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Tensor Cores waa unug qalab gaar ah oo ku dhex jira NVIDIA GPU-yada casriga ah kuwaas oo si xawli ah u qabta hawlo badan oo isku dhufanaya oo ururinaya.
Dhageyso hagahanAI-waa laga sheekeeyay · ~2 min
They are the main reason a single GPU can train and run large neural networks orders of magnitude faster than general-purpose compute would allow.
Waxaa lagu soo bandhigay qaab-dhismeedka Volta ee 2017, Tensor Cores waa wareegyo u go'ay oo xisaabiya isku-dhufashada matrix yar oo lagu daro (D = A x B + C) hal hawlgal, halkii la samayn lahaa mid kasta hal mar ku dhufo koodhadhka CUDA ee caadiga ah. Sababtoo ah ku dhawaad lakab kasta oo ka mid ah shabakada neerfaha ayaa hoos u dhigta isku dhufashada matrixka, tani waxay la mid tahay xisaabta AI runtii u baahan tahay. Jiil kasta oo GPU ah ayaa ballaariyay waxa ay gacanta ku hayaan: Volta wuxuu sameeyay 4 × 4 FP16 tiles, halka markii dambe Ampere, Hopper, iyo Blackwell ay ku darsadeen qaabab hoose oo sax ah sida TF32, BF16, INT8, FP8, iyo FP4. Saxnaanta hoose waxay la macno tahay tirooyin badan oo la farsameeyay saacadiiba, si wayn kor loogu qaadayo wax soo saarka tababarka iyo ka-fiirsashada iyadoo la ilaalinayo saxnaanta la aqbali karo.
Tababarka moodooyinka luqadaha waaweyn sida transformers-yada qaabka GPT, halkaas oo balaayiin isku dhufasho matrix ah talaba kasta ay ku socdaan Tensor Cores ee BF16 ama FP8.
Ku socodsiinta qiimaynta-waqtiga-dhabta ah ee chatbots-ka iyo soo-saareyaasha sawirka, iyada oo la adeegsanayo tirooyinka INT8 ama FP8 si loogu adeego isticmaaleyaal badan halkii GPU.
Dardar gelinta NVIDIA DLSS ee ciyaaraha fiidyaha, halkaas oo shabakada neural ay kor u qaaddo xayndaabyada xallinta hoose iyada oo la adeegsanayo Tensor Cores jir kasta.
Dadajinta xisaabinta sayniska sida borotiinka-lalaabista (AlphaFold) iyo moodooyinka cimilada ee dib loo habeeyey sidii culeysyo shaqo oo culus oo neerfaha ah.
Kooreyada Tensor-ku waxay sii wadaan inay u socdaan dhinaca saxda ah ee weligood-hooseeya: Hopper wuxuu ku daray FP8 iyo Blackwell wuxuu soo bandhigay 4-bit FP4 oo leh qalab lagu maamulo qalabka, oo qiyaas ahaan labanlaabaya soo saarista tallaabo kasta ee culeyska shaqo ee culus. Filo taageero adag oo loogu talagalay yaraynta (ka boodka miisaanka eber), qaababka mikroskooliga ee ku lifaaqa qodobbada cabbirka tiro yar oo tirooyin ah, iyo is-dhexgalka qoto dheer ee nidaamyada xusuusta si ay udubyadu u sii quudiyaan. Sida moodooyinka u koraan, mishiinka matrixka, ee aan ahayn xawaaraha saacada ceyriinka ah, ayaa weli ah goobta dagaalka dhexe ee waxqabadka qalabka AI.
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Tensor Cores waa unug qalab gaar ah oo ku dhex jira NVIDIA GPU-yada casriga ah kuwaas oo si xawli ah u qabta hawlo badan oo isku dhufanaya oo ururinaya. Iyagu waa sababta ugu weyn ee hal GPU uu u tababari karo oo uu maamuli karo shabakadaha neerfaha ee waaweyn amarada baaxadda leh ee ka dhaqso badan xisaabinta ujeeddada guud ay oggolaan karto.
Kooreyada Tensor-yadu waxay qabtaan isku-dhufashada matrix-ka isku dhafan iyo ururinta hal tallaabo, taas oo dhab ahaan ah hawlgalka xukuma lakabyada shabakada neerfaha.
Tensor Cores ayaa lagaga dooday qaab dhismeedka Volta sanadkii 2017, laga bilaabo hawlgalada FP16 4x4.
Isticmaalka xoogaa yar lambarkiiba waxay ka dhigan tahay in qiyam badan ay ku dhex socdaan qalabka wareeg kasta, si aad ah u kordhiya xawaaraha iyada oo yar, inta badan loo dulqaadan karo, luminta saxnaanta.
Wax-soo-galyadu waxay noqon karaan kuwo sax ah oo hooseeya, laakiin ururiyaha badanaa wuxuu ku shaqeeyaa si sax ah oo sarreeya sida FP32 si loo xaddido dhisidda khaladaadka wareegga.
Maktabadaha hoose waxay si toos ah u jebiyaan hawlgallada matrix-yada waaweyn ee loo yaqaan 'Tensor-Core tiles' si toos ah, marka qaab-dhismeedyadu waxay helayaan xawaaraha iyada oo aan gacanta lagu qorin.
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