KombiyuutaradaQalabka

Nvidia GeForce GTX 470: caddaymaha, dib u eegis

NVIDIA ayaa waqti dheer ah, naqshadaha design faahfaahsan si ay u taageeraan tartan istaahila alaabta soo saaray. Sidaas darteed, inta badan ka turjimaysa kiisaska ku saabsan laba sano ku qaatay on shirkadda in ay ka mid taxane ku xiga guurto.

In kaararka GTX sii daayo 470 muuqaallo kale ayaa dib, sababtoo ah horumarinta lagu qasbay in ay adag oo ku filan si loo farsameeyo naqshadaha, waxaa jiray qaar ka mid ah dhibaatooyinka la-soo-saarka, ugu danbeyn abuuray chip ahaa sida in badan kulul in koorsada ee ay shaqada. Sayidka, wareegga hadhay isku dhow si sax ah, laakiin tan iyo markii kaarka hore ayaa ku dhowaad laba sano. Laakiin, si kasta, soo saaray GTX card 470 waxaa markii hore sheegtay in loogu yeedho hogaamiye farsamada uu waqti. Shaki kuma jiro in ay yihiin sida ay ahaayeen.

GeForce 400

Dhaqan ahaan, NVIDIA waxaa la siiyaa waqti isku mid ah labada naqshadeynta kaararka, GTX ah 470 iyo 480, laakiin waxaa la version ugu horeysay badan yahay ka mid ah dadka isticmaala maanta.

Khubarada isla markiiba u jeestay inaan tirada transistors, taas oo loo adeegsadey in Fermi ay fiiro. Isticmaalka dhimaya waxaa lagu si dadban u sheegi kartaa sida uu u fiican yahay chip cusub, sababta oo ah waxay ka badan laba jeer sida wax soo saar leh marka loo eego flagship hore ee shirkadda, iyo sidoo kale jeer iyo badh ka badan in beroosh mid aad casri u ahaa, in uu yahay mid aad u ah, natiijo aad u wanaagsan.

Dabcan, tiradaasi si toos ah muuqataa in kulaylka. In geeddi-socodka of GTX 470 waxaa loo sameeyey si ay u isticmaalaan habka 40-nm farsamo, ku dheehan yahay farqiga u baakada kaamerada, iyadoo isla qalabkaas qiyaastii waa isku mid sida farqiga tirada transistors.

Tilmaamo Technical

Markii hore, waxaa la go'aamiyay in la isticmaalo CUDA-512 Processor, laakiin muddo ka dib, go'aanka waxaa lagu beddeli, si ay tiradaasi ahaa wax yar hoos u si loo yareeyo kulaylka dhereg badan, iyo sidoo kale kordhiyo dhalidda ee chips run ahaantii ka shaqeeya. Si kastaba ha ahaatee, ugu danbeyn kaarka weli noqon doonaa qaali inta badan baaxad weyn oo dadka isticmaala.

Dhab ahaantii la yaab ahayd in inta jeer ee xasuusta xataa model ugu wax soo saarka yar yahay HD ku tartamaya xal 5850. guud bandwidth xusuusta ka badan GeForce GTX 470, laakiin ay sabab u tahay xaqiiqda ah in uu isticmaalo chips dhaqso ah, soo bandhigaan suuragalnimada in ay dardargelinta dheeraad ah .

Sidee u dhaqmo in kulamada?

Labada lagu daydo waxaa ka mid ah taageero DirectX 11. Marka suuqa bilaabay in ay u muuqdaan Evergreen model kaarka muuqaallo kale, waxaa jiray ku dhowaad waxba ku saabsan waxa ayaa laga yaabaa inay tijaabiso awoodaha qalab this, laakiin la sii daayo GeForce GTX 470 xaaladda uusan waxba iska badalin. Games in taageero laga yaabaa API cusub, la go'doomiyay kiisaska, laakiin muddo ka dib, dabcan, waxaa lagu soo saaray tiro badan oo ah mashaariic kala duwan, kuwaas oo isticmaalka kaarka video sida. Xitaa maanta ay la isticmaalo waxaa fiicnayn in inta badan oo ah kulan, iyo haddii dambayn aan lagu ciyaari karaa shuruudaha ugu badan, dhexdhexaad ah, ama ugu yaraan ugu yaraan waxa ay quudin doonaa deggan.

Sida caadiga ah, shirkadda go'aansaday inuu sharad ay guushu ku mustaqbalka fiican aad GTX NVIDIA GeForce 470 si ay fursado sida bixiyeen dambeeya ee DirectX shaqayn, iyo sidoo kale bixinta si GPGPU fiiro gaar ah.

naqshadaha ee chip cusub

Qalabka cusub waxaa loo isticmaalay qori la naqshadaha cusub oo lagu magacaabo GF100. Ugu jaleecada hore, waxaa jiray qaar ka mid ah faraq weyn oo ka horreeyay, design ee waxyaabaha cusub ee ku hadhay scalar, si xadeynta qaarkood joogay. Wax yar ka bedelay Halabuurka ee Processor guud ujeedada, taas waxaa la go'aamiyay in la isu geeyo in a blocks caddaalad ah oo waaweyn. In lagu daydo GT200 unugyada sida lagu magacaabay TPC ah, iyo mid kasta oo iyaga ka mid ah waxaa ka mid ahaa oo dhan accessories lagama maarmaan ah in loo baahan karaa markii la naqshadeynta shaqada, marka laga reebo blocks rasterization. In mustaqbalka, shirkadda si deg deg ah ku bilowday sameynta badan oo versions of Outlet NVIDIA GeForce GTX 470, halkaas oo blocks sida ay ahaayeen labada riisanayo ama modified.

In block kasta oo kale oo ah model chip hore joogo saddex (multiprocessors Streaming) SM, iyo siddeed halbeeg texture iyo khasnado heerka koowaad ee 16 KB. In block ka mid ah aaladaha cusub, markeeda, mid Engine Raster ayaa loo isticmaali jiray, iyo afar SM, in mid kasta oo kayd iyo dareen taabasho ah halbeeg u gaar ah jooga. At chip isla, waxaa mar waa afar blocks in lacagta bixinaya user 32 pixels halkii saacba.

multiprocessors Streaming

Haddii aan ka fiirsan qalabka heerka of SM, farqiga waa arrin muhiim ah, tan iyo markii uu la sii daayay ka GTX NVIDIA ee 470, khubaro badan ayaa tilmaamay in ay jiraan SM aad u balaaran oo madax banaan. In la soo dhaafay, jiilka haatan jooga card 8 SP, iyo sidoo kale 2 SFU, laakiin hadda ay tirada iyo saamiga beddelmay, ku dheehan yahay in qalab kasta oo la joogo on 4 SFU ah, 32 CUDA Core, 16 iyo unugyada Load / Store.

In kasta oo jiilka multiprocessors kuwan saddexaad waxaa jiray dhowr Processor texture iyo xusuusta wadaago bixiya tessellation hardware.

Sababo la xaqiiqada ah in Processor dareen taabasho ah, iyo sidoo kale oo dhan multiprocessors xasuusta khasnado ku habboon ayaa la dhaqaajin gudaha, ku dhiirigelinayaan in uu ay awoodaan si ay u gaaraan hawlgal badan ku ool ah ee qalabka. Waxaa sidoo kale go'aansaday inuu si qoto dheer su'alaha Architecture-gudaha ee qalabka, si loo kordhiyo inta jeer ee ay shaqada, oo lagu daray saddex jeer mugga heerka labaad ee xasuusta si firfircoon loo isticmaalaa in geedi socodka of texturing.

xusuusta caadi ah

xusuusta wadaago ayaa weheliso kayd L1 ah, taasoo keentay in u dhiganta xasuusta noqdaan si fiican u qaybiyeen, taas oo ku xidhan nooca hawsha loo sameeyaa waqti xaadirkaan qalabka. Markii hore xasuusta caadiga ah ka mid ah oo kaliya 16 KB, si kastaba ha ahaatee, markan, taas oo ku xidhan nooca hawsha, hay'adaha u qaybi doonaa 64 KB xasuusta. Haddii la joogo, tiro badan oo ah dejinta jirka, ka dibna 48 KB of GTX kaadhka xusuusta 470 qaybisey L1. Haddii habka kala duwan xaddi weyn oo waqti in ay raadsadaan macluumaad gaar ah, waxaa lagu kaydiyaa xusuusta wadaago. waxyaabo ay ka mid waxtar u leh GPGPU sidoo kale waa saddex jeer xaddiga L2 Cache ee GTX 470. sooc Product, sidaas badan oo ka tegey weeraryahanka marka la barbardhigo tartamaya.

tessellation

Tessellation waa mid ka mid ah qaababka ugu muhiimsan ee kaarka Radeon HD 5000ba card Video ku NVIDIA GeForce GTX 470, markeeda, dhulka roon hirgelinta geynta this.

API The DirectX 11, waxaa jira taageero for "maps barakac" qaar in ay yihiin qaabab mugga. Sayidka, pixel kasta oo ku yaalla image of dareen taabasho ah, ayaa go'aamin doona in ay height. texture Tani waxaa laga codsadaa in ciyaarta si uu u sameeyo sanam faahfaahsan oo dheeraad ah.

Tani waa meesha ay ku yimaado tessellation, taas oo ku qalabeysan yahay Overview a GTX 470. geynta ka muujisay in mahrajaan oo dhan waxaa la aasaasay ka hal site a. technology waxaa loo isticmaalaa eegin maps barakaca, laakiin saamaynta ugu cajiib ah waxaa lagu gaari karaa oo kaliya haddii ay la wada isticmaalo. The dushooda geesoolayaashu la xirrira soo dagta ama fuulaan height gaar ah, keeno nidaamka si ay model lagu qeexay by qolka kaarka.

Waa maxay faa'iidooyinka ku?

Dhab ahaantii, model ah waa la helay gabi ahaanba inay isku poly sare ee caadiga ah, iska indha-tiray waqti isku mid ah, poly hooseeyo, t. Si aad. Waxay ku siin doonaa warbixinta kooban ee saxda ah iyo si sax ah hadhkiisa, faqri sidaas oo dhan amar of magnitude khayraadka yar.

In si kale loo dhigo, NVIDIA GTX 470 sifooyinka sida in ay si deg deg ah ku shuban kartaa kaararka model xasuusta, halka ka dib ma yeelan doonaan si ay u fuliyaan loading iyo dejinta goobaha ah heerarka kale ee faahfaahsan, waxa uu ahaa mid run ah qalabka hore qarnigan. geeddi socodka oo dhan si toos ah ka fuliyeen gudaha beddelaad kaarka inta lagu guda jiro nidaamka kala duwan oo bixiya a sii badan scalable. Iyadoo ku xiran joogitaanka awood Kombuyuutarada gebi ahaanba bilaash ah noqon doona u dhaw in ay map barakaca saxsanaan gaar ah, taas oo ah arrin muhiim ah marka la eego joomateri waxqabadka GTX 470. dib u eegista User soo jeedinaya in technology si weyn u soo hagaagaysa ka qabadka guud ee computer ah inta lagu guda jiro fulinta geedi socodka muuqaallo kale oo adag.

Maxaa users leh?

Jawaab-celinta ka isticmaala, cusboonaysiiso computer by rakibidda map tilmaamay muujinaysaa in ka dib markii casriyayn ee ay suurto gal ahayd in ay ku riday kulan oo dhan goobaha ugu badnaan. Ciyaarta ma burburtay, biriiga lahayn oo aan lagu arkay.

Dabcan, jawaabaha kuwani waa caan 2010-2012, xilligan card waxaa mar dambe ma bixisaa ninkii lahaa la fursadaha aan la koobi karayn sida. Oo weliba inta lagu jiro waqtiga technology in uu hore u booday, oo aad u tagtaan leeyihiin kulan kuwan, kuwaas oo sida kaarka naqshadeynta oo kaliya lagu ciyaari karaa goobaha ugu yar.

3D Vision

technology 3D ayaa helay maanta aad u baahsan, laga bilaabo telefishinada ama kormeerayaasha soo gabagabeeyay. Xitaa shirkadda AMD ayaa muddo dheer soo saarta koob u gaar ah, iyo sidoo kale software ku habboon, kaas oo u ogolaanaya saaraha kaarka video si ay u soo bandhigaan images stereoscopic tayo-sare.

The GTX GeForce 470 muuqaalada sidoo kale ka mid awood u leh inay u isticmaalaan technology this, inkastoo xaqiiqda ah in uu leeyahay qaab ciyaareed weyn dareenka guud ee gameplay ama movie waa gebi ahaan kala duwan.

set oo dhan qalabka ay bixiyaan kaararka video kala duwan iyo API ah, waa adag ku filan si ay u bartaan dadka isticmaala aan sugnayn iyo sidaas ayaa loo arkaa in gabi ahaanba aan waxtar lahayn haddii ay mid ka mid ah ma u isticmaali doonaa. Waa sababtaa tan aan NVIDIA ayaa abuuray kala qaybsameen gaar ah oo ka shaqaysa la horumarinta ciyaarta casriga ah. Dabcan, fiiro waxaa had iyo jeer la siiyey mashaariicda ugu guulaha badan, kaas oo loo sameeyey iskaashiga labada dhinacba faa'iido, maxaa yeelay, ugu dambeyntii ciyaarta laftiisa noqotaa mid aad u dhakhso badan oo qurux badan ay dhacdo in uu bilaabay user a on computer la kaarka this.

nidaamka qaboojinta

Si loo hubiyo qaboojinta ku filan, shirkadda kaarka hormariyey qabow gaar ah, taas oo ah mid ka mid ah ugu dhex daydo tixraaca la mid ah oo awood badan. aalad waxaa loogu talagalay ee foomka of marawaxadaha caadiga ah, laakiin waxay leeyihiin a muuqaalada yar in si xaqiiqo ah u qalmaa fiiro gaar ah.

Sida ku salaysan nidaamka ka jiifku ay si farsamaysan la cover caag ah ku rakiban yihiin a. Iyada oo biririf kaamerada ku takhasusay, kulaylka ahaan inta lagu jiro hawlgalka ee chips xasuusta iyo hoosaadyo, waxaa lagu kala qaadaa in ay ku yiilleen. From GF 100, kulaylka laga saaro iyadoo la kaashanayo shan tuubooyinka kulaylka gaar ah u soo galeen xiriir la chip si toos ah.

xiriir toos ah tuubooyinka kulaylka chip inta badan loo isticmaalaa in qaboojinta nidaamyada, Processor, iyo nidaamka noocan oo kale ah ma la odhan karaa cad ka waxtar badan calanka. Laakiin haddii ay dhacdo ayaa waxa la sheegay in, marka la horumariyo, GTX GeForce 470 ah, ku dhiirigelinayaan in uu ku bixisay nidaamka qaboojinta fiiro gaar ah.

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