97 results about "General purpose computation" patented technology

A general-purpose programming environment allows users to program a GPU as a general-purpose computation engine using familiar C/C++ programming constructs. Users may use declaration specifiers to identify which portions of a program are to be compiled for a CPU or a GPU. Specifically, functions, objects and variables may be specified for GPU binary compilation using declaration specifiers. A compiler separates the GPU binary code and the CPU binary code in a source file using the declaration specifiers. The location of objects and variables in different memory locations in the system may be identified using the declaration specifiers. CTA threading information is also provided for the GPU to support parallel processing.

In contrast to a conventional computing system in which the graphics processor (graphics processing unit or GPU) is treated as a slave to one or several CPUs, systems and methods are provided that allow the GPU to be treated as a central processing unit (CPU) from the perspective of the operating system. The GPU can access a memory space shared by other CPUs in the computing system. Caches utilized by the GPU may be coherent with caches utilized by other CPUs in the computing system. The GPU may share execution of general-purpose computations with other CPUs in the computing system.

An autonomous mobile system comprising: a means of achieving mobility, a means of navigating, a means of providing autonomous power, and a means of providing general purpose computing. In some embodiments, the system comprises a base unit capable of sensing its environment and computing navigation instructions to direct the system to move to particular locations and execute functions as directed by a set of programmed instructions. In some embodiments, two or more time-of-flight (TOF) imaging systems are attached to measure distance to objects in the environment, which may in turn be used by the means of navigating. In some embodiments, a coupling exists on the base unit to attach additional structures and mechanisms. These structures may comprise a means for carrying packages or other items, robotic manipulators that can grab and move objects, interactive audio and video displays for telepresence applications, a means for serving food and drink, etc.

The invention discloses a parallel encryption and decryption method for dynamic data under a large data environment. Under the large data environment, according to the method, parallel encryption and decryption operations on a large amount of dynamic data stream generated on a network are achieved. According to the method, a general computer GPU is used for completing the data encryption and decryption processes in a parallel mode. According to the dynamic data transmission rate, the data processing concurrent width is adjusted self-adaptively, and on the basis that information safety is guaranteed, open operation of encryption and decryption is realized.

The invention discloses a universal testing device for a VPX high-speed signal board, and relates to the field of high-speed signal acquisition of measurement and control communication and the like. According to the technical scheme, a universal computing module is adopted as a central node of star switching, and a PCIe of an X4 of a connector is connected with a core processing module to completea control function, control and state detection of the core processing module and control and monitoring of an external test instrument are realized; the core processing module interacts with the universal computer module, sends the received information to the signal processing board for processing, responding to a command of reusing the control system through single board software is made, and different function options are loaded; the core processing module takes three FPGAs connected in parallel as a core, completes analysis and distribution of control commands and transmission of signal data streams through the FPGAs, and is connected with SRIO signals of the VPX backboard to form an SRIO data transmission network for data interaction, and the FPGAs send data to each other irregularlyin a point-to-point manner.

A system and method for universalization and contextualization of computing assets that utilizes structure, organization, and ontologically-related metadata to unify computing assets into a common data model combined with provenance-related metadata to contextualize the assets for suitability in a given situation. The system and method include an asset registry that contains provenance information and ontological information about available computing assets, a provenance manager which tracks the provenance of each asset for data validation and contextual analysis purposes, an ontology manager that uses ontological relationships among assets to determine other domains in which an asset may be useful, and an interoperability manager which combines the provenance and ontology outputs to suggest computing assets that may be useful in a given context.

The invention discloses a general purpose computation, trusted computation and cryptographic computation integrated safety processor, which comprises a general processing unit and a safety trusted processing unit. The general processing unit and a safety trusted processing unit realize data interaction through a data channel, a management channel and a trusted safety control channel. Compared withthe prior art, the safety processor has advantages that by chip level deep fusion of the general processing unit and the safety trusted processing unit, on-chip efficient transmission of data betweenthe general processing unit and the safety trusted processing unit is realized, chip level cryptographic services are provided, chip level trusted services according with trusted computation relatedstandards are provided, safety is effectively improved, and the safety processor is capable of withstanding physical attacks, reverse engineering attacks and cloning attacks.

The invention discloses a method for measuring modulation quality parameters based on software radio technology and a system. According to the invention, an original time-domain signal with no demodulation and filtering is acquired through a sampling device, and a sampling value sequence is inputted into a general purpose computation device. In the general purpose computation device, a software analysis module, which corresponds to the communication standard and is used for measuring the modulation quality parameters, is used for executing a digital signal processing algorithm premade by a program to process the sampling value sequence that the sampling device outputs so that modulation quality parameter results of the measured signal are obtained. Based on the same test platform, the method for measuring the modulation quality parameters based on software radio technology and the system are capable of achieving measurement of modulation quality parameters of various different communication standards, can extend the functions of existing equipment, reduce measurement costs and improve measurement capability, and help to improve the measuring accuracy of the modulation quality parameters.

The invention belongs to the field of monitoring technology, and provides a mechanical failure monitoring system and a mechanical failure monitoring method. The mechanical failure monitoring system comprises a plurality of sensors, a GPU conditioning module, a GPU acquisition module, a GPU encoding module and a processor, wherein the plurality of sensors are used for detecting mechanical equipment to obtain multi-path operating parameters; the GPU conditioning module is connected with the plurality of sensors, and is used for conditioning the multi-path operating parameters; the GPU acquisition module is connected with the GPU conditioning module, and is used for converting the conditioned multi-path operating parameters into digital signals to obtain multi-path digital signals; the GPU encoding module is connected with the GPU conditioning module, and is used for encoding the multi-path digital signals; and the processor is connected with the GPU encoding module, and is used for carrying out parallel processing on the encoded multi-path digital signals through GPU monitoring software. Therefore, the purpose of applying a general purpose computation graphics processing unit GPGPU to the mechanical failure monitoring system is realized, the synchronous analysis and processing of the multi-path operating parameters in the current window are realized, the miniaturization of the mechanical failure monitoring system is achieved, and the failure monitoring speed is increased.

The invention discloses a method for vectorization computing of a solution of a large-scale trigonometric linear system of equations for a GPDSP. The method comprises the steps that the solution of the large-scale trigonometric linear system of equations is partitioned into irregular triangular matrix partition and vector multiplication and regularized matrix partition and vector multiplication in a partitioning computing mode; a CPU core in the GPDSP runs an operating system, is in charge of logical partitioning of data and dispatching of tasks and computes the irregular triangular matrix partition and vector multiplication with a small number of loads; DSP cores in the GPDSP are in charge of the regularized matrix partition and vector multiplication, obtain new computing tasks from the CPU core uninterruptedly and report running results to the CPU core, and the CPU core achieves dynamic load balance of the computing tasks among all the DSP cores by means of dynamic dispatching. By means of the method, the principle is simple, operation is convenient, the general purpose computation capacity of the CPU core in the GPDSP and the powerful vector processing array parallel computation and high-bandwidth vector data loading capacity of the DSP cores in the GPDSP can be fully utilized, and the computing memory access ratio of the DSP cores is increased remarkably.

The invention discloses a power grid device service life evaluation platform based on multiple characteristic parameters. The power grid device service life evaluation platform comprises a basic service module, a business logic module and a foreground displaying module from bottom to top, wherein the basic service module provides data support through a data interface and a general purpose computation formula and abstractly simplifies complicated computation steps. The business logic module achieves three-level evaluation and poor working condition correction and obtains primary/secondary/tertiary health indexes, a final health index, the remaining service life and the failure rate of a power grid device. The foreground displaying module provides a friendly operating interface for a user. The power grid device service life evaluation platform provides the service life condition of the power grid device through multiple-data-source comprehensive application and a series of flexibly-configured evaluation models and achieves visualized displaying. By utilizing the power grid device service life evaluation platform, professionals and developers can perform quick development deployment and dynamic improvement on the service life evaluation system according to the actual demands, and accordingly great convenience is provided for implementation of service life evaluation work.

The invention discloses a software definition server system and method for heterogeneous computing. A software definition heterogeneous multiprocessor system comprises a universal processor, a heterogeneous computing processor, a software definition controller and peripheral equipment. The universal processor is used for executing the tasks of a control plane, wherein the tasks comprise the steps of executing a control process of a parallel program, initially configuring the multiprocessor system and providing universal computing capacity. The heterogeneous computing processor (like a GPGPU and other processors) is used for executing the computing task of the parallel program; the software definition controller is used for carrying out data exchange on a data plane between all parts (including the universal processor, the heterogeneous computing processor and the peripheral equipment) in the multiprocessor system; the peripheral equipment comprises an internal storage device (like a DRAM), a storage device (like a disk) and a network device (like a network interface card), and the like.

A system and method of adding a new printer function to a printer is disclosed herein. The system includes the printer. The system also includes a general purpose computing device communicatively coupled to the printer. The system further includes an upgrade module communicatively coupled to the printer, wherein the upgrade module includes a processor and computer-readable instructions to direct the processor to communicate with the printer to add the new print function to the printer

The invention belongs to the field of radar image target recognition technology and particularly relates to a synthetic aperture radar image target recognition method implemented based on a GPU. Along with development of the SAR imaging technology, the resolution and data size of an SAR image are both increased rapidly, and therefore traditional PCA methods based on CPU serial computation are excessively low in efficiency and excessively high in computation cost. According to the method, efficient computation capability of GPU general purpose computation is utilized to perform parallel analysis on PCA feature extraction methods, and GPU parallel improvement is performed on a matrix multiplication method, a Jacobi feature decomposition method, a reduction maximum value solving method and other methods with high parallelism.

The invention provides a vibration test system used for rotary machines. The vibration test system comprises a plurality of vibration sensors used for acquiring multiple paths of vibration signals of a rotary machine and a general purpose computation image processor used for processing, display, computation and analysis of the multiple paths of vibration signals. The vibration sensors include eddy current displacement sensors used for acquiring key phase point signals. The general purpose computation image processor comprises a signal processing module used for conditioning, analog-digital conversion and encoding of the vibration signals and a monitoring module which displays the multiple paths of processed vibration signals in the time domain waveform image form and performs computation and analysis on the signals. The vibration test system has the advantages that the eddy current displacement sensors and the general purpose computation image processor cooperate to acquire vibration signals with key phase information for field analysis and judgment, so that multiple paths of vibration signals can be analyzed and processed synchronously and the practicality is great. The invention also provides an analysis method for vibration signal time domain waveforms of the vibration test system.

The invention discloses a machine learning calculation optimization method and platform. The method comprises the following steps: segmenting a machine learning calculation graph into a data working sub-graph consisting of upstream nodes of stateful nodes and a training working sub-graph consisting of stateful nodes and downstream nodes thereof, and adding data sending nodes to the data working sub-graph at two sides of a segmented edge, and adding a data receiving node to the training work sub-graph. According to the method, data and training work in the same task can be decoupled, so that general computing resources participating in the data work during operation can be dynamically allocated; the problem that the running efficiency of a deep learning task is reduced due to the fact that enough preprocessing data cannot be provided for a special computing unit such as a GPU is solved. Furthermore, through combination with a scheduler, general computing resource scheduling can be carried out in a cluster range, a single-machine boundary is broken, and the overall hardware utilization efficiency of the platform is improved.

The invention belongs to the technical field of bus passenger flow volume prediction, in particular to a bus passenger flow prediction method and system based on an SPGAPSO-SVM algorithm. The method comprises the steps that population construction, segmentation and parallelization processing are carried out through an elastic distributed data set of a rapid universal computing engine platform based on large-scale data processing; optimal system parameters are output. According to the method, the problem that in the prior art, the time consumed for calculating the fitness of an existing prediction model is too long is solved, and the method has the beneficial technical effects of being high in prediction accuracy, high in operation speed and good in expandability.

The invention discloses an image processing method based on winograd dynamic convolution blocks, and belongs to the field of convolution networks. According to the invention, a calculation complexityfunction of a winograd rapid convolution method is generated by using a Chinese remainder theorem algorithm, and convolution parameters of each layer in a convolutional neural network model are introduced as constants by the calculation complexity function to obtain a calculation complexity model of which the variable is the size of a winograd convolution block; the method also includes minimizingthe computation overhead based on the computation complexity model; according to the convolution block size obtained by minimizing the calculation overhead, completing winograd rapid convolution calculation of the corresponding layer number; extracting features of the pictures and sending the features to a convolutional neural network for classification processing; according to the invention, theproblem of convolution performance reduction caused by unbalanced efficiency of a single convolution block of a winograd algorithm on a general computing platform is solved, and the image processingmethod can accelerate the computation of the convolutional neural network computed by the processor.