CN110134217A - A kind of CPU power consumption managing device - Google Patents
A kind of CPU power consumption managing device Download PDFInfo
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- CN110134217A CN110134217A CN201910283659.5A CN201910283659A CN110134217A CN 110134217 A CN110134217 A CN 110134217A CN 201910283659 A CN201910283659 A CN 201910283659A CN 110134217 A CN110134217 A CN 110134217A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3206—Monitoring of events, devices or parameters that trigger a change in power modality
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3234—Power saving characterised by the action undertaken
- G06F1/324—Power saving characterised by the action undertaken by lowering clock frequency
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3234—Power saving characterised by the action undertaken
- G06F1/3296—Power saving characterised by the action undertaken by lowering the supply or operating voltage
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Abstract
The invention discloses a kind of CPU power consumption managing devices, including monitoring modular, control module, ADC/DAC module and power supply module；Monitoring modular is used to obtain the real time status information of CPU every preset time；Real time status information includes the minimum operating voltage of CPU, load current, environment temperature and the interior nuclear temperature of CPU locating for CPU；Control module, which is used to generate corresponding voltage control signal according to real time status information, is sent to ADC/DAC module；Control module, which is also used to generate corresponding frequency control signal according to real time status information, is sent to power supply module；ADC/DAC module is used to adjust the output voltage of power supply module according to the voltage control signal received；Wherein, the operating voltage that voltage is CPU out；Power supply module is used to adjust working frequency according to the frequency control signal received；Power supply module is also used to provide electric energy for CPU.The present invention can automatic CPU management power consumption, improve the stability of CPU.
Description
Technical field
The present invention relates to power consumption control techniques field more particularly to a kind of CPU power consumption managing devices.
Background technique
Currently, the market comsupton demand driving technology of electronic product develops, so that the CPU arithmetic speed of electronic product is more next
It is faster, and encapsulate smaller and smaller, cause the power consumption of CPU to become the bottleneck of technology development, power consumption is larger so that cpu temperature is higher,
To influence the stability of CPU, therefore CPU power consumption management becomes to be even more important.
Summary of the invention
The technical problem to be solved by the embodiment of the invention is that providing a kind of CPU power consumption managing device, can manage automatically
CPU power consumption is managed, the stability of CPU is improved.
In order to solve the above-mentioned technical problem, the embodiment of the invention provides a kind of CPU power consumption managing devices, including monitoring mould
Block, control module, ADC/DAC module and power supply module；
The monitoring modular is used to obtain the real time status information of CPU every preset time；The real time status information packet
Include the minimum operating voltage of CPU, load current, environment temperature and the interior nuclear temperature of CPU locating for CPU；
The control module is used to be sent to according to the corresponding voltage control signal of real time status information generation described
ADC/DAC module；The control module is also used to generate corresponding frequency control signal according to the real time status information and send
To the power supply module；
The ADC/DAC module is used to adjust the output of the power supply module according to the voltage control signal received
Voltage；Wherein, the output voltage is the operating voltage of CPU；
The power supply module is used to adjust working frequency according to the frequency control signal received；The power supply module
It is also used to provide electric energy for CPU.
Further, the control module is specifically used for being obtained according to the real time status information and preset running parameter table
The current optimal operating voltage of CPU is taken, and the voltage control signal is generated according to the current optimal operating voltage and is sent to
The ADC/DAC module.
Further, the control module is specifically used for being obtained according to the real time status information and preset running parameter table
The current optimum working frequency of the power supply module is taken, and the frequency control letter is generated according to the current optimum working frequency
Number it is sent to the power supply module.
Further, the monitoring modular and the control module integrate inside CPU.
Further, the power supply module is electric pressure converter.
Further, described device further includes clock module and phase-locked loop module；
The control module is specifically used for obtaining the current optimal work of the power supply module according to the real time status information
Working frequency；
The clock module and the phase-locked loop module are used to be generated according to the current optimum working frequency corresponding same
Step clock signal is sent to the power supply module；Wherein, the synchronizing clock signals are the frequency control signal.
Further, the clock module is clock oscillator.
Further, the clock module and the phase-locked loop module are integrated in inside CPU.
Compared with prior art, the embodiment of the invention provides a kind of CPU power consumption managing device, by monitoring modular every
The real time status information of preset time acquisition CPU；It is generated respectively accordingly by control module according to the real time status information of CPU
Voltage control signal, which is sent to ADC/DAC module and generates corresponding frequency control signal, is sent to power supply module；ADC/DAC
Module adjusts the output voltage of power supply module according to the voltage control signal received, which is the operating voltage of CPU；
Power supply module adjusts working frequency according to the frequency control signal received；Power supply module is used to provide electric energy for CPU；It can lead to
The automatic CPU management power consumption of adjusting for crossing CPU operating voltage and power supply module working frequency, to improve the stability of CPU.
Detailed description of the invention
Fig. 1 is a kind of structural block diagram of a preferred embodiment of CPU power consumption managing device provided by the invention；
Fig. 2 is a kind of structural block diagram of another preferred embodiment of CPU power consumption managing device provided by the invention；
Fig. 3 is a kind of voltage Principles of Regulation block diagram of CPU power consumption managing device provided by the invention；
Fig. 4 is a kind of frequency Principles of Regulation block diagram of CPU power consumption managing device provided by the invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained all without creative efforts
Other embodiments shall fall within the protection scope of the present invention.
It is shown in Figure 1 the embodiment of the invention provides a kind of CPU power consumption managing device, it is one kind provided by the invention
The structural block diagram of one preferred embodiment of CPU power consumption managing device, described device include monitoring modular 100, control module
200, ADC/DAC module 300 and power supply module 400；
The monitoring modular 100 is used to obtain the real time status information of CPU every preset time；The real time status information
Environment temperature and the interior nuclear temperature of CPU locating for minimum operating voltage, load current, CPU including CPU；
The control module 200, which is used to generate corresponding voltage control signal according to the real time status information, is sent to institute
State ADC/DAC module 300；The control module 200 is also used to generate corresponding frequency control according to the real time status information
Signal is sent to the power supply module 400；
The ADC/DAC module 300 is used to adjust the power supply module 400 according to the voltage control signal received
Output voltage；Wherein, the output voltage is the operating voltage of CPU；
The power supply module 400 is used to adjust working frequency according to the frequency control signal received；The power supply
Module 400 is also used to provide electric energy for CPU.
Specifically, (can be configured according to actual needs) by monitoring modular every preset time during CPU operation
Monitoring obtains the real time status information of CPU, which includes the minimum work electricity needed for current CPU is operated normally
It presses, the interior nuclear temperature that the environment temperature that real time load electric current, the CPU of CPU are presently in and CPU are current；Pass through control module
Corresponding voltage control signal is generated respectively according to the real time status information of the CPU of acquisition is sent to ADC/DAC module, generation phase
The frequency control signal answered is sent to power supply module；ADC/DAC module is according to the voltage control signal received to power supply module
Output voltage be adjusted, power supply module provides electric energy for CPU, and the output voltage of power supply module is the operating voltage of CPU,
To realize the adjusting to the operating voltage of CPU；Power supply module adjusts power supply module certainly according to the frequency control signal received
The working frequency of body.
It should be noted that monitoring modular includes the ring oscillators of a large amount of different circuits, generally by sensing
Device, data acquisition, data processing, diagnostic circuit composition, by these circuit component parts, the available CPU's of monitoring modular
Real time status information, that is, under the premise of guaranteeing cpu performance the minimum operating voltage of required CPU, CPU load number
According to the status informations such as environment temperature and the interior nuclear temperature of CPU locating for, CPU.
In addition, different CPU leads to reality due to the difference of making technology, locating environment temperature difference, load difference etc.
Supply voltage needed for CPU has minute differences when border works, the power supply bigger for supply current, if be able to achieve full
Operating voltage is reduced under the premise of sufficient performance, the power consumption of CPU can be optimized.
Due to change CPU itself working frequency can stability influence to complete machine it is larger, the embodiment of the present invention is only
It changes to the working frequency of the CPU power supply module (such as DC chip) powered；The working frequency of DC chip is adjusted, to reach two
Purpose: (1) DC chip is under different working frequencies, and voltage efficiency is different, such as when light load, can work
At this moment lower frequency can enter underloading high effective model, by this method, the available intelligence of the transformation efficiency of DC chip is adjusted
Section can optimize whole plate power consumption by adjusting to the transformation efficiency of the CPU DC chip powered；(2) DC chip can close on other
Circuit generates certain interference, to some analog equipments especially for working frequency near DC chip when can interfere increase,
At this time by adjusting the working frequency of DC chip, the frequency of this interference is avoided, can achieve the purpose of optimization performance.
A kind of CPU power consumption managing device provided by the embodiment of the present invention, can be automatic according to the real time status information of CPU
The operating voltage of CPU is adjusted, on the basis of guaranteeing normal operation, so that the operating voltage of CPU is as low as possible,
CPU power consumption is reduced, simultaneously, additionally it is possible to carry out automatically to the working frequency of the power supply module of CPU according to the real time status information of CPU
It adjusts, reduces power supply module to closing on what circuit of the circuit especially working frequency near the working frequency of power supply module generated
Interference optimizes cpu performance, so that the automatic adjustment by CPU operating voltage and power supply module working frequency realizes CPU power consumption
Automatic management, improve the stability of CPU.
Preferably, the control module is specifically used for according to the real time status information and preset running parameter
Table obtains the current optimal operating voltage of CPU, and generates the voltage control signal according to the current optimal operating voltage and send out
It send to the ADC/DAC module.
Preferably, the control module is specifically used for according to the real time status information and preset running parameter
Table obtains the current optimum working frequency of the power supply module, and generates the frequency control according to the current optimum working frequency
Signal processed is sent to the power supply module.
Specifically, in conjunction with above-described embodiment, it is locating since chip making technology is different after different cpu chip upper plates
Environment temperature it is different, load is different, and minimum operating voltage requirements actually required are different, that is to say, that same hardware, place
In different environment temperatures, different loads is connected, required minimum operating voltage is all different；Monitoring modular passes through inside
The available real time status information to CPU of component units, control module is by the real time status information according to CPU, in conjunction with interior
Portion's software algorithm is tabled look-up (the pre-set running parameter table for having maintenance inside software), determines which area is each parameter be in
Between range, how much minimum voltage requirements are, thus calculate CPU current optimal operating voltage (i.e. CPU currently work normally needed for
Minimum voltage) and power supply module current optimum working frequency, and corresponding electricity is generated according to the current optimal operating voltage of CPU
Voltage-controlled signal processed is sent to ADC/DAC module, generates corresponding frequency according to the current optimum working frequency of power supply module and controls
Signal is sent to power supply module, so that ADC/DAC module is adjusted according to the power supply module that voltage control signal control is that CPU powers
The output voltage of power supply module is saved to current optimal operating voltage, so that power supply module adjusts power supply mould according to frequency control signal
The working frequency of block itself.
It should be noted that environment temperature locating for CPU is higher, operating voltage can be lower；The load of CPU is lower, work
Making voltage can be lower, and the working frequency of power supply module can also be turned down；On chip processing procedure (when wafer makes chip, different positions
Setting the chip worked it out can be variant, and the chip performance in wafer middle position is better than corner) it is better, operating voltage can be with
It is lower.
Preferably, the monitoring modular and the control module integrate inside CPU.
It should be understood that CPU itself, which can be used as control module, carries out data processing, and with the hair of chip technology
Exhibition, monitoring modular generally can be all directly integrated in inside CPU.
Preferably, the power supply module is electric pressure converter.
It should be understood that power supply module is used to provide operating voltage for CPU, electric pressure converter can be, such as commonly
DC chip, it is assumed that power supply adaptor provides 12V power voltage supply, and CPU needs 1.0V, 3.3V power voltage supply, can pass through DC-DC
1.0V, 3.3V voltage needed for 12V voltage is converted to CPU by conversion chip.
In a further advantageous embodiment, shown in Figure 2, it is a kind of CPU power consumption managing device provided by the invention
The structural block diagram of another preferred embodiment, described device further include clock module 500 and phase-locked loop module 600；
The control module 200 is specifically used for obtaining the current of the power supply module 400 according to the real time status information
Optimum working frequency；
The clock module 500 and the phase-locked loop module 600 are used to generate phase according to the current optimum working frequency
The synchronizing clock signals answered are sent to the power supply module 400；Wherein, the synchronizing clock signals are frequency control letter
Number.
Specifically, control module is calculated according to the real time status information of CPU by internal algorithm in conjunction with above-described embodiment
To the current optimum working frequency of the CPU power supply module powered, clock module and phase-locked loop module then working as according to power supply module
Preceding optimum working frequency generates corresponding synchronizing clock signals and is sent to power supply module, which is said frequencies
Signal is controlled, so that power supply module adjusts the working frequency of power supply module itself according to synchronizing clock signals.
It should be noted that exporting the synchronizing clock signals of specific frequency by clock module and phase-locked loop module, at this time
Power supply module needs support the control model of clock input, and power supply module is allowed to pass through the synchronization of the specific frequency received
Clock signal adjusts working frequency to desired value.
Preferably, the clock module is clock oscillator.
Preferably, the clock module and the phase-locked loop module are integrated in inside CPU.
It should be understood that clock module and phase-locked loop module generally can be all directly integrated in the development of chip technology
Inside CPU, i.e. there are clock oscillator and phase-locked loop circuit inside CPU, by these circuit modules, chip can export different frequencies
The clock of rate, and phase-locked loop circuit can play the role of stable output frequency.
It is shown in Figure 3, it is a kind of voltage Principles of Regulation block diagram of CPU power consumption managing device provided by the invention, in conjunction with
The adjustment process of the output voltage of power supply module (DC chip) is specifically described in above-described embodiment:
The ADC/DAC module on the right accesses the power supply module of CPU, i.e. DC chip by resistance Rdac in Fig. 3, according to Kiel
Hough current law has Ia+Im=Ib, and due to the reference voltage that VFB is DC chip, according to DC chip characteristics, VFB will not become,
After Rbot is selected, Ib will not become, and when Vm voltage increases, Im increases, and according to Ia+Im=Ib, Ia can reduce at this time, tie simultaneously
Vout1=VFB+Ia*Rtop is closed, corresponding Vout1 can be reduced, i.e., the voltage Vout of DC chip is reduced.
It should be noted that ADC/DAC module is that digital signal and analog signal are mutually converted and can be used, for example, giving
CPU power supply ADC/DAC module be 1.8V, ADC/DAC module is 10bit, then ADC can export control voltage accuracy be
1800/1024, wherein 1024 be 2 10 powers, about 1.76mV.After electrifying startup, ADC/DAC module can be first from height
(consider from algorithm and standpoint of efficiency to low 0~1023 gear of traversal, may be stepping with 5%, only need 20 times in this way),
The register value (digital value) for needing to be arranged when counting each DAC output different voltages, needed for getting CPU and can work
Minimum operating voltage after, by ADC/DAC module traversed just now trial maintenance table, know how to be arranged
DAC register realizes that voltage is adjusted to export this minimum operating voltage.
The profile adjustment to voltage may be implemented by ADC/DAC module, the ADC/DAC module of isotopic number not can achieve
Different control precision.
It is shown in Figure 4, it is a kind of frequency Principles of Regulation block diagram of CPU power consumption managing device provided by the invention, in conjunction with
The adjustment process of the working frequency of power supply module (DC chip) is specifically described in above-described embodiment:
After electrifying startup, got parms information by monitoring modular；CPU is according to parameter information and software algorithm and table look-up can
With obtain CPU minimum operating voltage and outside DC chip working frequency (due to whole plate DC chip can more than 1 tunnel, CPU can
With the different clock frequency of output multi-channel, different DC chips is docked, the second tunnel shown in Fig. 4 is optional)；The operating voltage of CPU
By ADC/DAC module de-regulation, which is not described herein again；Phaselocked loop and clock module inside CPU can export specific frequency
Clock CLK_REF, i.e., the operating frequency value of external DC chip；External DC chip needs support clock input control mode, leads to
It crosses CPU and the clock to come is provided, the working frequency of DC chip is adjusted to desired value；It is concatenated among CPU and DC chip in Fig. 4
Resistance plays the role of current limliting pressure regulation, can adjust resistance value according to the actual situation.
To sum up, a kind of CPU power consumption managing device provided by the embodiment of the present invention has the following beneficial effects:
(1) relative to the single fixed supply voltage system of tradition, CPU power consumption can be reduced, improves CPU stability, is saved
The energy；Such as without technical solution provided in an embodiment of the present invention, the voltage needs that all IC Core voltages can work normally are set
It sets in 1.0~1.05V, but uses technical solution provided in an embodiment of the present invention, IC Core can be (good according to chip processing procedure
Chip operating voltage can be lower than the chip operating voltage of difference), environment temperature (hot operation voltage can reduce), dynamic it is negative
(load is low, and voltage can reduce) etc. is carried, operating voltage is allow to carry out dynamic adjustment between 0.85~0.93V, due to
Core voltage is larger, can be substantially reduced CPU power consumption；
(2) control process automatically adjusts, and is not necessarily to manual intervention；
(3) working frequency for adjusting external DC chip keeps DC chip using different working frequencies to different loads
Transfer efficiency；Simultaneously for some frequencies than more sensitive system, for example, there are some specific frequency interference when, it is adjustable
DC working frequency makes its no longer this range, optimizes performance.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvement and deformations can also be made, these improvement and deformations
Also it should be regarded as protection scope of the present invention.
Claims (8)
1. a kind of CPU power consumption managing device, which is characterized in that including monitoring modular, control module, ADC/DAC module and power supply
Module；
The monitoring modular is used to obtain the real time status information of CPU every preset time；The real time status information includes CPU
Minimum operating voltage, load current, environment temperature and the interior nuclear temperature of CPU locating for CPU；
The control module, which is used to generate corresponding voltage control signal according to the real time status information, is sent to the ADC/
DAC module；The control module, which is also used to generate corresponding frequency control signal according to the real time status information, is sent to institute
State power supply module；
The ADC/DAC module is used to adjust the output electricity of the power supply module according to the voltage control signal received
Pressure；Wherein, the output voltage is the operating voltage of CPU；
The power supply module is used to adjust working frequency according to the frequency control signal received；The power supply module is also used
In providing electric energy for CPU.
2. CPU power consumption managing device as described in claim 1, which is characterized in that the control module is specifically used for according to institute
It states real time status information and preset running parameter table obtains the current optimal operating voltage of CPU, and according to described current optimal
Operating voltage generates the voltage control signal and is sent to the ADC/DAC module.
3. CPU power consumption managing device as described in claim 1, which is characterized in that the control module is specifically used for according to institute
It states real time status information and preset running parameter table obtains the current optimum working frequency of the power supply module, and according to described
Current optimum working frequency generates the frequency control signal and is sent to the power supply module.
4. CPU power consumption managing device as described in claim 1, which is characterized in that the monitoring modular and the control module
It is integrated in inside CPU.
5. CPU power consumption managing device as described in claim 1, which is characterized in that the power supply module is electric pressure converter.
6. CPU power consumption managing device as described in claim 1, which is characterized in that described device further includes clock module and lock
Phase ring moulds block；
The control module is specifically used for obtaining the current optimal work frequency of the power supply module according to the real time status information
Rate；
When the clock module is used to generate corresponding synchronous according to the current optimum working frequency with the phase-locked loop module
Clock signal is sent to the power supply module；Wherein, the synchronizing clock signals are the frequency control signal.
7. CPU power consumption managing device as claimed in claim 6, which is characterized in that the clock module is clock oscillator.
8. such as CPU power consumption managing device described in claim 5 or 6, which is characterized in that the clock module and the phaselocked loop
Module is integrated in inside CPU.
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| CN201910283659.5A CN110134217B (en) | 2019-04-10 | 2019-04-10 | CPU power consumption management device |
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| CN110703898A (en) * | 2019-09-06 | 2020-01-17 | 无锡江南计算技术研究所 | Dynamic management system and method for processor power consumption based on periodic query and interrupt |
| CN111984109A (en) * | 2020-08-05 | 2020-11-24 | 华东计算技术研究所（中国电子科技集团公司第三十二研究所） | Central processing unit frequency modulation method, system and medium based on substrate management controller |
| CN112083752A (en) * | 2020-09-03 | 2020-12-15 | 索尔思光电（成都）有限公司 | Optical transceiving system, module and method based on self-adaptive voltage regulation |
| CN113641550A (en) * | 2021-06-16 | 2021-11-12 | 无锡江南计算技术研究所 | Processor power consumption management and control method and device |
| CN115903976A (en) * | 2022-11-01 | 2023-04-04 | 广州鸿博微电子技术有限公司 | Method, device and equipment for controlling power consumption of digital integrated circuit and storage medium |
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| CN111984109A (en) * | 2020-08-05 | 2020-11-24 | 华东计算技术研究所（中国电子科技集团公司第三十二研究所） | Central processing unit frequency modulation method, system and medium based on substrate management controller |
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| CN115903976A (en) * | 2022-11-01 | 2023-04-04 | 广州鸿博微电子技术有限公司 | Method, device and equipment for controlling power consumption of digital integrated circuit and storage medium |
| CN115903976B (en) * | 2022-11-01 | 2023-10-27 | 广州鸿博微电子技术有限公司 | Digital integrated circuit power consumption control method, device, equipment and storage medium |
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