{"id":38437,"date":"2019-10-31T22:23:44","date_gmt":"2019-10-31T19:23:44","guid":{"rendered":"https:\/\/prohoster.info\/blog\/dzhim-keller-perspektivnye-mikroarhitektury-intel-obespechat-znachitelnyj-rost-proizvoditelnosti\/"},"modified":"2019-10-31T22:23:44","modified_gmt":"2019-10-31T19:23:44","slug":"dzhim-keller-perspektivnye-mikroarhitektury-intel-obespechat-znachitelnyj-rost-proizvoditelnosti","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/news\/dzhim-keller-perspektivnye-mikroarhitektury-intel-obespechat-znachitelnyj-rost-proizvoditelnosti","title":{"rendered":"Jim Keller: tulevased Intel'i mikroarhitektuurid tagavad m\u00e4rkimisv\u00e4\u00e4rse j\u00f5udluse kasvu","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Nagu \u00fctles Intel'i vanem asepresident tehnoloogia ja s\u00fcsteemi arhitektuuri alal Jim Keller, t\u00f6\u00f6tab tema ettev\u00f5te praegu t\u00e4iesti uue mikroarhitektuuri loomise kallal, mis peab olema \"oluliselt suurem ja l\u00e4hemal lineaarsele s\u00f5ltuvusele tootlikkusest transistorite arvust\" kui t\u00e4nap\u00e4evane Sunny Cove disain. Ilmselt on see t\u00f5lgendatav nii, et m\u00f5ne aasta p\u00e4rast saame protsessori, mis on oluliselt keerulisem ja oluliselt v\u00f5imekam kui need CPU-d, mida mikroprotsessorigigant praegu pakub.<\/p>\n

Uus mikroarhitektuur Sunny Cove, mida Intel rakendab uutes Ice Lake p\u00f5lvkonna protsessorites, on olnud t\u00f5sine l\u00e4bimurre, kuna p\u00e4rast pika eemaloleku perioodi on see m\u00e4rkimisv\u00e4\u00e4rselt t\u00f5stnud IPC (juhiseid takti kohta). Kuid protsessoriguru Jim Keller, kes t\u00f6\u00f6tab praegu Intel'is, \u00fctleb, et see ei ole kaugeltki l\u00f5pp-punkt. Ta t\u00f6\u00f6tab n\u00fc\u00fcd j\u00e4rgmise p\u00f5lvkonna mikroarhitektuuri kallal, mis suudab t\u00e4ielikult \u00e4ra kasutada oodatavat transistorite eelarve kordset suurenemist, mis peaks toimuma j\u00e4rgmiste aastate jooksul.<\/p>\n

\"Jim<\/p>\n

Intel'i hinnangute kohaselt ulatub Sunny Cove tuumade eeliste v\u00f5imekus Coffee Lake tuumade ees spetsiaalse tootlikkuse osas kuni 15\u201318% (sama taktsageduse korral). Siiski \u00fcletab Sunny Cove transistorite eelarve eelk\u00e4ija omad t\u00e4htsama suuruse, ulatudes ligikaudu 38% -ni. Keller'i jagatud teabe kohaselt koosneb Sunny Cove mikroarhitektuuri tuum umbes 300 miljonist 10-nm transistorist, samas kui Coffee Lake tuumas on umbes 217 miljonit 14-nm transistorit. Tulemuseks on see, et Sunny Cove tootlikkuse kasv ei l\u00e4he lineaarse s\u00f5ltuvuseni transistorite eelarvest: j\u00f5udluse areng on osutunud umbes poole v\u00f5rra madalamaks kui pooljuhtkristalli keerukuse t\u00f5us. Keller'i arvates ei tohiks see nii olla.<\/p>\n

Esinedes loengul Berkeley \u00fclikoolis, arutas Intel'i juhtiv spetsialist Intel'i protsessorite mikroarhitektuuride arengut ja r\u00e4\u00e4kides ei j\u00e4tnud ta Sunny Cove'i mainimata, vaid m\u00e4rkis v\u00f5imaliku selle mikroarhitektuuri j\u00e4rglase kohta: \"Sunny Cove t\u00f6\u00f6tab korraga 800 instruktsiooni, t\u00e4ites 3 kuni 6 x86-instruktsiooni takti jooksul... Tal on massiivsed andmeennustajad, massiivsed harude ennustajad. Kuid me t\u00f6\u00f6tame mikroarhitektuuri p\u00f5lvkonna kallal, mis on palju suurem ning tootlikkuse kasvu seadus on l\u00e4hemal lineaarsusele. See on t\u00f5eliselt suur m\u00f5ttemuutus.\"<\/p>\n

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Kiri inseneri roll seisneb selles, et protsessorite loomine on veel kaugel hetkest, mil mingit piiri saavutatakse. Nagu \u00fctleb Keller, on Inteli tulevikusuunad ambitsioonikad, sealhulgas 50-kordne transistorite arvu suurenemine protsessorites ja t\u00f5sised parendused peaaegu igas funktsionaalses \u00fcksuses. Ja selles pole midagi v\u00f5imatut. Keller selgitab: «Arvutid luuakse tohutu hulga inimeste poolt, kuid tegelikult on see suur hulk v\u00e4ikeseid meeskondi. Saame parandada \u00fclemineku ennustusi, k\u00e4skude kogumit, arhitektuuri, tegeleda optimeerimisega, kasutada paremaid projekteerimise t\u00f6\u00f6riistu ja parimaid raamatukogusid. Erinevate uuenduste rakenduskohtade arv on tegelikult v\u00e4ga ja v\u00e4ga suur.»<\/p>\n

\"Jim<\/p>\n

Intel'i praeguses avalikus plaanis on kaks iteratsiooni mikroarhitektuuri t\u00e4iustamiseks p\u00e4rast Sunny Cove'i. J\u00e4rgmises disainis Willow Cove, nagu on lubatud, peaksid toimuma muutused vahem\u00e4lu alams\u00fcsteemis ja \u00fcleminek uuele pooljuhttehnoloogiale (t\u00f5en\u00e4oliselt 7 nm). Seej\u00e4rel Golden Cove'is suurendatakse \u00fchetuumalist j\u00f5udlust ja keskendutakse tehisintellekti \u00fclesannete t\u00f6\u00f6tlemisele koos optimeeringutega, mis on vajalikud parema j\u00f5udluse saavutamiseks viienda p\u00f5lvkonna v\u00f5rgus. V\u00f5ib-olla m\u00f5tles Jim Keller oma ettekandes just Golden Cove'ile, kuigi selle kohta ei \u00f6eldud midagi konkreetset.<\/p>\n

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Allikas: 3dnews.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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