Delivering Performance While Conserving Power (AMD) Brent Kerby Product Manager, Servers & Workstations Microprocessor Solutions Sector AMD .

Delivering Performance Delivering Performance While Conserving Power While Conserving Power (AMD)(AMD)

Brent KerbyBrent KerbyProduct Manager, Servers & WorkstationsProduct Manager, Servers & WorkstationsMicroprocessor Solutions SectorMicroprocessor Solutions SectorAMD AMD www.amd.comwww.amd.com

Did You Know?Did You Know?

The combined total of data centers in California are estimated to require 250MW – 375MW of energy. That’s equivalent to 3,495 – 5,242 barrels of oil a day!

SOURCE: California Energy Commission http://www.energy.ca.gov/reports/2004-04-07_500-04-004.PDF

IT Managers Have A IT Managers Have A Problem Problem

Base: 1,177 IT Decision Makers November 2005Strategy Group/Ziff-Davis

17%

12%

38%

21%

12% Power ConsumptionPower Consumption

CoolingCooling

Both EquallyBoth EquallyImportantImportant

Suspect That Both are Issues Suspect That Both are Issues but do not Track at this Timebut do not Track at this Time

Neither Presents An Neither Presents An Issue at this TimeIssue at this Time

Power Consumption/Cooling Issues Tracked By Company: 71%

Stopped Buying More Servers And/Or Stopped Buying More Servers And/Or Consolidated Existing EquipmentConsolidated Existing Equipment

How Are Companies Addressing These Issues

Average of 18% of total rack space wasted due to power and cooling issues

Implemented "Cool Aisle/Hot Aisle“Implemented "Cool Aisle/Hot Aisle“LayoutLayout

15%

16%

23%

25%

26%

44%Increased Amount Of Increased Amount Of Power Supplied To Data CenterPower Supplied To Data Center

Increased Size Of Data CenterIncreased Size Of Data Center

OtherOther

None Of The AboveNone Of The Above

Microprocessor Innovations Microprocessor Innovations

Reducing power and coolingReducing power and cooling

Memory Sub-System

Dual-Corenative design

Efficient Architecture

Processor Power Management

Virtualization Technology

OS-Directed Power ManagementOS-Directed Power Management

AMD PowerNow!™ AMD PowerNow!™ technology with Optimized technology with Optimized Power Management Power Management

Multiple performance Multiple performance states for optimized power states for optimized power managementmanagement

Dynamically reduces Dynamically reduces processor power based on processor power based on workloadworkload

Lowers power Lowers power consumption without consumption without compromising compromising performanceperformance

Leverages industry Leverages industry standardsstandards

Up to 75% CPU power Up to 75% CPU power savings at idle savings at idle

P-StateHIGHHIGH

LOWLOW

P02600MHz

1.40V~95watts

P12400MHz

1.35V~90watts

P22200MHz

1.30V~76watts

P32000MHz

1.25V~65watts

P41800MHz

1.20V~55watts

P51000MHz

1.10V~32watts

PROCESSORPROCESSORUTILIZATIONUTILIZATION

EXAMPLE ONLY

Avg CPU Core Power(SPECWebSSL)

0.000

5.000

10.000

15.000

20.000

25.000

30.000

100%Utilization

80%Utilization

60%Utilization

40%Utilization

20%Utilization

Idle Standby

POW

ER

AMD PowerNow!™ Technology with OPM - DISABLED

AMD PowerNow!™ Technology with OPM - ENABLED

OS-Directed Power ManagementOS-Directed Power Management

-7%

-43%

AMD PowerNow! technology can provide up to 75% power savings!Benchmarks show no measurable performance impact!

-69%-75%

-73%

-55%

MAX

MIN

Efficiency Through Efficiency Through Instruction SetsInstruction Sets

OSOS

OS

ApplicationApplication

Application

Virtual Machine Virtual

Machine

Virtual Machine

‘‘AMD64 Technology’AMD64 Technology’ ‘‘Virtualization’Virtualization’

Getting more done without increased power and heat

Can Reduce number of power consuming servers

32-bit to 64-bit ~25% increase~25% increase

http://www.amd.com/us-en/Processors/ProductInformation/0,,30_118_8796_8800~100357,00.htmlhttp://www.amd.com/us-en/Processors/ProductInformation/0,,30_118_8796_8800~100357,00.html

Dual-CoreDual-CoreIncreasing performance without facilities upgradesIncreasing performance without facilities upgrades

Performance based on SPECweb®99_SSL 82,244 connections http://www.amd.com/us-en/Processors/ProductInformation/0,,30_118_8796_8800~102056,00.html

Dual-Core Processors

Increasing throughput within the same power and cooling envelope  as single-core processors

Less Space

AMD Opteron™ (Dual-Core)

VS.

17

Room for more growth

OR

Po

wer

Dro

p o

f 9

KV

A

AMD Opteron™ (Single-Core)

41%41%Less

Servers

Less Power

LessHeat

29

Architectures Effects On Power Architectures Effects On Power

I/O HubI/O HubUSBUSB

PCIPCI

PCI-E Bridge

PCI-E Bridge

PCI-E Bridge

PCI-E Bridge

I/O HubI/O Hub

CPUCPU CPUCPU

Legacy x86 ArchitectureLegacy x86 Architecture300 watts for processors (150w each)300 watts for processors (150w each)

22 watts for external memory controller22 watts for external memory controller

~$451 per year (1 server)~$451 per year (1 server)

~$225,698 per year (500 servers)~$225,698 per year (500 servers)

~69% More~69% More

AMD64 Technology with AMD64 Technology with Direct Connect ArchitectureDirect Connect Architecture

190 watts for processors (only 95w each)190 watts for processors (only 95w each)

Integrated memory controllersIntegrated memory controllers

~$266 per year (1 server)~$266 per year (1 server)

~$133,000 per year (500 servers)~$133,000 per year (500 servers)

SRQ

Crossbar

HTMem.Ctrlr

SRQ

Crossbar

HTMem.Ctrlr

8 GB/S

8 GB/S 8 GB/S

8 GB/S

I/O HubI/O Hub

PCI-E Bridge

PCI-E BridgePCI-E Bridge

PCI-E BridgePCI-E Bridge

PCI-E Bridge

Memory Controller

Hub

Memory Controller

Hub

MCPDual-Core

MCPDual-Core

NativeDual-Core

NativeDual-Core

MCPMCP MCPMCP

190 watts190 watts(95w per CPU)(95w per CPU)

2222wattswatts

322 watts 190 watts

CORE CORE CORE CORE

300 watts300 watts(150w per CPU)(150w per CPU)

Energy includes power input & cooling, Power Utility cost: $0.10/KW-hr, Publicly available processor & chipset specifications. The examples contained herein are intended for informational purposes only. Other factors will affect real-world power consumption and cost

Architectures Effects On PowerArchitectures Effects On Power

Legacy x86 Architecture692 watts for processors (173w each)

48 watts for external memory controller

~$1037 per year (1 server)

~$518,592 per year (500 servers)

~95% More

AMD64 Technology withDirect Connect Architecture

380 watts for processors (only 95w each)

Integrated memory controllers

~$533 per/year (1 server)

~$266,304 per/year (500 servers)

Energy includes power input & cooling, Power Utility cost: $0.10/KW-hr, Publicly available processor & chipset specifications. The examples contained herein are intended for informational purposes only. Other factors will affect real-world power consumption and cost.

I/O HubI/O HubUSBUSB

PCIPCI

PCI-E Bridge

PCI-E Bridge

PCI-E Bridge

PCI-E Bridge

I/O HubI/O Hub

8 GB/S

8 GB/S 8 GB/S

8 GB/S

PCI-E Bridge

PCI-E BridgePCI-E Bridge

PCI-E BridgePCI-E Bridge

PCI-E Bridge

USBUSB

PCIPCII/O HubI/O Hub

XMBXMBXMBXMB XMBXMB XMBXMB

SRQ

Crossbar

HTMem.Ctrlr

SRQ

Crossbar

HTMem.Ctrlr

SRQ

Crossbar

HTMem.Ctrlr

SRQ

Crossbar

HTMem.Ctrlr

Memory Controller

Hub

Memory Controller

Hub

MCPMCP MCPMCPMCPMCP MCPMCP

380 watts380 watts(95w per CPU)(95w per CPU)

1414wattswatts

8.58.5wattswatts

8.58.5wattswatts

8.58.5wattswatts

8.58.5wattswatts

CORE CORE CORE CORE CORE CORE CORE CORE

692 watts692 watts(173w per CPU)(173w per CPU)

740 watts 380 watts

ChallengesChallenges

Efficient Power SuppliesEfficient Power SuppliesTypically only 72% efficient (at full load)Typically only 72% efficient (at full load)

That’s 280 watts in a 1000 watt load! That’s 280 watts in a 1000 watt load!

Efficient Voltage Regulator ModulesEfficient Voltage Regulator ModulesProcessor, MemoryProcessor, Memory

Memory TechnologiesMemory TechnologiesDDR2 DIMM = ~6 watts eachDDR2 DIMM = ~6 watts each

FBDIMM = ~12 watts eachFBDIMM = ~12 watts each

Infrastructure Support of OS-Directed Infrastructure Support of OS-Directed Power ManagementPower Management

Driving Innovation And Awareness Driving Innovation And Awareness To Make A Difference…To Make A Difference…

Delivering Performance Delivering Performance While Conserving PowerWhile Conserving PowerThe mobile perspectiveThe mobile perspective

Frank P. HelmsFrank P. HelmsPrincipal Member Technical StaffPrincipal Member Technical StaffLead Mobile System ArchitectLead Mobile System ArchitectMicroprocessor Solutions SectorMicroprocessor Solutions SectorAMD www.amd.comAMD www.amd.com

AgendaAgenda

AMD Mobile Power Management AMD Mobile Power Management PhilosophyPhilosophy

AMD Turion™ 64 X2 Mobile TechnologyAMD Turion™ 64 X2 Mobile TechnologyGeneral CharacteristicsGeneral Characteristics

Power Management MechanismsPower Management Mechanisms

Dual Core Processor Benefits for Dual Core Processor Benefits for Notebook PCsNotebook PCs

Windows Vista Power ManagementWindows Vista Power Management

DemoDemo

Power Management PhilosophyPower Management PhilosophyBoth OS and hardware are importantBoth OS and hardware are important

To optimize battery life and performance To optimize battery life and performance both the operating system (OS) directed both the operating system (OS) directed and Hardware (HW) autonomous and Hardware (HW) autonomous mechanisms must be involved in mechanisms must be involved in power managementpower management

Power Management PhilosophyPower Management PhilosophyMechanisms controlled by the OSMechanisms controlled by the OS

Mechanisms controlled by the OS have the Mechanisms controlled by the OS have the following characteristicsfollowing characteristics

Involve user policy/preferenceInvolve user policy/preference

Interactions with Applications and DriversInteractions with Applications and Drivers

Knowledge of CPU usage by the applications which Knowledge of CPU usage by the applications which are runningare running

Examples of Mechanisms controlled by the Examples of Mechanisms controlled by the OS includeOS include

Transitions in and out of ACPI S-statesTransitions in and out of ACPI S-states

Processor P-state controlProcessor P-state control

Halt (Processor C-state control)Halt (Processor C-state control)

Power Management PhilosophyPower Management PhilosophyControlled Autonomously by HWControlled Autonomously by HW

Mechanisms that are controlled autonomously by Mechanisms that are controlled autonomously by Hardware have the following characteristicsHardware have the following characteristics

Transparent to the OS, Software, and the UserTransparent to the OS, Software, and the User

Mechanisms that are on microsecond and finer Mechanisms that are on microsecond and finer time scalestime scales

ExamplesExamplesUsing pre-charge power down mode (memory)Using pre-charge power down mode (memory)

Fine grain clock gating (processor, GPU, etc.)Fine grain clock gating (processor, GPU, etc.)

HyperTransport™ Link power managementHyperTransport™ Link power management

AMD Turion™ 64 X2 Mobile TechnologyAMD Turion™ 64 X2 Mobile TechnologyGeneral characteristicsGeneral characteristics

Dual Core (512 KB L2 per core)Dual Core (512 KB L2 per core)

Dual Channel DDR2Dual Channel DDR2

HyperTransport @ 800 MHz (6.4 GByte/s HyperTransport @ 800 MHz (6.4 GByte/s bandwidth total) bandwidth total)

Manufacturing process that is optimized Manufacturing process that is optimized for mobile (to minimize leakage current)for mobile (to minimize leakage current)

35x35mm lidless package and low 35x35mm lidless package and low profile socketprofile socket

AMD Turion™ 64 X2 Mobile TechnologyAMD Turion™ 64 X2 Mobile TechnologyCore power managementCore power management

C0C0P-statesP-states

Dynamic fine grain clock gating of idle logicDynamic fine grain clock gating of idle logic

Pre-charge power down mode for system memoryPre-charge power down mode for system memory

Cores can be halted (C1) individuallyCores can be halted (C1) individuallyCore by core power managementCore by core power management

C1E (Enhanced): When both cores are halted, C1E (Enhanced): When both cores are halted, additional power savings mechanisms can additional power savings mechanisms can be appliedbe applied

HyperTransport™ link can be disconnected HyperTransport™ link can be disconnected

System Memory in self refreshSystem Memory in self refresh

On-die northbridge clock grid ramps downOn-die northbridge clock grid ramps down

AMD Turion™ 64 X2 Mobile TechnologyAMD Turion™ 64 X2 Mobile TechnologyPower management overviewPower management overview

Both cores Both cores executing executing code (C0)code (C0)

Core0 C0

Core1C0

Northbridge

Chipset with GPU

HT ConnectedHT Connected

SODIMM

SODIMM

LCD

• Core 1 Halted(C1) clock grid ramped down

Core1C1

Core0C1

• Both cores halted enables hardware C1E

HT Disconnected

Northbridge

Cores clock grids ramped downCores clock grids ramped down

HT DisconnectedHT Disconnected

System Memory in self refreshSystem Memory in self refresh

On-die Northbridge clock grid ramped downOn-die Northbridge clock grid ramped down

Chipset clock gating etcChipset clock gating etc

Deeper Sleep (AltVID)Deeper Sleep (AltVID)

Chipset with GPU

Deeper Sleep: VDD plane voltage is

reduced further

Dual Core CPUs Can Improve Dual Core CPUs Can Improve Performance And Battery LifePerformance And Battery LifeHigher performance per wattHigher performance per watt

Example TDP Breakdown for 2 GHz AMD mobile processorsExample TDP Breakdown for 2 GHz AMD mobile processors

Single Core (2GHz)

+

I/O Power with 64bit DDR interface = 2.2 W

2006200620052005

I/O Power with 128bit DDR2 interface = 3.0 W

Core 0 (2GHz)

+

Core 1 (2GHz)

+

On Die Northbridge On Die Northbridge

Fixed Fixed 35W TDP35W TDP

= 32.8 W = 32 W

Windows Vista Power ManagementWindows Vista Power ManagementProcessor power managementProcessor power management

AMD will be evaluating all Windows Vista AMD will be evaluating all Windows Vista configurable power management optionsconfigurable power management options

AMD will publish recommendations for the AMD will publish recommendations for the use of Windows Vista power management use of Windows Vista power management options to optimize performance and options to optimize performance and battery lifebattery life

Dual Core ProcessorDual Core Processor

Frank P. HelmsFrank P. HelmsLead Mobile System ArchitectLead Mobile System ArchitectAMD Japan Engineering LabAMD Japan Engineering Lab

Call To ActionCall To Action

Use AMD Turion™ 64 X2 Mobile Use AMD Turion™ 64 X2 Mobile Technology for the best mobile Technology for the best mobile experience with Windows Vistaexperience with Windows Vista

Contact AMD regardingContact AMD regardingRecommendations for optimized Recommendations for optimized Windows Vista Power Policy settings for Windows Vista Power Policy settings for notebooks later this yearnotebooks later this year

Additional information on Additional information on AMD Turion™ 64 X2 Mobile TechnologyAMD Turion™ 64 X2 Mobile Technology

Delivering Performance Delivering Performance While Conserving PowerWhile Conserving PowerThe desktop perspectiveThe desktop perspective

Paul C. StanleyPaul C. StanleyDesktop Strategic Platform PlanningDesktop Strategic Platform PlanningMicroprocessor Solutions SectorMicroprocessor Solutions SectorAMD www.amd.com AMD www.amd.com

AgendaAgenda

Desktop Power ConsumptionDesktop Power Consumption

The Energy Efficient DesktopThe Energy Efficient Desktop

The Microprocessor ContributionThe Microprocessor Contribution

Desktop Power Management Desktop Power Management

Platform Strategies for Reducing PowerPlatform Strategies for Reducing Power

Windows Vista Power Management on Windows Vista Power Management on the Desktopthe Desktop

Call to ActionCall to Action

Desktop Power ConsumptionDesktop Power Consumption

““Enthusiast” Class platform can easily exceed Enthusiast” Class platform can easily exceed 800W - 1000W of total system power800W - 1000W of total system power

High-Performance CPU + Dual GPU can exceed 60A High-Performance CPU + Dual GPU can exceed 60A on 12V railson 12V rails

ATX 2.0 Specification = two rails at 20A per railATX 2.0 Specification = two rails at 20A per rail

8-phase VRM, 4 GB System Memory, GPU Physics 8-phase VRM, 4 GB System Memory, GPU Physics Card, 4xSATA RAID, 2xGbE, USB, 1394, …Card, 4xSATA RAID, 2xGbE, USB, 1394, …Extreme Overclocking…Extreme Overclocking…

High-End Home Theater can exceed 400W+High-End Home Theater can exceed 400W+A/V tuner(s), external speakers, 7.1 Surround Sound, A/V tuner(s), external speakers, 7.1 Surround Sound, HD DVD, “big” LCD Monitor, etc.HD DVD, “big” LCD Monitor, etc.

Let’s face it – higher performance = Let’s face it – higher performance = higher powerhigher power

The Energy Efficient DesktopThe Energy Efficient Desktop

Typical Mainstream PC, measured at the wallTypical Mainstream PC, measured at the wallAt Idle: 150W - 200WAt Idle: 150W - 200Whttp://www.tomshardware.com/2005/06/03/dual_core_stress_test/http://www.tomshardware.com/2005/06/03/dual_core_stress_test/

Under Load: 200 W (UMA) – 350 W (discrete)Under Load: 200 W (UMA) – 350 W (discrete)

Energy Efficient Desktop: ~50W to ~100WEnergy Efficient Desktop: ~50W to ~100Whttp://www.silentpcreview.com/article313-page1.htmlhttp://www.silentpcreview.com/article313-page1.html

Typical Commercial usage modelTypical Commercial usage model8 hours per day, 90%+ Idle8 hours per day, 90%+ Idle

Energy Efficient Desktop (estimated) electricity Energy Efficient Desktop (estimated) electricity cost savings alone can easily exceed $100+ per cost savings alone can easily exceed $100+ per year per platformyear per platform

IDC Prognostication On SFFIDC Prognostication On SFFhttp://www.eweek.com/article2/0,1759,1948894,00.asp?kc=EWRSS03119TX1K0000594http://www.eweek.com/article2/0,1759,1948894,00.asp?kc=EWRSS03119TX1K0000594

Platforms include Small Form Factor (SFF), Ultra-Small Form Factor Platforms include Small Form Factor (SFF), Ultra-Small Form Factor (USFF), All-In-One (AIO), Living Room PC (LRPC), Blade PC...(USFF), All-In-One (AIO), Living Room PC (LRPC), Blade PC...

2005 U.S. Markets: ~31M Minitowers (77% of desktop market), ~5M 2005 U.S. Markets: ~31M Minitowers (77% of desktop market), ~5M SFF (12%)SFF (12%)

2009 U.S. Markets: ~11M Minitowers (31%), ~15M SFF (42%)2009 U.S. Markets: ~11M Minitowers (31%), ~15M SFF (42%)

2005 to 2009 Global Markets: ~93M Minitower units (70%) drops to 2005 to 2009 Global Markets: ~93M Minitower units (70%) drops to ~78M (< 50%)~78M (< 50%)

2005 to 2009 Global Markets: SFF ~12M units (9%) rises to 2005 to 2009 Global Markets: SFF ~12M units (9%) rises to ~48M (30%)~48M (30%)

SFF produces less heat and noiseSFF produces less heat and noiseDual Core CPU provides more performance for less energy costDual Core CPU provides more performance for less energy cost

SFF in standard form factors, with standard components, keeps SFF in standard form factors, with standard components, keeps costs lowcosts low

eWeek On SFFeWeek On SFFhttp://www.eweek.com/article2/0,1895,1854790,00.asphttp://www.eweek.com/article2/0,1895,1854790,00.asphttp://www.eweek.com/article2/0,1895,1934114,00.asphttp://www.eweek.com/article2/0,1895,1934114,00.asp

Enterprise will drive the move to SFFEnterprise will drive the move to SFFManagement costs, electricity, acoustics, all call for smaller, Management costs, electricity, acoustics, all call for smaller, quieter desktopquieter desktop

Expandability gives way to integrationExpandability gives way to integrationShrinking the size (down to 6-9 liters) uses less powerShrinking the size (down to 6-9 liters) uses less powerStandard desktop parts minimizes platform costStandard desktop parts minimizes platform costData Center electricity usage is at the top of IT managers' Data Center electricity usage is at the top of IT managers' list of worrieslist of worriesBalance and tradeoff between performance and powerBalance and tradeoff between performance and power"...the lowest-power system...pays me back over the life of "...the lowest-power system...pays me back over the life of the system"the system"Desire for objective ways to measure power consumption, Desire for objective ways to measure power consumption, to be developed by third partiesto be developed by third parties

eWeek On SFF Trends Out To 2015eWeek On SFF Trends Out To 2015http://www.eweek.com/article2/0,1895,1949079,00.asp?kc=ewnws041306dtx1k0000599http://www.eweek.com/article2/0,1895,1949079,00.asp?kc=ewnws041306dtx1k0000599

Full-size tower is marginalizedFull-size tower is marginalized

Minitower (dominates U.S. retail Minitower (dominates U.S. retail today) is diminishedtoday) is diminished

SFF (7-20 liters) becomes most SFF (7-20 liters) becomes most popular, uses low-cost desktop popular, uses low-cost desktop componentscomponents

SFF acoustics become SFF acoustics become unobtrusive, form factor “fits unobtrusive, form factor “fits anywhere” (LRPC, etc.)anywhere” (LRPC, etc.)

USFF (1-7 liters) uses higher USFF (1-7 liters) uses higher priced notebook components priced notebook components (miniaturization)(miniaturization)

All-In-One (U)SFF a la All-In-One (U)SFF a la Apple iMacApple iMac

Blade PC Client for the Blade PC Client for the EnterpriseEnterprise

The Microprocessor ContributionThe Microprocessor ContributionAMD Athlon™ 64 ProcessorsAMD Athlon™ 64 Processors

AMD Athlon 64 X2 vs AMD Athlon 64 (V)EE CPUAMD Athlon 64 X2 vs AMD Athlon 64 (V)EE CPUAMD Athlon 64 X2 4800+ @ 89 W standard TDPAMD Athlon 64 X2 4800+ @ 89 W standard TDPAMD Athlon 64 EE 4800+ @ 65 W, VEE 3800+ @ 35 WAMD Athlon 64 EE 4800+ @ 65 W, VEE 3800+ @ 35 WAMD Athlon 64 X2 drops to ~9 W at IdleAMD Athlon 64 X2 drops to ~9 W at Idle(V)EE drops as low as ~1 W (matching AMD Turion™ 64)(V)EE drops as low as ~1 W (matching AMD Turion™ 64)

AMD Athlon 64 embeds TCaseMax and TDP dataAMD Athlon 64 embeds TCaseMax and TDP dataAMD Athlon 64 TDP has steadily declinedAMD Athlon 64 TDP has steadily declinedExamples (CPU samples are widely divergent, your mileage Examples (CPU samples are widely divergent, your mileage may vary)may vary)

CPUCPU TCaseMaxTCaseMax TDPTDPA64 X2 3800+ (Toledo)A64 X2 3800+ (Toledo) 63°C63°C 65.6 W [standard 89 W]65.6 W [standard 89 W]A64 4800+ (Toledo)A64 4800+ (Toledo) 59°C59°C 85.0 W [standard 110 W]85.0 W [standard 110 W]A64 3000+ (Venice)A64 3000+ (Venice) 57°C57°C 44.1 W [66% of standard 67 W]44.1 W [66% of standard 67 W]A64 4000+ (San Diego)A64 4000+ (San Diego) 59°C59°C 50.0 W [56% of standard 50.0 W [56% of standard 89 W]89 W]

AMD Athlon™ 64 Energy AMD Athlon™ 64 Energy Efficient CPUsEfficient CPUs

Energy-efficient processors drive new class of platformsEnergy-efficient processors drive new class of platformsThin Clients and PC Blades for EnterpriseThin Clients and PC Blades for Enterprise

SFF Desktops for Home and for BusinessSFF Desktops for Home and for BusinessSmaller footprint reaches further into the HomeSmaller footprint reaches further into the Home

Better Acoustics are RequiredBetter Acoustics are RequiredAccurate Temperature Monitoring enables improved fan control Accurate Temperature Monitoring enables improved fan control

Total-System Energy Efficiency is RequiredTotal-System Energy Efficiency is RequiredRegulatory Programs (EnergyStar, Blue Angel, Nordic Swan…) are driving Regulatory Programs (EnergyStar, Blue Angel, Nordic Swan…) are driving challenging new requirements for Energy Efficiencychallenging new requirements for Energy Efficiency

Building BlocksBuilding BlocksEnergy efficient componentsEnergy efficient components

Improved power management leveraging mobile technologyImproved power management leveraging mobile technology

Robust implementation of Cool’n’Quiet™ TechnologyRobust implementation of Cool’n’Quiet™ Technology

Accurate Temperature Monitoring infrastructureAccurate Temperature Monitoring infrastructure

Desktop Power ManagementDesktop Power Management

It’s not about power management, per seIt’s not about power management, per se

It’s really about delivering a better user It’s really about delivering a better user experience, lowering costs, and enabling new experience, lowering costs, and enabling new usage scenariosusage scenarios

Lower thermals = fewer/slower system fansLower thermals = fewer/slower system fans

Less noise = improved acousticsLess noise = improved acoustics

Desktops are consuming more power, electricity costs Desktops are consuming more power, electricity costs are rising – Do the mathare rising – Do the math

Home use scenarios demand quiet systemsHome use scenarios demand quiet systems

7 of 10 IT Shops track power consumption7 of 10 IT Shops track power consumptionhttp://enterprise.amd.com/Downloads/Ziff_Power_and_Cooling_IT_survey_en.pdfhttp://enterprise.amd.com/Downloads/Ziff_Power_and_Cooling_IT_survey_en.pdf

AMD Power ManagementAMD Power Management

AMD Cool‘n’Quiet™ on AMD Athlon™ 64 CPUAMD Cool‘n’Quiet™ on AMD Athlon™ 64 CPUPerformance On DemandPerformance On Demand

Up to 75% or more CPU power savings at IdleUp to 75% or more CPU power savings at Idle

No impact on the performance of other platform subsystems No impact on the performance of other platform subsystems (Memory Controller, HyperTransport...)(Memory Controller, HyperTransport...)

Fully synchronized Dual Core power managementFully synchronized Dual Core power management

Load Balancing across dual cores can lower total CPU power Load Balancing across dual cores can lower total CPU power consumption by as much as 50%consumption by as much as 50%

AMD Dual Core architecture optimizes chip-level AMD Dual Core architecture optimizes chip-level interconnects for faster, lower-power operationinterconnects for faster, lower-power operation

AMD DirectConnect Architecture eliminates bus interface AMD DirectConnect Architecture eliminates bus interface silicon and other overhead signalssilicon and other overhead signals

Saves “tens of watts per system”Saves “tens of watts per system”http://enterprise.amd.com/Downloads/34146A_PC_WP_en.pdfhttp://enterprise.amd.com/Downloads/34146A_PC_WP_en.pdf

Platform Strategies For Platform Strategies For Lowering PowerLowering Power

Undervolting and underclocking components Undervolting and underclocking components Lower voltage chips running at slower clock speed Lower voltage chips running at slower clock speed consume less powerconsume less power

Deliberately choosing low-end componentsDeliberately choosing low-end componentsOften lower performance and lower voltage, but also Often lower performance and lower voltage, but also lower powerlower power

Selecting more efficient componentsSelecting more efficient componentsHigher performance-per-watt ratioHigher performance-per-watt ratio

Using notebook PC components and Using notebook PC components and subsystemssubsystems

But Desktop CPU is preferred over Mobile CPUBut Desktop CPU is preferred over Mobile CPUEase of implementation, infrastructure cost model…Ease of implementation, infrastructure cost model…

Platform Impact Trends Platform Impact Trends And PotentialsAnd Potentials

AMD Athlon™ 64 CPU Roadmap now includes AMD Athlon™ 64 CPU Roadmap now includes AMD Athlon 64 Energy Efficient (EE) CPU at 65 W and AMD Athlon 64 Energy Efficient (EE) CPU at 65 W and Very Energy Efficient (VEE) CPU at 35 WVery Energy Efficient (VEE) CPU at 35 W

Enhanced Power Management PossibilitiesEnhanced Power Management PossibilitiesC1E Enhanced SleepC1E Enhanced Sleep

Clock gating can be beneficially implemented in virtually any Clock gating can be beneficially implemented in virtually any silicon componentsilicon component

GPU performance scaling is gaining tractionGPU performance scaling is gaining traction

Away Mode/Instant On for Media Center PCAway Mode/Instant On for Media Center PC

Enhanced Thermal and Acoustics ManagementEnhanced Thermal and Acoustics ManagementMultiple thermal sensors to optimize fan controlMultiple thermal sensors to optimize fan control

Instrumented PSU to enable PSU fan controlInstrumented PSU to enable PSU fan control

Additional Hardware OptionsAdditional Hardware Options

CPU, Motherboard, VRM, Chipset, PSU, System CPU, Motherboard, VRM, Chipset, PSU, System Memory, Storage (HDD, ODD…)…Memory, Storage (HDD, ODD…)…Select power efficient componentsSelect power efficient components

Example: Notebook HDD consumes ~1 WExample: Notebook HDD consumes ~1 W

Discrete Graphics adds 15 W+ at Idle and 30 W+ Discrete Graphics adds 15 W+ at Idle and 30 W+ under loadunder loadMany and varied platform power conversions waste as Many and varied platform power conversions waste as much as 50% of AC power inputmuch as 50% of AC power inputImprove PSU efficiency Improve PSU efficiency

Today’s “better” PSU = ~70%, EnergyStar proposal = 80%Today’s “better” PSU = ~70%, EnergyStar proposal = 80%Other global programs: Blue Angel, Nordic Swan...Other global programs: Blue Angel, Nordic Swan...

Improve VRM efficiency (today ~80%)Improve VRM efficiency (today ~80%)Implement more highly power-optimized “sleep” Implement more highly power-optimized “sleep” components and algorithmscomponents and algorithms

Windows VistaWindows VistaDesktop power managementDesktop power management

Robust support for Sleep states Robust support for Sleep states encourages Windows Vista Power encourages Windows Vista Power Management usage on Desktop PCManagement usage on Desktop PC

Desktop Default is Hybrid Sleep: Desktop Default is Hybrid Sleep: S3 Standby → S4 HibernateS3 Standby → S4 Hibernate

Focus on Desktop power consumptionFocus on Desktop power consumption

Group Policy control for IT usageGroup Policy control for IT usage

Optimized S3 Resume performance Optimized S3 Resume performance (< 2 seconds)(< 2 seconds)

Call To ActionCall To Action

The entire PC ecosystem must cooperate The entire PC ecosystem must cooperate and contribute to maximize the potential of and contribute to maximize the potential of the Energy Efficient Desktopthe Energy Efficient Desktop

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