CN106569574A - Frequency management method and device for multicore CPU (Central Processing Unit) - Google Patents

Frequency management method and device for multicore CPU (Central Processing Unit) Download PDF

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Publication number
CN106569574A
CN106569574A CN201510655298.4A CN201510655298A CN106569574A CN 106569574 A CN106569574 A CN 106569574A CN 201510655298 A CN201510655298 A CN 201510655298A CN 106569574 A CN106569574 A CN 106569574A
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frequency
terminal
specified
run
time scenario
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魏金亮
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ZTE Corp
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ZTE Corp
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Priority to PCT/CN2015/094042 priority patent/WO2016184048A1/en
Publication of CN106569574A publication Critical patent/CN106569574A/en
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26Power supply means, e.g. regulation thereof
    • G06F1/32Means for saving power

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  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Mobile Radio Communication Systems (AREA)
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Abstract

The invention provides a frequency management method and device for a multicore CPU (Central Processing Unit). The method comprises the following steps: periodically acquiring a frequency change set of frequencies according to which the multicore CPU in a terminal is adjusted dynamically under a specified running scene; and performing statistics on the frequencies in the frequency change set according to a preset calculation model, and acquiring a best frequency adjustment range of the multicore CPU under the specified running scene according to a statistical result. Through adoption of the frequency management method and device, the problem of incapability of finding an appropriate adjustment frequency by automatic frequency adjustment when an interactive frequency adjustment method is adopted for the frequency adjustment of the multicore CPU inside the terminal in the prior art is solved, and the effect of lowering the power consumption of the multicore CPU in the terminal is achieved.

Description

The frequency management method and device of polycaryon processor CPU
Technical field
The present invention relates to computer realm, a kind of frequency management method in particular to polycaryon processor CPU and Device.
Background technology
Current general intelligence manufacturer terminal, the frequency of its terminal inner multi-core CPU is adjusted all to be given tacit consent to using chip producer Conventional techniques, i.e. interactive, powersave, performance, userspace etc. regulate and control algorithm mechanism.
However, in the above-mentioned several regulation and control algorithm mechanism provided for current chip manufacturer, most of manufacturer terminals can all be selected The interactive for selecting acquiescence adjusts algorithm, because being " fast to rise slow drop " the characteristics of the algorithm mechanism, i.e., when there is high demand Altofrequency is jumped to rapidly, low frequency is gradually decreased to when low demand, lay particular emphasis on the response speed and performance of priority protection terminal. But a disadvantage is that frequency modulation amplitude is big, frequency modulation accuracy is poor, and such as raising frequency, frequency reducing amplitude be big, accuracy is poor;That is, interactive Frequency modulation method compares " courageously advancing rashly ", but after primary frequency modulation.System again can frequency modulation again quickly, to find It is best suitable for the frequency of system present load.The frequency that so may result in intelligent terminal's multi-core CPU adjusts number of times excessively, But the optimum frequency of a suitable current scene load is difficult to find that always.
When adjusting using interactive frequency modulation methods for the frequency in correlation technique for terminal inner multi-core CPU, adopt The problem that cannot find suitable regulating frequency is adjusted with automatic frequency.
The content of the invention
The invention provides a kind of frequency management method and device of polycaryon processor CPU, at least to solve correlation technique In for terminal inner multi-core CPU frequency adjust using interactive frequency modulation methods when, using automatic frequency adjust nothing Method finds the problem of suitable regulating frequency.
According to an aspect of the invention, there is provided a kind of frequency management method of multi-core CPU, including:Periodically adopt Collect carries out the frequency change set of dynamic regulation in the case where Run-time scenario is specified to multi-core CPU in terminal;According to default calculating Model is counted to frequency change set medium frequency, obtains the institute under the specified Run-time scenario according to statistical result State the optimum frequency range of accommodation of multi-core CPU.
Further, the periodicity collection carries out dynamic regulation to multi-core CPU in terminal in the case where Run-time scenario is specified Frequency change set includes:Periodically whether monitoring operation program of the terminal under the specified Run-time scenario occurs to become Change;When the operation program of the terminal changes, the multi-core CPU of the terminal is entered by specifying regulation and control algorithm Mobile state frequency is adjusted;Collection is entered to the multi-core CPU of the terminal when the operation program of the terminal changes The frequency change set that Mobile state frequency is adjusted.
Further, the default computation model of the foundation is counted to frequency change set medium frequency, according to statistics As a result the optimum frequency range of accommodation for obtaining the multi-core CPU under the specified Run-time scenario includes:Statistic sampling frequency It is each in the specified Run-time scenario that frequency in rate change set in the specified Run-time scenario obtains the multi-core CPU Multiple operation ratios of individual frequency;The plurality of operation ratio is ranked up, and by order over-and-over addition from big to small Until the result being added is more than or equal to predetermined threshold;Will add up the corresponding frequency of multiple operation ratios more than or equal to predetermined threshold Optimum frequency range of accommodation of the rate scope as the multi-core CPU.
Further, in the optimum frequency that the multi-core CPU under the specified Run-time scenario is obtained according to statistical result After range of accommodation, methods described also includes:Preserve optimum frequency of the terminal under the specified Run-time scenario to adjust Scope;When the terminal is run in the specified Run-time scenario again, directly invoke and the specified Run-time scenario pair The optimum frequency range of accommodation answered.
Further, the specified regulation and control algorithm includes:Interactive regulates and controls algorithm.
According to a further aspect of the invention, there is provided a kind of frequency management device of multi-core CPU, including:Collection mould Block, carries out the frequency change collection of dynamic regulation for periodicity collection in the case where Run-time scenario is specified to multi-core CPU in terminal Close;Management module, for counting to frequency change set medium frequency according to default computation model, according to statistics As a result obtain the optimum frequency range of accommodation of the multi-core CPU under the specified Run-time scenario.
Further, the acquisition module includes:Detector unit, for periodicity monitoring under the specified Run-time scenario Whether the operation program of the terminal changes;Adjustment unit, for when the operation program of the terminal changes, Dynamic voltage scaling is carried out to the multi-core CPU of the terminal by specifying regulation and control algorithm;Collecting unit, exists for collection When the operation program of the terminal changes, the frequency change of dynamic voltage scaling is carried out to the multi-core CPU of the terminal Change set.
Further, the management module includes:Statistic unit, in the finger in gathering for the change of statistic sampling frequency The frequency for determining Run-time scenario obtains multiple operation ratios of the multi-core CPU each frequency in the specified Run-time scenario; Sequencing unit, for being ranked up to the plurality of operation ratio, and by order over-and-over addition from big to small until being added Result be more than or equal to predetermined threshold;Administrative unit, for will add up the multiple operation ratios pair more than or equal to predetermined threshold Optimum frequency range of accommodation of the frequency range answered as the multi-core CPU.
Further, described device also includes:Preserving module, for obtaining in the specified operation according to statistical result Under scene after the optimum frequency range of accommodation of the multi-core CPU, the preservation terminal is under the specified Run-time scenario Optimum frequency range of accommodation;Calling module, for when the terminal is run in the specified Run-time scenario again, Directly invoke optimum frequency range of accommodation corresponding with the specified Run-time scenario.
Further, the specified regulation and control algorithm includes:Interactive regulates and controls algorithm.
By the present invention, dynamic regulation is carried out to multi-core CPU in terminal in the case where Run-time scenario is specified using periodicity collection Frequency change set, and then frequency change set medium frequency is counted according to default computation model, according to statistics knot Fruit obtains the optimum frequency range of accommodation of the multi-core CPU in the case where Run-time scenario is specified;Operation is specified by counting the terminal Under scene, the frequency change set of multiple dynamic regulations, obtains the optimum frequency range of accommodation of the multi-core CPU of the terminal, Solve when the frequency of terminal inner multi-core CPU is adjusted using interactive frequency modulation methods in correlation technique, adopt Automatic frequency adjusts the problem that cannot find suitable regulating frequency, and having reached reduces the power consumption of multi-core CPU in terminal Effect.
Description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, the present invention Schematic description and description be used for explain the present invention, do not constitute inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the flow chart of the frequency management method of polycaryon processor CPU according to embodiments of the present invention;
Fig. 2 is the structured flowchart of the frequency management device of polycaryon processor CPU according to embodiments of the present invention;
Fig. 3 is the alternative construction block diagram one of the frequency management device of polycaryon processor CPU according to embodiments of the present invention;
Fig. 4 is the alternative construction block diagram two of the frequency management device of polycaryon processor CPU according to embodiments of the present invention;
Fig. 5 is the alternative construction block diagram three of the frequency management device of polycaryon processor CPU according to embodiments of the present invention;
Fig. 6 is the frequency regulation and control method flow diagram of the multi-core CPU according to optional the present embodiment of the invention.
Specific embodiment
Below with reference to accompanying drawing and in conjunction with the embodiments describing the present invention in detail.It should be noted that in the feelings not conflicted Under condition, the feature in embodiment and embodiment in the application can be mutually combined.
It should be noted that description and claims of this specification and the term " first " in above-mentioned accompanying drawing, " second " Etc. being for distinguishing similar object, without for describing specific order or precedence.
A kind of frequency management method of polycaryon processor CPU is provided in the present embodiment, and Fig. 1 is according to of the invention real The flow chart for applying the frequency management method of the multi-core CPU of example, as shown in figure 1, the flow process comprises the steps:
Step S102:Periodically collection carries out the frequency of dynamic regulation in the case where Run-time scenario is specified to multi-core CPU in terminal Change set;
Step S104:Frequency change set medium frequency is counted according to default computation model, obtained according to statistical result To the optimum frequency range of accommodation of the multi-core CPU in the case where Run-time scenario is specified.
By step S202 and step S204 in the present embodiment, gathered in the case where Run-time scenario is specified to end using periodicity In end, multi-core CPU carries out the frequency change set of dynamic regulation, and then frequency change is gathered according to default computation model Medium frequency is counted, and obtains the optimum frequency range of accommodation of the multi-core CPU in the case where Run-time scenario is specified according to statistical result; That is, the frequency change set of multiple dynamic regulations under Run-time scenario is specified by counting the terminal, the terminal is obtained Multi-core CPU optimum frequency range of accommodation, such that it is able to solve in correlation technique for terminal inner multi-core CPU When frequency is adjusted using interactive frequency modulation methods, adjusted using automatic frequency and cannot find asking for suitable regulating frequency Topic, having reached reduces the effect of the power consumption of multi-core CPU in terminal.
In an optional embodiment of the present embodiment, for the periodicity being related in the present embodiment step S202 is adopted Collect the mode of the frequency change set for carrying out dynamic regulation in the case where Run-time scenario is specified to multi-core CPU in terminal, Ke Yitong Cross following manner to realize:
Step S11:Whether periodically monitoring operation program of terminal in the case where Run-time scenario is specified changes;
Step S12:When the operation program of terminal changes, by specifying regulation and control multi-core CPU of the algorithm to terminal Carry out dynamic voltage scaling;
Step S13:Collection carries out dynamic frequency to the multi-core CPU of terminal when the operation program of the terminal changes The frequency change set of regulation.
By above-mentioned steps S11 to step S13, acquisition terminal operation program in running environment is specified changes When, the frequency change set of dynamic voltage scaling is carried out to the multi-core CPU of terminal by specifying regulation and control algorithm, that is, Say, the frequency change set of running environment regulating frequency is specified in collection.
It is in another optional embodiment of the present embodiment, pre- for the foundation being related in the present embodiment step S204 If computation model is counted to frequency change set medium frequency, the multinuclear in the case where Run-time scenario is specified is obtained according to statistical result The mode of the optimum frequency range of accommodation of CPU, can be realized in the following way:
Step S21:Multi-core CPU is obtained in the frequency for specifying Run-time scenario in the change set of statistic sampling frequency and is specifying fortune Multiple operation ratios of each frequency in row scene;
Step S22:Multiple operation ratios are ranked up, and by order over-and-over addition from big to small until the knot being added Fruit is more than or equal to predetermined threshold;
Step S23:The corresponding frequency range of multiple operation ratios more than or equal to predetermined threshold be will add up as multi-core CPU Optimum frequency range of accommodation.
It should be noted that the predetermined threshold being related in above-mentioned steps S23 can be carried out according to the actual needs accordingly Value, such as 80%, 70% is all possible, and does not constitute restriction in embodiments of the present invention to this.
Additionally, obtain in the case where Run-time scenario is specified after the optimum frequency range of accommodation of multi-core CPU in foundation statistical result, The method of the present embodiment can also include:
Step S31:Preserve optimum frequency range of accommodation of the terminal in the case where Run-time scenario is specified;
Step S32:When terminal is run in Run-time scenario is specified again, directly using corresponding with specified Run-time scenario Optimum frequency range of accommodation.
From above-mentioned steps S31 and step S32, adjust optimum frequency of the terminal in the case where Run-time scenario is specified is saved After scope, the optimum frequency range of accommodation that next time just directly can be preserved before basis under the specified Run-time scenario again is carried out Frequency is adjusted.
And for the specified regulation and control algorithm being related in the present embodiment includes:Interactive regulates and controls algorithm, and the regulation and control are calculated Method be only to the present embodiment in specified regulation and control algorithm citing, the specified regulation and control algorithm being related in the present embodiment may be used also Being powersave, performance, userspace regulation and control algorithm etc..
Through the above description of the embodiments, those skilled in the art is can be understood that according to above-described embodiment Method can add the mode of required general hardware platform to realize by software, naturally it is also possible to by hardware, but a lot In the case of the former be more preferably embodiment.Based on such understanding, technical scheme is substantially in other words to existing There is the part that technology contributes embody in the form of software product, the computer software product is stored in one In storage medium (such as ROM/RAM, magnetic disc, CD), use so that a station terminal equipment (can including some instructions Being mobile phone, computer, server, or network equipment etc.) perform method described in each embodiment of the invention.
A kind of frequency management device of multi-core CPU is additionally provided in the present embodiment, and the device is used to realize above-mentioned enforcement Example and preferred implementation, had carried out repeating no more for explanation.As used below, term " module " can be with Realize the combination of the software and/or hardware of predetermined function.Although the device described by following examples is preferably come with software Realize, but hardware, or the realization of the combination of software and hardware is also may and to be contemplated.
Fig. 2 is the structured flowchart of the frequency management device of polycaryon processor CPU according to embodiments of the present invention, such as Fig. 2 Shown, the device includes:Acquisition module 22, gathers in the case where Run-time scenario is specified to multi-core CPU in terminal for periodicity Carry out the frequency change set of dynamic regulation;Management module 24, is of coupled connections with acquisition module 22, for according to default Computation model is counted to frequency change set medium frequency, obtains the multinuclear in the case where Run-time scenario is specified according to statistical result The optimum frequency range of accommodation of CPU.
Fig. 3 is the alternative construction block diagram one of the frequency management device of polycaryon processor CPU according to embodiments of the present invention, As shown in figure 3, acquisition module 22 includes:Detector unit 32, monitors the terminal in the case where Run-time scenario is specified for periodicity Operation program whether change;Adjustment unit 34, is of coupled connections with detector unit 32, for the operation in terminal When program changes, dynamic voltage scaling is carried out to the multi-core CPU of terminal by specifying regulation and control algorithm;Collecting unit 36, it is of coupled connections with adjustment unit 34, for collection when cycling service program changes, the multinuclear to terminal CPU carries out the frequency change set of dynamic voltage scaling.
Fig. 4 is the alternative construction block diagram two of the frequency management device of polycaryon processor CPU according to embodiments of the present invention, As shown in figure 4, management module 24 includes:Statistic unit 42, for specifying fortune in the change set of statistic sampling frequency The frequency of row scene obtains multiple operation ratios of multi-core CPU each frequency in Run-time scenario is specified;Sequencing unit 44, It is of coupled connections with statistic unit 42, for being ranked up to multiple operation ratios, and by the gradually phase of order from big to small Plus until the result being added is more than or equal to predetermined threshold;Administrative unit 46, is of coupled connections with sequencing unit 44, for inciting somebody to action It is added the optimum frequency regulation for being more than or equal to the corresponding frequency range of multiple operation ratios of predetermined threshold as multi-core CPU Scope.
Fig. 5 is the alternative construction block diagram three of the frequency management device of polycaryon processor CPU according to embodiments of the present invention, As shown in figure 5, device also includes in addition to the device in above-mentioned Fig. 2:Preserving module 52, with management module 24 It is of coupled connections, in the optimum frequency range of accommodation that the multi-core CPU in the case where Run-time scenario is specified is obtained according to statistical result Afterwards, preserve optimum frequency range of accommodation of the terminal in the case where Run-time scenario is specified;Calling module 54, with preserving module 52 It is of coupled connections, for when terminal is run in Run-time scenario is specified again, directly invoking corresponding with specified Run-time scenario Optimum frequency range of accommodation.
Alternatively, it is intended that regulation and control algorithm includes:Interactive regulates and controls algorithm.
The present invention is illustrated with reference to the alternative embodiment of the present invention;
This alternative embodiment provides a kind of frequency regulation and control method of multi-core CPU, compares in correlation technique Interactive regulate and control algorithm, it possess less frequency modulation amplitude and more accurately regulation and control accuracy the features such as, such that it is able to Reach the purpose of optimization multi-core CPU power consumption;The method can be implemented by:
Step S202:By built-in monitoring module, the current Run-time scenario of real-time monitoring terminal.
Step S204:If terminal front stage operation program changes, interactive regulation and control algorithms pair are primarily based on Cpu frequency carries out dynamic regulation;
Step S206:Cpu frequency during scene operation of periodicity acquisition terminal;
Step S208:By presetting computation model, the optimum frequency for calculating each CPU scene run time section Nei is adjusted Adjusting range;
Step S210:The optimum frequency range of accommodation of the scene correlated characteristic and each CPU is stored, terminal is transported again During the row special scenes, you can directly recover to use data storage, to reduce the regulation number of times and frequency modulation width of cpu frequency Degree.
Wherein, the mode in above-mentioned steps S202 can be realized in the following way:
Step S41:Obtain Activity Manager;
Step S42:Using get Running Tasks methods, most active task in current system Task queues is obtained;
Step S43:Judge whether the task is located at storehouse top layer, in judged result to be carried out step S44, judging When being as a result no, execution step S41;
Step S44:The task is present terminal front stage operation program.
Below in conjunction with the accompanying drawings alternative embodiment of the present invention is described in detail;
Fig. 6 is that the frequency of the polycaryon processor CPU according to optional the present embodiment of the invention regulates and controls method flow diagram, such as Fig. 6 It is shown, include the step of the method:
Step S601:Periodic samples cpu frequency;
Step S602:Statistic sampling data draw the operation ratio of each frequency of CPU;
Step S603:From highest accounting gradually to low sum operation, up to accounting and more than or equal to 80%.
For above-mentioned steps S601 to step S603, in this alternative embodiment concrete application scene, such as:200MHZ Accounting 5%, 400MHZ accountings 6%, 533MHZ accountings 9%, 800MHZ accountings 32%, 960MHZ accountings 42%, 1.1GHZ accountings 5%, 1.2GHZ accountings 1%.
Then frequency of the accounting more than or equal to 80% has successively:960MHZ, 800MHZ, 533MHZ,
Then by the computation model, determine that the CPU optimum frequencies range of accommodation of the scene is 533-960MHZ.
Embodiments of the invention additionally provide a kind of storage medium.Alternatively, in the present embodiment, above-mentioned storage medium can It is used for the program code for performing following steps to be arranged to store:
S1:Periodically collection carries out the frequency change collection of dynamic regulation in the case where Run-time scenario is specified to multi-core CPU in terminal Close;
S2:Frequency change set medium frequency is counted according to default computation model, obtain specifying according to statistical result The optimum frequency range of accommodation of multi-core CPU under Run-time scenario.
Alternatively, the specific example in the present embodiment may be referred to showing described in above-described embodiment and optional embodiment Example, the present embodiment will not be described here.
Obviously, those skilled in the art should be understood that each module or each step of the above-mentioned present invention can be with general Realizing, they can concentrate on single computing device computing device, or be distributed in multiple computing devices and constituted Network on, alternatively, they can be realized with the executable program code of computing device, it is thus possible to by they Storage in the storage device by computing device performing, and in some cases, can be holding different from order herein The shown or described step of row, or they are fabricated to each integrated circuit modules respectively, or will be many in them Individual module or step are fabricated to single integrated circuit module to realize.So, the present invention is not restricted to any specific hardware Combine with software.
The preferred embodiments of the present invention are the foregoing is only, the present invention is not limited to, for the technology of this area For personnel, the present invention can have various modifications and variations.It is all within the spirit and principles in the present invention, made it is any Modification, equivalent, improvement etc., should be included within the scope of the present invention.

Claims (10)

1. a kind of frequency management method of polycaryon processor CPU, it is characterised in that include:
Periodically collection carries out the frequency of dynamic regulation in the case where Run-time scenario is specified to polycaryon processor CPU in terminal Change set;
Frequency change set medium frequency is counted according to default computation model, obtained according to statistical result The optimum frequency range of accommodation of the multi-core CPU under the specified Run-time scenario.
2. method according to claim 1, it is characterised in that the periodicity collection is in the case where Run-time scenario is specified to end The interior multi-core CPU in end carries out the frequency change set of dynamic regulation to be included:
Whether periodically monitoring operation program of the terminal under the specified Run-time scenario changes;
When the operation program of the terminal changes, by specifying regulation and control multi-core CPU of the algorithm to the terminal Carry out dynamic voltage scaling;
Collection enters Mobile state frequency to the multi-core CPU of the terminal when the operation program of the terminal changes The frequency change set that rate is adjusted.
3. method according to claim 2, it is characterised in that the specified regulation and control algorithm includes:Interactive is adjusted Control algorithm.
4. method according to claim 1, it is characterised in that the default computation model of the foundation changes to the frequency Set medium frequency is counted, and obtains under the specified Run-time scenario multi-core CPU most according to statistical result Good frequency-tuning range includes:
Frequency in the change set of statistic sampling frequency in the specified Run-time scenario obtains the multi-core CPU in institute State multiple operation ratios of each frequency in specified Run-time scenario;
The plurality of operation ratio is ranked up, and by order over-and-over addition from big to small until the result being added More than or equal to predetermined threshold;
The corresponding frequency range of multiple operation ratios more than or equal to predetermined threshold be will add up as the multinuclear The optimum frequency range of accommodation of CPU.
5. method according to any one of claim 1 to 4, it is characterised in that obtaining in institute according to statistical result After stating the optimum frequency range of accommodation of the multi-core CPU under specified Run-time scenario, methods described also includes:
Preserve optimum frequency range of accommodation of the terminal under the specified Run-time scenario;
When the terminal is run in the specified Run-time scenario again, directly invoke and the specified Run-time scenario Corresponding optimum frequency range of accommodation.
6. a kind of frequency management device of polycaryon processor CPU, it is characterised in that include:
Acquisition module, enters Mobile state tune for periodicity collection in the case where Run-time scenario is specified to multi-core CPU in terminal The frequency change set of section;
Management module, for counting to frequency change set medium frequency according to default computation model, foundation Statistical result obtains the optimum frequency range of accommodation of the multi-core CPU under the specified Run-time scenario.
7. device according to claim 6, it is characterised in that the acquisition module includes:
Whether detector unit, send out for periodicity monitoring operation program of the terminal under the specified Run-time scenario Changing;
Adjustment unit, for when the operation program of the terminal changes, by specifying regulation and control algorithm to described The multi-core CPU of terminal carries out dynamic voltage scaling;
Collecting unit, for collection when the operation program of the terminal changes, the multinuclear to the terminal CPU carries out the frequency change set of dynamic voltage scaling.
8. device according to claim 7, it is characterised in that the specified regulation and control algorithm includes:Interactive is adjusted Control algorithm.
9. device according to claim 6, it is characterised in that the management module includes:
Statistic unit, the frequency changed in set in the specified Run-time scenario for statistic sampling frequency obtain described Multiple operation ratios of multi-core CPU each frequency in the specified Run-time scenario;
Sequencing unit, for being ranked up to the plurality of operation ratio, and by order over-and-over addition from big to small Until the result being added is more than or equal to predetermined threshold;
Administrative unit, for will add up the corresponding frequency range conduct of multiple operation ratios more than or equal to predetermined threshold The optimum frequency range of accommodation of the multi-core CPU.
10. the device according to any one of claim 6 to 9, it is characterised in that described device also includes:
Preserving module, for obtaining the multi-core CPU under the specified Run-time scenario according to statistical result After optimum frequency range of accommodation, optimum frequency range of accommodation of the terminal under the specified Run-time scenario is preserved;
Calling module, for when the terminal is run in the specified Run-time scenario again, directly invoking and institute State the corresponding optimum frequency range of accommodation of specified Run-time scenario.
CN201510655298.4A 2015-10-10 2015-10-10 Frequency management method and device for multicore CPU (Central Processing Unit) Pending CN106569574A (en)

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CN112805657A (en) * 2018-11-26 2021-05-14 北京比特大陆科技有限公司 Frequency processing method, device, equipment and storage medium
CN112805657B (en) * 2018-11-26 2024-04-30 北京比特大陆科技有限公司 Frequency processing method, device, equipment and storage medium
CN109829542A (en) * 2019-01-29 2019-05-31 武汉星巡智能科技有限公司 Polynary depth network model reconstructing method and device based on multi-core processor
CN110442226A (en) * 2019-08-09 2019-11-12 上海工程技术大学 A kind of the particular task terminal handler frequency modulation method and device of task based access control type
CN110442226B (en) * 2019-08-09 2023-05-30 上海工程技术大学 Task type-based frequency modulation method and device for specific task terminal processor

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