{"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\/ro\/blog\/news\/dzhim-keller-perspektivnye-mikroarhitektury-intel-obespechat-znachitelnyj-rost-proizvoditelnosti","title":{"rendered":"Jim Keller: microarhitecturi promi\u021b\u0103toare Intel vor asigura o cre\u0219tere semnificativ\u0103 a performan\u021bei","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Potrivit informa\u021biilor oferite lumii de Jim Keller, vicepre\u0219edinte senior al tehnologiilor \u0219i arhitecturii sistemelor Intel, compania sa lucreaz\u0103 \u00een prezent la crearea unei microarhitecturi complet noi, care ar trebui s\u0103 fie \u201esemnificativ mai mare \u0219i mai aproape de o dependen\u021b\u0103 liniar\u0103 a performan\u021bei de num\u0103rul de tranzistori\u201d dec\u00e2t designul actual Sunny Cove. Se pare c\u0103 aceasta trebuie interpretat\u0103 \u00een sensul c\u0103, \u00een c\u00e2\u021biva ani, vom ob\u021bine un procesor care va fi cu mult mai complex \u0219i mult mai performant dec\u00e2t acei CPU pe care gigantul microprocesorului \u00eei ofer\u0103 \u00een prezent.<\/p>\n

Noua microarhitectur\u0103 Sunny Cove, pe care Intel o folose\u0219te \u00een noile procesoare din genera\u021bia Ice Lake, a fost o adev\u0103rat\u0103 revolu\u021bie, deoarece, dup\u0103 o perioad\u0103 destul de lung\u0103 de pauz\u0103, a crescut semnificativ indicele IPC (num\u0103rul de instruc\u021biuni executate pe ciclu). Totu\u0219i, guru-ul procesorului Jim Keller, care \u00een prezent lucreaz\u0103 la Intel, spune c\u0103 aceasta nu este, cu siguran\u021b\u0103, finalitatea. Acum, el lucreaz\u0103 la urm\u0103toarea genera\u021bie de microarhitectur\u0103, care va putea profita din plin de cre\u0219terea semnificativ\u0103 a bugetului de tranzistori a\u0219teptat\u0103 \u00een urm\u0103torii c\u00e2\u021biva ani.<\/p>\n

\"Jim<\/p>\n

Conform estim\u0103rilor Intel, avantajul nucleelor Sunny Cove \u00een compara\u021bie cu nuclee Coffee Lake \u00een ceea ce prive\u0219te performan\u021ba specific\u0103 atinge 15\u201318% (la aceea\u0219i frecven\u021b\u0103 de ceas). Cu toate acestea, bugetul de tranzistori pentru Sunny Cove dep\u0103\u0219e\u0219te bugetul predecesorului cu o marj\u0103 semnificativ\u0103 \u2014 \u00een jur de 38%. Potrivit informa\u021biilor dezv\u0103luite de Keller, un nucleu cu microarhitectur\u0103 Sunny Cove este compus din aproximativ 300 de milioane de tranzistori de 10 nm, \u00een timp ce nucleul Coffee Lake con\u021bine \u00een jur de 217 milioane de tranzistori de 14 nm. A\u0219adar, cre\u0219terea performan\u021bei \u00een Sunny Cove nu atinge dependen\u021ba liniar\u0103 de dimensiunea bugetului de tranzistori: progresul \u00een performan\u021b\u0103 s-a dovedit a fi de aproximativ dou\u0103 ori mai mic dec\u00e2t cre\u0219terea complexit\u0103\u021bii cristalului semiconductor. \u00cen opinia lui Keller, acest lucru nu ar trebui s\u0103 se \u00eent\u00e2mple.<\/p>\n

Vorbind \u00eentr-o conferin\u021b\u0103 la Universitatea Berkeley, un specialist de frunte de la Intel a abordat evolu\u021bia microarhitecturilor procesoarelor Intel \u0219i, \u00een discu\u021bie, nu s-a oprit la Sunny Cove, ci a men\u021bionat un posibil succesor al acestei microarhitecturi: \u201eSunny Cove opereaz\u0103 cu 800 de instruc\u021biuni simultan, execut\u00e2nd \u00eentre 3 \u0219i 6 instruc\u021biuni x86 pe ciclu\u2026 Are predictoare masive de date, predictoare masive de salturi. Dar lucr\u0103m la o genera\u021bie de microarhitectur\u0103 care este semnificativ mai mare, iar legea cre\u0219terii performan\u021bei este mai aproape de linear. Este cu adev\u0103rat o schimbare serioas\u0103 de g\u00e2ndire.\u201d<\/p>\n

<\/center><\/p>\n

Pozi\u021bia inginerului star este c\u0103 construc\u021bia de procesoare este \u00eenc\u0103 departe de a atinge un anumit plafon. A\u0219a cum spune Keller, Intel are planuri ambi\u021bioase pentru viitor, printre care se num\u0103r\u0103 o cre\u0219tere de 50 de ori a num\u0103rului de tranzistori din procesoare \u0219i \u00eembun\u0103t\u0103\u021biri semnificative \u00een aproape fiecare modul func\u021bional. \u0218i nu este nimic imposibil \u00een asta. A\u0219a cum explic\u0103 Keller: \u00abComputerele sunt create de un num\u0103r uria\u0219 de oameni, dar, \u00een realitate, este un num\u0103r mare de colective mici. Po\u021bi \u00eembun\u0103t\u0103\u021bi predic\u021biile de tranzi\u021bii, setul de instruc\u021biuni, arhitectura, po\u021bi lucra la optimizare, folosi instrumente de proiectare mai avansate \u0219i cele mai bune biblioteci. Num\u0103rul diferitelor puncte de aplicare, unde exist\u0103 loc pentru inova\u021bii, este \u00een realitate foarte, foarte mare.\u00bb<\/p>\n

\"Jim<\/p>\n

Planurile publice actuale ale Intel includ dou\u0103 itera\u021bii de perfec\u021bionare a microarhitecturii dup\u0103 Sunny Cove. \u00cen urm\u0103torul design, Willow Cove, a\u0219a cum a fost promis, ar trebui s\u0103 aib\u0103 loc modific\u0103ri \u00een subsistemul memoriei cache \u0219i trecerea la o nou\u0103 tehnologie semiconductor (probabil, 7 nm). Apoi, \u00een Golden Cove, se va \u00eembun\u0103t\u0103\u021bi performan\u021ba pe un singur fir \u0219i se va pune accent pe lucrul cu sarcini de inteligen\u021b\u0103 artificial\u0103 \u00eempreun\u0103 cu optimiz\u0103rile necesare pentru o performan\u021b\u0103 mai bun\u0103 \u00een re\u021belele de genera\u021bie a cincea. Este posibil ca \u00een raportul s\u0103u, Jim Keller s\u0103 fi avut \u00een minte chiar Golden Cove, de\u0219i nu s-a specificat nimic \u00een acest sens.<\/p>\n

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

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