11results about How to "Implement parallel processing" patented technology

The invention provides a dual-binary turbo code processing method and electronic hardware. The method comprises the following steps: acquiring processing data; determining a processing module according to the length of the processing data; wherein the processing module uniquely corresponds to one storage unit; and performing multi-round parallel processing on the processing data based on the DVB-RCS2 standard through the determined processing module. According to the method, a processing module is determined according to the length of processing data; wherein the processing module uniquely corresponds to one storage unit; through the determined processing module, multi-round parallel processing is performed on the processing data based on the DVB-RCS2 standard, parallel processing of the processing data is realized, the processing time is reduced, and the processing efficiency is improved.

The application discloses a kind of based on LM-OTS public-private key pair generation, signature, verification method and device, it is related to information security technical field, the public-private key pair generation method includes the following steps: step S101, in response to public-private key pair generation instruction, obtain private key, the private key includes multiple private key components;Step S102, multiple private key components are divided into first group private key component and second group private key component, utilize different hash calculation unit to first group private key component and second group private key component Parallel Hashing Calculation is carried out, obtains corresponding multiple public key components, and multiple public key components obtained by parallel Hashing Calculation are carried out Hashing Calculation again to obtain public key.The application utilizes different hash calculation unit to carry out parallel Hashing Calculation to two groups of private key components, realizes the parallelization processing of key generation process, significantly reduces the time consumed by Hashing Calculation, greatly optimizes the generation efficiency of public-private key pair.

The application discloses a kind of mobile data center data storage methods based on chain structure.The steps of the method include: ① for each server of mobile data center, construct server chain, for storing the data and copy generated in the physical area where the server is located and parallelly executing the data processing task of the server;② store the original data and copy generated by the server on the corresponding server chain, and store the data fragments to the adjacent servers of server chain after being sharded;③ if a certain data fragment on the server is invalid, different ways are used to quickly recover historical data or task data;④ if a certain server is invalid, recover all data stored on it to other servers, and migrate the data processing task on it to other servers to continue execution, and try to reduce the impact of task migration on task execution time.The application can significantly improve the data storage security and data processing performance of mobile data center.

The present application relates to the technical fields of oil exploitation downhole separation equipment, and particularly relates to a parallel type gravity oil-water separation unit, characterized by comprising gravity separation modules arranged in a stack, a liquid inlet distribution module is vertically inserted and arranged in the central part of the gravity separation module, the liquid inlet distribution module is arranged in the lifting sleeve, and the gravity separation module, the liquid inlet distribution module and the lifting sleeve are detachably connected through standardized interfaces. The present application combines multiple parallel gravity separation modules with a unique inclined guide plate group in the module, which greatly improves the oil-water separation efficiency, effectively prolongs the flow path and residence time of the oil-water mixture, and creates sufficient conditions for gravity stratification based on density difference. Compared with the traditional series type single-cavity separation device, the design makes the oil-water separation more thorough, and the oil content in the separated water can be less than 20 mg / L, and the separation efficiency is improved by orders of magnitude.

The application relates to the technical field of semiconductors, in particular to a semiconductor device performance parameter automatic detection method, which comprises the following steps: obtaining an initial detection working interval of a semiconductor device; performing initial random sampling in the initial detection working interval to obtain an initial sampling point set; performing fitting processing on the initial sampling point set by using a Gaussian process regression algorithm to construct a proxy model; and performing analysis processing on the proxy model by using a batch Bayesian optimization algorithm. The asynchronous hardware pipeline capability of a source measurement unit is utilized to perform high-speed parallel sampling, the communication overhead between an upper computer and an instrument is reduced, parallel processing of calculation and measurement tasks is realized, and physical test time consumption is compressed. In this way, the accurate performance parameters can be quickly and safely converged by using far fewer measurement points than in a traditional scanning mode, so that the test efficiency and safety are improved under the premise of ensuring the accuracy.

The application discloses a BMCA implementation method of a gPTP protocol based on FPGA, and relates to the technical field of high-precision time synchronization and network communication. In view of the problems of large software BMCA processing delay, slow multi-port convergence and excessively high logic complexity of complete hardware implementation, the application provides a simplified BMCA hardware acceleration method: core priority vector comparison logic is extracted, an independent comparison module and a timeout timer are instantiated for each port in the FPGA; an event-driven mechanism is adopted, real-time iterative updating is triggered as soon as an Announce message is received; local best master clock is automatically announced when power is turned on or a link is timed out; a global arbitrator adopts a multi-stage pipeline tree-shaped comparator, and parameters of each port are compared in parallel, so that the role of the port is quickly determined. The application greatly reduces the convergence time and CPU load under the premise of ensuring the correctness of the election, and plays the parallel processing advantage of FPGA.

The invention discloses a vector information sensing system and method, and the system comprises at least one group of sensing units, the output end of each group of sensing units is sequentially connected with a group of storage units and a group of calculation units, and each sensing unit comprises a scalar signal distribution input end, a horizontal vector output end and a vertical vector output end. The storage unit comprises a horizontal vector information storage subunit and a vertical vector information storage subunit which are respectively used for carrying out in-situ storage on horizontal vector signals and vertical vector signals to form two storage states, and the calculation unit comprises a horizontal vector information processing subunit and a vertical vector information processing subunit which are respectively used for carrying out in-situ storage on the horizontal vector signals and the vertical vector signals to form two storage states. The storage states of the horizontal vector signal and the vertical vector signal are respectively subjected to weighted calculation and summarized at an output end to obtain a calculation result, and the calculation result is used for classification or discrimination. According to the method, the problems of low calculation efficiency, high data redundancy and the like in the processing process of distribution of scalar signals such as images and the like are solved on the hardware level.

This invention provides a method and related products for converting payload files in heterogeneous databases. The method includes: in response to a conversion command, obtaining a payload file from the heterogeneous database; parsing the payload file to obtain a parsing result; obtaining an ordered index list corresponding to a target file in a local database, the target file being used to store the converted payload file; determining the target file to be written based on the ordered index list; converting the parsing result to obtain a conversion result recognizable by the local database; and writing the conversion result to the target file. This method enables the conversion of payload files between heterogeneous databases, thereby supporting further processing of payload files by domestic databases.

The invention provides a media stream transmission method and system between SFU servers, an electronic device and a storage medium. Establishing a signaling connection with a first WebRtc client through a first signaling node, and starting a first media node; the first media node establishes a first producer based on the WebRtc transmission layer, and obtains media data of the first WebRtc client according to the first producer; the first signaling node sends a pipeline transmission layer creation request to a second signaling node, and the second signaling node sends a pipeline channel creation request to a second media node; the second media node creates a pipeline transmission channel connected with the first signaling node; and the first media node sends the media data to the second media node through the pipeline transmission channel, and the second media node sends the received media data to the second WebRtc client. A producer-consumer mode is adopted to realize parallel processing of media data without mutual interference; and meanwhile, production and consumption processes can be asynchronously carried out without waiting, so that efficient media stream transmission is realized.

The invention relates to the technical field of underwater acoustics and inertial navigation integrated navigation, in particular to a USBL delay compensation method and system based on selection state augmented information filtering, and the method comprises the steps: predicting an information matrix and an information vector at a current moment based on navigation state information vector estimation and a navigation state covariance information matrix at a previous moment; constructing an augmented information matrix of a diagonal structure based on the augmented state vector and obtaining an augmented information vector; and calculating a measurement information matrix and an information vector increment corresponding to each delay measurement, and executing additive updating operation to construct a newly-added wide information matrix and a newly-added wide information vector with delay measurement at the current moment so as to recover the navigation state at the current moment by utilizing a Schur compensation method. According to the method, the Markov characteristics of the navigation system are utilized to construct the augmented information matrix with a block diagonal structure, the sparsity of the matrix is fully mined, and the real-time performance and numerical stability requirements of the underwater navigation system are ensured by utilizing the advantages of information filtering in the aspect of measurement updating.

The invention discloses an electromagnetic transient simulation matrix solving method based on an NUMA (Non Uniform Memory Access) architecture and Shuercomplement, which relates to the technical field of electromagnetic transient simulation, and comprises the following steps: S1, carrying out row and column rearrangement on a sparse dispersion nano matrix of electromagnetic transient simulation through permutation transformation, so that the sparse dispersion nano matrix is in a block diagonal edge adding form, a global solving problem is decoupled into a plurality of independent subdomain elimination problems and a low-latitude Schel complement matrix interface problem; and S2, establishing a mapping model of the computing sub-domain and the CPU physical architecture. According to the electromagnetic transient simulation matrix solving method based on the NUMA architecture and the Shuer complement, through an innovative matrix decomposition and hardware resource optimization strategy, the calculation efficiency of electromagnetic transient simulation is remarkably improved, the weak coupling characteristic of a power network is ingeniously utilized, and the calculation efficiency of the electromagnetic transient simulation is improved. A large-scale sparse matrix is decomposed into a plurality of independent low-dimensional sub-domain matrixes and a low-dimensional Schel complement interface matrix, and parallel processing of calculation tasks is achieved.