WO2016157329A1 - Dispositif client, système de communication, procédé de commande de rendu et programme de commande de traitement de rendu - Google Patents

Dispositif client, système de communication, procédé de commande de rendu et programme de commande de traitement de rendu Download PDF

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Publication number
WO2016157329A1
WO2016157329A1 PCT/JP2015/059743 JP2015059743W WO2016157329A1 WO 2016157329 A1 WO2016157329 A1 WO 2016157329A1 JP 2015059743 W JP2015059743 W JP 2015059743W WO 2016157329 A1 WO2016157329 A1 WO 2016157329A1
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WO
WIPO (PCT)
Prior art keywords
drawing process
server device
cpu
target
processing
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PCT/JP2015/059743
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English (en)
Japanese (ja)
Inventor
未央 西山
智史 櫻井
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三菱電機株式会社
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Priority to PCT/JP2015/059743 priority Critical patent/WO2016157329A1/fr
Publication of WO2016157329A1 publication Critical patent/WO2016157329A1/fr

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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]
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F15/00—Digital computers in general; Data processing equipment in general

Definitions

  • the present invention relates to a system including a server device and a client device.
  • a technology has been proposed in which a client device causes a graphic accelerator of a server device to perform drawing processing via a network.
  • a virtual machine is generated in a server device, and an application program (hereinafter referred to as an application) operates in the virtual machine.
  • the client device transmits input information such as a keyboard and a mouse to the server device.
  • an application in the virtual machine performs a drawing process based on input information from the client device, and transmits a drawing result to the client device.
  • the client device displays the drawing result transmitted from the server device on the display.
  • Patent Document 2 discloses a method of dynamically assigning a GPU (Graphics Processing Unit) provider that exists outside the server device for each virtual machine of the server device to perform drawing processing.
  • GPU Graphics Processing Unit
  • Patent Document 3 discloses an efficient task management method for sharing one GPU by a plurality of processes.
  • Patent Literature 1 and Patent Literature 2 it is assumed that the server device performs all drawing processing of the client device. For this reason, in the technique of patent document 1 and patent document 2, there exists a subject that the load of a server apparatus becomes high. In the techniques of Patent Literature 1 and Patent Literature 2, a request for drawing processing is transmitted from the client device to the server device, and a result of the drawing processing is transmitted from the server device to the client device. For this reason, there exists a subject that the real-time property of a display is impaired by the communication time between a client apparatus and a server apparatus.
  • Patent Document 3 only discloses a task management method for sharing one GPU by a plurality of processes, and does not reduce the load on the server device, and also improves the real-time display property. Not a thing.
  • the present invention mainly aims to solve the above-described problems.
  • a system composed of a server device and a client device the load on the server device is reduced and the real-time property of display is improved. Is the main purpose.
  • a client device provides: Connected to the server that performs the drawing process, A client device including a CPU (Central Processing Unit), A hardware selection unit that selects one of the server device and the CPU as hardware for performing a target drawing process targeted by the drawing process command when a drawing process command is generated; When the server selection is performed by the hardware selection unit, the target rendering process is performed by the server device through communication with the server device, and when the CPU is selected by the hardware selection unit, And a process control unit that causes the CPU to perform the target drawing process.
  • CPU Central Processing Unit
  • the hardware for performing the target drawing process either the CPU of the server apparatus or the client apparatus is selected, and when the server apparatus is selected, the server apparatus performs the target drawing process, and the CPU selects In such a case, the CPU performs the target drawing process. For this reason, since load distribution is performed between the CPU of the server device and the client device, the load on the server device can be reduced. Further, when the target drawing process is performed by the CPU of the client device, no communication occurs between the client device and the server device, so that the real-time property of display can be improved.
  • FIG. 3 is a diagram illustrating a hardware configuration example of a server device and a client device according to the first embodiment.
  • FIG. 3 is a diagram illustrating a hardware configuration example of a server device according to the first embodiment.
  • FIG. 4 is a diagram illustrating a hardware configuration example of a client device according to a second embodiment.
  • FIG. 3 is a diagram illustrating a functional configuration example of a server device and a client device according to the first embodiment.
  • FIG. 4 is a flowchart showing an operation example of the client apparatus according to the first embodiment.
  • FIG. 3 is a flowchart showing an operation example of the server apparatus according to the first embodiment.
  • FIG. 9 is a flowchart showing an operation example of a client apparatus according to the second embodiment.
  • FIG. 10 is a diagram illustrating a functional configuration example of a server apparatus according to a third embodiment.
  • FIG. 10 is a flowchart showing an operation example of the server apparatus according to the third embodiment.
  • Embodiment 1 a communication system in which a client device and a server device are connected via a network will be described.
  • drawing processing that requires real-time processing or drawing processing that does not have a high calculation load is performed by the CPU of the client device, and drawing processing that does not require real-time processing or drawing processing that has a high calculation load is performed by the server.
  • the device does.
  • by seamlessly switching the server device and the client device it is possible to reduce the load on the server device and to improve the real-time property.
  • the server device 10 a storage device 100, a CPU 102, and a GPU 101 are connected by a bus.
  • the server device 10 communicates with the client device 11 to receive a drawing process request from the client device 11 and performs the drawing process. Then, the server device 10 communicates with the client device 11 and provides the processing result of the drawing process to the client device 11. For this reason, although not shown in FIG. 1, the server apparatus 10 also includes a communication interface.
  • the server apparatus 10 may be configured with one GPU 101 as illustrated in FIG. 1 or may be configured with a plurality of GPUs 101 as illustrated in FIG.
  • each GPU 101 may be the same or different.
  • a CPU 110 In the client device 11, a CPU 110, a storage device 111, and a display 112 that displays a screen are connected by a bus. As described above, since the client device 11 communicates with the server device 10, although not shown in FIG. 1, the client device 11 also has a communication interface.
  • FIG. 4 shows a functional configuration example of the server device 10 and the client device 11.
  • the client device 11 includes a hardware selection unit 1101, a processing control unit 1102, a communication unit 1103, a drawing process execution unit 1104, a drawing result integration unit 1105, and a display unit 1106.
  • These hardware selection unit 1101, processing control unit 1102, communication unit 1103, drawing process execution unit 1104, drawing result integration unit 1105, and display unit 1106 are realized by a program.
  • the program is stored in the storage device 111 of FIG. 1, and the CPU 110 reads the program from the storage device 111 and executes it, thereby realizing the following operation of the client device 11.
  • the storage device 111 also stores an OS (Operating System), and the CPU 110 executes a program that realizes the functions of the elements shown in FIG. 4 while executing at least a part of the OS.
  • OS Operating System
  • the server device 10 includes a communication unit 1001, a request analysis unit 1002, and a drawing process execution unit 1003.
  • the communication unit 1001, the request analysis unit 1002, and the drawing process execution unit 1003 are also realized by a program.
  • the program is stored in the storage device 100 of FIG. 1, and the CPU 102 reads out the program from the storage device 100 and executes it, thereby realizing the following operation of the server device 10.
  • the storage device 100 also stores an OS, and the CPU 102 executes a program that realizes the functions of the elements shown in FIG. 4 while executing at least a part of the OS.
  • FIG. 4 shows the minimum functional configuration necessary for explaining the present embodiment in both the server device 10 and the client device 11. Both the server device 10 and the client device 11 may add functional elements other than those shown in FIG.
  • the server device 10 may be provided with a program library that collects partial processes necessary for drawing processing.
  • the hardware selection unit 1101 as hardware that causes the target drawing attribute to be performed according to the attribute of the target drawing process targeted by the drawing processing command when the drawing processing command is generated, And CPU 110 are selected (hardware selection procedure).
  • the hardware selection unit 1101 selects the CPU 110 of the client device 11 for, for example, a drawing process that requires real-time performance or a drawing process that does not have a high calculation load, and performs a drawing process or calculation that does not require real-time performance.
  • the server apparatus 10 is selected for drawing processing with a high load.
  • the hardware selection unit 1101 determines whether the target drawing process is a drawing process that requires real-time characteristics, or is the drawing process with a high calculation load. Judge whether or not.
  • the processing control unit 1102 communicates with the server device 10 via the communication unit 1103 and causes the server device 10 to perform the target drawing process (processing control procedure). ).
  • the process control unit 1102 When causing the server apparatus 10 to perform the target drawing process, the process control unit 1102 generates a drawing command code for the target drawing process, and outputs the generated drawing command code to the communication unit 1103.
  • the drawing command code is a command that instructs the server apparatus 10 to execute the target drawing process.
  • the CPU 110 is selected by the hardware selection unit 1101
  • the CPU 110 is caused to perform the target drawing process (process control procedure).
  • the process control unit 1102 instructs the drawing process execution unit 1104 to execute the target drawing process.
  • the communication unit 1103 receives the drawing command code from the processing control unit 1102 and transmits a packet including the drawing command code to the server device 10. In addition, the communication unit 1103 receives from the server device 10 a packet including drawing data that is a processing result of the target drawing process. Then, the communication unit 1103 outputs the drawing data included in the received packet to the drawing result integration unit 1105.
  • the drawing process execution unit 1104 is a program that is executed when the CPU 110 performs the target drawing process. That is, the drawing process execution unit 1104 executes the target drawing process when the process control unit 1102 instructs execution of the target drawing process.
  • the process control unit 1102 outputs the drawing data that is the processing result of the target drawing process to the drawing result integration unit 1105.
  • the drawing result integration unit 1105 integrates drawing data. For example, when a plurality of target drawing processes are continuously executed by the drawing process execution unit 1104, the drawing data of the target drawing processes executed continuously are integrated. Further, when a plurality of target drawing processes are continuously executed by the server device 10, the drawing data of the target drawing processes executed continuously are integrated. The drawing result integration unit 1105 also integrates drawing data of the target drawing process by the drawing process execution unit 1104 and drawing data of the target drawing process by the server device 10.
  • the display unit 1106 displays the processing result data integrated by the drawing result integration unit 1105 on the display 112.
  • the communication unit 1001 receives a packet transmitted from the client device 11 and outputs the received packet to the request analysis unit 1002. In addition, the communication unit 1001 transmits a packet including data of a processing result of the target drawing process performed by the drawing process execution unit 1003 to the client device 11.
  • the request analysis unit 1002 analyzes the packet, and if the drawing instruction code is included in the packet, the request analysis unit 1002 instructs the drawing processing execution unit 1003 to execute the drawing process (target drawing process) specified by the drawing instruction code. .
  • the drawing process execution unit 1003 performs the same operation as the drawing process execution unit 1104 of the client device 11. That is, the drawing process execution unit 1003 analyzes the drawing command code and performs the target drawing process. Then, the processing result data of the target drawing process is output to the communication unit 1001.
  • the hardware selection unit 1101 acquires an application and a drawing processing command not shown in FIG. 4 (S501). Note that the drawing process designated by the drawing process command is the target drawing process.
  • the hardware selection unit 1101 analyzes the target drawing process, and determines whether the CPU 110 of the client device 11 executes the target drawing process or the server device 10 executes the target drawing process (S502).
  • the hardware selection unit 1101 causes the CPU 110 of the client device 11 to execute if the target drawing process is a drawing process that requires real-time processing or a drawing process that does not have a high calculation load. On the other hand, if the target drawing process is a drawing process that does not require real-time performance or a drawing process with a high calculation load, the hardware selection unit 1101 causes the server apparatus 10 to execute the target drawing process.
  • the hardware selection criteria of the hardware selection unit 1101 are not limited to those described above, and other selection criteria may be used.
  • the processing control unit 1102 If the server 10 is selected by the hardware selection unit 1101 (YES in S502), the processing control unit 1102 generates a drawing command code, and the communication unit 1103 transmits a packet including the drawing command code to the server device 10. And a packet including drawing data as a processing result of the target drawing process is received from the server device 10 (S503). The drawing data received from the server device 10 is output to the drawing result integration unit 1105.
  • the CPU 110 of the client device 11 when the CPU 110 of the client device 11 is selected by the hardware selection unit 1101 (NO in S502), the CPU 110 of the client device 11 performs the target drawing process (S504). That is, the drawing process execution unit 1104 performs the target drawing process on the CPU 110. The drawing data that is the processing result of the target drawing process by the drawing process execution unit 1104 is output to the drawing result integration unit 1105.
  • the hardware selection unit 1101 determines whether there is an unprocessed drawing processing command (S505).
  • the hardware selection unit 1101 repeats the operations after S501.
  • the drawing result integration unit 1105 integrates the processing results, and the display unit 1106 displays the drawing data integrated by the drawing result integration unit 1105 on the display 112 ( S506).
  • the drawing result integration unit 1105 outputs the drawing data as it is to the display unit 1106.
  • the drawing result integration unit 1105 integrates the plurality of drawing data and outputs the integrated drawing data to the display unit 1106.
  • the communication unit 1001 receives a packet from the client device 11 and transfers the received packet to the request analysis unit 1002. Then, when the request analysis unit 1002 analyzes the packet and the packet includes a drawing command code (YES in S601), execution of the drawing processing (target drawing processing) designated by the drawing command code is performed. The execution unit 1003 is instructed.
  • the drawing process execution unit 1003 analyzes the drawing command code and performs the target drawing process (S602).
  • the communication unit 1001 transmits a packet including drawing data, which is the processing result of the target drawing process, to the client device 11 (S603).
  • a part of the drawing processing is executed by the CPU 110 of the client device 11 so that load distribution can be performed, and the calculation load of the server device and the transfer load of the network can be reduced. is there.
  • drawing data that is required to be displayed in real time can be prevented from being delayed by network transfer by executing drawing processing by the CPU 110 of the client device, thereby improving the real time display property.
  • the calculation load of the drawing processing of the plurality of drawing data constituting the display screen is relatively low Since the CPU 110 of the client device 11 performs a plurality of target drawing processes in succession, the time until the display screen is displayed can be reduced as compared with the case where the server device 10 performs the drawing process.
  • the hardware for performing the drawing processing other than the CPU 110 of the client device 11 there is an effect that it is possible to cope with the latest graphics technology. That is, it is possible to support the latest graphics technology only by updating a part of the hardware of the server device 10 without updating the hardware of the client device 11 itself. This is effective when the client device 11 is an embedded device that is difficult to update frequently and the server device is composed of a general-purpose GPU board that is relatively easy to update hardware.
  • Embodiment 2 FIG. In the first embodiment, the case where only the CPU 110 is included in the client device 11 as hardware for performing drawing processing has been described. However, in the second embodiment, the GPU 113 is included in the client device 11 as illustrated in FIG. 3. The configuration will be described.
  • the server apparatus 10 has the same hardware configuration as that shown in FIG.
  • the functional configuration example of the server device 10 is also the same as that shown in FIG.
  • the functional configuration example of the client apparatus 11 is also the same as that illustrated in FIG. 4, but the operations of the hardware selection unit 1101, the process control unit 1102, and the drawing process execution unit 1104 are different from those illustrated in FIG. 4.
  • the hardware selection unit 1101 selects any one of the server device 10, the CPU 110, and the GPU 113 as hardware for performing the target drawing process according to the attribute of the target drawing process.
  • the process control unit 1102 causes the GPU 113 to perform a target drawing process when the GPU 113 is selected by the hardware selection unit 1101.
  • the operation of the processing control unit 1102 when the server device 10 is selected is the same as that described in the first embodiment.
  • the drawing process execution unit 1104 is executed by the GPU 113 when the GPU 113 is selected by the hardware selection unit 1101.
  • FIG. 7 shows a flowchart of the client device 11 according to the second embodiment.
  • the hardware selection unit 1101 acquires an application and a drawing processing command not shown in FIG. 4 (S501).
  • the hardware selection unit 1101 analyzes the target drawing process and causes the CPU 110 of the client apparatus 11 to execute the target drawing process, causes the GPU 113 of the client apparatus 11 to execute the target drawing process, or causes the server apparatus 10 to perform the target drawing process. It is determined whether or not to execute (S701, S702). If the target drawing process is a drawing process that does not require real-time properties or a drawing process with a high calculation load, the hardware selection unit 1101 causes the server apparatus 10 to execute the target drawing process. On the other hand, if the target drawing process is a drawing process that requires real-time processing or a drawing process that does not have a high calculation load, the CPU 110 or the GPU 113 of the client device 11 executes the drawing process.
  • the hardware selection unit 1101 selects the CPU 110 if the drawing processing has a relatively low calculation load. On the other hand, if the rendering process requires real-time properties, the hardware selection unit 1101 selects the GPU 113. Note that the hardware selection criteria of the hardware selection unit 1101 are not limited to those described above, and other selection criteria may be used.
  • the processing when the CPU 110 is selected by the hardware selection unit 1101 (S504) and the processing when the server device 10 is selected (S503) are the same as those in FIG.
  • the GPU 113 is selected by the hardware selection unit 1101, the GPU 113 performs the target drawing process (S703). That is, the drawing process execution unit 1104 performs the target drawing process on the GPU 113.
  • the drawing data that is the processing result of the target drawing process by the drawing process execution unit 1104 is output to the drawing result integration unit 1105.
  • S505 and S506 are the same as those in FIG.
  • Embodiment 3 FIG. In the third embodiment, a configuration in which the server apparatus 10 has a plurality of GPUs 101 as illustrated in FIG. 2 will be described.
  • FIG. 10 A functional configuration example of the server apparatus 10 according to the present embodiment is shown in FIG.
  • the communication unit 1001, the request analysis unit 1002, and the drawing process execution unit 1003 are the same as those shown in FIG.
  • the GPU selection unit 1004 selects the GPU 101 that executes the target drawing process from the plurality of GPUs 101, and causes the selected GPU 101 to perform the target drawing process.
  • the communication unit 1001 receives a packet from the client device 11 and transfers the received packet to the request analysis unit 1002. Then, when the request analysis unit 1002 analyzes the packet and the drawing instruction code is included in the packet (YES in S601), the GPU selection unit 1004 selects the GPU 101 that performs the target drawing process from the plurality of GPUs 101. Select (S901).
  • the selection criteria for the GPU 101 of the GPU selection unit 1004 may be any. For example, the GPU selection unit 1004 may select the GPU 101 by the round robin method, or may select the GPU 101 based on the load factor. Further, the GPU selection unit 1004 may select the GPU 101 according to the type of the target drawing process. Then, the GPU selection unit 1004 instructs the selected GPU 101 to execute the drawing process (target drawing process) specified by the drawing command code.
  • the GPU 101 selected by the GPU selection unit 1004 executes the drawing process execution unit 1003, analyzes the drawing command code, and performs the target drawing process (S602).
  • the communication unit 1001 transmits a packet including drawing data, which is the processing result of the target drawing process, to the client device 11 (S603).
  • each client apparatus may select hardware for performing the target drawing process by the method of the first embodiment, or the target drawing process by the method of the second embodiment. You may select the hardware which performs. That is, a client device that is equipped with a CPU but not a GPU selects either the CPU or the server device as hardware for performing the target drawing process. In addition, the client device on which the CPU and the GPU are mounted selects one of the CPU, the GPU, and the server device as hardware for performing the target drawing process. *** Explanation of effects ***
  • a plurality of client devices having various hardware configurations can select the appropriate hardware for each target drawing process, thereby effectively realizing load distribution and real-time improvement.

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Abstract

L'invention concerne un dispositif client (11) qui est connecté à un dispositif serveur (10) qui réalise un rendu. Le dispositif client (11) comporte une unité centrale de traitement (CPU). Lorsqu'une instruction de rendu est générée, une unité de sélection de matériel (1101) sélectionne soit le dispositif serveur (10) soit la CPU comme matériel pour amener la réalisation d'un rendu cible, un tel rendu étant la cible de l'instruction de rendu. Si le dispositif serveur (10) est sélectionné par l'unité de sélection de matériel (1101), une unité de commande de traitement (1102) amène le dispositif serveur (10) à réaliser le rendu cible en communiquant avec le dispositif serveur (10), et si la CPU est sélectionnée par l'unité de sélection de matériel (1101), amène la CPU à réaliser le rendu cible.
PCT/JP2015/059743 2015-03-27 2015-03-27 Dispositif client, système de communication, procédé de commande de rendu et programme de commande de traitement de rendu WO2016157329A1 (fr)

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WO2023243099A1 (fr) * 2022-06-17 2023-12-21 日本電信電話株式会社 Appareil de délestage d'accélérateur et procédé de délestage d'accélérateur

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WO2023243099A1 (fr) * 2022-06-17 2023-12-21 日本電信電話株式会社 Appareil de délestage d'accélérateur et procédé de délestage d'accélérateur

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