CN107479983A - Variable step multiprogram based on temporal scalable technology synchronously calculates system and method - Google Patents
Variable step multiprogram based on temporal scalable technology synchronously calculates system and method Download PDFInfo
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- CN107479983A CN107479983A CN201710561982.5A CN201710561982A CN107479983A CN 107479983 A CN107479983 A CN 107479983A CN 201710561982 A CN201710561982 A CN 201710561982A CN 107479983 A CN107479983 A CN 107479983A
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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
- G06F9/52—Program synchronisation; Mutual exclusion, e.g. by means of semaphores
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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
- G06F9/48—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
Abstract
The invention discloses a kind of multiprogram based on temporal scalable technology synchronously to calculate system and method, and the system includes some different types of application programs, and the application program of each type is used to calculate a kind of parameter in nuclear power field；Master scheduler, the master scheduler are used for the configuration scheduling time, and are spaced the scheduling time and issue call instruction；Wherein, the application program receives the dispatch command, and within the scheduling time, according to convergence criterion, setting some time step-length is completed to calculate, and all time step sums are equal to scheduling time；Sharing module is used to store and update the result of calculation of each time step of application program in the scheduling time.The present invention can carry out the cooperated computing of the application program of multiple variable steps simultaneously.Ensure to keep acting in agreement while the accurate calculating of each application program, computational accuracy is high, efficiency high.
Description
Technical field
The present invention relates to multitask multi-process cooperated computing field, and in particular to the variable step based on temporal scalable technology is more
Program Synchronization computing system and method.
Background technology
With the progress of numerical computations, increasing complex process is included into the application category of numerical computations, still
Single program can only often solve one or a kind of problem, and the analysis of complex process often relates to the coupling collaboration meter of multiple programs
The comprehensive coupling meter for using core physics program and Thermal-hydraulic code is needed when calculating, such as calculating nuclear reactor power change
Calculate, calculate nuclear power station outside the venue radioactive dosage when need synthesis use Atmospheric Diffusion program, source item calculation procedure and geography information
The coupling of calculation procedure calculates.It is primary to solve to need solve distinct program during multiple programs carry out coupling cooperated computing
Synchronous the problem of calculating.Single calculation procedure typically uses the meter of variable step due to the efficiency and computational accuracy that consider numerical computations
Calculation method, it is exactly that program can change time step automatically according to the convergent criterion of numerical value, is calculating stable state and changing inviolent
During transient state, using larger time step, accelerate calculating speed, small time step is used in violent transient state, it is ensured that calculating
Convergence.Therefore, in multiple calculation procedure cooperated computings, typically using fixed step size, but due to the receipts of each calculation procedure
Situation difference is held back, the computational accuracy of each calculation procedure, the collaboration of multiple calculation procedures are cannot be guaranteed by the way of fixed step size
The precision of result of calculation is relatively low.
The content of the invention
For defect present in prior art, it is an object of the invention to provide the multiprogram based on temporal scalable technology
It is synchronous to calculate system and method, the cooperated computing of the application program of multiple variable steps can be carried out simultaneously.
To achieve the above objectives, the present invention adopts the technical scheme that：
A kind of multiprogram synchronization computing system based on temporal scalable technology, including：
Some different types of application programs, the application program of each type are used to calculate one kind in nuclear power field
Parameter；
Master scheduler, the master scheduler are used for the configuration scheduling time, and are spaced the scheduling time and issue call instruction；
Wherein,
The application program receives the dispatch command, within the scheduling time, according to convergence criterion, when setting some
Between step-length complete to calculate, and all time step sums are equal to scheduling time；
Sharing module, for storing and updating the calculating knot of each time step of application program in the scheduling time
Fruit.
On the basis of above-mentioned technical proposal, each application program is according to the convergence criterion setting time step-length of itself
For variable time step or step-length of fixing time.
On the basis of above-mentioned technical proposal, the master scheduler also sets up delay time, if application program is not described
Complete to calculate in scheduling time, then judge whether the application program is completed between the scheduling time and the delay time
Calculate, if so, then the master scheduler issues call instruction when the application program is completed and calculated, if it is not, the then homophony
Degree device issues the call instruction at the end of the delay time, and the application program stops calculating.
On the basis of above-mentioned technical proposal, the delay time is three times of the scheduling time.
On the basis of above-mentioned technical proposal, a kind of calculating of the multiprogram synchronization computing system based on temporal scalable technology
Method, comprise the following steps：
The master scheduler configuration scheduling time, and call instruction is issued according to scheduling time inter；
Some application programs perform call instruction, and each application program is according to the convergence criterion of itself, setting
Some time step-length is calculated, and time step sum is equal to scheduling time；
Each application program is calculated within scheduling time according to the sequencing of time step, and often completes one
After the calculating of individual time step, result of calculation is stored in sharing module and updated.
On the basis of above-mentioned technical proposal, the master scheduler also sets up delay time, if application program is not described
Complete to calculate in scheduling time, then judge whether the application program is completed between the scheduling time and the delay time
Calculate, if so, then the master scheduler issues call instruction when the application program is completed and calculated, if it is not, the then homophony
Degree device issues the call instruction at the end of the delay time, and the application program stops calculating.
On the basis of above-mentioned technical proposal, the delay time is three times of the scheduling time.
On the basis of above-mentioned technical proposal, the physical process that the scheduling time calculates according to the application program is set
It is fixed.
On the basis of above-mentioned technical proposal, the application program is the thermal-hydraulic journey for calculating main system hot water force
Sequence, the drift net program for calculating fluid network, the electric program for calculating electrical network or for calculating logic process
The logical program.
On the basis of above-mentioned technical proposal, each application program is according to the convergence criterion setting time step-length of itself
For variable time step or step-length of fixing time.
Compared with prior art, the advantage of the invention is that：
1) it is of the invention to be applied based on the multiprogram synchronization computing system of temporal scalable technology within the scheduling time of setting
Program according to convergence then, the adjust automatically step-length time, when calculating stable state and the violent transient state of change, using larger time step
It is long, accelerate calculating speed, less time step is used in violent transient state, it is ensured that the convergence of calculating, guarantee is each to apply journey
Keep acting in agreement while the accurate calculating of sequence, computational accuracy is high, efficiency high.
2) sharing module is provided with the present invention, the result of calculation of each application program is stored in sharing module, each
The needs that application program calculates according to itself call result from sharing module is straight compared between application program in the prior art
Connect for calling transmission result of calculation, system development is more simple, and data maintenance is convenient, and operating efficiency is higher.
Brief description of the drawings
Fig. 1 is the method flow diagram in the embodiment of the present invention.
Embodiment
The present invention is described in further detail below in conjunction with drawings and Examples.
Shown in Figure 1, the embodiment of the present invention provides a kind of multiprogram synchronization computing system based on temporal scalable technology,
Including：Some different types of application program, master scheduler and sharing modules.Wherein, each application program is used to calculate nuclear power
Certain a kind of parameter in field, the application program in the present embodiment are respectively that reactor core thing is calculated in nuclear power plant's gamut simulator
The core physics program of reason process, the Thermal-hydraulic code of main system thermal-hydraulic is calculated, calculates the drift net program of fluid network,
The electric program of electrical network, the logical program of calculating logic process are calculated, these application programs need cooperated computing mould together
Intend the operation characteristic of whole nuclear power plant.
Master scheduler is used for the configuration scheduling time, and be spaced scheduling time to correlation application program issue call instruction,
Master scheduler 10 call instructions of transmission per second in the present embodiment, scheduling time 100ms, interior each application program per second can
With called different number.The physical process that scheduling time is calculated according to application program is set, for example, one valve of simulation from
Closed mode needs 10 seconds to full-gear, real process, and this physical process is exactly 10 seconds.
Application program receives dispatch command, and within scheduling time, according to convergence criterion, setting some time step-length completes meter
Calculate, each application program is variable time step or step-length of fixing time according to the convergence criterion setting time step-length of itself, and institute
Having time step-length sum is equal to scheduling time.After application program is called once, corresponding time step is calculated, place after having calculated
In frozen state, the scheduling next time of master scheduler is waited.
Sharing module, for storing and updating the result of calculation of each time step of application program in scheduling time, application
Program needs to use extracting from sharing module for the result of calculation of other applications in calculating process, realizes application program
Between data interaction.
Master scheduler is additionally provided with delay time, if the calculating time of application program is less than or equal to scheduling time, homophony
Degree device issues dispatch command according to scheduling frequency, if the calculating time of application program is more than scheduling time, i.e. application program does not exist
Complete to calculate in scheduling time, then judge whether the calculating time of application program is more than allocating time, if so, i.e. in delay time
Interior application program, which does not complete, to be calculated, then master scheduler issues call instruction at the end of delay time, and mandatory use program is stopped
Only calculate, if it is not, then master scheduler issues call instruction when application program is completed and calculated.Delay time in the present embodiment is
Three times of scheduling time.
A kind of computational methods of the multiprogram synchronization computing system based on temporal scalable technology, comprise the following steps：
The master scheduler configuration scheduling time, and call instruction is issued to the application program of correlation according to scheduling time inter,
Wherein application program is respectively to be used to calculate the Thermal-hydraulic code of main system hot water force, the drift net journey for calculating fluid network
Sequence, the electric program for calculating electrical network and the logical program for calculating logic process.
Related application program performs call instruction, and within scheduling time, each application program is according to convergence criterion, setting
Some time step-length is completed to calculate, and each application program can be using setting time step-length as change time step according to the convergence criterion of itself
Long or step-length of fixing time, and all time step sums are equal to scheduling time；
Each application program is calculated within scheduling time according to the sequencing of time step, and often complete one when
Between step-length calculating after, result of calculation is stored in sharing module, and the result of calculation of each application program is according to time step
Sequential update.
Master scheduler is additionally provided with delay time, judges whether the calculating time of application program is not more than scheduling time, if
It is that then master scheduler issues dispatch command according to scheduling frequency；If it is not, determining whether the calculating of application program is dispatching
Between time and delay time, if so, then master scheduler issues call instruction when application program is completed and calculated, if it is not, then leading
Scheduler program issues call instruction at the end of delay time, and mandatory use program stopped calculates.During delay in the present embodiment
Between be three times of scheduling time.The physical process that the scheduling time calculates according to the application program is set.
The present invention is not limited to the above-described embodiments, for those skilled in the art, is not departing from
On the premise of the principle of the invention, some improvements and modifications can also be made, these improvements and modifications are also considered as the protection of the present invention
Within the scope of.The content not being described in detail in this specification belongs to prior art known to professional and technical personnel in the field.
Claims (10)
- A kind of 1. multiprogram synchronization computing system based on temporal scalable technology, it is characterised in that including：Some different types of application programs, a kind of ginseng that the application program of each type is used to calculate in nuclear power field Number；Master scheduler, the master scheduler are used for the configuration scheduling time, and are spaced the scheduling time and issue call instruction；Its In,The application program receives the dispatch command, within the scheduling time, according to convergence criterion, setting some time step It is long to complete to calculate, and all time step sums are equal to scheduling time；Sharing module, for storing and updating the result of calculation of each time step of application program in the scheduling time.
- A kind of 2. multiprogram synchronization computing system based on temporal scalable technology as claimed in claim 1, it is characterised in that：Often One application program is variable time step or step-length of fixing time according to the convergence criterion setting time step-length of itself.
- A kind of 3. multiprogram synchronization computing system based on temporal scalable technology as claimed in claim 1, it is characterised in that：The master scheduler also sets up delay time, if application program is completed to calculate not within the scheduling time, judges institute State whether application program is completed to calculate between the scheduling time and the delay time, if so, then the master scheduler exists The application program is completed to issue call instruction when calculating, if it is not, under then the master scheduler is at the end of the delay time Send out call instruction described, the application program stops calculating.
- A kind of 4. multiprogram synchronization computing system based on temporal scalable technology as claimed in claim 3, it is characterised in that：The delay time is three times of the scheduling time.
- 5. based on a kind of calculating side of the multiprogram synchronization computing system based on temporal scalable technology as claimed in claim 1 Method, it is characterised in that comprise the following steps：The master scheduler configuration scheduling time, and call instruction is issued according to scheduling time inter；Some application programs perform call instruction, and each application program is some according to the convergence criterion of itself, setting Time step is calculated, and time step sum is equal to scheduling time；Each application program is calculated within scheduling time according to the sequencing of time step, and often complete one when Between step-length calculating after, by result of calculation be stored in sharing module in and update.
- 6. a kind of variable step multiprogram synchronization computational methods based on temporal scalable technology as claimed in claim 5, its feature It is：The master scheduler also sets up delay time, if application program is completed to calculate not within the scheduling time, judges institute State whether application program is completed to calculate between the scheduling time and the delay time, if so, then the master scheduler exists The application program is completed to issue call instruction when calculating, if it is not, under then the master scheduler is at the end of the delay time Send out call instruction described, the application program stops calculating.
- 7. a kind of variable step multiprogram synchronization computational methods based on temporal scalable technology as claimed in claim 6, its feature It is：The delay time is three times of the scheduling time.
- 8. a kind of variable step multiprogram synchronization computational methods based on temporal scalable technology as claimed in claim 5, its feature It is：The physical process that the scheduling time calculates according to the application program is set.
- 9. a kind of variable step multiprogram synchronization computational methods based on temporal scalable technology as claimed in claim 5, its feature It is：The application program is for calculating the Thermal-hydraulic code of main system hot water force, the drift net for calculating fluid network Program, the electric program for calculating electrical network or the logical program for calculating logic process.
- 10. a kind of variable step multiprogram synchronization computational methods based on temporal scalable technology as claimed in claim 5, its feature It is：Each application program is variable time step or timing spacer step according to the convergence criterion setting time step-length of itself It is long.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109582468A (en) * | 2018-12-20 | 2019-04-05 | 武汉瓯越网视有限公司 | Countdown synchronous method, device, storage medium and equipment based on variable |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101587446A (en) * | 2009-06-30 | 2009-11-25 | 中国运载火箭技术研究院 | Realistic model conversion method based on distributed interactive simulation platform |
| CN102662428A (en) * | 2012-03-01 | 2012-09-12 | 中国科学院计算技术研究所 | Clock synchronization method for network simulation environment of discrete event |
| CN102968311A (en) * | 2012-12-13 | 2013-03-13 | 中国航空无线电电子研究所 | Onboard embedded software development platform |
| CN103559071A (en) * | 2013-10-12 | 2014-02-05 | 中广核（北京）仿真技术有限公司 | Method for integrating engineering analysis software in nuclear power simulation system and nuclear power simulation system |
| US20150067304A1 (en) * | 2013-08-28 | 2015-03-05 | Fujitsu Limited | Information processing apparatus and method of controlling information processing apparatus |
| CN104636260A (en) * | 2013-11-06 | 2015-05-20 | 深圳市风景智联科技有限公司 | Data management method and system for charging services |
| CN104678778A (en) * | 2013-11-08 | 2015-06-03 | 洛克威尔自动控制技术股份有限公司 | Time synchronization of signal transmission intervals for simulating a machine in industrial automation |
| CN104809932A (en) * | 2015-04-22 | 2015-07-29 | 北京广利核系统工程有限公司 | Digitized security level control system simulation device of nuclear power plants |
| CN105955811A (en) * | 2016-05-05 | 2016-09-21 | 北京思特奇信息技术股份有限公司 | System and method for achieving task scheduling based on remote invoking mode |
| CN106445640A (en) * | 2016-10-20 | 2017-02-22 | 南京南瑞继保电气有限公司 | Running method for embedded type virtual device and system |
-
2017
- 2017-07-11 CN CN201710561982.5A patent/CN107479983B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101587446A (en) * | 2009-06-30 | 2009-11-25 | 中国运载火箭技术研究院 | Realistic model conversion method based on distributed interactive simulation platform |
| CN102662428A (en) * | 2012-03-01 | 2012-09-12 | 中国科学院计算技术研究所 | Clock synchronization method for network simulation environment of discrete event |
| CN102968311A (en) * | 2012-12-13 | 2013-03-13 | 中国航空无线电电子研究所 | Onboard embedded software development platform |
| US20150067304A1 (en) * | 2013-08-28 | 2015-03-05 | Fujitsu Limited | Information processing apparatus and method of controlling information processing apparatus |
| CN103559071A (en) * | 2013-10-12 | 2014-02-05 | 中广核（北京）仿真技术有限公司 | Method for integrating engineering analysis software in nuclear power simulation system and nuclear power simulation system |
| CN104636260A (en) * | 2013-11-06 | 2015-05-20 | 深圳市风景智联科技有限公司 | Data management method and system for charging services |
| CN104678778A (en) * | 2013-11-08 | 2015-06-03 | 洛克威尔自动控制技术股份有限公司 | Time synchronization of signal transmission intervals for simulating a machine in industrial automation |
| CN104809932A (en) * | 2015-04-22 | 2015-07-29 | 北京广利核系统工程有限公司 | Digitized security level control system simulation device of nuclear power plants |
| CN105955811A (en) * | 2016-05-05 | 2016-09-21 | 北京思特奇信息技术股份有限公司 | System and method for achieving task scheduling based on remote invoking mode |
| CN106445640A (en) * | 2016-10-20 | 2017-02-22 | 南京南瑞继保电气有限公司 | Running method for embedded type virtual device and system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109582468A (en) * | 2018-12-20 | 2019-04-05 | 武汉瓯越网视有限公司 | Countdown synchronous method, device, storage medium and equipment based on variable |
| CN109582468B (en) * | 2018-12-20 | 2021-11-09 | 武汉瓯越网视有限公司 | Variable-based countdown synchronization method and device, storage medium and equipment |
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