CN102622078A - Performance per watt optimization method and device for computer based on renewable energy sources - Google Patents

Performance per watt optimization method and device for computer based on renewable energy sources Download PDF

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CN102622078A
CN102622078A CN2012100195547A CN201210019554A CN102622078A CN 102622078 A CN102622078 A CN 102622078A CN 2012100195547 A CN2012100195547 A CN 2012100195547A CN 201210019554 A CN201210019554 A CN 201210019554A CN 102622078 A CN102622078 A CN 102622078A
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processor core
load
grade
power consumption
buffer area
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CN2012100195547A
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CN102622078B (en
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李涛
李超
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李涛
李超
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Abstract

The invention discloses a performance per watt optimization method and device for a computer based on renewable energy sources. The method comprises the following steps: pre-defining the load grade of each processor core in a multi-core processor according to the load support situation, pre-establishing a load regulation and control buffer area of the multi-core processor, and pre-defining three system initialization variables: a front pointer, a tail pointer and an energy consumption keyword; knowing the electric energy supply situation of the renewable energy sources by checking the energy consumption keyword after initialization, then figuring out an optimal electric energy distribution scheme among all the processor cores with the help of the load regulation and control buffer area, feeding the scheme back to an external power supply management controller as output, simultaneously updating the load regulation and control buffer area according to the adjustment result fed back by the power supply management controller and further realizing the optimization of the performance per watt of the multi-core computer based on the renewable energy sources.

Description

Based on the performance power consumption of the computing machine of regenerative resource than optimization method and device

Technical field

The performance power consumption that the present invention relates to a kind of computing machine is than optimisation technique, and the performance power consumption that relates in particular to a kind of computing machine based on regenerative resource is than optimization method and device.

Background technology

Along with development of science and technology, its processor of part modern computer is formed (each little computing unit is referred to as a processor core) by a plurality of little computing units.In fact such polycaryon processor has comprised a plurality of controlled loads.For example, the Intel processors of one 8 nuclear, just there are 8 nuclears its inside, and each nuclear is gone up the program of operation and can not fixed, and each nuclear all supports independent frequency and voltage-regulation, promptly is equivalent to 8 dynamic loads.And the performance power consumption is than a crucial measurement index that is computer nowadays, and for the processor of computing machine, the electric energy difference of each watt all possibly cause the greatest differences of performance.

Certainly, under the condition that possesses stable and sufficient civil power, processor is not high to the distribution requirements of each internuclear electric energy.But for for the computing machine of regenerative resource; Under regenerative resource (for example sun power, wind energy, tide energy) drives as input; Possibly often occur because energy is supplied with, want the computing power that is converted into, remove outside the electric energy that draws each watt valuable green energy resource maximum than great fluctuation process; Also need the most optimized electric energy of making good use of each watt; Therefore, how appropriate distribution electric energy just seem particularly important for the performance of optimizing based on the computing machine of regenerative resource.

Summary of the invention

The performance power consumption that the object of the present invention is to provide a kind of computing machine based on regenerative resource is than optimization method and device, the performance power consumption ratio based on the multi-core computer of regenerative resource is optimized realizing.

For achieving the above object, one aspect of the present invention provides a kind of performance power consumption of the computing machine based on regenerative resource than optimization method, may further comprise the steps:

Load support situation according to each processor core in the polycaryon processor defines its grade of load in advance;

Set up the load regulation and control buffer area of polycaryon processor in advance; Said load regulation and control buffer area is used to store the ID of each processor core, the load performance grade of each processor core and the performance power consumption ratio of each processor core, and said processor core sorts than extremely hanging down from height according to the performance power consumption;

Three system initialization variablees of predefine: head pointer, tail pointer and energy consumption key word; Said head pointer and said tail pointer are in order to the said load regulation and control of index buffer area, and said energy consumption key word is supplied with and the loading demand situation in order to the electric energy of indicating the current regenerative resource of said polycaryon processor; At any one constantly, said head pointer points to and satisfies condition: (a) grade of load of a certain processor core does not reach the highest; (b) this processor core is that all satisfy in the processor core of (a) conditions the performance power consumption than the highest; At any one constantly, said tail pointer points to and satisfies condition: (c) not dormancy of a certain processor core; (d) this processor core is that all satisfy in the processor core of (c) conditions the performance power consumption than minimum;

Behind the system initialization, inspection energy consumption key word;

Judge according to check result whether sufficient the electric energy of regenerative resource is supplied with;

If supply with sufficiently, read current head pointer processor core pointed, judge then whether this processor core reaches its high capacity grade; If reach high capacity grade; Judge then whether said current head pointer points to the end of said load regulation and control buffer area; If do not point to the end, then the sensing with said current head pointer moves down one, and then reads current head pointer processor core pointed and judge next time; If this control cycle is then finished at the sensing end; If do not reach high capacity grade, the ID that then exports said current head pointer processor core pointed is adjusted the grade of load of the pairing processor core of this ID by said power source management controller to outside power source management controller;

If undersupply reads current tail pointer processor core pointed, judge then whether this processor core reaches its minimum load grade; If reach the minimum load grade; Judge then whether said current tail pointer points to the top of said load regulation and control buffer area; If do not point to the top, then move one in the sensing with said current tail pointer, and then read current tail pointer processor core pointed and judge next time; If this control cycle is then finished on the sensing top; If do not reach the minimum load grade, the ID that then exports said current tail pointer processor core pointed is adjusted the grade of load of the pairing processor core of this ID by said power source management controller to outside power source management controller;

Receive said power source management controller in the adjustment result who adjusts the back feedback, upgrade said load regulation and control buffer area according to said adjustment result.

The performance power consumption of the computing machine based on regenerative resource of the present invention is than optimization method, saidly upgrades said load regulation and control buffer area according to the adjustment result, specifically comprises:

Upgrade the performance power consumption ratio of each processor core according to said adjustment result;

Processor core after upgrading is resequenced according to performance power consumption ratio from high to low.

The performance power consumption of the computing machine based on regenerative resource of the present invention is than optimization method, and said time value set is 100 milliseconds.

Again on the one hand, the present invention also provides a kind of performance power consumption of the computing machine based on regenerative resource than optimization means, comprising:

Grade of load definition module is used in advance its grade of load of load support situation definition according to each processor core of polycaryon processor;

Buffer memory is set up module, is used for setting up in advance the load regulation and control buffer area of polycaryon processor; Said load regulation and control buffer area is used to store the ID of each processor core, the load performance grade of each processor core and the performance power consumption ratio of each processor core, and each processor core sorts than extremely hanging down from height according to the performance power consumption;

The initializing variable definition module is used for three system initialization variablees of predefine: head pointer, tail pointer and energy consumption key word; Said head pointer and said tail pointer are in order to the said load regulation and control of index buffer area, and said energy consumption key word is supplied with and the loading demand situation in order to the electric energy of indicating the current regenerative resource of said polycaryon processor; At any one constantly, said head pointer points to and satisfies condition: (a) grade of load of a certain processor core does not reach the highest; (b) this processor core is that all satisfy in the processor core of (a) conditions the performance power consumption than the highest; At any one constantly, said tail pointer points to and satisfies condition: (c) not dormancy of a certain processor core; (d) this processor core is that all satisfy in the processor core of (c) conditions the performance power consumption than minimum;

Detection module is used for inspection energy consumption key word behind system initialization;

Judge module is used for judging according to check result whether sufficient the electric energy of regenerative resource is supplied with;

Adjusting module is used for judging the electric energy of said regenerative resource when said judge module and supplies with when sufficient, reads current head pointer processor core pointed, judges then whether this processor core reaches its high capacity grade; If reach high capacity grade; Judge then whether said current head pointer points to the end of said load regulation and control buffer area; If do not point to the end, then the sensing with said current head pointer moves down one, and then reads current head pointer processor core pointed and judge next time; If this control cycle is then finished at the sensing end; If do not reach high capacity grade, the ID that then exports said current head pointer processor core pointed is adjusted the grade of load of the pairing processor core of this ID by said power source management controller to outside power source management controller; And when said judge module is judged the electric energy undersupply of said regenerative resource, read current tail pointer processor core pointed, judge then whether this processor core reaches its minimum load grade; If reach the minimum load grade; Judge then whether said current tail pointer points to the top of said load regulation and control buffer area; If do not point to the top, then move one in the sensing with said current tail pointer, and then read current tail pointer processor core pointed and judge next time; If this control cycle is then finished on the sensing top; If do not reach the minimum load grade, the ID that then exports said current tail pointer processor core pointed is adjusted the grade of load of the pairing processor core of this ID by said power source management controller to outside power source management controller;

Update module is used to receive said power source management controller in the adjustment result who adjusts the back feedback, upgrades said load regulation and control buffer area according to said adjustment result.

The performance power consumption of the computing machine based on regenerative resource of the present invention is than optimization means, and said update module comprises:

Receive submodule, be used to receive said power source management controller in the adjustment result who adjusts the back feedback;

The performance power consumption is used for upgrading according to said adjustment result the performance power consumption ratio of each processor core than updating submodule;

The ordering updating submodule is used for the processor core after upgrading according to the rearrangement from high to low of performance power consumption ratio.

The performance power consumption of the computing machine based on regenerative resource of the present invention is than in the optimization method; Load support situation according to each processor core in the polycaryon processor defines its grade of load in advance; Set up the load regulation and control buffer area of polycaryon processor in advance, and three system initialization variablees of predefine: head pointer, tail pointer and energy consumption key word; Head pointer and tail pointer are in order to index load regulation and control buffer area, and the energy consumption key word is supplied with and the loading demand situation in order to the electric energy of the current regenerative resource of indication polycaryon processor; After the initialization; Know the electric energy supply situation of regenerative resource through inspection energy consumption key word; Calculate the optimal electrical power allocative decision between each processor core by means of load regulation and control buffer area then; And this scheme fed back to outside power source management controller as output, the adjustment result according to the power source management controller feedback upgrades load regulation and control buffer area simultaneously, thereby has realized the optimization based on the performance power consumption ratio of the multi-core computer of regenerative resource.

Description of drawings

Fig. 1 be one embodiment of the invention based on the performance power consumption of the computing machine of regenerative resource architectural schematic than load regulation and control buffer area in the optimization method;

Fig. 2 be one embodiment of the invention based on the performance power consumption of the computing machine of regenerative resource process flow diagram than optimization method;

Fig. 3 be one embodiment of the invention based on the performance power consumption of the computing machine of regenerative resource structured flowchart than optimization means.

Embodiment

Be described in detail below in conjunction with the accompanying drawing specific embodiments of the invention:

Present embodiment based on the performance power consumption of the computing machine of regenerative resource than in the optimization method; Will be in advance according to its grade of load of load support situation definition of each processor core in the polycaryon processor; When system start-up, set up the load regulation and control buffer area of polycaryon processor in advance, and three system initialization variablees of predefine.Wherein, for the definition grade of load, such as the Pentium processor for support Enhanced Intel SpeedStep technology, we have 6 different voltages with different/frequencies available, and therefore, the user just can define 6 grades of load at most.In conjunction with shown in Figure 1; Processor with 8 nuclears is an example; The load regulation and control buffer area of setting up is used to store the ID of each processor core, the load performance grade of each processor core and the performance power consumption ratio of each processor core, and each processor core according to the performance power consumption than from height to low ordering, for each processor core; It is the index number (being ID) of storage of processor nuclear that 4B is arranged in the internal memory of 12 bytes; The load performance grade that has 4B to be used for storing the reference numeral processor core, all properties grade initialization are the lowest class 1, and last 4B is used for depositing the performance power consumption ratio of this processor core when last one regulates and control end cycle.And three system initialization variablees are: head pointer F, tail pointer R and energy consumption key word E; Wherein, F and R are meant the aciculiform variable, in order to index load regulation and control buffer area; At any one constantly, the sensing of head pointer satisfies condition: (a) grade of load of a certain processor core does not reach the highest; (b) this processor core is that all satisfy in the processor core of (a) conditions the performance power consumption than the highest; At any one constantly, the sensing of tail pointer satisfies condition: (c) not dormancy of a certain processor core; (d) this processor core is that all satisfy in the processor core of (c) conditions the performance power consumption than minimum; And energy consumption key word E is the shaping numerical value of setting in order to indicate current electric energy supply of polycaryon processor and loading demand situation, and E=1 representes to supply with greater than load, and E=0 representes to supply with less than load.The numerical value of E is obtained by operating system in real time and upgrades.

Behind system initialization, with reference to shown in Figure 2, the performance power consumption based on the computing machine of regenerative resource of present embodiment is following than optimizing process:

Step S1, inspection energy consumption key word E.

Step S2, according to check result judge the electric energy of regenerative resource supply with whether sufficient, if abundance then execution in step S301 and step later on thereof, otherwise execution in step S311 and step later on thereof.

Step S301 when electric energy is supplied with abundance, reads current head pointer processor core pointed.

Step S302 judges whether this processor core reaches its high capacity grade.If reach, execution in step S303 then, otherwise execution in step S4.

Step S303 when this processor core reaches its high capacity grade, judges further whether current head pointer points to the end of load regulation and control buffer area, if, this control cycle then, otherwise, execution in step S304.Step S304 moves down one with the sensing of current head pointer, and promptly head pointer points to the next bit processor core of this processor core, the S301 of redirect execution in step then.

Step S311 when the electric energy undersupply, reads when tail pointer processor core pointed.

Step S312 judges whether this processor core reaches its minimum load grade.If reach, execution in step S313 then, otherwise execution in step S4.

Step S313 when this processor core reaches its minimum load grade, judges further whether current tail pointer points to the top of load regulation and control buffer area, if, this control cycle then, otherwise, execution in step S314.

Step S314 moves one in the sensing with current tail pointer, promptly tail pointer points to the last one-bit processor nuclear of this processor core, the S311 of redirect execution in step then.

Step S4, with the ID that does not reach its high capacity grade processor core, or the ID that will not reach its minimum load grade processor core exports outside power source management controller to.Through above-mentioned optimization; The pairing processor core of the ID of this output is exactly the current processor core that needs most adjustment; Its concrete adjustment process is then accomplished by power source management controller control; Be specially: power source management controller sends the processor core that corresponding ID is given in instruction, so that the regulating and controlling voltage device that this processor core connects (Voltage Regulation Module, 1 grade of the corresponding rising/reduction of output voltage VRM)).We know, the major function of VRM is to convert outer power voltage (civil power/sun power/or other any power sources) to fixing voltage that the processor that can supply computing machine utilizes.The needed voltage of the work of processor is provided by VRM; VRM receives the control of processor simultaneously again; The position control signal that is generated the regulating and controlling voltage device by processor is called as voltage authentication code (Voltage Identification; VID), each different VID will cause the specific magnitude of voltage of regulating and controlling voltage device output.

Step S5 receives power source management controller in the adjustment result who adjusts the back feedback, upgrades the performance power consumption ratio of each processor core according to the adjustment result.

Step S6 compares from high to low quicksort again with the processor core after upgrading according to the performance power consumption.

With reference to shown in Figure 3, the performance power consumption based on the computing machine of regenerative resource of present embodiment comprises than optimization means: grade of load definition module 31 is used in advance its grade of load of load support situation definition according to each processor core of polycaryon processor; Buffer memory is set up the load regulation and control buffer area that module 32 is used for setting up in advance polycaryon processor; This load regulation and control buffer area is used to store the ID of each processor core, the load performance grade of each processor core and the performance power consumption ratio of each processor core, and each processor core sorts than extremely hanging down from height according to the performance power consumption; Initializing variable definition module 33 is used for three system initialization variablees of predefine: head pointer, tail pointer and energy consumption key word; Head pointer and tail pointer are in order to index load regulation and control buffer area, and the energy consumption key word is supplied with and the loading demand situation in order to the electric energy of the current regenerative resource of indication polycaryon processor; At any one constantly, head pointer points to and satisfies condition: (a) grade of load of a certain processor core does not reach the highest; (b) this processor core is that all satisfy in the processor core of (a) conditions the performance power consumption than the highest; At any one constantly, tail pointer points to and satisfies condition: (c) not dormancy of a certain processor core; (d) this processor core is that all satisfy in the processor core of (c) conditions the performance power consumption than minimum; Detection module 34 is used for inspection energy consumption key word behind system initialization; Judge module 35 is used for judging according to check result whether sufficient the electric energy of regenerative resource is supplied with; Adjusting module 36 is used for judging the electric energy of regenerative resources when judge module 35 to be supplied with when sufficient, reads current head pointer processor core pointed, judges then whether this processor core reaches its high capacity grade; If reach high capacity grade; Judge then whether current head pointer points to the end of load regulation and control buffer area; If do not point to the end, then the sensing with current head pointer moves down one, and then reads current head pointer processor core pointed and judge next time; If this control cycle is then finished at the sensing end; If do not reach high capacity grade, the ID that then exports current head pointer processor core pointed is adjusted the grade of load of the pairing processor core of this ID by power source management controller to outside power source management controller; And when judge module 35 is judged the electric energy undersupply of regenerative resource, read current tail pointer processor core pointed, judge then whether this processor core reaches its minimum load grade; If reach the minimum load grade; Judge then whether current tail pointer points to the top of load regulation and control buffer area; If do not point to the top, then move one in the sensing with current tail pointer, and then read current tail pointer processor core pointed and judge next time; If this control cycle is then finished on the sensing top; If do not reach the minimum load grade, the ID that then exports current tail pointer processor core pointed is adjusted the grade of load of the pairing processor core of this ID by power source management controller to outside power source management controller; Update module 37 is used to receive power source management controller in the adjustment result who adjusts the back feedback, upgrades load regulation and control buffer area according to the adjustment result; And update module 37 comprises: receive submodule 371 and be used to receive power source management controller in the adjustment result who adjusts the back feedback; The performance power consumption is used for upgrading according to the adjustment result performance power consumption ratio of each processor core than updating submodule 372; Ordering updating submodule 373 is used for the processor core after upgrading according to the rearrangement from high to low of performance power consumption ratio.

This shows; The performance power consumption based on the computing machine of regenerative resource of present embodiment can be any one programmable single-chip microcomputer or microcontroller than optimization means; Carry out the functional module of above-mentioned foundation in this programmable single-chip microcomputer or the microcontroller; And this programmable single-chip microcomputer/microcontroller has the function that communicates with outside power source management controller, to reach the purpose of electric energy optimizing.Certainly, it will be appreciated by those skilled in the art that the module in the device among the embodiment can be distributed in the device of embodiment according to the embodiment description, also can carry out respective change and be arranged in the one or more devices that are different from present embodiment.The module of the foregoing description can be merged into a module, also can further split into a plurality of submodules.Specifically can decide as required.

Above embodiment describes preferred implementation of the present invention; Be not that scope of the present invention is limited; Design under the prerequisite of spirit not breaking away from the present invention; Various distortion and improvement that the common engineering technical personnel in this area make technical scheme of the present invention all should fall in the definite protection domain of claims of the present invention.

Claims (4)

  1. One kind based on the performance power consumption of the computing machine of regenerative resource than optimization method, it is characterized in that, may further comprise the steps:
    Load support situation according to each processor core in the polycaryon processor defines its grade of load in advance;
    Set up the load regulation and control buffer area of polycaryon processor in advance; Said load regulation and control buffer area is used to store the ID of each processor core, the load performance grade of each processor core and the performance power consumption ratio of each processor core, and said processor core sorts than extremely hanging down from height according to the performance power consumption;
    Three system initialization variablees of predefine: head pointer, tail pointer and energy consumption key word; Said head pointer and said tail pointer are in order to the said load regulation and control of index buffer area, and said energy consumption key word is supplied with and the loading demand situation in order to the electric energy of indicating the current regenerative resource of said polycaryon processor; At any one constantly, said head pointer points to and satisfies condition: (a) grade of load of a certain processor core does not reach the highest; (b) this processor core is that all satisfy in the processor core of (a) conditions the performance power consumption than the highest; At any one constantly, said tail pointer points to and satisfies condition: (c) not dormancy of a certain processor core; (d) this processor core is that all satisfy in the processor core of (c) conditions the performance power consumption than minimum;
    Behind the system initialization, inspection energy consumption key word;
    Judge according to check result whether sufficient the electric energy of regenerative resource is supplied with;
    If supply with sufficiently, read current head pointer processor core pointed, judge then whether this processor core reaches its high capacity grade; If reach high capacity grade; Judge then whether said current head pointer points to the end of said load regulation and control buffer area; If do not point to the end, then the sensing with said current head pointer moves down one, and then reads current head pointer processor core pointed and judge next time; If this control cycle is then finished at the sensing end; If do not reach high capacity grade, the ID that then exports said current head pointer processor core pointed is adjusted the grade of load of the pairing processor core of this ID by said power source management controller to outside power source management controller;
    If undersupply reads current tail pointer processor core pointed, judge then whether this processor core reaches its minimum load grade; If reach the minimum load grade; Judge then whether said current tail pointer points to the top of said load regulation and control buffer area; If do not point to the top, then move one in the sensing with said current tail pointer, and then read current tail pointer processor core pointed and judge next time; If this control cycle is then finished on the sensing top; If do not reach the minimum load grade, the ID that then exports said current tail pointer processor core pointed is adjusted the grade of load of the pairing processor core of this ID by said power source management controller to outside power source management controller;
    Receive said power source management controller in the adjustment result who adjusts the back feedback, upgrade said load regulation and control buffer area according to said adjustment result.
  2. 2. the performance power consumption of the computing machine based on regenerative resource according to claim 1 is characterized in that than optimization method, saidly upgrades said load regulation and control buffer area according to the adjustment result, specifically comprises:
    Upgrade the performance power consumption ratio of each processor core according to said adjustment result;
    Processor core after upgrading is resequenced according to performance power consumption ratio from high to low.
  3. One kind based on the performance power consumption of the computing machine of regenerative resource than optimization means, it is characterized in that, comprising:
    Grade of load definition module is used in advance its grade of load of load support situation definition according to each processor core of polycaryon processor;
    Buffer memory is set up module, is used for setting up in advance the load regulation and control buffer area of polycaryon processor; Said load regulation and control buffer area is used to store the ID of each processor core, the load performance grade of each processor core and the performance power consumption ratio of each processor core, and each processor core sorts than extremely hanging down from height according to the performance power consumption;
    The initializing variable definition module is used for three system initialization variablees of predefine: head pointer, tail pointer and energy consumption key word; Said head pointer and said tail pointer are in order to the said load regulation and control of index buffer area, and said energy consumption key word is supplied with and the loading demand situation in order to the electric energy of indicating the current regenerative resource of said polycaryon processor; At any one constantly, said head pointer points to and satisfies condition: (a) grade of load of a certain processor core does not reach the highest; (b) this processor core is that all satisfy in the processor core of (a) conditions the performance power consumption than the highest; At any one constantly, said tail pointer points to and satisfies condition: (c) not dormancy of a certain processor core; (d) this processor core is that all satisfy in the processor core of (c) conditions the performance power consumption than minimum;
    Detection module is used for inspection energy consumption key word behind system initialization;
    Judge module is used for judging according to check result whether sufficient the electric energy of regenerative resource is supplied with;
    Adjusting module is used for judging the electric energy of said regenerative resource when said judge module and supplies with when sufficient, reads current head pointer processor core pointed, judges then whether this processor core reaches its high capacity grade; If reach high capacity grade; Judge then whether said current head pointer points to the end of said load regulation and control buffer area; If do not point to the end, then the sensing with said current head pointer moves down one, and then reads current head pointer processor core pointed and judge next time; If this control cycle is then finished at the sensing end; If do not reach high capacity grade, the ID that then exports said current head pointer processor core pointed is adjusted the grade of load of the pairing processor core of this ID by said power source management controller to outside power source management controller; And when said judge module is judged the electric energy undersupply of said regenerative resource, read current tail pointer processor core pointed, judge then whether this processor core reaches its minimum load grade; If reach the minimum load grade; Judge then whether said current tail pointer points to the top of said load regulation and control buffer area; If do not point to the top, then move one in the sensing with said current tail pointer, and then read current tail pointer processor core pointed and judge next time; If this control cycle is then finished on the sensing top; If do not reach the minimum load grade, the ID that then exports said current tail pointer processor core pointed is adjusted the grade of load of the pairing processor core of this ID by said power source management controller to outside power source management controller;
    Update module is used to receive said power source management controller in the adjustment result who adjusts the back feedback, upgrades said load regulation and control buffer area according to said adjustment result.
  4. 4. the performance power consumption of the computing machine based on regenerative resource according to claim 3 is characterized in that than optimization means said update module comprises:
    Receive submodule, be used to receive said power source management controller in the adjustment result who adjusts the back feedback;
    The performance power consumption is used for upgrading according to said adjustment result the performance power consumption ratio of each processor core than updating submodule;
    The ordering updating submodule is used for the processor core after upgrading according to the rearrangement from high to low of performance power consumption ratio.
CN201210019554.7A 2012-01-20 2012-01-20 Performance per watt optimization method and device for computer based on renewable energy sources CN102622078B (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1784646A (en) * 2003-05-07 2006-06-07 苹果电脑公司 Method and apparatus for dynamic power management in a processor system
CN1993669A (en) * 2004-07-27 2007-07-04 英特尔公司 Power management coordination in multi-core processors
US20080320213A1 (en) * 2007-06-25 2008-12-25 Kabushiki Kaisha Toshiba Control device of nonvolatile memory and control method thereof, and storage device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1784646A (en) * 2003-05-07 2006-06-07 苹果电脑公司 Method and apparatus for dynamic power management in a processor system
CN1993669A (en) * 2004-07-27 2007-07-04 英特尔公司 Power management coordination in multi-core processors
US20080320213A1 (en) * 2007-06-25 2008-12-25 Kabushiki Kaisha Toshiba Control device of nonvolatile memory and control method thereof, and storage device

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