196 results about "Data flow diagram" patented technology

A system and method for implementing a debugging graphical program in a main graphical program. A user can associate a debugging graphical program with a wire in a data flow diagram in order to debug and/or analyze the main graphical program. This association does not change or require recompilation of the main graphical program. The debugging graphical program, or smart probe, receives the data from the main graphical program, analyzes this data, and can perform one of several actions. The debugging graphical program can display the data in the wire, generate statistics based on received data, log statistics or data to a file, or perform other analysis functions. The debugging graphical program can also cause the main graphical program into halting execution, entering single stepping mode, etc. The user may choose a debugging graphical program already present, or create one using graphical programming techniques.

System and method for creating a scene graph. A data flow diagram is created in response to input, including displaying a first plurality of nodes on a display which are executable to create at least a portion of the scene graph, and connecting the nodes to create the data flow diagram, where the nodes are connected to specify data flow among the plurality of nodes. The data flow diagram is executed to create the scene graph. The scene graph specifies a plurality of objects and relationships between the objects, e.g., via an object hierarchy, and is usable in rendering a graphical image of the plurality of objects, e.g., a 3D scene. The scene graph is stored in a memory medium. At least one render node may be included in the data flow diagram which receives the scene graph as an input and renders the image based on the scene graph.

System and method for optimizing a data flow diagram based on access pattern information are described. Access pattern information for a data flow diagram may be received. The data flow diagram may include a plurality of interconnected actors, e.g., functional blocks, visually indicating functionality of the data flow diagram. The access pattern information may include one or more of: input pattern information specifying cycles on which tokens are consumed by at least one of the actors, or output pattern information specifying cycles on which tokens are produced by at least one of the actors. A program that implements the functionality of the data flow diagram may be generated based at least in part on the access pattern information.

Developing an ETL system for transforming data prior to loading the data into a data warehouse. An embodiment of the invention automatically generates configuration files from an input data flow diagram defining the ETL system. The configuration files or other metafiles control execution of the processes illustrated in the data flow diagram. The invention includes a notation for use in the data flow diagram.

Methods, systems, and articles of manufacture consistent with the present invention provide a development tool that enables computer programmers to design and develop a data flow program for execution in a multiprocessor computer system. The tool allows the programmer to define a region divided into multiple blocks, wherein each block is associated with data operated on by code segments of the data flow program. The development tool also maintains dependencies among the blocks, each dependency indicating a relationship between two blocks that indicates that the portion of the program associated with a first block of the relationship needs the resultant data provided by the portions of the program associated with a second block of the relationship. The development tool supports several debugging commands, including insertion of multiple types of breakpoints, adding and deleting dependencies, single stepping data flow program execution, and the like.

The embodiment of the invention discloses an information processing method and device. The method comprises the steps that the basic elements of SQL codes are recognized based on a first strategy; the basic elements analyzed from the SQL codes are subjected to combination operation, SQL sentences are obtained, and a syntax tree is established; the SQL sentences in the syntax tree are subjected to traversal, based on the types of the basic elements in the SQL sentences obtained after traversal and the corresponding relationship of the types of the basic elements and nodes, nodes are correspondingly established for the basic elements in the SQL sentences obtained after traversal, and the intermediary language description of the syntax tree is obtained; and based on the intermediary language description of the syntax tree, a data flow diagram corresponding to the SQL codes is established. According to the technical scheme of the embodiment, the corresponding data flow diagram can be obtained quickly and accurately based on the SQL codes, developing personnel can carry out secondary development or upgrading on a system conveniently based on the data flow diagram, and implementation cost is lowered.

An electronic device and method are provided to enable a user to control characteristics of graphical objects of a graphical model environment without requiring manual entry of characteristics into each object. Propagation of characteristics from one or more objects to one or more objects may be specified and performed without requiring manual entry of characteristics into each objects. Examples of graphical model environments can include block diagrams, data-flow diagrams, state-based diagrams, circuit diagrams, mechanical diagrams, biological diagrams, network diagrams and software diagrams.

A system is provided for modeling and analysis of cybersecurity threats may include a data flow diagram (DFD) creator, threat indicator and threat analyzer. The DFD creator may identify elements of an information system, and compose a DFD including nodes and edges representing components and data flows of the information system. The threat indicator may identify a cybersecurity threat to a particular element of the information system, and add a secondary node representing the cybersecurity threat to the DFD to thereby produce a threat-model DFD for the information system. In metadata associated with the nodes, edges and secondary node, the DFD creator and threat indicator may provide structured information including attributes of the components, data flows and cybersecurity threat. And the threat analyzer may perform an analysis of the cybersecurity threat based on the threat-model DFD and metadata associated with the nodes, edges and secondary node thereof.

System and method for automatically parallelizing iterative functionality in a data flow program. A data flow program is stored that includes a first data flow program portion, where the first data flow program portion is iterative. Program code implementing a plurality of second data flow program portions is automatically generated based on the first data flow program portion, where each of the second data flow program portions is configured to execute a respective one or more iterations. The plurality of second data flow program portions are configured to execute at least a portion of iterations concurrently during execution of the data flow program. Execution of the plurality of second data flow program portions is functionally equivalent to sequential execution of the iterations of the first data flow program portion.

The present invention discloses a power-aware compiling method, wherein the power model of an application program are established via building and analyzing the control flow chart and the data flow chart of the application program; each functional unit of the application program is assigned a power mode; a judgment is undertaken to determine whether the idle functional units are independent; if none dependency exists between those idle function units, the program codes of the same idle function units are merged into a new basic block, and the idle functional units are turned off for saving power; each new basic block is assigned an appropriate power mode; the basic blocks with the same power modes are merged to reduce the transitions between different power modes; thus, the power consumed by changing voltage or frequency can be decreased.

The present invention provides an instruction scheduling optimization method for a coarse-grained reconfigurable architecture compiler, comprising: configuring a multi-layer heterogeneous coarse-grained reconfigurable processor architecture that follows global synchronization; The data flow graph of the instruction is correspondingly optimized for the multi-layer heterogeneous coarse-grained reconfigurable processor architecture.

The invention relates to a data flow modeling and processing system to interact with a data processing tool. The data flow modeling and processing system comprises: a graphics user interface for creating a data flow diagram; an interfacial server connected to the graphics user interface for receiving the data flow diagram of the graphics user interface and analyzing into a command function; an executive end comprising the data processing tool, wherein the executive end is connected with the interfacial interface to receive the command function sent by the interfacial server for the purpose ofoperating and to transmit final results to the graphics user interface through the interfacial server. The data flow modeling and processing system has the advantages that the graphics user interfaceand the interfacial server allow a user to design and execute a data flow diagram through simple graphic design, processing efficiency is improved, designing and execution difficulty is relieved, thesystem is more widely applicable, visual operations can be performed, execution results can be fed back, a problem with execution of the data processing tool can be discovered and solved in time, andit is avoided that the prior art takes massive checking to locate the problem.

The invention relates to an IFC data interaction-based engineering information delivery and sharing integrated management system. The information delivery and sharing method comprises the steps of firstly drawing a builder data flow chart; compiling an information delivery demand definition form; establishing information delivery IDM standards; by adopting a programming means and selecting BIM software Revit developed based on a .NET platform, performing programming of secondary development of the Revit by utilizing programming software Visual Studio 2015 through use of a C# programming language; establishing an interface for the Revit; inserting the standards into the interface; creating a self-defined panel; inserting three buttons into the Revit to realize the following three functions of (1) displaying demand definitions according to selected component elements, (2) searching for the demand definitions in a classified manner and (3) viewing the demand definition form; and performing secondary development on the Revit, thereby finishing the whole information delivery process. The information integrated management system comprises an information delivery platform structure which can be divided into a data source, a structure layer, a data layer, a model layer, a delivery layer, a platform layer and an interface layer module. The information standardized delivery of a BIM is realized by utilizing IFC information standards.

The present invention extends to methods, systems, and computer program products for accessing and manipulating data in a data flow graph. A data flow graph includes one more transforms for transforming data from one or more data stores into different formats accessible to clients. Transforms can be configured to join and split data from the same or different data stores. A metadata tree logically represents the data flow graph including locations that provide output from transforms of the data flow graph. The locations can be referenced by clients to access transformed outputs. Clients can register dependencies on data at various locations and can request evaluation of the data in response to data changes at a corresponding data store. Clients can also request data changes be propagated back through the data flow graph to one or more data stores and implemented at the one or more data stores.

The invention provides a register allocation method for optimizing stack space, which comprises the following steps: 1, analyzing a program intermediate file by a register allotter to obtain a data flow diagram; 2, constructing interference patterns of program variables according to the data flow diagram; 3, optimizing the interference patterns to eliminate false interference edges; 4, trying to color the interference patterns, if the step is successful, indicating no variable overflow and stopping allocating the registers, and otherwise performing the next step; 5, abridging the interferencepatterns, and overflowing the low-priority variables to a stack; 6, allocating the number of actual physical registers for the highest-priority virtual registers; and 7, aiming at the overflow nodes of the step 5), inserting the corresponding codes, and querying the accurate interference patterns of the step 3) to allocate the same stack offset for noninterference overflow variables. The method for eliminating the false interference edges comprises the steps: for two interference variables, further analyzing interference variables which are not intersected with an inference register to deletea connection line of the two variables and eliminate the false interference edges.

The invention discloses a control method and a control device of a cache resource of a shared cache type Ethernet switch, and relates to the communication field. The method includes following steps: receiving a data package and simultaneously performing hash calculation, then obtaining a flow index of the data package, and retrieving a data flow array according to the flow index to obtain flow information; retrieving a queue array according to a queue index to obtain the length of a current queue and a flow number of the queue; updating a used cache variable value of the flow information according to the length of the data package; carrying out different judging treatments of different flow behaviors according to a comparative result of an occupied cache value and a current credit value of the flow information with an average cache value, an attack flow credit threshold value, an attack flow cache value of a system; and updating the used cache value, the current credit value, an active flow count of the queue, the length of the queue in the flow information after forwarding the data package. The control method and the control device of the cache resource of the shared cache type Ethernet switch can respond timely according to a current use condition of the cache, discover an attack behavior rapidly, prevent the attack behavior from consuming the cache resources, and control network congestion effectively.

System and method for generating a data flow diagram. A first case structure may be specified. Each case of the first case structure that includes a respective plurality of input bound data flow nodes may be partitioned into one or more data flow diagram portions. The first case structure may be replaced with a first conditional structure and one or more second conditional structures. The first conditional structure may be operable to select one or more of the plurality of input bound data flow diagram portions in accordance with the conditions of the first case structure. The one or more second conditional structures may be operable to select at least one output from the plurality of input bound data flow diagram portions in accordance with the conditions of the first case structure. The partitioning and replacing may be performed automatically in response to specification of the first case.