EP3655855A1 - Schienenfahrzeug mit mehrkernrechenleistung - Google Patents
Schienenfahrzeug mit mehrkernrechenleistungInfo
- Publication number
- EP3655855A1 EP3655855A1 EP18765024.7A EP18765024A EP3655855A1 EP 3655855 A1 EP3655855 A1 EP 3655855A1 EP 18765024 A EP18765024 A EP 18765024A EP 3655855 A1 EP3655855 A1 EP 3655855A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- computer
- rail vehicle
- decentralized
- cores
- core
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; 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]
- G06F9/5094—Allocation of resources, e.g. of the central processing unit [CPU] where the allocation takes into account power or heat criteria
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; 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
- G06F9/48—Program initiating; Program switching, e.g. by interrupt
- G06F9/4806—Task transfer initiation or dispatching
- G06F9/4843—Task transfer initiation or dispatching by program, e.g. task dispatcher, supervisor, operating system
- G06F9/4881—Scheduling strategies for dispatcher, e.g. round robin, multi-level priority queues
- G06F9/4893—Scheduling strategies for dispatcher, e.g. round robin, multi-level priority queues taking into account power or heat criteria
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
Definitions
- Multi-core computing power rail vehicle The present invention relates to a multi-core computing power rail vehicle.
- interface devices such as digital input / output devices, transmission devices such as Baiisenantennen, sensor devices such as Wegimpulsgeber or radar and used in the cab control and adosele ⁇ elements are designed as decentralized devices.
- a communication network in particular an onboard communication network
- This central computer should usually be designed as a high-performance multi-core processor, so that a high-quality
- the number of calculation cores should be more than four, in particular at least eight. Ideally, sixteen cores would be made available or used.
- the task is thus to provide a rail vehicle with ei ⁇ ner performant multi-core computing power and still meet the required environmental requirements.
- a railway vehicle is available ge ⁇ provides that each with multiple cores environmentally summarizes a plurality of spatially separated multi-core processors.
- the rail vehicle comprises a decentralized computer, which comprises at least two different multi-core processors in each case at least one arithmetic core and is designed for access to their computing power, wherein the multi-core processors are connected to each other via a communication link.
- a remote computer can be described in other words as a virtual host, as he in the topological sense is not central but it can act as a centering ⁇ ralrechner.
- the decentralized computer is a virtual brain or even a server.
- This decentralized computer can, for example, control or control decentralized devices.
- the Multi-core processors are spatially distributed or spatially spaced from each other.
- the decentralized computer is designed for accessing the computing power of the computing cores when the computing cores are available to the decentralized computer exclusively or even only proportionally.
- Distribution of heat loss can be maintained, while still a powerful, so powerful computer with multiple cores and corresponding parallelization capability is provided.
- This a high-quality safe ⁇ care system can be executed or applied to the decentralized computer, for example.
- a high-quality safety system of the rail vehicle can be realized or made available with such a decentralized computer.
- Further advantages over a central Mehrkernpro ⁇ cessor include increased overall availability and a better MTBF value. With the MTBF value, a measure of the reliability ⁇ speed is given, with MTBF stands for the average operating time between failures. Furthermore, as a further advantage with the spatially distributed computing cores, a flexible and scalable redundancy concept results.
- the decentralized computer comprises a number of more than four, at least eight or at least sixteen Rechenker ⁇ NEN.
- eight or even sixteen cores are required.
- the multi-core processors preferably each comprise a number of maximally four computing cores.
- Mehrkernpro ⁇ zessoren with such a number of computing cores have a maximum allowable in rail vehicles power loss, in which over free convection of the air, the heat can be dissipated.
- the decentralized computer preferably comprises all the calculation cores of all multi-core processors.
- a performance re ⁇ computing power for distributed computing can be provided very efficiently with relatively little use of hardware.
- four multicore processors, each with four arithmetic cores, are sufficient to provide a decentralized computer with sixteen arithmetic cores.
- At least one multi-core processor is comprised of a decentralized device, wherein the decentralized computer in each case comprises all or only part of the Re ⁇ Chen nuclei of this multi-core processor of the decentralized device.
- decentralized devices for example, Station sets meant that on multi-core processors Availability checked ⁇ gene.
- a plurality of such remote devices with at least one multi-core processor in the rail vehicle provided.
- these decentralized devices are spatially distributed over the rail vehicle. All cores are in particular be ⁇ vorzugt example available from a multi ⁇ core processor of the remote device from the remote computer, while, for example, only part of the existing cores from another remote device are available from the remote computer.
- the decentralized computer Preferably, however, only a certain part or proportion of the calculation cores of the decentralized computer is used by all decentralized devices.
- the decentralized devices thus provide the decentralized computer with additional computing power.
- the overall system is then scalable accordingly.
- a calculation engine by the remote computer is available, that the remote computer can access the Re ⁇ computing power this calculation kernel and can be used for the execution of predetermined processing programs or for performing any other, predetermined calculation steps.
- the remote device is put as a digital Input / Output device and / or as a sensory device and / or as an operating and display element and / or as a transfer device ⁇ formed. These are the preferred on a sliding ⁇ nenproof available remote devices.
- the multi-core processor of the remote device is a multi-core processor for communication.
- a decentralized device can typically have two processors or two computing cores for specific functions as a functional module of the have decentralized device and a further processor or computing core for the communication. The latter is typically formed as a multi-core processor with insbeson ⁇ particular four cores, wherein for the communication not tion all cores are needed.
- the remote computer is available, for example, two or three cores of Mehrkernprozes ⁇ sors for communication.
- the multi-core processors of the decentralized computer are interconnected by means of a communication network.
- the multi-core processors of the decentralized computer are interconnected by means of a high-performance communication network.
- the multi-core processors of the decentralized computer are interconnected by means of Ethernet.
- the multi-core processors ⁇ the remote computer are interconnected via a high-performance Ethernet.
- at least one so-called switch is used as the coupling element. As a switch - from English for switches, switches or switches - this is a coupling ⁇ be ⁇ draws connecting network segments together. In this way, efficient communication between the multi-core processors can take place.
- the multi-core processors of the decentralized computer are interconnected by means of computer-computer connections.
- Meshed architecture can be realized, the invention is not limited thereto.
- Computer-to-computer connections enable efficient exchange of data between the multi-core processors.
- FIG. 1 shows a rail vehicle according to the invention according to a first embodiment
- Figure 2 shows an inventive rail vehicle according to a second embodiment
- FIG 3 shows a rail vehicle according to the invention according to a third embodiment.
- FIG. 1 shows a rail vehicle 1 according to a first embodiment.
- the rail vehicle 1 in this case comprises a plurality of spatially separated multi-core processors 10, 20, 30, 40.
- four multi-core processors 10, 20, 30, 40 are shown by way of example only, the invention not being limited thereto.
- Each multi-core processor 10, 20, 30, 40 in each case has a plurality of computing cores 10-1, 10-4; 20-1, 20-4; 30-1,
- each multi-core processor 10, 20, 30, 40 comprises four computing cores 10-1, 10-4 by way of example only; 20-1, 20-4; 30-1, ... 30-4; 40-1, 40-4, wherein the invention is not limited thereto ⁇ .
- the railway vehicle 1 comprises a decentralized computing ⁇ ner 70 which core processors of at least two different multi-10, 20, 30, 40 respectively at least one Re ⁇ chenkern 10-1, 10-4; 20-1, 20-4; 30-1, 30-4; 40-1,
- the multi-core processors 10, 20, 30, 40 are connected to one another via a communication connection 80.
- the decentralized computer 70 comprises four computing cores 10-1, by way of example only, ..., 10-4; 20-1, ..., 20-4; 30-1, ..., 30-4; 40-1, ..., 40-4 per multi-core processor 10, 20, 30, 40 and thus has sixteen cores in pure at ⁇ way of example.
- the rail vehicle 1 has the advantage that the power dissipation is distributed over the railway vehicle 1 by the cavities ⁇ Liche separation of the multi-core processors 10, 20, 30, 40th Nevertheless, a high-performance, ie efficient, decentralized computer 70 with several processor cores, for example sixteen processor cores 10-1, 10-4; 20-1, 20-4; 30-1,
- This decentralized computer 70 can assume the role of a server or host and assign corresponding tasks to distributed processors or computers or decentralized devices. In particular, on this decentralized computer 70 a high quality
- Security system can be applied or executed, which has high computing capacity and / or parallelization requirements of multiple cores such as eight or sixteen or more computing cores 10-1, 10-4; 20-1,
- the distributed computer 70 has a number of more than four, at least eight or at least sixteen Re ⁇ Chen kernels 10-1, 10-4; 20-1, 20-4; 30-1, 30-4; 40-1,
- sixteen computation cores are combined to form a decentralized computer 70.
- the multicore processors 10, 20, 30, 40 may each preferably have a number of maximum four computing cores 10-1,
- Multi-core processors 10, 20, 30, 40 having such a number of computing cores 10-1, 10-4; 20-1, 20-4; 30-1, 30-4;
- 40-1, 40-4 have a maximum power loss at which the heat can be dissipated via free convection of the air.
- multi-core processors can be tion of environmental requirements just be used on the rail vehicle 1.
- the decentralized computer 70 all computing cores 10- 1, 10-4; 20-1, 20-4; 30-1, 30-4; 40-1, 40-4 of all
- Multi-core processors 10, 20, 30, 40 include.
- a maximum computing power or computing performance for the decentralized computer 70 is provided for a given hardware deployment.
- the decentralized computer 70 has sixteen computing cores 10-1,
- the multi-core processors 10, 20, 30, 40 of the decentralized computer 70 are interconnected by means of Ethernet.
- switches can be used for efficient data transfer and to avoid data transfer collisions.
- the multi-core processors 10, 20, 30, 40 of the decentralized computer 70 can be interconnected by means of computer-computer connections, wherein, for example, meshed architecture is used.
- the multi-core processors in other embodiments may be connected to a wireless or wired MITEI ⁇ Nander also completely re On the other communication network values.
- FIG. 2 shows a rail vehicle 1 according to a second embodiment.
- at least one multi-core processor 10, 20, 30, 40, 50, 60 of ei ⁇ nem decentralized device 15, 25, 35, 45, 55, 65 includes.
- the de ⁇ central computer 70 may each case all or only part of the calculation cores 10-1, 10-4; 20-1, 20-4; 30-1, 30-4; 40-1, ..., 40-4; 50-1, ..., 50-4; 60-1, ..., 60-4 of this multi-core processor 10, 20, 30, 40, 50, 60 of the decentralized Ge ⁇ device 15, 25, 35, 45, 55, 65 include.
- all decentralized devices 15, 25, 35, 45, 55, 65 each comprise a multi-core processor 10, 20, 30, 40, 50, 60.
- six decentralized devices 15, 25, 35, 45, 55, 65 and correspondingly six multicore processors 10, 20, 30, 40, 50, 60 are provided, the invention being not limited thereto and also other constellations of the invention being included.
- an Mi ⁇ research integrated in remote devices 15, 25, 35, 45, 65 multi-core processors 10, 20, 30, 40, 50, 60 and sepa- rate multicore processors are provided.
- each of the multi-core processors 10, 20, 30, 40, 50, 60 of the decentralized computer 70 are two or three calculation cores 10-1, 10-4; 20-1,
- the remote computer 70 accesses, for example, three cores 10-1, 10-2, 10-3 of the first multi-core processor 10 of the first remote device 15 to, on two Re ⁇ chenkerne 20-1, 20-2 of the second multi-core processor 20 of the second decentralized device 25 to, on three computing cores 30-1, 30-2, 30-3 of the third multi-core processor 30 of the third de ⁇ central device 35 to, on three computing cores 40-1, 40-2, 40-3 of the fourth multi-core processor 40 of the fourth decentralized Ge ⁇ Raets to 45, of two cores 50-1, 50-2 of the fifth multi-core processor 50 of the fifth ⁇ remote device 55 to and on three cores 60-1, 60-2, 60-3 sixth multi-core Processor 60 of the sixth distributed device 65 to.
- IMP EXP ⁇ together this results also in this example
- decentralized computer 70 with sixteen calculation cores.
- the invention is not limited to such an exemplary distribution.
- the multicore processors 10, 20, 30, 40, 50, 60 are connected to one another via a communication connection 80, that is to say in particular via an Ethernet connection or via a corresponding computer-computer connection.
- the decentralized devices can be primarily around
- Act interface devices More concretely, it may be in the remote devices in each case to a digital in- put / output device, a sensor device, a control and display ⁇ element or a transfer unit act, said ⁇ OF INVENTION dung is not limited thereto. Also, for example, a Ra ⁇ diokontrollsystem or a passenger information system can be used for this purpose. Decentralized devices are in particular ⁇ special interface devices.
- Remote devices 15, 25, 35, 45, 55, 65 typically comprise ⁇ as multiple processors or cores. Examples of play may be mentioned certain processors or Re ⁇ chenkerne for their specific function, even vital function ⁇ ones, of the respective remote device 15, 25, 35, 45, 55, 65 used.
- Another processor can typically be responsible for communication. In this case, this processor can preferably be designed as a multi-core processor 10, 20, 30, 40, 50, 60 with, for example, four computing cores, wherein typically only one computing kernel is required for the communication.
- the decentralized computer 70 for obtaining or obtaining computing power.
- the mode of operation of the decentralized device 15, 25, 35, 45, 55, 65 is not restricted, but only free or unused computing capacities of the decentralized device 15, 25, 35, 45, 55, 65 are used by the decentralized computer 70 .
- no new hardware components such as wiring and additional computing structures must be provided.
- FIG. 3 shows a rail vehicle 1 according to a third embodiment.
- the representation includes parts of a train protection device.
- the figure 3 20, 30, 40, 50, 60 shows a rail vehicle 1 having a plurality of spaced vonei ⁇ Nander separate multi-core processors 10, said purely by way of example and without limitation of the invention, six multi-core processors 10, 20, 30, 40, 50, 60 in that
- Rail vehicle 1 are provided. These are further described in the ⁇ ser embodiment by way of example in over the railway vehicle 1 distributed remote devices 15, 25, 35, 45, 55, 65 integrated.
- the remote devices 15, 25, 35, 45, 55, 65 here comprise ⁇ with purely by way of example, a first input / output device 15 and a second input / output device 25, the latter example ⁇ as redundant to the first input / output device 15 may be formed.
- the two input / output devices 15, 25, typically ⁇ digital input-output devices, can hereby be used for bidi ⁇ retechnischalen communication with a cab 5.
- control signals or warning signals can be transmitted to and from the driver's cab 5.
- a third input / output device 35 may, for example, be provided to communicate with a rail vehicle control system 7 or to transmit information to a passenger information system.
- System 85 as another interface device to übermit ⁇ teln.
- the rail vehicle control system 7 is an ATO application, ie an automatic shift ⁇ nenschreib interviewedung done with automatic intervention in the control of the railway vehicle 1 on the basis of transmitted data.
- Another exemplary decentralized device can be described as
- Sensor device 45 executed.
- This may be, for example, a displacement encoder, a radar or a speedometer, the invention is not limited thereto.
- a transmission device 55 is provided. This can be for example a Baiisenantenne or a coupling coil or simply a transmitter or receiver.
- an operating and display element is provided in the Augustka ⁇ bine 5 65 purely by way of example.
- Each of these decentralized devices 15, 25, 35, 45, 55, 65 comprises in this embodiment a multi-core processor 10, 20, 30, 40, 50, 60 each having a plurality of computing cores, in this embodiment by way of example four each, the inventions ⁇ tion is not limited thereto.
- a referencing of the individual calculation cores in this figure is dispensed with, reference being made to the schematic representation in FIG. 2 for this purpose.
- a decentralized computer 70 which comprises computing cores of different multi-core processors 10, 20, 30, 40 and accesses their computing power.
- the remote computer 70 such ⁇ way performed in Figure 2, each part of the Rechenker ⁇ ne each multi-core processor 10, 20, 30, 40, 50, 60th
- the multi-core processors 10, 20, 30, 40, 50, 60 are also connected to each other via a communication link 80, which may be configured as Ethernet or alternatively as a computer-computer connection.
- the communication can take place on board the rail vehicle 1, for example via the communication network to which the decentralized devices are connected.
- the Kommunikati ⁇ onstress 80 may be formed redundantly here, see the present FIG. 3
- a radio control system 75 is integrated as a further interface device.
- a corresponding multi-core processor can be used by the decentralized computer 70. More specifically, many multi-core processors or multi-core computers can in this or in other embodiments belong to the system be so provided in the rail vehicle, but the remote computer does not need to use a processor core in each Mehrkernpro ⁇ cessor or multi-core computer. It is thus also possible to realize embodiments according to the invention in which the decentralized computer uses only computing cores of some but not all of the multicore processors present in the rail vehicle.
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- Engineering & Computer Science (AREA)
- Software Systems (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Train Traffic Observation, Control, And Security (AREA)
- Multi Processors (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102017215969.3A DE102017215969A1 (de) | 2017-09-11 | 2017-09-11 | Schienenfahrzeug mit Mehrkernrechenleistung |
| PCT/EP2018/072404 WO2019048222A1 (de) | 2017-09-11 | 2018-08-20 | Schienenfahrzeug mit mehrkernrechenleistung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3655855A1 true EP3655855A1 (de) | 2020-05-27 |
Family
ID=63490404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP18765024.7A Ceased EP3655855A1 (de) | 2017-09-11 | 2018-08-20 | Schienenfahrzeug mit mehrkernrechenleistung |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP3655855A1 (de) |
| DE (1) | DE102017215969A1 (de) |
| WO (1) | WO2019048222A1 (de) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007102313A (ja) * | 2005-09-30 | 2007-04-19 | Toshiba Corp | 制御装置およびマルチプロセッサ制御方法 |
| US8214660B2 (en) * | 2006-07-26 | 2012-07-03 | International Business Machines Corporation | Structure for an apparatus for monitoring and controlling heat generation in a multi-core processor |
| US7865751B2 (en) * | 2007-06-18 | 2011-01-04 | Intel Corporation | Microarchitecture controller for thin-film thermoelectric cooling |
| DE102011076350A1 (de) * | 2011-05-24 | 2012-11-29 | Siemens Aktiengesellschaft | Verfahren und Steuereinheit zur Erkennung von Manipulationen an einem Fahrzeugnetzwerk |
| EP3082038A1 (de) * | 2015-04-15 | 2016-10-19 | Hybridserver Tec AG | Verfahren, vorrichtung und system zur erzeugung eines massiv parallelisierten, ausführbaren objekts |
-
2017
- 2017-09-11 DE DE102017215969.3A patent/DE102017215969A1/de not_active Withdrawn
-
2018
- 2018-08-20 EP EP18765024.7A patent/EP3655855A1/de not_active Ceased
- 2018-08-20 WO PCT/EP2018/072404 patent/WO2019048222A1/de not_active Ceased
Non-Patent Citations (3)
| Title |
|---|
| FANG HONGJIE: "D2.1 Report on state-of-the-art of 'functional distribution architecture' frameworks and solutions", EU PROJECT "SAFE4RAIL: SAFE ARCHITECTURE FOR ROBUST DISTRIBUTED APPLICATION INTEGRATION IN ROLLING STOCK", 30 December 2016 (2016-12-30), pages 1 - 93, XP055949327, Retrieved from the Internet <URL:https://safe4rail-1.safe4rail.eu/downloads/deliverables/Safe4RAIL-D2.1-SOTA-Functional-Distribution-Architecture-Frameworks-PU-M3.pdf> [retrieved on 20220805] * |
| LARRUCEA ASIER ET AL: "DREAMS: Cross-Domain Mixed-Criticality Patterns", WORKSHOP ON MIXED-CRITICALITY SYSTEMS, NOV 2016, 29 November 2016 (2016-11-29), pages 1 - 7, XP055949143, Retrieved from the Internet <URL:https://hal.archives-ouvertes.fr/hal-01438832/document> [retrieved on 20220804] * |
| See also references of WO2019048222A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019048222A1 (de) | 2019-03-14 |
| DE102017215969A1 (de) | 2019-03-14 |
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