheduled tasks in the fixed interval of each task queue are executed based on a pre-set fixed interval scheduling strategy. If the scheduled tasks are in a variable interval, the scheduled tasks in the variable interval of each task queue are executed based on a pre-set variable interval scheduling strategy. This method solves the technical problem of unreasonable allocation of test resources.

The utility model relates to the technical field of waterproof engineering, in particular to a water stop belt for waterproof engineering, which comprises a rubber water stop belt and one or more water stop belt bodies, and the two water stop belt bodies are combined through an assembly; positioning strips are arranged on the two faces of the water stop belt body, and a fixed distance is kept between every two positioning strips. A deformation area is formed in the middle of the water stop belt body; when the rubber waterstop is used in a combined mode, the connecting stability of the waterstop body can be improved through a hot pressing mode, gaps are prevented from occurring in the middle of the waterstop body, through the combination of the arranged protruding strips and the through holes and the inserted hard rubber rods, the installation stability of the waterstop is guaranteed, and the service life of the waterstop body is prolonged. And the impact resistance of the water-stop belt can be improved, the water-stop effect of the water-stop belt cannot be affected, and the use requirement is met.

The invention provides a data receiving method, device and system, and belongs to the technical field of communication. And after the transmission of the data stream sent by the second module is interrupted and the transmission is recovered, the first module can search the fixed sequence in the target range in the data stream after the transmission is recovered. Wherein the target range is determined based on a reference position of a fixed sequence in the data stream, and the reference position is determined based on a fixed time length. As the fixed duration corresponds to the fixed interval between the two adjacent fixed sequences in the data stream, the deviation between the reference position determined based on the fixed duration and the actual position of the fixed sequence is small in the scene that the transmission of the data stream is interrupted and recovered. Correspondingly, in the target range determined based on the reference position, the first module can quickly search the fixed sequence. Namely, according to the scheme provided by the invention, the data volume required to be searched by the first module when the fixed sequence is searched can be reduced, so that the search efficiency of the fixed sequence is improved.

The invention relates to the technical field of computers, in particular to an RISC-V vector compression method and device. The method comprises the following steps: receiving a vector compression instruction; according to the bit width of the masks, grouping the masks according to a preset sequence and a fixed interval; shifting elements in the to-be-compressed vector data corresponding to each mask group to form an intermediate compression result corresponding to the mask group; wherein the intermediate compression results corresponding to the adjacent mask groups respectively form a high-order group and a low-order group of the intermediate compression group; executing the following iteration steps: merging and compressing elements of the high-order group and the low-order group in each intermediate compression group in parallel to form the high-order group or the low-order group of the updated intermediate compression group; and the compression of the to-be-compressed vector data is completed. By utilizing the embodiment of the invention, the vector compression instruction can be executed in parallel, and the compression efficiency is improved.

The application relates to the technical field of data detection, and discloses a data quality detection method and system based on time sequence data. In a preset time period, data is acquired at fixed intervals, the time difference between adjacent data points is calculated, and the calculated time difference is compared with a set interval, so that it is judged whether the data is continuous and missing conditions are found in time, and the integrity and reliability of the overall acquisition process are ensured. Secondly, when the data is confirmed to be complete, the mean value of the data is calculated according to historical records, the absolute deviation of each data value from the mean value is detected, the data is divided into two categories of normal and abnormal according to a previously set deviation threshold, for the abnormal data, if the number of the abnormal data does not exceed an abnormal threshold, the mean value of the front and rear data is used for correction, the influence of the abnormal data on the overall data set is reduced, otherwise, the abnormality is considered to be serious, and data needs to be reacquired to ensure accuracy.

The invention provides an exp function optimization method based on a look-up table interpolation method, and the method comprises the steps: S1, pre-creating table entries, firstly ensuring that input data is in a certain fixed interval, and dividing the interval into 32 equal parts; the 32 equal parts correspond to 32 exp values and 31 differential values, the exp values and the differential values do not exceed the expression range of UINT16, and then the exp values and the differential values are stored in an array dyt and an array y0t respectively; s2, reading input data, calculating a table item index, searching a corresponding value in the table by using the index, and then extracting a nearest exp function value and a difference value from dyt and y0t; the calculation method of the index index and the interpolation item coef is as follows: uint8t index = input gt; gt; 3; uint8t coef is equal to input tap, and the coef is equal to input tap; 0 * 7; s3, a function value and a differential value are obtained through table lookup and substituted into an interpolation formula for interpolation, and the interpolation formula is inter = y0 + dy * coef; s4, calculating an exp result, wherein the result is equal to (dy * coef + y0lt); lt; 3) gt; gt; 3; s5, judging whether all input calculations are completed or not; if yes, ending; if not, returning to S2 to continue calculation. The problem that exp calculation is tedious in image recognition is solved, calculation is simplified, and high precision is reserved.

The invention relates to a bridge span arrangement design method and device, electronic equipment and a storage medium, and relates to the field of bridge construction. The method comprises the following steps: acquiring a starting area, a termination area, an obstacle area, beam unit information and a recommended span rule of a target bridge; determining a fixed interval and a non-fixed interval of the target bridge according to the starting area, the ending area, the obstacle area and the beam unit information; determining a plurality of bridge design schemes according to the recommended span rule, the fixed interval and the non-fixed interval; determining a target bridge design scheme according to the evaluation indexes corresponding to the bridge design schemes; and outputting the target bridge design scheme. By applying the method and the device, the determining efficiency of the globally optimal or quasi-optimal bridge design scheme can be effectively improved.