How the Windows High Performance mode may be limiting ...
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Below are two screenshots from the same computer, taken minutes apart. There is plenty of useful information here as to why Ryzen performance has a lot more ... Skiptocontent HomeUncategorizedHowtheWindowsHighPerformancemodemaybelimitingRyzenperformance Belowaretwoscreenshotsfromthesamecomputer,takenminutesapart. ThereisplentyofusefulinformationhereastowhyRyzenperformancehasalotmoretoitthanjustclockfrequency.I’dwagerthattheinconsistentorsometimesunexpectedperformancegains/lossesinperformancearetoadegreepowerrelatedandofcoursememoryaswelltuningaswell.Fornow,let’sjustlookatasimplewindowssetting. TheadvicehasbeentomakesurethatWindowsisoperatingin“highperformance”mode.OfcourseasonenaturallywouldwhendealingwithanINTELsystemforexample.Thisgivesthebestperformanceforthemostpart. However,dealingwithAMD’sAM4platformshowsthatthissettingoradvisecanhavetheoppositeeffectonperformance. Thescreenshotshereinillustratewhythisisnoteasytopickupanditisofcourse–counterintuitive.Forthesakeofillustratingthisinasimplermanner,wehavetouseasyntheticbenchmark;eventhoughmanygamesbehaveinthismanneraswell. FutureMark’s3DMarkFireStrikebenchmarkisgreatforillustratingthis.InthescreenshotsyoucanseethePhysicsandCombinedscoresinbothhighperformanceandbalancedperformancemodes.TheimportantscorehereistheCombinedscore,notthephysics.Itmayseemtohavelittlemeaning,butthatcombinedscoreiswhat’smostimportant.Itrepresentstheproblemwithusingthishighperformancemode. Whatcomplicatesorobfuscatesthis,ifyou’renotparticularlytrackingthisvalueisthatbenchmarkssuchasCPU-Z(Atleastthebuilt-inbenchmark),indicatethatindeed“highperformancemode”isofferingslightlyimprovedfigures.Thenumbersareclose,butifyou’retestingwithCPU-Zoranysuchprogram,itwouldbeproofpositivetoyouthatyou’veindeedgainedsomeperformanceviathis“highperformance”mode.The3DMarkFireStrikescoreistooclosetocallandeventhoughitismarginallylower,soyou’dnotlookatthatnumberwithanysuspicion.It’swithinthetolerablemargin. Asyoucansee,itisonlywhenyouexaminetheCombinedscorethatthemassivedifferencebetweenthetwowindowspowermodesisnoticeable.Wearetalkingoverone thousandpoints,whichisrathermeaningfulinthisbenchmark. GameperformancealsoseemstotrackthisCombinedscoreratherthananypurelysyntheticCPUtest,suchasCinebench,CPU-Zsbuiltinbenchmarketc.Theyarenotreportingtheperformancegainsincorrectlyfromswitchingtohighpowermode,butperhapstheloadisn’ttherightmixbetweenGPUandCPUworkloadstopresentgames.Assuch,using windowsinthispowermodemayloweroverallsystemperformanceingames. Tags:AM4,AMD,Ryzen,Windowshighperformancemode ContinueReading PreviousClub3DIntroducesBrandnewSenseVisionUSBType-CMultiStreamTransportChargingDockNextStrikinglyFastandStunninglyBeautiful–CORSAIRLaunchesVENGEANCERGBDDR4 RelatedStories News GIGABYTEZ690AORUSMASTERPreview 2daysago News Reviews ROGMAXIMUSZ690HEROReview 3daysago News G.SKILLAnnouncesNewRipjawsS5Series 2weeksago LeaveaReplyCancelreplyYoumustbeloggedintopostacomment. Advert Youmayhavemissed News GIGABYTEZ690AORUSMASTERPreview 2daysago News Reviews ROGMAXIMUSZ690HEROReview 3daysago News G.SKILLAnnouncesNewRipjawsS5Series 2weeksago News CORSAIRAIOCoolersreadyforLGA1700Intel®AlderLake 3weeksago News Reviews G.SKILLTridentZRoyalEliteDDR45066Review 3weeksago
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