WO2011016327A1 - 計算機システム、プログラム及びシミュレーションに使用する計算資源を割り当てる方法 - Google Patents
計算機システム、プログラム及びシミュレーションに使用する計算資源を割り当てる方法 Download PDFInfo
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- WO2011016327A1 WO2011016327A1 PCT/JP2010/062081 JP2010062081W WO2011016327A1 WO 2011016327 A1 WO2011016327 A1 WO 2011016327A1 JP 2010062081 W JP2010062081 W JP 2010062081W WO 2011016327 A1 WO2011016327 A1 WO 2011016327A1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/36—Preventing errors by testing or debugging software
- G06F11/3664—Environments for testing or debugging software
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/46—Multiprogramming arrangements
- G06F9/50—Allocation of resources, e.g. of the central processing unit [CPU]
- G06F9/5005—Allocation of resources, e.g. of the central processing unit [CPU] to service a request
- G06F9/5027—Allocation of resources, e.g. of the central processing unit [CPU] to service a request the resource being a machine, e.g. CPUs, Servers, Terminals
- G06F9/5055—Allocation of resources, e.g. of the central processing unit [CPU] to service a request the resource being a machine, e.g. CPUs, Servers, Terminals considering software capabilities, i.e. software resources associated or available to the machine
Definitions
- the present invention relates to a technique used in a development environment for executing a complicated simulation in which a plurality of simulators cooperate in the development of an embedded system.
- An embedded system is composed of a mechanism that configures a control target, hardware that performs a control operation based on a physical quantity received from the mechanism and outputs a control value to the mechanism, and software that operates on the hardware.
- System For example, in an automobile embedded system, it refers to an engine to be controlled, an electronic device such as a microcomputer for controlling the engine, and software operating on the electronic device. Since the behavior of software included in an embedded system strongly depends on the mechanism to be controlled and the hardware configuration, it is necessary to analyze the behavior that combines the mechanism, hardware, and software.
- Patent Document 1 One way to deal with the above issues is to unify the development environment.
- a calculation environment providing service is disclosed in Patent Document 1. This service lends a server on the network to a user for a fee, and the user obtains a computing environment by remotely operating the server.
- the problems to be solved by the present invention are the first to third problems described in the background art.
- the first issue is that it is difficult to share design files and manage progress due to simultaneous development at multiple locations.
- the second problem is that it is necessary to connect different simulators, which increases the cost of manually adjusting individual simulators and connection parameters between the simulators.
- the third problem is that since a plurality of simulators and calculation resources are required, the cost of introducing and maintaining software and hardware increases, and it is difficult to perform simulation easily.
- the present invention has been made in view of the above-mentioned problems, suppresses the cost required for the introduction and maintenance of a development environment including a plurality of simulators, shares design information, and facilitates parameter adjustment of the simulator. For the purpose.
- the present invention includes a mechanism for extracting and recording a simulator or software usage history for each user with high accuracy in embedded system development, and a mechanism for extracting and recording a user's development process from information collected by the mechanism. Solve one problem.
- the second problem is solved by providing a mechanism for automatically optimizing the simulation configuration from the information collected by the above mechanism.
- the third problem will be solved by enabling the reduction of the initial investment for the environmental maintenance by the service that realizes the unification of the development environment on the computer with the above-mentioned mechanism.
- FIG. 1 is a block diagram illustrating a detailed configuration of an entire system according to a first embodiment of this invention. It is a flowchart which shows the 1st Embodiment of this invention and shows an example of a process in software development mode. It is a flowchart which shows the 1st Embodiment of this invention and shows an example of a process in simulation mode.
- the graph which shows the 1st Embodiment of this invention uses the task imposed from the user by analyzing the time series and the flow of operation as a base point, the simulation trial, the change of the file as a point, and the dependency relation of information as an edge An example of an information flow graph of a structure is shown.
- Explanatory drawing which shows the 1st Embodiment of this invention and shows an example of the simulator structure table 2601 of a simulation structure history database. It is the figure which showed the 1st Embodiment of this invention and showed the example of the system usage fee report with respect to a user. It is the figure which showed the 1st Embodiment of this invention and showed the example of the license fee report with respect to a software provider. It is a block diagram which shows the 2nd Embodiment of this invention and shows the functional element of a computer system.
- FIG. 1 shows an outline of an example of an embodiment of the present invention, and is a functional block diagram of a computer system (embedded device development business support system) that supports development of an embedded system.
- a computer system embedded device development business support system
- a dynamic resource allocation system 100 In a computer system for developing an embedded system, a dynamic resource allocation system 100, a simulation resource 101, a simulation result visualization system 102, a system load / user behavior monitoring system 103, a work computer system 106, and secure communication are used.
- a screen transmission system 104, a user terminal 107, and a software provider terminal 108 are connected via an internal network.
- the above configuration is hereinafter referred to as the present system.
- the user terminal 107 and the software provider terminal 108 can access this system only via the screen transmission system 104 using secure communication.
- Each system, computing resource, and terminal are configured by a computer including a processor, a memory, and an interface.
- the embedded system is a combination of a control target mechanism, hardware that drives the mechanism, and software that controls the hardware.
- the outline of this system is that the built-in software is created by the work computer system 106 in accordance with the input or command from the user terminal 107, and the simulation of the created built-in software is optimized by the dynamic computing resource allocation system 100.
- the dynamic computing resource allocation system 100 executes the optimized simulation task with the simulation computing resource 101 including a plurality of computers.
- the simulation calculation resource 101 includes simulation software (simulator) for executing a simulation and a computer (FIG. 14, cluster node 1400) for executing the simulator, and includes a plurality of applications and applications for performing a plurality of types of simulations. A plurality of computers to be executed.
- the user terminal 107 When executing the simulation of the embedded software, the user terminal 107 instructs the dynamic calculation resource allocation system 100 to execute the simulation. Based on a request from the user terminal 107, the dynamic computing resource allocation system 100 secures software resources and hardware resources of the simulation computing resource 101 and executes the simulation.
- the screen transmission system 104 functions as a gateway that transmits and receives data to and from the user terminal 107 or the software provider terminal 108, authenticates the user terminal 107 (or software provider terminal 108), and authenticates the user terminal 107 that has been authenticated.
- Data is exchanged with (or software provider terminal 108) by highly confidential communication such as encrypted communication (hereinafter referred to as secure communication).
- this system includes a simulation result visualization system 102.
- the simulation result visualization system 102 includes a computer that provides the simulation result calculated by the simulation resource 101 to the user terminal 107 in a graph or the like.
- This system also includes a system load / user behavior monitoring system 103.
- the system load / user behavior monitoring system 103 includes hardware for the simulation computing resource 101, a computer that collects the operating status of the software, a computer that collects the progress status of the embedded system developed by input from the user terminal 107 and commands, and the like. And billing information and statistical information for each user terminal 107 are generated. Details of each computer system will be described later.
- FIG. 2 is a flowchart of the development work of the embedded system performed at the user terminal 107 in this system. With reference to FIG.2 and FIG.1, operation when a user uses this system in this embodiment with the user terminal 107 is demonstrated.
- step 301 the user connects to the screen transmission system 104 with the user terminal 107.
- the screen transmission system 104 authenticates whether or not it has the authority to connect to this system.
- the software provider terminal 108 is connected to the screen transmission system 104, and the screen transmission system 104 authenticates whether or not it has the authority to connect to this system.
- the user or software provider After the authentication, the user or software provider always accesses through the screen transmission system 104, and hence the explanation that the access is through the screen transmission system 104 will be omitted.
- step 302 the user selects work contents on the user terminal 107.
- This system has three modes of work contents: a software creation mode 315 for creating embedded software, a simulation mode 316 for executing a simulation for controlling a mechanism to be controlled by the created embedded software, and This is a development progress / tool usage status / system usage fee confirmation mode 317 for acquiring the usage status of computer resources.
- the system usage fee calculation method is different.
- the screen transmission system 104 requests the user terminal 107 to select one of the three modes after the authentication of the user terminal 107 is completed.
- the screen transmission system 104 notifies the computer system corresponding to the selected mode of the start of use from the user terminal 107.
- the computer system (the dynamic computing resource allocation system 100, the work computer system 106, the system load / user behavior monitoring system 103) that has received the use start notification from the screen transmission system 104 provides the service to the user terminal 107. Start.
- step 304 the user terminal 107 remotely operates the work computer system 106 to develop software for the embedded system, and stores the design file created in step 305.
- the user terminal 107 stores the design file in the work computer system 106 or a storage device in this system.
- the dynamic calculation resource allocation system 100, the simulation calculation resource 101, and the simulation result visualization system 102 execute a simulation instructed by the user terminal 107 according to a command from the user terminal 107.
- step 307 the user inputs a simulation configuration (a plurality of simulation task dependencies) using a plurality of commercial simulation software (or simulators) from the user terminal 107 to the dynamic computing resource allocation system 100.
- the dynamic computing resource allocation system 100 has enough simulators, the simulation result visualization system 102, and the number of CPUs used in the simulation computing resource 101 to execute the simulation task received from the user terminal 107. Ensure the memory capacity, the number of special arithmetic units (accelerators), and the amount of recording area.
- the dynamic computing resource allocation system 100 is configured so that the simulation task configuration is optimally executed based on the connection relationship of each component (development mechanism, hardware, software) in the simulation task input from the user terminal 107.
- the simulator placement relationship on the simulation resource 101 is calculated, and an actual simulation task is constructed.
- simulation task simulation task, simulation configuration, and simulation task configuration are defined as follows.
- the simulation task indicates a simulation target that combines the elements of the mechanism, hardware, and software embedded system.
- One simulation task can include a plurality of simulations.
- Simulation configuration defines the dependency between simulations when multiple simulations are included in the simulation task.
- the simulation task configuration defines the relationship between the cluster node 1400 of the simulation computing resource 101 and the simulation assigned to the cluster node 1400.
- the simulation task configuration is expressed by a command list as shown in FIG. 23, for example.
- FIG. 11 shows a task generation result when an internal combustion engine control system is developed as an embedded system.
- the simulation elements are an engine control ECU, an air flow meter, an injector, and an engine.
- a plurality of simulation software programs (simulators) corresponding to the engine control ECU, the air flow meter, the injector, and the engine are executed.
- the cluster node 1400 that executes each simulator is assigned by a simulation task configuration.
- Dependencies (simulation configurations) of each simulator are as follows in the example of FIG.
- Data such as the intake air amount of the air flow meter is input to the simulator of the engine control ECU.
- the fuel injection amount from the engine control ECU is input to the injector simulator.
- the fuel injection period and fuel injection amount from the injector are input to the engine simulator.
- the rotational speed of the engine is input to the air flow meter simulator.
- the output of the engine is input to the simulator of the entire system (Logger001.exe in FIG. 11). That is, the input / output relationship of data between simulation software programs is a simulation configuration.
- Step 309 executes a simulation. Specifically, when the user instructs the execution of the simulation task configuration constructed by the dynamic computing resource allocation system 100 from the user terminal 107, the dynamic computing resource allocation system 100 inputs the simulation task to the simulation computing resource 101. To do. The cluster node 1400 to which the simulation task is assigned in the simulation computing resource 101 executes the simulation.
- Step 310 displays the simulation result.
- the simulation result visualization system 102 analyzes the simulation task configuration input from the user terminal 107 and estimates a simulation result required by the user.
- the simulation result visualization system 102 further allocates a simulation result that satisfies the user's request to the simulation result visualization unit 715 inside.
- the simulation result visualization unit 715 is an independent program included in the simulation result visualization system 102, and graphs one or more specific types of data in a unique method. There are many implementations depending on the graphing method and the type of data received.
- the result of the simulation performed by the simulation resource 101 is transmitted to the simulation result visualization system 102.
- the simulation result is processed into a form desired by the user and presented to the user terminal 107 through the screen transmission system 104 using secure communication.
- Information collection, recording, and statistics are performed by the system load / user behavior monitoring system 103.
- the collected data can be provided to the user in the development progress / tool usage state / system usage fee confirmation mode 317 described below.
- the system load / user behavior monitoring system 103 includes GUI operation and file operation of the user terminal 107 in the work computer system 106 using secure communication, input of simulation from the user terminal 107 in the dynamic computing resource allocation system 100, The system load on the CPU, memory, network, and storage in the simulation resource 101 is monitored and recorded.
- the system load / user behavior monitoring system 103 performs several processes using the acquired record of the GUI operation and file operation of the user terminal 107, the simulation commanded from the user terminal 107, and the system history data. They are the calculation of the usage fee for the user terminal 107, the creation of a development progress report for the user terminal 107 or the group to which the user belongs, the license fee payment amount for the software provider that provides the simulator installed in the simulation computing resource 101 This is the creation of a usage report for a simulator introduced to the calculation and simulation calculation resource 101.
- step 313 the user terminal 107 selects the type of information desired to be browsed from the development progress report, software usage status report, and system usage fee report.
- step 314 the user terminal 107 browses the selected information through the screen transmission system 104.
- the system load / user behavior monitoring system 103 calculates the usage fee information and development progress report of the system.
- the system load / user behavior monitoring system 103 receives the software usage status and the license revenue report generated by the software usage. be able to.
- FIG. 3 is a block diagram showing a detailed configuration of an apparatus necessary for implementing this system.
- the connection relationship of the devices in this figure is merely an example of the embodiment, and any known or publicly known technique can be used as long as the above-described functions can be obtained.
- the confirmation (authentication) of the user connection information described in step 301 in FIG. 2 is executed by the user connection authority confirmation device 702 in the screen transmission system 104 in FIG.
- an authentication method provided by the user connection authority confirmation apparatus 702 in addition to a method using an ID number and password for identifying a user (user terminal 107), authentication using exchange of a file including encrypted personal identification information is used. It is possible to use a method, an authentication method using an apparatus including personal identification information encrypted on the user side, and the like.
- a method of providing a login program to the system a method of providing it as an application on a web browser, a method of providing it as an independent application operating on a user's personal computer (user terminal 107), and login to the system
- an OS Operating System
- the confidentiality of communication between the user and the system is ensured, and it satisfies the requirement that an unauthorized person using the system cannot log in to the system.
- Well-known or well-known techniques can be used.
- FIG. 4 illustrates the processing flow of the present system in the software creation mode 315.
- the processing of this system in the software creation mode 315 will be described in detail with reference to FIGS.
- the software mentioned here refers to software of an embedded system developed by a user, a simulation model required for executing a simulation, and a simulation result visualization system 102.
- step 401 the user terminal 107 selects a software creation mode.
- step 402 the work computer system 106 assigns a work environment suitable for the user who uses the user terminal 107. By this assignment, the user terminal 107 can use the tool / model database 709 of the dynamic computing resource allocation system 100 via the work computer system 106.
- the work computer system 106 includes a work calculation resource 722, a user file storage 707, and a work environment providing apparatus 703, which will be described later.
- step 304 the user remotely operates the assigned work environment from the user terminal 107 to develop software.
- step 305 the design file created by the user is stored in the user file storage 707.
- the changes made to the user file storage 707 by the user are registered in the operation history database 708 that records the GUI operation and the file history as a file access history by the file history recording device 714 in step 404.
- step 403 the user's GUI operation in the user terminal 107 on the work environment provided by the work computer system 106 is acquired by the user behavior statistics device 713 described later and registered in the operation history database 708.
- the registered GUI operation history is used for visualization of development progress, and is also used as statistical information on the software usage status.
- step 306 when the user of the user terminal 107 finishes the software development and selects to stop using the work environment, the user behavior statistics device 713 uses the OS function of the user terminal 107 to log in to the work environment. The difference between logout time and logout time is acquired as the usage time.
- step 405 the acquired usage time is registered in the resource usage management database 711 that records the system load in this system, and is used to calculate the usage fee in the software creation mode 315.
- the user file storage 707 of the work computer system 106 is a file storage area arranged on the network, and stores a design file created in the software creation mode 315 and a simulation log file in the simulation mode 316.
- the user file storage 707 is divided into small areas for each user or for each organization to which the user belongs.
- the user file storage 707 is classified according to transfer performance and capacity, and the storage usage unit price used when calculating the system usage fee varies depending on the class.
- the usage amount or the allocation amount is registered in advance in the resource usage management database 711 for each small area (for example, block), which is used for the system usage for the user. Used when calculating fees.
- the system administrator maintains the confidentiality of the system by setting the read, write, and reference access privileges for any small area of the user in advance.
- the work computing resource 722 includes a computer on which one or a plurality of OSs (OperatingOperaSystems) operate.
- the work computing resource 722 is in a state where the software provided to the system can be used.
- OSs OperatingOperaSystems
- a well-known or publicly known technique can be used, and typically a plurality of OSs are provided to enable operation of all the software provided in the system.
- a type of OS is used.
- the simulator or software used by the user terminal 107 is different, the setting of the OS provided to the user terminal 107 is typically diverse.
- the number of computers required to satisfy the above requirement increases.
- the number of computers required for work computing resources provided by the work computer system 106 by using virtualization software capable of operating a plurality of OSs on one computer such as VMWare. Can be reduced.
- the work computing resource 722 needs to have a function for acquiring the login time and the user logout time of the user terminal 107, the number of times of use for each type of software used by the user, the usage time, and the usage function.
- a function provided by the OS is used and a case where it is necessary to introduce software supplementing the function not provided by the OS.
- a well-known or well-known technique can be used regarding a method.
- the work environment providing apparatus 703 selects an optimal OS configuration from the work computing resource 722 from the type of OS that satisfies the request of the user who operates the user terminal 107 and the type of software to be used, and selects it from the user file storage.
- 707 is a computer that is connected to the corresponding user area 707 and provided to the user.
- One method is to assign one or more dedicated work environments to all users from the work computing resource 722 and then perform a work performed on the work environment by a user other than the deliverable stored in the user file storage 707. Changes are also saved in the work environment so that they can be reused for future use.
- Another method is to discard the changes made to the work environment by users other than the deliverables stored in the user file storage 707 when all users use the same work environment.
- a well-known or publicly known technique can be used for details regarding a method for providing a work environment except that a product is registered in the user file storage 707.
- One method is to mount the user file storage 707 as a disk area that can be written only by the user on the OS constituting the work environment.
- the user actively copies the design file to the user file storage 707 without mounting it on the OS constituting the work environment.
- FIG. 5 illustrates a processing flow of the present system in the simulation mode 316.
- the operation in the simulation mode 316 will be described in detail with reference to FIGS. 5, 2, and 3.
- the simulation is executed by the dynamic calculation resource allocation system 100, the simulation calculation resource 101, and the simulation result visualization system 102.
- the dynamic computing resource allocation system 100 includes a simulation task input device 704, a simulation task generation device 705, and a simulation task issue device 723.
- each of these devices is an independent computer, but a program for realizing the functions of these devices can be executed by one computer.
- the simulation result visualization system 102 includes a simulation result visualization unit 715 assigned by the simulation task generation device 705, and the simulation result visualization unit 715 is connected to the screen transmission device 701 of the screen transmission system 104.
- step 307 in FIG. 2 the user terminal 107 uses the simulation task input device 704 to create a simulation configuration desired by the user.
- step 501 the simulation task generation device 705 of the dynamic calculation resource allocation system 100 estimates a calculation resource necessary for executing the simulation configuration received from the user terminal 107.
- step 308 the dynamic computing resource allocation system 100 calculates the necessary time and cost calculated by the simulation task generation device 705 and the simulation allocated to the computing resources (cluster node 1400 in FIGS. 13 and 14). Is presented on the user terminal 107.
- the user using the user terminal 107 returns to step 307, adjusts the parameters with the simulation task input device 704, and generates the simulation task again. Request a quote from device 705.
- the user 107 instructs the simulation task issuing device 723 to execute the generated simulation task.
- the simulation task issuing device 723 follows the command list 1202 illustrated in FIG. A minimum number of cluster nodes satisfying the required number of CPUs and the amount of memory are secured out of 101.
- the license of all software required for the simulation configuration input from the user terminal 107 is secured by the license server 724 described later, and the simulation is started.
- step 504 the simulator executed on the cluster node 1400 of the simulation resource 101 shown in FIGS. 13 and 14 advances the simulation while exchanging data with each other.
- step 310 the simulation result visualization unit 715 of the simulation result visualization system 102 accumulates data received from one or more simulators (cluster node 1400), and becomes a graph designated by the user terminal 107. Process the accumulated data.
- the simulation result visualization unit 715 performs simulation on the user terminal 107 via the screen transmission system 104 in the simulation mode 316.
- Provide visualized data (such as graphs).
- the simulation result visualization unit 715 holds the processed data in the user file storage 707. In response to a request from the user terminal 107, the simulation result visualization unit 715 provides data visualized from the user file storage 707.
- the load on the system during simulation execution is recorded in the system load / user behavior monitoring system 103 by the following processing.
- step 506 shown in FIG. 5 the load on the CPU and memory of the cluster node 1400 to which the simulation task configuration is assigned by the simulation calculation resource 101 is measured, and in step 505, a simulation log is recorded.
- the data is recorded as the resource usage in the resource usage management database 711 of the system load / user behavior monitoring system 103 shown in FIG.
- the system load during the simulation execution stored in the resource usage management database 711 is analyzed together with the behavior information of the user terminal 107 after the simulation stored in the operation history database 708.
- the analysis result is fed back to the task generation algorithm of the simulation task generation device 705 to improve the accuracy of generating the simulation task configuration.
- the task input device 704 and the simulation result visualization unit 715 are implemented as independent applications from the simulation calculation resources 101 and assigned to a simulation execution work environment.
- Another method presents the task input device 704 and the simulation result visualization unit 715 as applications on the web browser.
- any known or publicly known technique may be used for the method of presenting the task input device 704 and the simulation result visualization unit 715 to the user.
- the license server 724 of the dynamic computing resource allocation system 100 is a computer that holds a license key necessary for starting the software installed on the simulation computing resource 101.
- license authentication by the license server 724 is used is described.
- a known or publicly known technique can be used in the present invention.
- the former authentication for each computer is necessary.
- the number of licenses to be increased increases the cost of computer management.
- FIG. 7 shows an example of a typical configuration of the simulation task input device 704 of the dynamic computing resource allocation system 100.
- the simulation task input device 704 is implemented as a computer that executes a GUI application including a task construction screen 801 and a tool palette 802.
- the tool palette 802 includes all the simulation models that can be used for the simulation configuration as a plurality of component blocks 804, and each component block 804 includes one simulation model or a set of simulation models. Assuming that a large number of simulation models are registered in the tool palette 802, an implementation in which the types are divided and displayed in the menu 806 for each type of simulation model is also conceivable.
- classification according to application fields such as an automobile system, an aeronautical system, an OA system, and a hydraulic machine system
- classification according to a physical hierarchy of a simulation target such as an electronic system and an environmental model, or a simulation model described later is performed.
- the classification by the simulator to be executed is presented.
- the automobile system is selected from the menu 806, and simulation models of mechanical system parts such as engines and motors in automobile embedded systems, drive system parts such as injectors and sensors, and electronic system parts such as control controllers are shown. It is displayed.
- the user places the part block 804 selected from the tool palette 802 on the task configuration screen 801, and uses the arrow line 815 to connect the parts between the part blocks 820 to 825 arranged on the task configuration screen 801. Can be described. At this time, the user does not need to explicitly specify which software is used to execute each of the component blocks 820 to 825 and how many I / O interfaces are connected. Further, the user can display a parameter setting screen 805 for each of the component blocks 820 to 825 arranged on the task configuration screen 801 from the user terminal 107.
- the parameter setting screen 805 initially displays standard operation parameters of the components 820 to 825, and the user can appropriately change the operation parameters from the user terminal 107 according to the simulation configuration.
- the operation parameters of each model there are a step period 817 for event update, an abstraction level 807, internal data 808 that the user wants to visualize, and the like.
- the simulation result visualization unit 715 for visualizing data is assigned to the simulation environment in such a manner that it is inserted into the component for which the internal state is to be monitored or the connection between the components on the task construction screen 801. In addition, it is possible to abstractly select a presentation method to be used at that time.
- the user assigns the continuous graphing visualization unit 811 to the visualization of the engine block 825 and assigns the discrete graphing visualization unit 821 to the visualization of the internal state of the engine control ECU 820. Is specified.
- the user sets parameters used by the simulation task generation device 705 when generating a simulation task described later.
- the user designates the target end time 816 of the simulation configuration designated from the user terminal 107.
- the setting method of the target end time 813 there are two types of methods, a method for specifying the time at which the simulation is desired to end and a method for specifying the elapsed time, as shown in FIG. A well-known or well-known technique can be used.
- the task configuration screen 801 is a GUI that performs setting and display in response to an input from the user terminal 107.
- the simulation configuration input by the user from the user terminal 107 can be saved.
- the user can save the simulation configuration on the task construction screen 801 in the simulation configuration history database 721 by pressing a save button 813 on the task construction screen 801.
- the user sets, from the user terminal 107, the disclosure range of the saved simulation configuration, presence / absence of detailed reference / change authority of the configuration, and ON / OFF of the parameter edit items of each component block Is possible.
- FIG. 8 shows an example of screen display when the subsystem stored in FIG. 7 is reused.
- the created simulation configuration 900 can be shared with other users and reused.
- the simulation configuration 900 saved by the user in the simulation configuration history database 721 is displayed in the user definition menu 906 of the tool palette.
- this simulation configuration 900 is arranged on the task construction screen 801
- the simulation environment constructed in FIG. 7 is expanded as shown in FIG. 8, and the parameters set by the user who created the subsystem are displayed on the parameter setting screen 901.
- the user of the subsystem can refer to / change the detailed parameters of each component constituting the subsystem, or It is possible to add a new simulation model or visualization target in the system.
- FIG. 9 shows a configuration example when it is necessary to explicitly specify software to be used for each simulation target component in the simulation task input device 704 of the dynamic computing resource allocation system 100.
- the difference from FIG. 7 is that all parts displayed on the tool palette 1000 are designated.
- the arrangement method on the task construction screen 801 and the operation parameter setting method are the same as those in FIG.
- the present invention does not limit the configuration of the simulation task input device 704 to any of the configuration example of FIG. 7, the configuration example of FIG. 8, or the configuration example of FIG. May be.
- FIG. 10 is a screen image showing an example of the user interface of the simulation task.
- This user interface presents the result of assignment of the simulation task configuration to the simulation computing resource 101 on the user terminal 107.
- the screen display of the simulation task input device 704 is reused, and the scheduled end time of the simulation, the overall cost of the simulation, and the breakdown thereof are shown in the screen.
- the task generation work described with reference to FIGS. 7 to 10 is a simulation task that receives a simulation configuration created from the user terminal 107 using the simulation task input device 704 of the dynamic resource allocation system 100 as an input and can execute it. It is defined as an operation to convert to a configuration column.
- the simulation task configuration is generated by adjusting parameters such as simulation or computer configuration according to the granularity of the simulation model and the characteristics of the simulator executing the simulation model.
- the granularity of the simulation model is the minimum unit size in the simulation model. For example, there is a large difference in the level of abstraction depending on the simulation model, such as modeling at a low level of abstraction such as the signal line level in System C and modeling at a high level of abstraction such as the data communication level. This greatly changes the amount of communication between components that are directly coupled to the amount of calculation required for the simulation.
- a simulation model with a lower level of abstraction requires more computation and communication, but it is possible to acquire detailed internal information.
- a simulation model with a high degree of abstraction requires a small amount of calculation and communication, but has low time accuracy and limited acquisition of internal states.
- FIG. 11 shows an example in which a simulation task configuration 1101 is generated using a simulation of an engine control ECU as a simulation task when an internal combustion engine control system is developed as an embedded system.
- the engine control ECU, the air flow meter, the injector, and the engine which are simulation elements, respectively include software for executing simulation (execution tool in the figure), model for executing simulation (use model in the figure), and parameters to be used (use parameters).
- the identifier (execution node in the figure) of the cluster node 1400 that executes the simulation is assigned.
- FIG. 12 shows a flowchart of task generation by the simulation task generation device 705 of the dynamic computing resource allocation system 100. This corresponds to the simulation task generation step 501 of FIG. 5 and the step 502 of recording the task configuration.
- a task generation process of the simulation task generation apparatus 705 will be described.
- step 1203 the simulation task generation device 705 generates a task with the simulation configuration created using the simulation task input device 704 as an input.
- the simulation task generation device 705 associates with a simulator that executes each component included in the simulation configuration.
- the association between the parts and the simulator is necessary to execute each part included in the simulation configuration by searching (step 1210) in the tool / model database 709 in which information on the simulation model used in the simulation configuration is recorded. Information on the type of simulator (simulation software) and the granularity of the simulation model.
- the simulation task generation device 705 When acquiring, the simulation task generation device 705 refers to the simulation configuration history database 721 that records the simulation task configuration executed in the past (step 1212). When a history of execution of the equivalent configuration can be found, the history data of the simulation configuration history database 721 can be reused without querying the tool / model database 709.
- step 1205 the simulation task generation device 705 assigns a task to the simulation calculation resource 101 of the simulator and the simulation model.
- the computing resource management database 706 is referred to (step 1211). Specifically, requests for the calculation amount and communication amount of each component, and information on the calculation capacity, communication capacity, and use state of the calculation resource of the simulation calculation resource 101 recorded in the calculation resource management database 706 described later Based on the above, in order to simulate each part of the simulation configuration, a task and a simulation model 101 are assigned tasks to the simulation calculation resource 101.
- task assignment it is determined whether to place the cluster node 1400 near or far away according to the amount of communication between components. In addition, those with too much traffic are allocated within the same node. Also, since the execution time and data are synchronized between the components by TCP / IP communication, a port number used for data communication is also assigned.
- the simulation task generation apparatus 705 includes a simulation result visualization unit 715 that needs to sequentially display the results during simulation execution
- the simulation task visualization unit 705 is coupled to the simulation mode presentation user interface. Also do.
- the simulation task generation device 705 adjusts parameters of each simulation task.
- the parameter adjustment of the simulation task refers to the simulation configuration history database 721, and for each combination of the simulator and the simulation model, the history of the parameters of each simulator when performing a simulation with similar parts, part connection relations, and cluster arrangements. Is searched (step 1212).
- the results that match the above search conditions use the simulation parameters. If the search result is not found, the parameters input by the simulation task input device 704 and the similar configuration history are searched in the simulation configuration history database 721, and the parameters for the simulator acquired from the configuration having the high effectiveness of the simulation results are generated. .
- the validity of the simulation result is a numerical value obtained by analyzing the behavior of the user after executing the simulation and evaluating whether the simulation result is an analysis result or an execution speed according to the user's wishes.
- the flow of effectiveness analysis of simulation results will be described later.
- step 1207 the simulation task generation device 705 determines the execution parameter for each combination of the simulator and the simulation model, thereby generating a simulation task command list 1202 to be executed by the simulation calculation resource 101 as illustrated in FIG. Determine.
- the types and number of simulators and simulation visualization units 715 necessary for the simulation, the amount of calculation resources, and the connection relationship of the calculation resources can be understood. Based on these, it is possible to refer to the simulation configuration history database 721 and predict how much time and computing resources are required for a similar simulation.
- the simulation task generation device 705 calculates the expected cost of the simulation to be presented to the user from the user terminal 107 when the predicted value of time and used resources can be calculated. The expected value is presented to the user. The system waits until an instruction for either simulation execution or simulation task regeneration is received from the user terminal 107.
- the simulation task generation device 705 When an instruction to regenerate a simulation task is issued from the user terminal 107, the simulation task generation device 705 subtracts the task generation accuracy of the simulation configuration presented to the user terminal 107, and again generates another generation parameter (simulation element). Generate a simulation task using.
- the task generation accuracy is a numerical value given to each simulation task generated by the simulation task generation device 705, and is calculated by subtracting 1 or adding 1 based on the effectiveness evaluation of the user for the executed simulation task.
- the simulation task generating device 705 passes the command list 1202 to the task issuing device 723 and starts the simulation.
- a well-known or publicly known technique can be used other than having the operation flow described in FIG.
- the computing resource load measuring device 712 observes the system load on the simulation computing resource 101 during simulation execution and records the observation result. Specifically, the system load (for example, processor usage rate) of each cluster node 1400 of the simulation computing resource 101 is acquired and recorded in the resource usage management database.
- the system load for example, processor usage rate
- step 1209 the simulation task generation device 705 analyzes the simulation result and the configuration of the executed simulation after executing the simulation, and evaluates the effectiveness of the simulation.
- the user behavior statistics device 713 can acquire what kind of action the user takes according to the result.
- the simulation task generation device 705 determines that the user is not satisfied with the automatic assignment performance by the simulation task generation device 705, and subtracts the task generation accuracy of the simulation configuration history.
- the simulation task generation apparatus 705 When the user receives the simulation result at the user terminal 107 and it is found from the measurement result of the user behavior statistical apparatus 713 that the same component configuration and the same simulator operation parameter are used, the simulation task generation apparatus 705 corresponds. Add task generation accuracy in simulation configuration history.
- the simulation task generation device 705 uses the validity of each configuration history entry in the simulation configuration history database 721 so that a simulation configuration history with high effectiveness is used from the next time.
- the simulation task generation device 705 can improve its task generation accuracy by the above-described mechanism.
- the tool model database 709 is a database that stores information on an arbitrary simulation model that can be used in the present system.
- a table configuration 1200 in FIG. 19 illustrates an example of a table configuration of the tool / model database 709.
- the tool model database 709 includes an identifier (part name in the figure) of each simulation model, an identifier of a simulator that can execute the simulation model (tool in the figure), and version information of the simulator that can be executed (in the figure). Version), the granularity of the simulation model (model granularity in the figure), and the number of input / output ports of the simulation model are stored as connection information in the figure.
- This table configuration is the minimum table configuration for realizing the present invention, and information to be stored may be further increased.
- the computing resource management database 706 is a database that manages the state of the simulation computing resource 101 of this system.
- FIG. 24 illustrates an example of a table configuration of the computing resource management database 706.
- the computing resource management database 706 is a database that stores the computing capacity of the cluster node 1400 that constitutes the simulation computing resource 101, node position information, usage status, scheduled return time from usage status, and the like.
- a cluster node class 2401 is obtained by classifying the simulation computing resource 101 by its CPU performance and RAM capacity.
- the class of the cluster node is used for calculating the cost in the simulation execution described later.
- the node arrangement 2402 stores location information on the target cluster node on the network.
- an IP address is used as location information on the network.
- the positional relationship on the network can be grasped from the IP address, and the traffic can be estimated based on the positional relationship on the network.
- a node with a closer IP address can support a higher traffic.
- This table configuration is a minimum table configuration for realizing the present invention, and information to be stored may be further increased.
- the simulation configuration history database 711 of the dynamic computing resource allocation system 100 stores the simulation task configuration generated by the simulation task generation device 705, that is, the type of simulator used in a certain simulation, the simulation model, and the connection relationship between the simulators ( Simulation configuration), a database for storing parameters used in each simulator and the effectiveness of the execution result of the simulation configuration.
- FIG. 26A shows an example of the simulation configuration table 2600 of the simulation configuration history database 711.
- a simulation identifier (simulation ID in the figure), a simulation start time (start time in the figure), a target end time, an actual end time (actual end time in the figure), a simulation configuration (simulation configuration file in the figure)
- a link to another table storing the path) and the simulation effectiveness are stored.
- FIG. 26B shows an example of the simulator configuration table 2601 of the simulation configuration history database 711.
- the simulator configuration identifier simulation ID in the figure
- the simulator type simulation model file storage location
- the simulation model identifier adjacent configuration ID in the figure
- a known or publicly known technique can be used for other parts.
- the computing resource load measuring device 712 can be realized by, for example, an OS standard system state acquisition program installed in the simulation calculation resource 101 introduced by the system provider.
- the computing resource load measuring device 712 can use well-known or publicly known technology for details thereof, except that the execution time of each process, CPU load, and RAM usage can be recorded.
- a computer for acquiring the load information of each cluster node 1400 may be executed by the computer of the system load / user behavior monitoring system 103.
- FIG. 14 illustrates an example of a minimum structure of a cluster that is a component of the simulation resource 101.
- FIG. 13 illustrates a configuration example of a cluster node that is a component of the cluster.
- the simulation computing resource 101 has a minimum cluster structure 1403 in which one or more cluster nodes 1400 and one or more storage systems 1402 are connected to each other by a communication network 1401.
- the simulation computing resource 101 can have a structure in which one minimum cluster structure 1403 or a plurality of minimum cluster structures 1403 are connected by a communication network 1401.
- a communication network 1401 any of a local area network (LAN), the Internet, a wide area network (WAN), a dedicated line, a wireless network, a public line network, and a mobile phone network can be applied. I don't care.
- the communication network 1401 may be subjected to application of a virtual dedicated network technology such as VPN (Virtual Private Network).
- the basic configuration of the cluster node 1400 includes one or more processors 1300, one or more memories 1303, a controller 1301, one or more accelerators 1302, and network interface 1304 elements.
- the number of elements and the connection relationship are not limited.
- FIG. 6 and 3 are used to explain an example of processing in the development progress / tool usage state / system usage fee confirmation mode 317.
- FIG. 6 and 3 are used to explain an example of processing in the development progress / tool usage state / system usage fee confirmation mode 317.
- the information provided in the development progress, tool usage status, and system usage fee confirmation mode 317 is analyzed using the latest data from the system information search 600 at that time periodically by a method described later.
- the development progress extraction device 718 in the system load / user behavior monitoring system 103 analyzes the information using the latest data in the development progress report creation 603 and the software usage status report creation 604.
- the system usage fee generation device 716 analyzes the information using the latest data in the system usage fee report creation 601 and the license fee report creation 602.
- the development progress report is recorded in the development progress information database 720
- the software usage status report is recorded in the tool usage status database 719
- the system usage fee report and the license fee report are recorded in the billing management database 717.
- the user who has selected the development progress / tool usage status / system usage fee confirmation mode 317 in step 302 selects the type of information to be confirmed from the development progress report, tool usage status report, and system usage confirmation report in step 313. To do.
- the system searches the development progress information database 720, the tool usage status database 719, and the charge management database 717 for the latest report. If the corresponding report data is found, it is presented to the user terminal 107 via the screen transmission device 701 in step 314.
- the user can limit the information that the user can see in advance when concluding the use contract of this system.
- a user who develops with this system can receive a development progress report and usage fee information, but cannot view license fee information.
- FIG. 15A shows that the system usage fee generation device 716 bills the user using the user terminal 107 from the information of the operation history database 708, the resource usage management database 711, and the resource price database 710, and the usage fee and software provision of this system Shows a procedure for calculating a license fee to be paid to a user.
- step 1500 and step 1501 the system usage fee generation device 716 displays, for each user, the load history of the simulation calculation resource 101 and the GUI operation history within the usage time by the user of the work computer system 106, respectively.
- the management database 711 and the operation history database 708 are searched.
- step 1503 the system usage fee generation device 716 extracts the CPU usage amount, the RAM usage amount, and the required time for each used function based on the combination of the load history of the simulation computing resource 101 and the GUI operation history of the work computer system 106. To do.
- step 1502 the system usage fee generation device 716 searches the resource price database 710 for the calculation resource unit price and the tool unit price for each tool used from the user terminal 107 using the usage calculation node as a keyword.
- step 1504 the system usage fee generation device 716 collects the data collected in steps 1502 and 1503. (CPU usage x RAM usage x computing resource unit price + tool unit price) x usage time.
- This calculation formula corresponds to a calculation in which the usage amount of the computer resource is multiplied by the unit cost of the computer resource.
- the system usage fee generation device 716 calculates and aggregates the system usage fee according to the usage amount of the function of this system for each user of the user terminal 107.
- step 1513 the system usage fee generation device 716 searches the resource usage management database 711 for the storage usage of the user of the user terminal 107 and searches the resource price database 710 for the storage unit price. Furthermore, in step 1505, the storage usage amount and the storage unit price are multiplied and added to the system usage fee as a storage usage fee.
- the resource price database 710 will be explained later.
- step 1505 the system usage amount for the user is Given in.
- step 1506 the system usage fee generation device 716 collects the total system usage fee and the details including the calculated storage usage fee, and creates a system usage fee report 2700 as illustrated in FIG. Finally, in step 1512, the created system usage fee report 2700 is registered in the accounting management database 717.
- step 1507 and step 1501 the system usage fee generation device 716 manages the resource usage amount of the load history of the simulation calculation resource 101 for each software and the GUI operation history within the usage time by the user of the work computer system 106. Search from the database 711 and the operation history database 708.
- step 1509 a detailed required time for each function used is extracted based on the combination of the load history of the simulation resource 101 and the work computer system 106 GUI operation history.
- step 1508 the system usage fee generation device 716 searches the resource price database 710 for the unit price of software using the function of the software as a keyword and multiplies it with the extracted required time.
- step 1510 the software license payment fee for the software provider is Calculated by
- step 1511 the system usage fee generation device 716 totals the calculated software license fees and details, and creates a license fee report 2800 as illustrated in FIG. Finally, in step 1512, the created system usage charge report 2800 is registered in the charge management database 717.
- the system usage fee generation device 716 generates the system usage fee report 2700 and the system usage fee report 2800.
- the resource price database 710 in the system load / user behavior monitoring system 103 stores the contract information of the software provider, the license fee and the system usage fee that are linked with the user in advance.
- the storage price table 1730 of the resource price database 710 stores the performance, capacity, and unit price per usage time for each storage class in the system.
- the cluster node price table 1740 of the resource price database 710 stores the installed CPU, hardware type, memory installed amount, unit price per time / unit CPU usage / unit RAM usage for each node type.
- the tool price table 1750 of the resource price database 710 stores vendor information and unit price per function / unit time for each software and function.
- the unit price information stores two prices: a unit price for payment to the software provider and a unit price for billing to the user.
- the resource usage management database 711 in the system load / user behavior monitoring system 103 is a database that records usage loads on the simulation calculation resource 101, the work calculation resource 722, and the user file storage 707.
- FIG. 17 illustrates a table configuration example of the resource usage management database 711.
- the resource usage management database 711 includes a storage usage history table 1700 that stores the usage history of the user file storage 707 used by the user terminal 107, and a system load that stores the load history of the cluster node 1400 used by the computational resource 101 for simulation.
- a history table 1710 and a remote OS usage time table 1720 are included.
- the storage usage history table 1700 records information including the usage for each storage area secured on the user file storage 707 by the user of the user terminal 107.
- the user identifier, the used storage amount, and the storage class identifier are recorded.
- the storage usage amount of each user in the user file storage 707 in the work computer system 106 is sequentially monitored by a storage usage totaling program executed by the system load / user behavior monitoring system 103.
- the system load history table 1710 stores the system load of tasks executed by the user of the user terminal 107 on the simulation calculation resource 101.
- used software In the present embodiment, used software, task start time, task end time, type of cluster node used, average value and peak value of CPU usage and memory usage are recorded.
- the remote OS usage time table 1720 records the usage time of the user in the work environment computing resource 722 in the work computer system 106.
- the user identifier, the login time to the work environment computing resource 722, and the logout time thereof are recorded.
- the operation history database 708 is a database that holds operations performed by the user on the GUI or file on the system via the user terminal 107 and behaviors analyzed from the operation history.
- FIG. 18 shows a table configuration example of the operation history database 708.
- the operation history database 708 includes a user behavior RAW data table 1820 for storing a history of use of the system by the user from the user terminal 107, an event table 1810 for storing an analysis result of the user behavior statistics device 713, and a user for each user.
- a file history table 1800 for storing a history of accessing the user file storage 707 from the terminal 107.
- the user behavior RAW data table 1820 retains the data acquired by the user behavior statistics device 713 from the user's operation on the simulation task input device 704 and the work calculation resource 722 as it is. Therefore, the table 1820 only records the event history of the GUI component of each tool such as an operation on the mouse, the entered text, and the like.
- the event table 1810 stores data obtained by performing a template analysis on the data of the user behavior RAW data table 1820 and the file history table 1800 by the user behavior statistics device 713.
- the user behavior statistics device 713 stores a pair of GUI operations corresponding to a GUI operation sequence (template), compares the user's GUI operation history with the template, and determines that the probability of the most correspondence is high by statistical means. Output computer operation event. In the present application, this matching is referred to as template analysis.
- an operation event for each tool for example, what part was handled on the tool, and what option was selected from the GUI operation history column of the user behavior RAW data table 1820 Can be estimated.
- the event table 1810 stores user identifiers, software types, event occurrence times, and event contents.
- this system In extracting the development progress status and tool usage status, this system periodically analyzes information without receiving user requests, and stores the latest report file in each database each time.
- the information analysis method of this system estimates the process of creating simulation results as development results from software parts as materials from the use of each tool and access to files.
- the development progress extracting device 718 searches for a job for each user.
- a job assigned to a user or a user group using the user terminal 107 for example, a simulation including a certain part and software is registered in the system by the user or the administrator of the user group or the user himself / herself.
- a well-known or publicly known technique can be used for the job input method and storage method.
- step 1608 the development progress extracting device 718 searches the simulation configuration history database 721 and the resource usage management database 711 of the dynamic computing resource allocation system 100, and the simulation task configuration corresponding to the job searched in step 1607. Find the history of. If a search result is found, in the next step 1609, dependency relation analysis of information related to the simulation is performed.
- step 1600 the development progress extracting apparatus 718 executes a search using the identification number of the user or user group and the corresponding simulation as keywords.
- the resource usage management database 711 the simulation execution time and the software and file information used in the simulation are searched.
- step 1600 the development progress extracting device 718 aggregates the search results and creates an information flow graph 2100 as shown in FIG.
- the information flow graph 2100 in FIG. 21 is based on the simulation task imposed on the user by analyzing the time series and operation flow, the simulation trial and the file change are the points, and the information dependency is the edge. It has a graph structure. If there is a step that refers to the information corresponding to the information or file that has been changed by a certain step at a later time, such as steps 2101 and 2102 in FIG. 21, there is a dependency between the two steps. Think of it as having a relationship.
- the development progress extracting device 718 visualizes the dependency sequence as a loop 2103 together.
- step 1602 the development progress extracting device 718 creates or changes a file or software created or changed in the execution process of the simulation job imposed on the user by the information flow graph 2100 obtained by analyzing the development information obtained in step 1600. It is possible to extract a list of In step 1603, the development progress extracting device 718 issues a development progress report including the extraction result and records it in the development progress information database 720.
- the development progress extracting device 718 also analyzes the loop structure of the information flow graph 2100.
- An example of the analysis of the loop structure is as follows. When the simulation is continuously tried without changing the simulation configuration or parameters, in the information flow graph 2100, a self-closed path, that is, a part where an edge from a certain point to itself exists, exists in the simulation part.
- the analysis of the loop structure in addition to the extraction of the self-closing circuit, the hierarchical structure of the loop is extracted, the work efficiency of the workflow is measured, and the achievement degree of the job imposed on the user is extracted.
- the development progress extraction device 718 has a development progress report 1604 (exemplified in FIG. 22) that includes the progress rate of the simulation process extracted in step 1602, information on the file created during the execution of the simulation, the number of simulations executed and their effectiveness. ) Is created and stored in the development progress information database 720.
- the development progress report 1604 in FIG. 22 is merely an example of the configuration, and a well-known or publicly known technique can be used as a method for adding and expressing information other than those listed above.
- steps 1608 and 1609 of FIG. 16B the search for the resource usage management database 711 and the simulation configuration history database 721, the information flow analysis, and the creation of the information flow graph 2100 are the same as the development progress analysis described with reference to FIG. 16A. It is. However, in the extraction of the software usage status shown in FIG. 16B, a search is performed using the ID of the software installed in the system as a keyword.
- the development progress extracting device 718 acquires the function and parameter usage frequency distribution of the corresponding software from the event table 1810 of the operation history database 708. Further, based on the information flow graph 2100 used for the above-described development progress extraction, information on a file used in cooperation with the corresponding software or other software is collected.
- step 1605 the development progress extracting apparatus 718 processes the collected information into a form that can be visualized as a tool usage status report 2500 as shown in FIG.
- the tool usage status report 2500 is stored in the tool usage status database 719 and issued to the software provider (step 1606).
- the tool usage status report 2500 in FIG. 25 is merely an example of the configuration, and well-known or publicly known techniques can be used for information addition and expression methods other than those listed above.
- the dynamic computing resource allocation system has a simulation task configuration based on the connection relationship of each component (development mechanism, hardware, software) in the simulation task input from the user terminal. So that the simulator is placed on the simulation computing resource and an actual simulation task is constructed. Thereby, a simulation can be executed at high speed.
- the simulator or software usage history is extracted and recorded with high accuracy, and the development process for each user is extracted from the recorded information. Thereby, management of progress for every user can be performed easily.
- the past parameters and simulation configurations are reused from the collected information for each user to automate the linkage of multiple simulators and simulator parameter adjustment, so that the developer (user) has detailed know-how. Even in the absence of the simulation, it is possible to easily execute a simulation with excellent speed and accuracy. This makes it possible to improve the efficiency of embedded system development.
- FIG. 29 is a block diagram showing an outline of an example of the second embodiment of the present invention.
- the second embodiment includes a high security file transmission system 105 in addition to the configuration of the first embodiment.
- a system usage fee report, a license fee report, a development progress report, and a software usage status report provided from the system load / user behavior monitoring system 103 through the high-security file transmission system 105 are stored as files in the user terminal 107 or the provider terminal 108. Can receive.
- the function of the development progress extracting device 718 constituting the system load / user behavior monitoring system 103 shown in FIG. 3 of the first embodiment calculates the system usage fee and the license usage fee generated by using this system. You may incorporate in a system utilization fee production
- the system usage fee generation device extracts the development progress of extracting the user's development process in the system, and requests the system usage fee from the user's screen operation information, file operation information, and the load on the simulation computing resource in the system. Calculate the amount and license fee payment, and create a development progress report and a software usage report for each user.
- the work computer system 106 shown in FIG. 3 of the first embodiment functions as a work calculation resource including a computer that is arranged on the network and can be remotely operated from the user terminal 107. Further, the work computer system 106 functions as a user file storage including a storage that is arranged on the network and is created from the user terminal 107 and can be shared with other user terminals 107.
- the work computer system 106 functions as a work environment providing device as a device that combines and provides the work calculation resource and the user file storage in response to a request from the user terminal 107. As described above, the work computer system 106 realizes creation of a design file on the user terminal 107 and sharing of the design file by the plurality of user terminals 107.
- the simulation task input device 704 of the dynamic computing resource allocation system 100 shown in FIG. 3 of the first embodiment can arrange a tool palette capable of selecting a simulation model that can be used from the user terminal 107 and a simulation model. Equipped with a simple model building screen.
- the tool palette and the model construction screen are GUIs that allow the simulation task input device 704 to perform a simulation configuration in response to an input from the user terminal 107.
- the tool palette provides a GUI in which one or a plurality of simulation models in which specific details are omitted are arranged.
- the model construction screen places a simulation model selected from the tool palette, connects the placed models with lines, and displays and sets information unique to the simulation model.
- the simulation task input device 704 constructs a simulation configuration.
- each device in the screen transmission system 104 using the above is expressed as a computer, software executed by each device may be executed by one computer.
- each device in the systems 101 to 104 may be read as, for example, a user behavior statistics unit.
- the software program that operates in this system can be stored on a computer-readable medium with or without compression. Any type of medium such as a semiconductor memory, magnetic disk or optical disk may be used.
- the present invention can be applied to a computer system and a development system program for performing design by executing a simulation.
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Abstract
Description
以下、本発明の一実施形態を添付図面に基づいて説明する。図1は本発明の実施形態の一例の概略を示し、組み込みシステムの開発を支援する計算機システム(組み込み機器の開発業務支援システム)の機能ブロック図である。
(CPU使用量×RAM使用量×計算資源単価+ツール単価)×利用時間
の計算式に従って計算する。この計算式は、計算機資源の使用量に計算機資源の使用単価を乗じる計算に相当する。システム利用料生成装置716は、ユーザ端末107のユーザ毎に、本システムの機能の利用量に応じたシステム利用料金を計算して集計する。
により算出する。
図29は本発明の第2の実施形態の一例の概略を示すブロック図である。第2の実施形態は、前記実施形態1の構成に加え、高セキュリティファイル送信システム105を備えている。高セキュリティファイル送信システム105を通じて、システム負荷・ユーザ挙動監視システム103から提供されるシステム利用料レポート、ライセンス料レポート、開発進捗レポート及びソフトウェア利用状況レポートを、ファイルとして、ユーザ端末107または提供者端末108が受け取ることができる。
Claims (15)
- プロセッサとメモリを備えた複数の計算機を含んでシミュレーションを実行するシミュレーション用計算資源を備えた計算機システムであって、
ネットワークを介して端末に接続されて、前記端末からシミュレーションタスクの生成要求を受け付けて、前記端末からの前記要求に基づいて前記シミュレーションタスクに含まれるシミュレーション構成を生成し、前記シミュレーション構成に含まれるシミュレーションを前記シミュレーション用計算機資源に発行する動的計算資源配分部と、
前記端末から受け付けたシミュレーションタスクの生成要求を格納するストレージ部と、
前記端末から受け付けたシミュレーションタスクに対する操作履歴と、前記シミュレーションタスクの実行に要したシミュレーション用計算資源の負荷とを、前記端末のユーザ毎に収集する履歴監視部と、を備え、
前記シミュレーション用計算資源は、複数種のシミュレータを予め備え、
前記動的計算資源配分部は、
前記シミュレーション用計算資源に実行させたシミュレーションの要素を記録し、前記受け付けたシミュレーションタスクに対して前記記録した過去のシミュレーションの要素を適用し、当該要素を適用するシミュレーションを実行する前記シミュレーション用計算資源を前記履歴監視部が収集したシミュレーション用計算資源の負荷に基づいて割り当てる計算機システム。 - 請求項1に記載の計算機システムであって、
前記動的計算資源配分部は、
前記端末から受け付けたシミュレーションタスクの生成の要求を満たすシミュレーション構成を生成するシミュレーションタスク入力部と、
前記生成されたシミュレーション構成から前記シミュレーション用計算資源に割り当てるシミュレーションの集合を生成するシミュレーションタスク生成部と、
前記シミュレーション用計算資源に割り当てるシミュレーションで使用するシミュレーションモデルを記録するツール・モデルデータベースと、
前記シミュレーション用計算資源の利用状態を管理する計算資源管理データベースと、
前記実行されたシミュレーション構成を記録するシミュレーション構成履歴データベースと、を有し、
前記シミュレーションタスク生成部は、前記タスク入力部で生成されたシミュレーション構成を、前記シミュレーション構成履歴データベースと、前記ツール・モデルデータベースと、前記計算資源管理データベースの情報に基づいて、前記シミュレーション用計算資源で実行可能な計算処理に変換する計算機システム。 - 請求項2に記載の計算機システムであって、
前記シミュレーションタスク入力部は、
前記端末から選択可能なシミュレーションモデルを予め格納したツールパレットと、前記シミュレーションタスクに対して予め設定したシミュレーションモデルを配置可能なモデル構築画面と、を前記端末に提供し、
前記モデル構築画面上での入力に応じて前記シミュレーション構成を生成し、
前記ツールパレットは、固有の詳細情報が省かれた1つまたは複数のシミュレーションモデルが配置されているGUIで構成され、
前記モデル構築画面は、前記ツールパレットから選択されたシミュレーションモデルを配置し、配置されたモデル間を線で結合し、前記シミュレーションモデルに固有の情報を表示及び設定するGUIで構成されている計算機システム。 - 請求項3に記載の計算機システムであって、
前記シミュレーションタスク生成部は、
前記ツール・モデルデータベースと、前記計算資源管理データベースと、前記シミュレーション構成履歴データベースに接続されて、前記シミュレーションタスク入力部が生成したシミュレーション構成を受け付けて、当該シミュレーション構成が必要とするシミュレーションツールとしてのシミュレータと前記シミュレーション用計算資源の割り当てを行ない、前記シミュレーション構成におけるシミュレーションモデルの結合関係と前記ツール・モデルデータベースに格納された情報に基づいて、前記シミュレーション用計算資源の結合関係が前記端末から受け付けたシミュレーションタスクの生成要求を満たす様に、前記シミュレータのパラメータを調整する計算機システム。 - 請求項1に記載の計算機システムであって、
前記履歴監視部は、ユーザ挙動統計化部を有し、
前記ユーザ挙動統計化部は、
前記動的計算資源配分部が前記端末から受け付けるシミュレーションタスクの生成要求として、前記端末からの画面操作情報及びファイル操作情報を収集し、
特定の画面操作情報及び特定のファイル操作情報に特定のソフトウェアの操作を対応付けて、前記端末を使用するユーザの挙動を表すソフトウェア操作履歴情報を生成する計算機システム。 - 請求項5に記載の計算機システムであって、
前記履歴監視部は、
前記ユーザ挙動統計化部が出力するソフトウェア操作履歴情報が含むファイルへの変更及び参照の依存関係及び時系列に基づいて、ソフトウェア操作履歴情報間の関係を抽出する計算機システム。 - 請求項5に記載の計算機システムであって、
前記履歴監視部は、
前記ユーザ挙動統計化部が生成したソフトウェア操作履歴情報を解析して情報流を生成する情報流解析部と、前記画面操作情報及び前記ファイル操作情報に含まれる情報の依存関係を解析して開発進捗及びソフトウェア使用状況を抽出する開発進捗抽出部を有し、
前記動的計算資源配分部は、
シミュレーション構成履歴データベースに記録されたシミュレーション構成の実行履歴について前記開発進捗抽出部が抽出した情報に基づいて開発進捗における当該シミュレーションの寄与を見積もり、
前記シミュレーション用計算資源の負荷情報に基づいて前記シミュレーションの負荷の分布を見積もり、
前記寄与の見積もりと前記分布の見積もりに基づいて、前記シミュレーション構成に対するシミュレーションタスク生成部のタスク生成精度を評価する計算機システム。 - 計算機を制御するプログラムであって、
前記計算機は、プログラムが格納されるメモリと、前記メモリに格納された前記プログラムを実行する演算装置と、を備え、
ネットワークを介して接続された端末からシミュレーションタスクの生成要求を受け付けて、前記端末からの前記要求に基づいて前記シミュレーションタスクに含まれるシミュレーション構成を生成し、前記シミュレーション構成に含まれるシミュレーションを、複数種のシミュレータを予め備えたシミュレーション用計算機資源に発行する第1の手順と、
前記端末から受け付けたシミュレーションタスクの生成要求を前記計算機のストレージに格納する第2の手順と、
前記端末から受け付けたシミュレーションタスクに対する操作履歴と、前記シミュレーションタスクの実行に要したシミュレーション用計算資源の負荷を、前記端末のユーザ毎に収集する第3の手順と、を含み、
前記第1の手順は、
前記シミュレーション用計算資源に実行させたシミュレーションの要素を記録し、前記受け付けたシミュレーションタスクに対して前記記録した過去のシミュレーションの要素を適用し、当該要素を適用するシミュレーションを実行する前記シミュレーション用計算資源を前記収集したシミュレーション用計算資源の負荷に基づいて割り当てる手順を前記演算装置に実行させるプログラム。 - 請求項8に記載のプログラムであって、
前記第1の手順は、
前記端末から受け付けたシミュレーションタスクの生成の要求を満たすシミュレーション構成を生成するシミュレーションタスク入力手順と、
前記生成されたシミュレーション構成から前記シミュレーション用計算資源に割り当てるシミュレーションの集合を生成するシミュレーションタスク生成手順と、
前記シミュレーション用計算資源に割り当てるシミュレーションで使用するシミュレーションモデルをツール・モデルデータベースに記録する手順と、
前記シミュレーション用計算資源の利用状態を計算資源管理データベースで管理する手順と、
前記実行されたシミュレーション構成をシミュレーション構成履歴データベースに記録する手順と、を含み、
前記シミュレーションタスク生成手順は、前記シミュレーションタスク入力手順で生成されたシミュレーション構成を、前記シミュレーション構成履歴データベースと、前記ツール・モデルデータベースと前記計算資源管理データベースの情報に基づいて、前記シミュレーション用計算資源で実行可能な計算処理に変換するプログラム。 - 請求項9に記載のプログラムであって、
前記シミュレーションタスク入力手順は、
前記端末から選択可能なシミュレーションモデルを予め格納したツールパレットと、前記シミュレーションタスクに対して予め設定したシミュレーションモデルを配置可能なモデル構築画面と、を前記端末に提供する手順と、
前記モデル構築画面上での入力に応じて前記シミュレーション構成を生成する手順とを含み、
前記ツールパレットは、固有の詳細情報が省かれた1つまたは複数のシミュレーションモデルが配置されているGUIで構成され、
前記モデル構築画面は、前記ツールパレットから選択されたシミュレーションモデルを配置し、配置されたモデル間を線で結合し、前記シミュレーションモデルに固有の情報を表示及び設定するGUIで構成されているプログラム。 - 請求項10に記載のプログラムであって、
前記シミュレーションタスク生成手順は、
前記生成したシミュレーション構成を受け付け、
前記ツール・モデルデータベースと、前記計算資源管理データベースと、前記シミュレーション構成履歴データベースを参照して、当該シミュレーション構成が必要とするシミュレーションツールとしてのシミュレータと前記シミュレーション用計算資源の割り当てを行ない、
前記シミュレーション構成におけるシミュレーションモデルの結合関係と前記ツール・モデルデータベースに格納された情報に基づいて、前記シミュレーション用計算資源の結合関係が前記端末から受け付けたシミュレーションタスクの生成要求を満たす様に、前記シミュレータのパラメータを調整するプログラム。 - 請求項8に記載のプログラムであって、
前記第3の手順は、
前記端末から受け付けるシミュレーションタスクの生成要求として、前記端末からの画面操作情報及びファイル操作情報を収集し、
特定の画面操作情報及び特定のファイル操作情報に特定のソフトウェアの操作を対応付けて、前記端末を使用するユーザの挙動を表すソフトウェア操作履歴情報を生成するプログラム。 - 請求項12に記載のプログラムであって、
前記第3の手順は、
前記ソフトウェア操作履歴情報が含むファイルへの変更及び参照の依存関係及び時系列に基づいて、ソフトウェア操作履歴情報間の関係を抽出するプログラム。 - 請求項12に記載のプログラムであって、
前記第3の手順は、
前記ソフトウェア操作履歴情報を解析して情報流を生成し、前記画面操作及びファイル操作情報に含まれる情報の依存関係を解析して開発進捗及びソフトウェア使用状況を抽出し、
前記第1の手順は、
シミュレーション構成履歴データベースに記録されたシミュレーション構成の実行履歴について前記抽出した情報に基づいて開発進捗における当該シミュレーションの寄与を見積もり、
前記シミュレーション用計算資源の負荷情報に基づいて前記シミュレーションの負荷の分布を見積もり、
前記寄与の見積もりと前記分布の見積もりに基づいて、前記シミュレーション構成に対するシミュレーションタスクのタスク生成精度を評価するプログラム。 - シミュレーションに使用する計算資源を割り当てる方法であって、
ネットワークを介して接続された端末からシミュレーションタスクの生成要求を受け付けて、前記端末からの前記要求に基づいて前記シミュレーションタスクに含まれるシミュレーション構成を生成し、前記シミュレーション構成に含まれるシミュレーションを、複数種のシミュレータを予め備えたシミュレーション用計算機資源に発行する第1の手順と、
前記端末から受け付けたシミュレーションタスクの生成要求を前記計算機のストレージに格納する第2の手順と、
前記端末から受け付けたシミュレーションタスクに対する操作履歴と、前記シミュレーションタスクの実行に要したシミュレーション用計算資源の負荷を、前記端末のユーザ毎に収集する第3の手順と、を含み、
前記第1の手順は、
前記シミュレーション用計算資源に実行させたシミュレーションの要素を記録し、前記受け付けたシミュレーションタスクに対して前記記録した過去のシミュレーションの要素を適用し、当該要素を適用するシミュレーションを実行する前記シミュレーション用計算資源を前記収集したシミュレーション用計算資源の負荷に基づいて割り当てる、方法。
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Also Published As
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US9037448B2 (en) | 2015-05-19 |
US20120123764A1 (en) | 2012-05-17 |
JP5332006B2 (ja) | 2013-11-06 |
JPWO2011016327A1 (ja) | 2013-01-10 |
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