CN105607729B - Adapting to image subsystem power and performance management - Google Patents

Adapting to image subsystem power and performance management Download PDF

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Publication number
CN105607729B
CN105607729B CN201610084188.1A CN201610084188A CN105607729B CN 105607729 B CN105607729 B CN 105607729B CN 201610084188 A CN201610084188 A CN 201610084188A CN 105607729 B CN105607729 B CN 105607729B
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performance
current
subsystem
power
value
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CN105607729A (en
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N·S·杰干纳坦
R·普尔纳查得兰
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Intel Corp
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Intel Corp
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
    • 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
    • G06F1/3215—Monitoring of peripheral devices
    • G06F1/3218—Monitoring of peripheral devices of display devices
    • 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
    • G06F1/325—Power saving in peripheral device
    • G06F1/3265—Power saving in display device
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
    • G09G2330/02—Details of power systems and of start or stop of display operation
    • G09G2330/021—Power management, e.g. power saving
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
    • G09G2330/02—Details of power systems and of start or stop of display operation
    • G09G2330/021—Power management, e.g. power saving
    • G09G2330/022—Power management, e.g. power saving in absence of operation, e.g. no data being entered during a predetermined time
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2340/00—Aspects of display data processing
    • G09G2340/04—Changes in size, position or resolution of an image
    • G09G2340/0407—Resolution change, inclusive of the use of different resolutions for different screen areas

Abstract

This application discloses a kind of adapting to image subsystem power and performance managements.It discloses for including the example for adjusting the adaptive graphical subsystem power and performance management of one or more power managements or attribute of performance for the graphics subsystem of computing platform compared with target quality metric based on current quality metric.Current and target service quality (QoS) value of at least part of power management and performance based on computing platform determines current and target quality metric respectively.

Description

Adapting to image subsystem power and performance management
Present patent application be international filing date be on December 9th, 2011, National Phase in China application No. is 201180075356.6, the divisional application of the application for a patent for invention of entitled " adapting to image subsystem power and performance management ".
Background technique
The graphics subsystem for executing image procossing for computing platform may consume a large amount of power.In finite quantity available power The mobile computing platform operated under (for example, power of battery) is usually the power management that these graphics subsystems use static defining Technology.The power management techniques of static defining can be the trial of balance power saving and computing platform performance.
Detailed description of the invention
Fig. 1 shows example calculations platform.
Fig. 2 shows the block diagrams of the exemplary architecture for graphics subsystem QoS manager.
Fig. 3 shows example timing.
Fig. 4 shows the sample table for current power management qos value.
Fig. 5 shows the sample table for current performance qos value.
Fig. 6 shows the sample table for target power management qos value.
Fig. 7 shows the sample table for target capabilities qos value.
Fig. 8 shows the flow chart of the exemplary operations for adaptive graphical subsystem power and performance management.
Fig. 9 shows example system.
Figure 10 shows example apparatus.
Specific embodiment
As conceived in the present invention, the power management techniques of static defining can be the saving of balance power and computing platform The trial of performance.In some instances, the power management techniques of these static definings may be to application state or operation mode not It is sensitive.Moreover, the power management techniques of static defining may lack adaptation (for example, coming self-application and/or user) Service Quality (QoS) constraint is measured to extend battery life and maintain the ability of acceptable performance.
If one or more graphics subsystems idle fixed a period of time, the power management of current static defining The one or more graphics subsystem can be converted into lower power state by technology.Being converted into lower power state may be not Consider the current mode of platform, using occurring when workload/requirement, user's qos requirement.Do not knowing from work It jumps in the case of the wake-up next time of lower power state, a period of time of the fixation can lead to low power state (for example, sleeping Dormancy state) arrive higher-power state (for example, active state) frequent transitions.This frequent transitions may be due to associated Context saves and restores and performance is caused to decline, and since transition period expense leads to power loss.Moreover, the function of static defining Rate administrative skill is possible to not enough flexibly to adapt to radical, equipment-specific power and performance management and user/application QoS constraint.
In some instances, the technology for adaptive graphical subsystem power and performance management is realized.For these Example can receive current power management service quality (QoS) value and current performance qos value.Current power management and performance QoS Value can be associated with first operator scheme.Then it is current to determine that current power management and performance qos value can be at least partially based on Quality metric.It also can receive target power management qos value and target capabilities qos value.Target power management and performance qos value can It is associated with second operator scheme.Target power management and performance qos value can also be at least partially based on to determine aimed quality degree Amount.The one or more power managements or attribute of performance of one or more graphics subsystems of computing platform can be at least partially based on Current quality metric adjusts compared with target quality metric.For example, adjustable free time time-out window.Idle time-out window example Such as may include after executing order, before being converted into low power state, one or more graphics subsystems are maintained at active Time interval in state.
Fig. 1 shows example calculations platform 100.As shown in fig. 1, computing platform 100 includes operating system 110, application 130-1 to 130-n, platform power management 140, memory 150, communication (comm) 160, central processing unit (CPU) 170, peace Full engine 180 and secure storage 190.Moreover, as shown in fig. 1, computing platform 100 includes display controller 120-1, camera 120-2 ,/3 dimension (2D/3D) figure 120-3 of 2 dimension, Video coding 120-4 and video decode 120-5.In some instances, it shows Show controller 120-1, camera 120-2,2D/3D figure 120-3, Video coding 120-4 and video decoding 120-5 or can divide Open or can be identified as together the graphics subsystem of computing platform 100.But the present invention is not limited to include five shown in Fig. 1 The graphics subsystem of a graphics subsystem.
According to some examples, each element for the computing platform 100 that interconnects and/or be communicatively coupled also is depicted in Fig. 1 Several interfaces.For example, QoS user interface 115 and interface 125 allow user's (not shown) and/or apply 130-1 to 130- N is coupled to operating system 110.Moreover, interface 135 allows each element communication of platform power management 140 or operating system 110 It is coupled to each element of computing platform 100, one or more in such as CPU 170, memory 150 or above-mentioned graphics subsystem It is a.The hardware and/or firmware components that interface 154 for example allows computing platform 100 are for example via system bus or other types Internal communication channel be coupled in communication.
In some instances, as shown in fig. 1, operating system 110 may include device driver 112 and graphics subsystem QoS manager 114.Device driver 112 and graphics subsystem QoS manager 114 may include being configured to and computing platform The logic and/or feature of 100 other elements (for example, via interface 135) interaction.Moreover, as shown in Figure 1, graphics subsystem QoS manager 114 can also be interacted with device driver 112 or platform management management 140.
According to some examples, device driver 112 may include one or more graphics subsystem drivers, one or Multiple graphics subsystem drivers and display controller 120-1, camera 120-2,2D/3D figure 120-3, Video coding 120- 4 or video decoding 120-5 is interactive.To these examples, device driver 112 can be provided to graphics subsystem QoS manager 114 Current performance qos value associated with one or more of these graphics subsystems.It is described in more detail below, current performance Qos value can be compared with target capabilities qos value, then can be used for adjusting one or more for one or more graphics subsystems A power management or attribute of performance.
In some instances, platform power management 140 may include the logic of the System power information of Aggregation computation platform 100 And/or feature.For example, platform power management 140 can Aggregation computation platform 100 system status information, such as CPU be in live Whether jump or sleep power rating or battery (not shown) have sufficient electric power.Platform power management 140 for example can be to Graphics subsystem QoS manager 114 provides current power management value associated with this assembled system status information.Such as Under it is described in more detail, can will from current power manage qos value determine current quality metric (QM) with from target power manage QoS The target QM of value determination is compared.Then one or more function of one or more graphics subsystems can be adjusted based on comparing Rate management or attribute of performance.
Although not shown in Fig. 1, in some instances, graphics subsystem QoS manager 114 can be included in equipment In the logic and/or feature of driver 112.To these examples, the graphics subsystem QoS in device driver 112 is managed Device 114 can be interacted with platform power management 140 to obtain current power management qos value.Moreover, graphics subsystem QoS manager 114 can cooperate with device driver 112, to obtain current performance from one or more graphics subsystems of computing platform 100 Qos value.
According to some examples, as shown in fig. 1, platform power management 140 can be implemented as being configured to or individual tubes Reason power is cooperated with operating system 110 to manage the logic of the power of computing platform 100 and/or feature.In other examples In, although not shown in FIG. 1, platform power management 140 can be included as the software mould operated in operating system 110 Block.
According to some examples, memory 150 can be implemented as being deposited by the volatibility that each element of computing platform 100 utilizes Storage device (for example, as memory chip).To these realizations, memory 150 be may include but be not limited to：Arbitrary access is deposited Reservoir (RAM), dynamic random access memory (DRAM) or static state RAM (SRAM).
In some instances, communication 160 may include enable computing platform 100 with it is long-range for computing platform 100 Element-external communication logic and/or feature.These logics and/or feature may include via one or more wired or wireless Network communicates on wired and or wireless communications channel.In the communication across such network, communication 160 can be according to any The applicable communication of the one or more of version or networking standard operate.
According to some examples, CPU 170 can be implemented as the central processing unit of computing platform 100.CPU 170 may include With one or more processors core or with one of any number of processor containing any number of processor core or Multiple processing units.CPU 170 may include any type of processing unit, such as multiplied unit, reduced instruction set computing Machine (RISC), the processor with assembly line, Complex Instruction Set Computer (CISC), digital signal processor (DSP) etc..
In some instances, security engine 180 allows or promotes the safety operation in computing platform 100.Show some In example, security engine 180 can manage or control the access to secure storage 190.Secure storage 190 for example may include can be only by pacifying The logic of full engine 180 and/or the encryption information of feature decryption.
As described above, interface 154 allows the hardware of computing platform 100 and/or firmware components to be communicatively coupled together.Root According to some examples, communication channel interface 154 can be operated according to one or more agreements or standard.These agreements or standard can be Description in one or more professional standards (including offspring and modification), such as with internal integrated circuit (I2C) specification, system administration Quick (PCI Express) specification, general of bus (SMBus) specification, accelerated graphics port (AGP) specification, peripheral component interconnection Universal serial bus (USB) specification or the associated professional standard of Serial Advanced Technology Attachment (SATA) specification.But the present invention is not only It is limited to above-mentioned standard and associated agreement.
In some instances, computing platform 100 can be at least part of mobile computing platform.Mobile computing device Example may include personal computer (PC), laptop computer, super mobile computer, tablet computer, touch tablet, portable computing Machine, handheld computer, palmtop computer, personal digital assistant (PDA), cellular phone, combination cellular telephone/PDA, TV Machine, smart machine (such as smart phone, intelligent flat computer or intelligent TV set), mobile internet device (MID), message Transceiver, data communications equipment etc..
Fig. 2 shows the block diagrams of the exemplary architecture of graphics subsystem QoS manager 114.As above flat to the calculating of Fig. 1 Described in platform 100, operating system 110 may include graphics subsystem QoS manager 114.In some instances, graphics subsystem QoS Manager 114 include be configured to or be arranged to provide adaptive graphical subsystem power and performance management feature and/or Logic.
The example graph subsystem QoS manager 114 of Fig. 2 includes QoS logic 210, control logic 220,230 and of memory Input/output (I/O) interface 240.As shown in Figure 2, QoS logic 210 can be coupled into control logic 220,230 and of memory I/O interface 240.QoS logic 210 may include pattern feature 211, receive feature 213, current signature 215, target signature 217 or Adjust one or more of feature 219 or its any reasonable combination.
In some instances, the element drawn in Fig. 2 is configured to support or allow figure as described in the present invention System QoS manager 114.Given graphics subsystem QoS manager 114 may include some, complete in element shown in Fig. 2 Portion or element more more than shown element.For example, QoS logic 210 and control logic 220 can separately or cooperatively indicate to realize figure The various logical devices or executable content of the feature of subsystem QoS manager 114.Example logic device may include micro- Processor, microcontroller, processing circuit, field programmable gate array (FPGA), specific integrated circuit (ASIC), isolation thread or One or more of the core of multicore/or multithreaded microprocessor, or combinations thereof.
In some instances, as shown in Figure 2, QoS logic 210 includes pattern feature 211, receives feature 213, is current special Sign 215, target signature 217 or adjustment feature 219.QoS logic 210 can be configured to use one or more of these features To execute operation.For example, pattern feature 211 can determine, for example whether have mode change in response to one of computing platform 100 or The change of the usage type of multiple graphics subsystems and occur.It is then receivable related to different operation modes to receive feature 213 Current and target power management and the performance qos value of connection.Described in more detail below, current signature 215 can be worked as based on what is received Preceding power management and performance qos value determine current quality metric (QM).Described in more detail below, target signature 217 can be based on The target power management that receives and performance qos value determine target QM.Then adjustment feature 219 can be based on current QM and target The comparison of QM to adjust one or more power managements or attribute of performance for one or more graphics subsystems.
In some instances, control logic 220 can be configured to total gymnastics of control graphics subsystem QoS manager 114 Make.As described above, control logic 220 can indicate any one of various logic device or executable content.For example, control is patrolled Volumes 220 can be configured to executable content or instruction binding operation, to realize the control to graphics subsystem QoS manager 114 System.In some replacement examples, the feature and function of control logic 220 can be realized in QoS logic 210.Shown according to some Example, memory 230 can be arranged to storage executable content or instruction so that control logic 220 and/or QoS logic 210 use. Executable content or instruction can be used for the feature or element of realizing or activate graphics subsystem QoS manager 114.As follows more in detail Thin described, memory 230 may also be arranged at least extraordinary maintenance and determining current and target QM and based on current QM and mesh The comparison for marking QM is that one or more graphics subsystems adjust one or more power managements or the associated information of attribute of performance.
Memory 230 may include various storage mediums, including but not limited to volatile memory, non-volatile Memory, flash memory, programmable variable or state, RAM, ROM or other either statically or dynamically one or more of storage medium.
In some instances, I/O interface 240 can be via the calculating drawn in graphics subsystem QoS manager 114 and Fig. 1 Local communication medium or link between each element of platform 100 provide interface.I/O interface 240 may include according to various logical Believe agreement operation so as in local communication medium or link (for example, I2C, SMBus, AGP, PCI Express, USB, SATA etc.) The interface of upper communication.
Fig. 3 shows example timing 300.In some instances, graphics subsystem QoS pipe described in as shown in Figure 1 or Fig. 2 Reason device 114 may include the logic for causing to be adjusted the time-out window 312,322,332 and 342 during timing 300 and/or spy Sign.To these examples, mode 310,320,330 and 340 can indicate the figure subsystem of computing platform 100 and/or computing platform 100 Change of the operation mode of system in 300 period of timing.The change of these operation modes may be in response to one or more figure Change, application request (carrying out self-application 130-1), user's request, the expired or calculating of time interval of the usage type of system are flat The initialization of platform 100.It is appreciated that each embodiment be not limited to about what can this five of change of trigger action mode show Example, to given realization, any number of triggering factors can trigger the change of mode.
According to some examples, as shown in Figure 3, mode 310 may be in response to initialize.To these examples, computing platform 100 It can be powered down, power-down state can indicate the first operator scheme of computing platform 100.To these examples, mode 310 is so as to indicating Second operator scheme.Moreover, mode 320,330 and 340 can indicate subsequent operation mode.
In some instances, graphics subsystem QoS manager 114 may include receiving or obtaining related to first operator scheme The current power management of connection and the logic and/or feature of performance qos value, first operator scheme are computing platform 100 as described above Power-down state.To these examples, current power management associated with first mode and performance qos value are based on default power Management and performance qos value.Moreover, graphics subsystem QoS manager 114 may include that reception or acquisition can bases to second mode In the target power management of the usage type of one or more graphics subsystems of computing platform 100 and the logic of performance qos value And/or feature.These usage types may include but be not limited to：To web-browsing, video playback, interactive entertainment or picture catching Support.
According to some examples, graphics subsystem QoS manager 114 may include being worked as in response to mode 320 based on acquired Preceding and target qos value determines current and target QM logic and/or feature.Then graphics subsystem QoS manager 114 can be based on Current and target QM comparison to adjust one or more power managements for one or more graphics subsystems of computing platform 100 And attribute of performance.The one or more power management and attribute of performance may include executing in order (for example, to support to use class Type) after, one or more graphics subsystems are maintained at the free time time-out in active state before being converted into low power state Interval.
In some instances, one or more power managements associated with current/default power management and performance qos value 50 milliseconds (ms) of idle time-out window can be indicated with attribute of performance.The usage type of mode 320 for example can be web-browsing. The idle time-out window of 50ms can be the acceptable power management and attribute of performance of this usage type because active and It can pass through the relatively long period between idle state.Graphics subsystem QoS manager 114 can be such as the time-out window in Fig. 3 Shown in 312, idle time-out window 50ms is kept.
According to some examples, in mode 320, usage type can be changed to be used for the graphics intensive of such as interactive entertainment. Graphics subsystem QoS manager 114 can obtain one group of new current and target power management and performance qos value.The mesh newly obtained Mark power management and performance qos value can indicate the idle time-out window of 100ms.Longer free time time-out can be due to interactive entertainment Graphics intensive use, it is this using may make the graphics subsystem of computing platform to execute order paroxysm, and the sky between paroxysm It is relatively short between idle.To these examples, graphics subsystem QoS manager 114 can be adjusted as shown in the time-out window 322 in Fig. 3 Whole free time time-out window.Longer free time time-out window 322 can be such that graphics subsystem is maintained between order paroxysm to enliven shape Without powering on simultaneously power down between paroxysm in state.
In some instances, in mode 330, usage type can become web-browsing again.Graphics subsystem QoS manager 114 can Obtain another group of new current and target power management and performance qos value.As described above, the idle time-out window of 50ms can be The acceptable power and attribute of performance of this usage type.Graphics subsystem QoS manager 114 can be such as the overtime window in Fig. 3 Shown in mouth 332, idle time-out window is adjusted into back 50ms.
According to some examples, in mode 340, usage type can become another usage type, such as picture catching again.Figure Shape subsystem QoS manager 114 can obtain another group of new current and target power management and performance qos value.The mesh newly obtained Mark power management and performance qos value can indicate the idle time-out window of 25ms.Shorter idle time-out may be due to catching with image It catches and is used using associated less graphics intensive.Picture catching, which uses, may make the graphics subsystem of computing platform to execute life The short paroxysm enabled, the relatively long period being followed by between the paroxysm next time of order.Thus, for example, about 25ms Relatively short free time can be the acceptable power management and attribute of performance of this usage type.
In some instances, time-out window 312,322,332 and 342 can also due to power management constrain or based on collect or The movable history of graphics subsystem of the computing platform 100 of compiling is shortened or elongates.For example, computing platform 100 is being prolonged Low battery during the period for the continuously active stretched can lead to shorter free time time-out window, to save power.And And usage history can indicate the idle time-out window of the opposite longer duration when computing platform 100 initializes (for example, mould Formula 310) it is guaranteed.Longer free time time-out window can be flat in calculating in history due to user or application when initialization Uses more to graphics subsystem or bigger is required during the initialization or power-up of platform 100.
Fig. 4 shows the sample table 400 for current power management qos value.In some instances, graphics subsystem QoS Manager 114 may include logic and/or the spy that current power management qos value is received for (for example, from device driver 112) Sign.Then graphics subsystem QoS manager 114 can manage qos value filling or building table 400 based on received current power (for example, via current signature 215).
As shown in Figure 4, table 400 includes independent and average power contrast's performance grading of each power management properties, Each power management properties include the general power management properties of display, figure and video and system power.Current power Management qos value " 3 " can be power management and grade than performance high instruction.Value is that the current power management qos value of " 2 " can indicate Equal grading.Value is that the current power management qos value of " 1 " can indicate that compared with performance, power management grading is lower.
In some instances, current power management qos value can be each setting of the graphics subsystem of computing platform 100 Or the result of operating parameter.Each setting for example can be associated with the usage type of these graphics subsystems.Usage type can wrap It includes but is not limited to：Default use (for example, initialization when establish, may be arranged by device manufacturer), web-browsing use, Video playback uses, interactive entertainment uses or picture catching uses.Each setting can also be associated with system power ability, is Power capability of uniting is the battery capacity that such as can be used for meeting power management demand or target.
According to some examples, as shown in Figure 4, display power management properties may include resolution ratio, brightness, refresh rate and Depth.Display power management properties for example can be with the power management properties phase of the graphics subsystem of display controller 120-1 Association.Resolution ratio, brightness, refresh rate and depth for example can also be with the attributes of the display controlled by display controller 120-1 It is associated.Resolution ratio for example may include pixel resolution.Brightness may include display brightness.Refresh rate may include display refreshing Rate, and depth may include pixel depth or pixel memories size (for example, 24,32 etc.).
In some instances, as shown in Figure 4, figure and video power management properties may include texture, post-processing object, cover Lid graph type, frequency, multiple-copy rate, texture mapping and compression ratio.Figure and video power management properties can be with camera 120- 2, the power management properties of the graphics subsystem of 2D/3D figure 120-3, Video coding 120-4 or video decoding 120-5 are related Connection.For example, texture may include compressed texture format.Post-processing object may include soft rendering or full rendering.Covering graph type can Including or based on coverage diagram or the video based on texture.Frequency may include one or more graphics subsystems (for example, 2D/ 3D figure 120-3) exectorial frequency.Multiple-copy rate may include the multiple-copy rate from source buffer area to destination buffer area (for example, block position is transmitted).Texture mapping may include 3D rendering rendering instruction, and compression ratio may include image can by one or Multiple graphics subsystem (for example, Video coding 120-4 and/or video decode 120-5) codings or decoded compression ratio.
In some instances, as shown in Figure 4, system power attribute may include system mode and battery electric power.System function Rate attribute can be associated with all or part of power management properties for the graphics subsystem that can influence computing platform 100.System State may include the current power state (for example, active, idle, sleep etc.) of computing platform 100.Battery electric power may include that can be used In the system battery electric power powered to graphics subsystem.
In some instances, the management of current power shown in the table 400 of Fig. 4 qos value can be current with computing platform 100 Operation mode is associated.Graphics subsystem QoS manager 114 may include for display, figure and video and system power Qos value is managed based on average current power to be averaged (PM to determine current power managementIt is average) logic and/or feature.For example, from The current PM being worth shown in table 400It is averageIt can be (2.5,2,1.5).Current PMIt is average(2.5,2,1.5) can indicate to show The opposite lower assessment grade (1.5) of the opposite high ratings (2.5) of device attribute, the medium grading (2) of figure and video and system property.
Fig. 5 shows the sample table 500 for current performance qos value.In some instances, graphics subsystem QoS is managed Device 114 may include the logic and/or feature that current performance management qos value is received for (for example, from platform power management 140). Then graphics subsystem QoS manager 114 can manage qos value filling or building 500 (example of table based on received current performance Such as, via current signature 215).
As shown in Figure 5, table 500 includes the independent and average performance comparison power grading of each attribute of performance, each Attribute of performance includes the general performance attribute of display, figure and video, application, user experience and system performance.It is currency It qos value " 3 " can be managed can be performance specific power management and grade high instruction.Current performance management qos value " 2 " can indicate equal Grading.Current performance management qos value " 1 " can indicate that compared with power management, performance management grading is lower.
In some instances, it is similar to current power and manages qos value, current performance management qos value can be computing platform Each setting of 100 graphics subsystem or the result of operating parameter.Each setting can for example make with these graphics subsystems It is associated with type.Each setting can also be associated with system performance ability or constraint, the available processes ability of such as CPU 170 Or in graphics subsystem one or more subsystems available processes ability.
According to some examples, as shown in Figure 5, display performance attribute may include resolution ratio, brightness, refresh rate and depth Degree.Display performance attribute for example can be associated with the power management properties of the graphics subsystem of display controller 120-1.Point Resolution, brightness, refresh rate and depth for example can also be associated with the attribute of display controlled by display controller 120-1. Resolution ratio for example may include pixel resolution.Brightness may include display brightness.Refresh rate may include display refresh rate, and deep Degree may include pixel depth or pixel memories size.
In some instances, as shown in Figure 5, figure and video performance attribute may include texture, post-processing object, coverage diagram Type, frequency, multiple-copy rate, texture mapping and compression ratio.Figure and video performance attribute can scheme with camera 120-2,2D/3D The attribute of performance of the graphics subsystem of shape 120-3, Video coding 120-4 or video decoding 120-5 is associated.For example, texture can Including compressed texture format.Post-processing object may include soft rendering or full rendering.Covering graph type may include or based on covering Lid figure or the video based on texture.Frequency may include the exectorial frequency of one or more graphics subsystems.Multiple-copy rate It may include the multiple-copy rate (for example, block position is transmitted) from source buffer area to destination buffer area.Texture mapping may include 3D rendering The instruction of rendering, and compression ratio may include computing platform 100 one or more graphics subsystems to video carry out coding or Decoded compression ratio.
In some instances, as shown in Figure 5, application performance attribute may include maximum latency.Maximum latency It such as may include when using one or more graphics subsystems of computing platform 100 using tolerable maximum time interval. For example, maximum latency can be arranged to decode 120-5 decoding video using video in application associated with video playback.It is maximum Waiting time for example can ensure that video frame and be decoded with the rate for ensuring corresponding audio frame matching video frame.When relatively short Between the time interval of section can lead to the high ratings of performance, and the relatively long period can lead to lower assessment grade.
According to some examples, as shown in Figure 5, user experience attribute may include peak response.Peak response can for example wrap Include the tolerable maximum time interval of user when using one or more graphics subsystems of computing platform 100.It is handed over for example, playing Peak response can be arranged to render 2D/3D figure by 2D/3D figure 120-3 in the user of mutual formula game, to improve to interactive mode The user experience of game.The time interval of relatively short period can lead to the high ratings of performance comparison power management, and phase It can lead to the lower assessment grade of performance comparison power management to longer time section.
In some instances, as shown in Figure 5, system performance attributes may include system mode.System performance attributes can be with The all or part of attribute of performance that can influence the graphics subsystem of computing platform 100 is associated.System mode for example may include The current power state (for example, active, idle, sleep etc.) of computing platform 100.
In some instances, current performance qos value shown in the table 500 of Fig. 5 can be with the current operation of computing platform 100 Mode is associated.Graphics subsystem QoS manager 114 may include for for display, figure and video, application, user's body It tests and system performance determines that current performance is averaged (PF based on average current performance qos valueIt is average) logic and/or feature.Example Such as, the current PF being worth shown in the table 500It is averageIt can be (2,3,2,3,3).Current PFIt is averageIt (2,3,2,3,3) can be to figure Shape and video, user experience and system performance attributes indicate high ratings, indicate medium grading to display and application attribute.
According to some examples, graphics subsystem QoS manager 114 may include the logic and/or feature of determining current QM.When Preceding QM can be current PMIt is average(2.5,2,1.5) and current PFIt is average(2,3,2,3,3) combination.Combine current PMIt is average(2.5,2, And current PF 1.5)It is average(2,3,2,3,3) a example may include taking to be included in current PMIt is averageValue in (2.5,2,1.5) 2.5,2 and 1.5, these values are averaging to obtain overall current PMIt is average(2).Moreover, being included in current PFIt is averageIn average value 2, it 3,2,3 and 3 can be averaged to obtain overall current PFIt is average(2.6).Overall current PMIt is average(2) and overall current PFIt is average (2.6) it then can be combined to obtain current QM (2,2.6).As described below, current QM (2,2.6) and target QM can be compared Compared with then graphics subsystem QoS manager 114 can adjust one or more power managements or attribute of performance based on comparing It is whole.
Fig. 6 shows the sample table 600 for target power management qos value.In some instances, graphics subsystem QoS Manager 114 may include receiving target function for (for example, from device driver 112, using 130-1 to 130-n or user) The logic and/or feature of rate management qos value.Graphics subsystem QoS manager 114 then can be based on received target power Manage qos value filling or building table 600 (for example, via target signature 217).According to some examples, as shown in Figure 6, table 600 Similar to the table 400 drawn in Fig. 4.Therefore, table 600 includes power management properties similar with table 400.However, each power The grading of management attribute is target grading rather than current ratings.
In some instances, target power management qos value can be each target of the graphics subsystem of computing platform 100 It is arranged or the result of operating parameter.Each target setting for example can be associated with the plan usage type of these graphics subsystems. Plan usage type may include but be not limited to：Web-browsing uses, video playback uses, interactive entertainment uses or picture catching It uses.Each setting can also be associated with system power ability, and system power ability is all to can be used for meeting the pre- of platform 100 in this way The power management demand of phase operation power state or the battery capacity of target.
According to some examples, target power shown in the table 600 of Fig. 6 manages qos value can be with the target of computing platform 100 Operation mode is associated.Graphics subsystem QoS manager 114 may include for for display, figure and video and system Power determines target PM based on average target power management qos valueIt is averageLogic and/or feature.For example, shown in the table 6 The target PM that value obtainsIt is averageIt can be (1,1,1).Target PMIt is average(1,1,1) it can indicate low in target complete power management properties Grading.
Fig. 7 shows the sample table 700 for target capabilities qos value.In some instances, graphics subsystem QoS is managed Device 114 may include receiving target capabilities pipe for (for example, from device driver 112, using 130-1 to 130-n or user) Manage the logic and/or feature of qos value.Graphics subsystem QoS manager 114 then can be based on received target capabilities management Qos value filling or building table 700 (for example, via target signature 217).
According to some examples, as shown in Figure 7, table 700 is similar to the table 500 drawn in Fig. 5.Therefore, table 700 include with The identical attribute of performance of table 500.However, the grading of each attribute of performance is target grading rather than current ratings.
In some instances, target capabilities qos value can be each target setting of the graphics subsystem of computing platform 100 Or the result of operating parameter.Each target setting for example can be associated with the plan usage type of these graphics subsystems.Plan Usage type may include but be not limited to：Web-browsing uses, video playback uses, interactive entertainment uses or picture catching uses. Each setting can also be with application demand (for example, maximum latency), user experience demand (peak response) or such as can use The system performances ability such as reason ability or schedules operations state is associated.
According to some examples, target capabilities qos value shown in the table 700 of Fig. 7 can be with the object run of computing platform 100 Mode is associated.Graphics subsystem QoS manager 114 may include for for display, figure and video, application, user's body It tests and system performance determines target PF based on average target performance qos valueIt is averageLogic and/or feature.For example, from table 700 Shown in the target PF that is worthIt is averageIt can be (3,3,3,3,3).Target PFIt is average(3,3,3,3,3) target complete can be indicated High ratings on energy attribute.
In some instances, graphics subsystem QoS manager 114 may include the logic for determining target QM and/or spy Sign.Target QM can be current PMIt is average(1,1,1) and target PFIt is average(3,3,3,3,3) combination.Composite object PMIt is average(1,1,1) With target PFIt is average(3,3,3,3,3) a example may include taking to be included in target PMIt is averageValue 1,1 and 1 in (1,1,1) is right These values are averaging to obtain overall goal PMIt is average(1).Moreover, being included in target PFIt is averageIn average value 3,3,3,3 and 3 can quilt It is averaging to obtain overall goal PFIt is average(3).Overall goal PMIt is average(1) and overall goal PFIt is average(3) it then can be combined to obtain To target QM (1,3).
According to some examples, graphics subsystem QoS manager 114 may include for by target QM (1,3) and current QM (2, 2.6) it is compared and one or more power managements or attribute of performance is adjusted (for example, special via adjustment based on comparing The logic and/or feature of sign 219).For example, graphics subsystem QoS manager 114 can attempt to shown in adjustment table 400 and 500 One or more power managements or attribute of performance, so that the average value of the average grading of power management and attribute of performance works as change Preceding QM (2,2.6) is to match target QM (1,3).As a result, current QM (2,2.6) becomes current QM (1,3) adjusted.After adjustment Current QM (1,3) now indicate that power management is placed in low overall grading and performance is placed in high overall grading by computing platform. Moreover, current power management adjusted and performance qos value will reflect this change in grading.
Fig. 8 shows the flow chart of the exemplary operations for adaptive graphical subsystem power and performance management.Some In example, each element of computing platform 100 as shown in Figure 1 can be used for illustrating show relevant to the flow chart drawn in Fig. 8 Example operation.Graphics subsystem QoS manager 114 as shown in Figures 1 and 2 may be additionally used for illustrating exemplary operations.But institute The method of stating is not limited to realization or graphics subsystem QoS manager 114 in computing platform 100.Moreover, graphics subsystem QoS is managed It includes each power management and/performance qos value that the logic and/or feature for managing device 114, which can be constructed or be filled as shown in figs. 4-7, Table.However, other types of table can be used also to realize to indicate current and target qos value in exemplary operations.
From decision box 810 is begun to move into, (mode changes？), graphics subsystem QS manager 114 may include being configured to Determine mode changes the logic and/or feature that (for example, via pattern feature 211) whether occurs.In some instances, mode changes Become change, application request, the user's request, time interval in at least part of usage type that may be in response to computing platform 100 Expire or computing platform 100 initialization.Occur if mode changes, process is moved to frame 820.Otherwise, process is mobile To frame 890.
Frame 820 (receiving current power management and performance qos value), graphics subsystem QoS management are moved to from decision box 810 Device 114 may include be configured to receive current power management and performance qos value (for example, via feature 213 is received) logic and/ Or feature.In some instances, current power management and performance qos value can be with the currently used type (examples of computing platform 100 Such as, web-browsing) it is associated.To these examples, graphics subsystem QoS manager 114 further includes based on a received current power Management and the building of performance qos value or the logic and/or feature for filling table (for example, via current signature 215).Table class on format It is similar to shown in Figure 4 and 5 and in above-described table 400 and 500.
It is proceeded to frame 830 (determining current QM) from frame 820, graphics subsystem QoS manager 114 may include being configured to really The logic and/or feature of settled preceding QM (for example, via current signature 215).In some instances, current power management can be based on Current QM is determined with performance qos value.As described in Figure 4 and 5, in some instances, current QM can be mean power above The combination of management and performance qos value.
Frame 840 (receiving target power management and performance qos value), graphics subsystem QoS management are moved to from decision box 830 Device 114 may include be configured to receive target power management and performance qos value (for example, via feature 213 is received) logic and/ Or feature.In some instances, target power management and performance qos value can be with the differences or new use class of computing platform 100 Type (for example, interactive entertainment) is associated.To these examples, graphics subsystem QoS manager 114 further includes for being based on being connect The logic and/or feature of the target power management of receipts and the building of performance qos value or filling table (for example, via target signature 215). Table is similar to shown in Fig. 6 and 7 and in table 600 and 700 described above on format.
It is proceeded to frame 850 (determining target QM) from frame 840, graphics subsystem QoS manager 114 may include being configured to really Set the goal the logic and/or feature of QM (for example, via target signature 215).In some instances, target power management can be based on Target QM is determined with performance qos value.To as described in Fig. 6 and 7, in some instances, target QM can be mean power above The combination of management and performance qos value.
Frame 860 (current QM makes comparisons with target QM) is proceeded to from frame 850, graphics subsystem QoS manager 114 can wrap Include and be configured to make comparisons current QM with target QM the logic and/or feature of (for example, via adjustment feature 219).
(the adjustment of decision box 870 is proceeded to from frame 860？), graphics subsystem QoS manager 114 may include being configured to really Whether the one or more performance managements or attribute of performance for determining one or more graphics subsystems of computing platform 100 need to be adjusted The logic and/or feature of whole (for example, via adjustment feature 219).In some instances, adjustment can be based on current QM and target QM Whether match.If current QM and target QM is not at least substantially matching, which is moved to frame 880.Otherwise, process is moved to Decision box 890.
Frame 880 (adjustment power management or attribute of performance), graphics subsystem QoS manager 114 are moved to from decision box 870 It may include being configured to mismatch based on current QM and target QM and adjust one or more power managements or attribute of performance (example Such as, via adjustment feature 219) logic and/or feature.In some instances, current power management or attribute of performance can be changed, So that the average of the average grading of power management and attribute of performance will make current QM change at least substantially matching target QM.
In some other examples, the idle time-out window of one or more of graphics subsystem of computing platform 100 It can be another power management or attribute of performance being adjusted.To these examples, computing platform 100 can have limitation or about Beam, these limitations or constraint make it difficult to adjust above to power management described in table 400 and 500 or attribute of performance so that working as At least substantially matching target QM of preceding QM.Idle time-out window can be adjusted to the shorter period, to improve power management qos value And reduce performance qos value.Alternatively, idle time-out window can be extended to reduce power management qos value and improve performance power pipe Manage qos value.
890 (power down of decision box is moved to from frame 880？), graphics subsystem QoS manager 114 may include being configured to count Calculate platform 100 whether the logic and/or feature of power down (for example, via current signature 215).If 100 power down of computing platform, Process terminates.Otherwise, process is moved back into decision box 810.
Fig. 9 shows example system 900.In some implementations, system 900 can be media system, but system 900 is unlimited In this context.For example, system 900 is desirably integrated into personal computer (PC), laptop computer, super mobile computer, puts down Plate computer, touch tablet, portable computer, handheld computer, palm PC, personal digital assistant (PDA), cellular phone, Cellular phone/PDA combination, smart machine (for example, smart phone, Intelligent flat computer or intelligent TV set), moves television set Dynamic internet equipment (MID), Messaging Devices, data communications equipment etc..
According to some examples, system 900 includes the platform 902 for being coupled to display 920.Platform 902 can be out of such as Hold the content device or other similar content source reception content of service equipment 930 or content delivery equipment 940 etc.It can be used Navigation controller 950 including one or more navigation characteristics is interacted with such as platform 902 and/or display 920.These groups Each of part will be described in more detail below.
In some instances, platform 902 may include chipset 905, processor 910, memory 912, storage 914, figure Subsystem 915, using 916, and/or any combination of radio device 918.Chipset 905 can be in processor 910, storage Device 912 stores 914, graphics subsystem 915, is in communication with each other using offer between 916 and/or radio device 918.For example, core Piece group 905 may include the storage adapter (not describing) that can be in communication with each other with storage 914.
Processor 910 can be implemented as at Complex Instruction Set Computer (CISC) or Reduced Instruction Set Computer (RISC) Manage device, x86 instruction set compatible processor, multicore or any other microprocessor or central processing unit (CPU).Show some In example, processor 910 may include dual core processor, double-core move processor etc..
Memory 912 can be implemented as volatile memory devices, such as, but not limited to RAM, DRAM or SRAM.
Storage 914 can be implemented as non-volatile memory device, such as, but be not limited only to, disc driver, disc drives Device, tape drive, internal storage device, attached storage device, flash memory, battery powered SDRAM (synchronous dram) and/or net The addressable storage equipment of network.In some instances, storage 914 may include for improving the storage for being directed to valuable Digital Media The technology of (such as when comprising multiple hard disk drivers) is protected in performance enhancement.
Graphics subsystem 915 can execute processing to the image of such as static image or video etc, for display.It is similar to The graphics subsystem described in Fig. 1 above, graphics subsystem 915 may include being used for example as graphics processing unit (GPU) or vision The processor of processing unit (VPU).Analog or digital interface can be used to be communicatively coupled graphics subsystem 915 and display Device 920.It is adapted to for example, interface can be high-definition media interface (HDMI), display port, radio HDMI and/or wireless HD Any one of technology.To some examples, graphics subsystem 915 can be integrated into processor 910 or chipset 905. Graphics subsystem 915 is also possible to be communicatively coupled to the stand-alone card (for example, discrete graphics subsystem) of chipset 905.
Figure described herein and/or video processing technique can be realized with various hardware structures.For example, figure And/or video capability can integrate in chipset.Alternatively, individual figure and/or video processor can be used.As Another example, figure and/or video capability can be realized by general processor (including multi-core processor).Show another In example, function can be realized in consumption electronic product.
Radio device 918 may include be able to use various suitable wireless communication technique transmission and reception signal one A or multiple radio devices.Such technology can be related to the communication across one or more wireless networks.Example wireless network Including but not limited to WLAN (WLAN), wireless personal area network (WPAN), wireless MAN (WMAN), cellular network and Satellite network.In the communication across such network, radio device 918 can be applicable according to the one or more of any version Standard operate.
In some examples, display 920 may include any television set type monitor or display.For example, display Device 920 may include the device and/or television set of computer display screen, touch-screen display, video-frequency monitor, similar television set. Display 920 can be digital and/or simulation.To some examples, display 920 can be holographic display device.Equally, it shows Device 920, which can also be, can receive the transparent surface visually projected.Such projection can convey various forms of information, image And/or object.For example, such projection can be the vision covering of reality (MAR) application for mobile enhancing.At one or Under the control of multiple software applications 916, platform 902 can show user interface 922 on display 920.
According to some examples, content services devices 930 can be held in the palm by any country, international and/or independent service Pipe, and it is possible thereby to for example accessed by internet by platform 902.Content services devices 930 may be coupled to platform 902 And/or display 920.Platform 902 and/or content services devices 930 may be coupled to network 960 with travel to and fro between network 960 into Row communication (for example, send and/or receive) media information.Content delivery equipment 940 is also coupled to platform 902 and/or shows Show device 920.
In some instances, content services devices 930 may include cable television box, personal computer, network, phone, It enables the equipment of internet or the electric appliance of digital information and/or content can be delivered, and can exist by network 960 or directly Any other for uni-directionally or bidirectionally transmitting content between content supplier and platform 902 and/or display 920 is similar Equipment.It is appreciated that any one of component in system 900 and content supplier's list can be travelled to and fro between by network 960 To ground and/or bidirectionally transmit content.The example of content may include any media information, including, for example, video, music, doctor And game information etc..
930 reception content of content services devices, such as cable television program, including media information, digital information and/or its His content.The example of content supplier may include any wired or satellite television or radio or internet content provider. Provided example is not intended to be limited to the scope of the present invention.
In some instances, platform 902 can be controlled from having the navigation controller 950 of one or more navigation characteristics to receive Signal processed.The navigation characteristic of controller 950 can be used to for example interact with user interface 922.According to some examples, lead Route controller 950 can be indicating equipment, the indicating equipment can be allow user into computer the input space (for example, even Continuous and multidimensional) data computer hardware component (specifically, human interface device).Such as graphic user interface (GUI), electricity Many systems depending on machine and monitor etc are allowed user to be controlled using physical gesture and provide number to computer or television set According to.
It can be by pointer, cursor, focus ring, or other visual detectors of display over the display, in display (example Such as, display 920) on echo controller 950 navigation characteristic movement.For example, being located under the control of software application 916 Navigation characteristic on navigation controller 950 can be for example mapped to the virtual navigation feature shown in user interface 922.At certain In a little embodiments, controller 950 can not be individual component, and be integrated into platform 902 and/or display 920.So It and the present disclosure is not limited to these elements or is the situation shown in controller 950.
According to some examples, driver (not shown) may include allowing user to touch after initial guide when enabled Touch the technology for the platform 902 that button is opened and closed immediately such as television set.Programmed logic can permit platform 902 when platform quilt To media filter or other content service equipment 930 or 940 streaming content of content delivery equipment when " closing ".In addition, chip Group 905 can also include, for example, hardware for 7.1 surround sound audio of 5.1 surround sound audios and/or fine definition and/or soft Part is supported.Driver may include the graphics driver of integrated graphic platform.To some examples, graphics driver can To include peripheral component interconnection (PCI) Express graphics card.
In each example, any one or more of component shown in system 900 can be integrated.For example, Platform 902 and content services devices 930 can be integrated or platform 902 and content delivery equipment 940 can be it is integrated , alternatively, for example, platform 902, content services devices 930 and content delivery equipment 940 can be it is integrated.Show each In example, platform 902 and display 920 can be integrated unit.For example, display 920 and content services devices 930 can be collection At or display 920 and content delivery equipment 940 can be it is integrated.These examples are not intended to be limited to the present invention.
In each example, system 900 can be implemented as the combination of wireless system, wired system or both.It is being implemented When for wireless system, system 900 may include the component and interface suitable for communicate by wireless shared media, such as one or more Antenna, transmitter, receiver, transceiver, amplifier, filter, control logic etc..The example of wireless shared media can wrap Include certain parts etc. of the wireless frequency spectrum of such as RF spectrum etc.When implemented as a wired system, system 900 may include Suitable for the component and interface communicated by wired communication media, I/O is adapted to by such as input/output (I/O) adapter Physical connector that device is connected with corresponding wired communication media, network interface card (NIC), optical disc controller, Video Controller, Audio Controller etc..The example of wired communication media may include electric wire, cable, plain conductor, printed circuit board (PCB), Backboard, exchange optical fiber, semiconductor material, twisted pair, coaxial cable, optical fiber etc..
Platform 902 can establish one or more logics or physical channel to transmit information.Information may include media letter Breath and control information.Media information can refer to any data for the content for indicating significant to user.The example of content may include From voice dialogue, video conference, streamed video, Email (" email ") message, voice mail message, alphanumeric The data of symbol, figure, image, video, text etc..When data from voice dialogue can be such as voice messaging, silence Between section, ambient noise, comfort noise, tone etc..Control information also refer to indicate the order significant to automated system, Any data of instruction or control word.For example, control information can be used for route media information in systems, or instruction node with pre- Determine mode and handles media information.However, above-mentioned example is not limited to shown in Fig. 9 or the element or context of description.
Figure 10 shows example apparatus 100.As described above, system 900 can behave as different physical fashion or shape because Son.Figure 10 shows the example that can wherein embody the small form factor equipment 1000 of system 900.In some instances, equipment 1000 It can be implemented as a part with the mobile computing device of wireless capability.Mobile computing device can refer to processing system With any equipment of mobile power source (such as, for example, one or more battery).
As described above, the example of mobile computing device may include personal computer (PC), laptop computer, super mobile computing Machine, tablet computer, touch tablet, portable computer, handheld computer, palmtop computer, personal digital assistant (PDA), Cellular phone, combination cellular telephone/PDA, television set, smart machine (such as smart phone, intelligent flat computer or intelligence Television set), mobile internet device (MID), hair messaging device, data communications equipment etc..
The example of mobile computing device can also include the computer for being configured as being worn by people, such as wrist computer, hand Refer to computer, ring computer, eyeglass computer, belt computer, armband computer, footwear computer, clothing computers and its His wearable computer.According to some examples, mobile computing device can be implemented as being able to carry out computer application and language The smart phone of sound communication and/or data communication.It is set although can use as the mobile computing that example implementation is smart phone It is standby to describe some examples, however, it will be understood that other wireless mobiles, which also can be used, in other examples calculates equipment to realize.Respectively Example is not limited to the context.
As shown in Figure 10, equipment 1000 may include shell 1002, display 1004, input/output (I/O) equipment 1006 And antenna 1008.Equipment 1000 may also include navigation characteristic 1012.Display 1004 may include being suitable for mobile computing device For showing any suitable display unit of information.I/O equipment 1006 may include for inputting information to mobile computing device Any suitable I/O equipment.The example of I/O equipment 1006 may include alphanumeric keyboard, numeric keypad, touch tablet, defeated Enter key, button, switch, rocker switch, microphone, loudspeaker, speech recognition apparatus and software etc..Information can also pass through Microphone is input in equipment 1000.To some examples, speech recognition apparatus can make such information digitalization.But the present invention is not It is limited to the context.
The combination of hardware element, software element or both can be used to realize in each example.The example of hardware element can wrap Include processor, microprocessor, circuit, circuit element (for example, transistor, resistor, capacitor, inductor etc.), integrated electricity Road, specific integrated circuit (ASIC), programmable logic device (PLD), digital signal processor (DSP), field-programmable gate array Arrange (FPGA), logic gate, register, semiconductor devices, chip, microchip, chipset etc..The example of software may include software Component, application, computer program, application program, system program, machine program, operating system software, middleware, is consolidated program Part, software module, routine, subroutine, function, method, process, software interface, application programming interfaces (API), instruction set, calculating Code, computer code, code segment, computer code segments, word, value, symbol or any combination thereof.Judge to make another example is no Realized with hardware element or software element can according to any number of factor different, all meters as desired of these factors Calculate rate, power level, thermal capacitance limit, process cycle budget, input data rate, output data rate, memory resource, data Bus speed and other designs or performance constraints.
At least one exemplary one or more aspects can pass through representative finger stored on a machine readable medium It enables to realize, instruction indicates the various logic in processor, and instruct makes machine manufacture execute this place when being read by machine retouches The logic for the technology stated.Such expression of referred to as " IP kernel " can store in tangible machine readable media, and provide To various clients or production facility, to be loaded into the manufacture machine of actual manufacture logic or processor.
The combination of hardware elements, software elements or both can be used to realize in each example.In some instances, hardware is wanted Element may include equipment, component, processor, microprocessor, circuit, circuit element (such as transistor, resistor, capacitor, inductance Device etc.), it is integrated circuit, specific integrated circuit (ASIC), programmable logic device (PLD), digital signal processor (DSP), existing Field programmable gate array (FPGA), memory cell, logic gate, register, semiconductor devices, chip, microchip, chipset etc. Deng.In some instances, the example of software elements may include component software, program, application, computer program, application program, be System program, machine program, operating system software, middleware, firmware, software module, routine, subroutine, function, method, program, Software interface, application programming interfaces (API), instruction set, calculation code, computer code, code segment, computer code segments, word, Value, symbol or their any combination.As needed for given realize, certain example is to utilize hardware element and/or software element Can be different according to any number of factor to realize, these factors such as required computation rate, power level, thermal capacitance limit, place The budget of reason circulation, input data rate, output data rate, memory resource, data bus speed and other designs or property It can constraint.
Some examples may include product.Product may include the non-transitory storage media for storing logic.In some instances, non- Transient state storage medium may include the computer readable storage medium that can store one or more types of electronic data, including easy It is the property lost memory or nonvolatile memory, removable or non-removable memory, erasable or non-erasable memory, writeable or can Rewrite memory etc..In some instances, logic may include various software elements, such as component software, program, application, calculating Machine program, application program, system program, machine program, operating system software, middleware, firmware, software module, routine, sub- example Journey, function, method, process, software interface, application programming interfaces (API), instruction set, calculation code, computer code, code Section, computer code segments, word, value, symbol or their any combination.
According to some examples, product may include the non-transitory storage media of storage or maintenance instruction, and instruction is when by computer Or computer or system is set to execute method and/or operation according to the example when system execution.Instruction may include any appropriate class The code of type, source code, coding and decoding, interpre(ta)tive code, executable code, quiet code, dynamic code etc..Instruction can be according to predefined meter Calculation machine language, mode or grammer are realized to indicate that computer executes specific function.Instruction can be used any suitable advanced, low Grade, object-oriented, vision, compiling or and/or interpreted programming language realize.
Some examples can be described with statement " in one example " and " example " and its derivative.These arts Language refers to that a particular feature, structure, or characteristic for combining example description is included at least one example.In this specification In different location there is phrase " in one example " and be not necessarily all referring to the same example.
Some examples can be described with statement " coupling " and " connection " and its derivative.These terms might not It is intended as mutual synonym.For example, the description using term " connection " and/or " coupling " can indicate two or more yuan Part physically or electrically contacts directly with one another.However, word " coupling " can also indicate that two or more elements are not directly contacted with each other, but that This still cooperates or interacts.
It is emphasized that provide disclosure abstract be in order to meet 37C.F.R. chapters and sections 1.72 (b), it is required that Abstract can make reader quickly find out the essence of technology disclosure.The abstract is that explanation or limitation claim are not used in it Range or meaning understanding and submit.In addition, by above-mentioned specific embodiment feeding as it can be seen that combining various features single It is to keep disclosure smooth in example.This publicity pattern is not interpreted as reflecting such a intention, that is, is wanted The example of protection is asked to need to understand than each claim the feature more than the feature of record.On the contrary, as appended claims reflect As out, aspect of the invention is less than single exemplary all features disclosed above.Therefore, appended claims are herein It is included in specific descriptions, wherein each claim is independently used as independent example.In appended each claim, term "comprising" and " wherein " be used separately as term " includes " and " it is characterized in that " word of equal value.In addition, " first ", " second ", " The terms such as three " are used only as label, are not the numerical requirements to its object.
Although with this theme of the dedicated language description of structural features and or methods of action, it is to be understood that, appended right Theme defined in claim is not necessarily limited to above-mentioned specific feature or action.More precisely, above-mentioned specific features and movement It is as disclosed in the exemplary forms for realizing claim.

Claims (17)

1. it is a kind of for balancing the system on chip (SoC) of power and performance, including：
Central processing unit (CPU)；
Graphics processing unit (GPU)；And
Memory cell is coupled at least one of the CPU or the GPU,
Wherein the SoC has circuit, is balanced for the power at the SoC and between performance, wherein the SoC is used In：
By the current performance value set for corresponding to first operator scheme and the target capabilities value set for corresponding to second operator scheme It is compared, wherein the current performance value set includes one or more current values of performance quality of service (QoS) value, wherein The target capabilities value set includes one or more target values of performance qos value；And
One or more is adaptively adjusted compared with the target capabilities value set based on the current performance value set At least one of one or more attribute of performance of subsystem, wherein one or more of subsystems include the memory Unit,
Wherein adaptive adjustment further comprises the modification to idle time-out window based on the comparison, wherein the idle time-out Window includes the time interval that subsystem is maintained in active state during it.
2. SoC as described in claim 1, which is characterized in that one or more of subsystems further comprise with subsystem The graphics subsystem of system memory cell.
3. SoC as described in claim 1, which is characterized in that adaptive adjustment includes working as to the one or more of performance qos value It is preceding value at least one of modification so that the sets match target capabilities value of current performance value set.
4. SoC as claimed in claim 3, which is characterized in that the current and target capabilities value is based on one or more One or more settings of a subsystem or operating parameter, wherein one or more of settings or operating parameter and the SoC The usage type at place is associated, wherein the usage type includes that default uses, web-browsing uses, video playback uses, interaction Formula game use or picture catching at least one of one or more of use, wherein one or more of settings or behaviour Make parameter further with include associated to the system power ability of battery capacity of the SoC.
5. SoC as described in claim 1, which is characterized in that in response to the generation of condition, the first operator scheme is triggered To be converted to the second operator scheme, wherein the condition includes changing for the usage type of one or more of subsystems At least one of change, the reception of application request or user's request and detection of initialization of the SoC.
6. SoC as described in claim 1, which is characterized in that the modification include the idle time-out window is adjusted to compared with The short period is to improve at least one of one or more power attributes or reduce the one or more of the subsystem Can at least one of attribute, or the idle time-out window adjusted to longer time section one or more of to reduce At least one of power attributes or at least one of the one or more attribute of performance for improving the subsystem.
7. it is a kind of for balancing the device of power and performance, including：
Central processing unit (CPU)；
Graphics processing unit (GPU)；And
Memory cell is coupled at least one of the CPU or the GPU,
Wherein described device has circuit, is balanced for the power at described device and between performance, wherein the dress It sets and is used for：
By the current performance value set for corresponding to first operator scheme and the target capabilities value set for corresponding to second operator scheme It is compared, wherein the current performance value set includes one or more current values of performance quality of service (QoS) value, wherein The target capabilities value set includes one or more target values of performance qos value；And
One or more is adaptively adjusted compared with the target capabilities value set based on the current performance value set At least one of one or more attribute of performance of subsystem, wherein one or more of subsystems include the memory Unit,
Wherein adaptive adjustment further comprises the modification to idle time-out window based on the comparison, wherein the idle time-out Window includes the time interval that subsystem is maintained in active state during it.
8. device as claimed in claim 7, which is characterized in that one or more of subsystems further comprise with subsystem The graphics subsystem of system memory cell.
9. device as claimed in claim 7, which is characterized in that adaptive adjustment includes the one or more to performance qos value The modification of at least one of current value so that the sets match target capabilities value of current performance value set.
10. device as claimed in claim 9, which is characterized in that described current and target capabilities value be based on it is one or One or more settings of multiple subsystems or operating parameter, wherein one or more of settings or operating parameter and the dress The usage type for setting place is associated, wherein the usage type includes that default uses, web-browsing uses, video playback uses, hands over Mutual formula game use or picture catching at least one of one or more of use, wherein one or more of settings or Operating parameter further with include to the battery capacity of described device system power ability it is associated.
11. device as claimed in claim 7, which is characterized in that in response to the generation of condition, the first operator scheme is touched Hair is to be converted to the second operator scheme, wherein the condition includes the usage type of one or more of subsystems At least one of change, the reception of application request or user's request and detection of initialization of described device.
12. device as claimed in claim 7, which is characterized in that the modification include the idle time-out window is adjusted to The shorter period is to improve at least one of one or more power attributes or reduce the one or more of the subsystem At least one of attribute of performance, or the idle time-out window adjusted to longer time section one or more to reduce At least one of a power attributes or at least one of the one or more attribute of performance for improving the subsystem.
13. a kind of system for balancing power and performance, including：
Central processing unit (CPU)；
Graphics processing unit (GPU)；
Display controller；
One or more circuits；And
Multiple memory cells are coupled at least one of the CPU or the GPU,
Wherein the system has circuit, is balanced for the power at the system and between performance, wherein the system System is used for：
By the current performance value set for corresponding to first operator scheme and the target capabilities value set for corresponding to second operator scheme It is compared, wherein the current performance value set includes one or more current values of performance quality of service (QoS) value, wherein The target capabilities value set includes one or more target values of performance qos value；And
One or more is adaptively adjusted compared with the target capabilities value set based on the current performance value set At least one of one or more attribute of performance of subsystem, wherein one or more of subsystems include the memory One or more of unit,
Wherein adaptive adjustment further comprises the modification to idle time-out window based on the comparison, wherein the idle time-out Window includes the time interval that subsystem is maintained in active state during it.
14. system as claimed in claim 13, which is characterized in that adaptive adjustment includes one or more to performance qos value The modification of at least one of a current value so that the sets match target capabilities value of current performance value set, wherein described one A or multiple subsystems further comprise the graphics subsystem with subsystem memory unit.
15. system as claimed in claim 14, which is characterized in that described current and target capabilities value be based on it is one or One or more settings of multiple subsystems or operating parameter, wherein one or more of settings or operating parameter and the system Usage type at system is associated, wherein the usage type includes that default uses, web-browsing uses, video playback uses, hands over Mutual formula game use or picture catching at least one of one or more of use, wherein one or more of settings or Operating parameter further with include to the system the system power ability of battery capacity it is associated.
16. system as claimed in claim 13, which is characterized in that in response to the generation of condition, the first operator scheme quilt Triggering is to be converted to the second operator scheme, wherein the condition includes the usage type of one or more of subsystems Change, application request or user's request reception and at least one of the detection of initialization of the system.
17. system as claimed in claim 13, which is characterized in that the modification include the idle time-out window is adjusted to The shorter period is to improve at least one of one or more power attributes or reduce the one or more of the subsystem At least one of attribute of performance, or the idle time-out window adjusted to longer time section one or more to reduce At least one of a power attributes or at least one of the one or more attribute of performance for improving the subsystem.
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