51results about How to "Make full use of computing resources" patented technology

The invention discloses a hash connecting method for database based on a shared Cache multicore processor. The method is divided into a link list division phase and an aggregation connection phase, wherein the link list division comprises the following steps that: firstly, a temporary list is generated through a temporary list generation module; secondly, temporary list division is executed on the temporary list by temporary list division thread; thirdly, before division, a proper data division strategy is determined according to the size of the temporary list; and fourthly, proper start occasion of the temporary list division thread is determined in a process of temporary list division to reduce Cache access collision; in aggregation connection, an aggregation connection execution methodbased on classification of aggregation sizes is adopted, and the memory access in hash connection is optimized. The method ensures that the hash connection sufficiently utilizes operating resources of a multicore processor, and the speedup ratio executed by hash connection is close to the number of cores of the processor so as to greatly shorten the execution time of the hash connection.

The invention discloses a D2D-based multi-access edge computing task unloading method in an Internet of Vehicles environment. According to the method, a task unloading strategy, transmitting power anda channel resource allocation mode are modeled into a mixed integer nonlinear programming problem, and the optimization problem is maximization of the sum of time delay and energy consumption benefits of all terminal CUE in cellular communication with a base station in an Internet of Vehicles system. According to the method, the time complexity is low, the channel resources of the Internet of Vehicles system can be effectively utilized, the time delay reliability of the terminal DUE performing local V2V data exchange in a D2D communication mode is ensured, meanwhile, the time delay and energyconsumption of the CUE are close to the minimum, and the requirements for low time delay and high reliability of the Internet of Vehicles are met. Verification is carried out by building a simulationplatform, the total time delay and energy consumption of the CUE are approximately minimized, and the method has performance advantages compared with a traditional task unloading method.

The object of the present application is to provide a CPU-GPU based load balancing method and apparatus. A pipelined query execution model is constructed on the GPU-GPU heterogeneous database system,so that CPU-GPU heterogeneous data analysis system can support query analysis in big data scenario; determining the total number of pipelines to be executed; starting the pipeline query execution model to allocate the pipeline corresponding to the total number to the CPU and the GPU, and calculating the system execution time corresponding to all load distribution strategies according to the determined execution time of a single pipeline on the CPU and the GPU respectively; finally, the load distribution strategy corresponding to the minimum value of the execution time of all the systems is determined as the optimal CPU-GPU allocation strategy,the load balancing strategy of the CPU-GPU heterogeneous data analysis system can reasonably distribute pipeline load to different processors, make full use of processor computing resources, not only improve the system performance, but also make the system achieve the best overall performance.

The invention discloses a method for medical ultrasound three-dimensional imaging based on parallel computers. The method includes the following steps: S1. creating a task pool, namely, reading image data in accordance with user setting parameters and construct the task pool; S2. conduct partitioning to obtain sub-tasks, namely, adopting domain partition method to partition collected ultrasound image sequences into a plurality of sub-tasks in accordance with defined particle size, wherein each sub-task is an interpolation to complete adjacent images of S frames; S3. sub-tasks distribution, namely, distributing sub-tasks to different processors; S4. calculating sub-tasks, namely each processor executing sub-tasks coordinately and parallelly; S5. overall interpolation, namely conducting overall interpolation to sub-task results obtained by reconstruction of each processor to get a three-dimensional image; and S6. image display, namely displaying the reconstructed three-dimensional image. The method solves the time-consuming problem of the ultrasound three-dimensional imaging. Besides, the parallel computer environment is constructed by low-cost computers. Thus, the computing resources can be fully used and the cost is also low.

The invention discloses a multi-front load flow calculation method and system based on a GPU (graphics processing unit). The method includes the steps: 1) asynchronously and concurrently executing a wave front matrix chain; 2) distributing tasks between a CPU (central processing unit) and the GPU; 3) optimizing matrix multiplication and subtraction algorithms on the GPU. The wave front matrix chain is processed in an asynchronously and concurrently executing mode, resources of the CPU are sufficiently used, whether the CPU or the GPU is used for processing is determined according to the sizes of matrixes, processing time of a single matrix is the shortest, idle waiting time of the CPU or the GPU can be shortened as far as possible by asynchronously and concurrently executing the wave front matrix chain, a shared memory is timely used, and the performance of a program is optimal. The performances of decomposition matrixes can be remarkably improved by combining the three methods.

The invention discloses an image processing method and device, terminal equipment and a computer readable storage medium, and relates to the technical field of computer vision. The image processing method is applied to the terminal equipment, and comprises the following steps: acquiring a video image sequence to be processed, the video image sequence comprising multiple frames of video images; determining a frame insertion strategy according to the performance state of the terminal equipment; and according to the frame insertion strategy, performing frame insertion processing operation on the video image sequence to obtain a target video image frame sequence after frame insertion processing. According to the method, video frame insertion can be effectively realized.

The embodiment of the invention provides a task processing method and device and a computer readable storage medium. The task processing method comprises: a computing engine receiving a task for generating a data packet sent by a task platform through an idle queue; wherein the idle queue is determined by the task platform in a queue list; the calculation engine acquiring operation information ofthe started calculation units and determining idle calculation units according to the operation information; and the computing engine allocating the task for generating the data packet to the idle computing unit, so that the idle computing unit processes the task for generating the data packet. According to the scheme, the task platform sends a task for generating a data packet to the computing engine through the idle queue, and the computing engine allocates the received task for generating the data packet to the idle computing unit for processing, so that the task processing method providedby the embodiment of the invention can deploy the task, thereby reasonably scheduling each task and fully utilizing the computing resources of the computing engine.

The invention discloses an artificial intelligence processing method and system of digital aircraft working condition set batch simulation. The method includes the steps: accessing a digital aircraftsimulation working condition set, and storing working condition information in the working condition set into a batch processing task database; receiving at least one piece of working condition information from the batch processing task database, and recording receiving conditions; downloading configuration files corresponding to the working condition information according the received working condition information, and starting digital aircraft simulation programs according to the configuration files to perform digital simulation; archiving all simulation data generated after digital simulation into a batch processing archiving database. According to the method, artificial intelligence processing of batch simulation of the digital aircraft working condition set is achieved, simulation anddata archiving of a lot of working conditions can be automatically performed, workload of people is reduced, parallel simulation processing of a plurality of hosts can be achieved when a lot of working conditions need to be processed, computing resources are sufficiently utilized, and simulation time is saved.

The invention discloses a system for multithreading real-time construction of an orthoimage semantic map. The system comprises an unmanned aerial vehicle photoelectric pod, an AI edge computing device, a radio station and a comprehensive control computer. The unmanned aerial vehicle photoelectric pod is used for collecting aerial images of the ground terrain; the AI edge computing device is used for constructing a two-dimensional orthoimage map according to the aerial image and identifying and segmenting environmental elements; the radio station is used for transmitting the segmentation results of the two-dimensional orthoimage map and the environmental elements to the comprehensive control computer; and the comprehensive control computer is used for carrying out color separation marking on the two-dimensional orthoimage map according to the segmentation result to form a two-dimensional orthoimage semantic map. According to the multi-thread system for constructing the orthoimage semantic map in real time, the AI edge computing device is constructed on the unmanned aerial vehicle, and construction of the two-dimensional orthoimage map is transferred to the AI edge computing device from the ground workstation, so that the real-time performance and timeliness of image splicing are higher.

The invention relates to a distribution system for machine learning operation, which can obtain an operation result with lower accuracy when a first machine learning algorithm with lower operation capability is used for calculating an operation task in a terminal server according to a control instruction of the terminal server. And when the same operation task is also calculated by using a secondmachine learning algorithm with relatively high operation capability in the cloud server according to the control instruction of the cloud server, an operation result with relatively high accuracy canbe obtained. Thus, different machine learning algorithms are flexibly used for respectively executing the same operation task based on the requirements of the user, so that the user can respectivelyobtain an operation result with lower accuracy and an operation result with higher accuracy. Moreover, as the operational capability of the terminal server is relatively weak, the operational result of the terminal can be output firstly, so that the user does not need to wait for a long time, and the processing efficiency is improved.

The invention discloses a local geometric feature-based efficient discrete geodesic line paralleling method. The method comprises the following steps of: constructing a local geodesic information transfer topological structure; inputting a network model, initiatively updating own distance values by all the peaks in the network model, and deriving new pseudo-source point elements, namely, new second-type window elements; initiating deriving new window elements by edge window elements in first-type window elements, and storing the new window elements into buffer areas corresponding to the edges;establishing a plurality of edge threads to process a window element derivation event on each edge in parallel; creating a plurality of edge threads to process a window element collection event on each process in parallel; initiatively obtaining own sub-window elements by the edges according to own topological relationships; initiatively collecting window elements in a corresponding buffer area by the edge e and writing the collected window elements into a rolling array corresponding to the next state of rolling arrays; exchanging the rolling array; and if updatable second-type window elements exist, re-inputting the network mode l, and otherwise, ending the operation. According to the method, the algorithm efficiency is improved, the operation time is shortened and complete paralleling is realized.

The invention discloses an operation method and device based on a multiplier and a computer readable storage medium, and the method comprises the steps: obtaining a to-be-processed array and a first multiplier, wherein the to-be-processed array comprises at least two first to-be-multiplied numbers; performing digit expansion processing on the first multiplier to obtain a second multiplier; splicing all the first to-be-multiplied numbers to obtain a second to-be-multiplied number; inputting the second multiplier and the second to-be-multiplied number into the multiplier to obtain a multiplication result; after it is judged that a preset correction condition is met, correcting the multiplication result to obtain a product of each first to-be-multiplied number and the first multiplier, the preset correction condition includes that an exclusive-or result of a value of a highest bit of the first to-be-multiplied number and a value of a highest bit of the first multiplier is a first value, and neither the first to-be-multiplied number nor the first multiplier is a second value. In this way, the computing power can be improved, and resources are fully utilized.

The invention discloses a parallel audio frequency processing method for multiple server nodes, which includes the implementation steps: 1) setting algorithm processing modules for executing specific audio frequency processing algorithms in a server of a local area network, and dividing inputted audio frequency into audio frequency blocks according to time; 2) leading client sides of the local area network to respectively request the server to perform parallel audio frequency processing service; 3) utilizing the server to transmit the algorithm processing modules to each client side and sequentially allocate the divided audio frequency blocks into the client slides, and leading the client sides to invoke the audio frequency processing algorithms of the algorithm processing modules to sequentially process the audio frequency blocks and then transmit the processed audio frequency blocks to the server; and 4) combining the audio frequency blocks to generate final output audio frequency by the server. The parallel audio frequency processing method has the advantages of capability of realizing parallel audio frequency processing, high efficiency and rapidness in audio frequency processing and convenience in use.

The invention relates to an index generation method and retrieval method for scientific big data. The method comprises the following steps of determining a plurality of data blocks as hotspot data blocks according to popularity of each data block; combining the hotspot data block with the data block adjacent to the hotspot data block according to the continuous condition of the hotspot data block;and generating a data index or updating an original data index according to the combined data block. According to the method, the situation that excessive redundant information enters the disk duringretrieval due to the fact that the data block is too large, and consequently data filtering expenditure is increased can be prevented, the situation that disk memory access expenditure is increased during retrieval due to the fact that the data block is too small can also be prevented, computing resources of a computer are more fully utilized, and the retrieval efficiency of scientific big data is greatly improved.

The invention provides a method for decoding multi-process video. The method comprises the following steps: establishing multiple corresponding independent decoding processes for different video cards of a video decoding system; and selecting decoding processes corresponding to the video cards to decode video data. The invention further provides a multi-process video decoding system. The multi-process video decoding system comprises a decoding process scheduler, wherein the decoding process scheduler comprises a process setting module and a process distribution module; the process setting module establishes multiple decoding processes for different video cards of the video decoding system; and the process distribution module selects the decoding processes corresponding to the video cards to decode the video data. By adopting the above technical scheme, the business process and decoding of video decoding software are realized by different processes, and the video decoding software can be decoded through a plurality of decoding processes to realize load balancing, therefore, the system hardware resources can be fully utilized and the characteristic of quick recovery of processes during crashed decoding process can be realized.

The invention discloses a calibration method and device, terminal equipment and a storage medium. The method comprises the steps of determining layer attribute information of each to-be-calibrated layer in a model; determining grouping information corresponding to the to-be-calibrated layer according to the layer attribute information and the available resource information; and performing groupingcalibration on the to-be-calibrated layer according to the grouping information. By means of the method, on the premise that available resources can support, all to-be-calibrated layers are reasonably grouped, so that multiple layers are calibrated at the same time through one-time calibration operation, the number of times of calibration operation is reduced, computing resources are fully utilized, and therefore the computing speed during model calibration is increased.

The invention relates to the technical field of data processing in financial science and technology, in particular to a data processing method and device which are used for improving data processing performance and shortening time consumed for processing a large amount of data. The embodiment of the invention is applied to a service system. The service system comprises a database and at least twoservice nodes. The method comprises the following steps: the service nodes create N threads, and N is an integer greater than 1; for each thread of the service node, the thread searches for unmarked fragmentation information from all fragmentation information, and the fragmentation information is data information corresponding to fragmentation data obtained by fragmenting service data; wherein thethread locks one piece of unmarked fragment information and marks the fragment information; the thread obtains corresponding fragmentation data from the database according to the fragmentation information; and the thread processes the fragmented data and stores the processed fragmented data into the database.

The invention discloses an acoustic processing device based on a multi-core modular framework. The acoustic processing device comprises at least two processing cores, each processing core comprises atleast one algorithm core module and at least one control core module, and further comprises an audio and video input module, an interface module, a voice pickup module, a voice preprocessing module,a reference signal input module, a control and algorithm module, a voice output module, a network module and a power management module. The acoustic processing process is divided into different modules, and different functional modules are independent of each other and are managed and controlled by different processing cores. The processing cores cooperate through the inter-core communication anda shared memory, and different modules are handed to different cores for management and control. Through reasonable module control and system resource allocation, computing resources of the processorare made full use of, the computing power and effective availability of a sound processing system are improved, the processing delay is reduced, and the system resource scheduling capabilities are improved.

The invention discloses a mass equipment state self-maintenance method and device and system thereof. The method comprises the following steps: performing communication among equipment in various groups of mass equipment taking a group as a self-maintenance unit through a Gossip protocol, judging whether the equipment in the off state is existent in the group, wherein each set of equipment in massequipment is distributed with a unique serial number; for each group, enabling the equipment with the minimum or maximum unique serial number in the group to notify the message that all equipment states in the group are normal to an integrated control platform if all equipment in the group is in the on state; if the equipment in off state is existent in the group and the equipment in the on stateis further existent in the group, enabling the equipment with the minimum or maximum unique serial number in the equipment in the on state to notify the unique serial number and the off state of theequipment in the off state to the integrated control platform. The technical scheme proposed by the embodiment of the invention greatly relieves the load pressure of the integrated control platform, the computing resource of each set of equipment is sufficiently utilized, and the computing efficiency is improved.