{"id":37370,"date":"2019-10-31T22:17:15","date_gmt":"2019-10-31T19:17:15","guid":{"rendered":"https:\/\/prohoster.info\/blog\/cerebras-protsessor-dlya-ii-neveroyatnyh-razmerov-i-vozmozhnostej\/"},"modified":"2019-10-31T22:17:15","modified_gmt":"2019-10-31T19:17:15","slug":"cerebras-protsessor-dlya-ii-neveroyatnyh-razmerov-i-vozmozhnostej","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/cerebras-protsessor-dlya-ii-neveroyatnyh-razmerov-i-vozmozhnostej","title":{"rendered":"Cerebras \u2015 procesor pro AI neuv\u011b\u0159iteln\u00fdch rozm\u011br\u016f a mo\u017enost\u00ed","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Anotace procesoru Cerebras \u2015 Cerebras Wafer Scale Engine (WSE) nebo motoru Cerebras m\u011b\u0159\u00edtka k\u0159em\u00edkov\u00e9 desky \u2015 se uskute\u010dnilo<\/a><\/noindex> v r\u00e1mci ka\u017edoro\u010dn\u00ed konference Hot Chips 31. Na tomto k\u0159em\u00edkov\u00e9m monst\u0159e p\u0159ekvapuje nejen to, \u017ee se ho poda\u0159ilo vyrobit. P\u0159ekvapuje odvaha my\u0161lenky a \u00fasil\u00ed v\u00fdvoj\u00e1\u0159\u016f, kte\u0159\u00ed se odv\u00e1\u017eili vyvinout \u010dip o rozloze 46 225 \u010dtvere\u010dn\u00edch milimetr\u016f se stranami 21,5 cm. Na v\u00fdrobu jednoho procesoru je pot\u0159eba cel\u00e1 300mm deska. P\u0159i nejmen\u0161\u00ed chyb\u011b je m\u00edra vadnosti 100 %, a cenu t\u00e9to z\u00e1le\u017eitosti je t\u011b\u017ek\u00e9 si p\u0159edstavit.<\/p>\n

\"Cerebras<\/p>\n

V\u00fdrobou Cerebras WSE se zab\u00fdv\u00e1 spole\u010dnost TSMC. V\u00fdrobn\u00ed proces \u2015 16 nm FinFET. Tento tchajwansk\u00fd v\u00fdrobce si tak\u00e9 zaslou\u017eil pomn\u00edk za v\u00fdrobu Cerebras. V\u00fdroba takov\u00e9ho \u010dipu vy\u017eadovala nejvy\u0161\u0161\u00ed dovednosti a \u0159e\u0161en\u00ed mnoha probl\u00e9m\u016f, ale st\u00e1lo to za to, ujistili v\u00fdvoj\u00e1\u0159i. \u010cip Cerebras \u2015 to je vlastn\u011b superpo\u010d\u00edta\u010d na \u010dipu s neuv\u011b\u0159itelnou propustnost\u00ed, minim\u00e1ln\u00ed spot\u0159ebou a fantastick\u00fdm paralelismem. V sou\u010dasnosti je to ide\u00e1ln\u00ed \u0159e\u0161en\u00ed pro strojov\u00e9 u\u010den\u00ed, kter\u00e9 umo\u017en\u00ed v\u011bdc\u016fm za\u010d\u00edt \u0159e\u0161it \u00fakoly mimo\u0159\u00e1dn\u00e9 slo\u017eitosti.<\/p>\n

\"Cerebras
\n<\/center><\/p>\n

Ka\u017ed\u00fd krystal Cerebras WSE obsahuje 1,2 bilionu tranzistor\u016f, uspo\u0159\u00e1dan\u00fdch do 400 000 j\u00e1der optimalizovan\u00fdch pro AI a 18 GB m\u00edstn\u00ed distribuovan\u00e9 pam\u011bti SRAM. To v\u0161e je spojeno s\u00ed\u0165ovou architekturou s celkov\u00fdm v\u00fdkonem 100 petabit\u016f za sekundu. Propustnost pam\u011bti dosahuje 9 Pbyte\/s. Hierarchie pam\u011bti je jednolayerov\u00e1. Nen\u00ed zde \u017e\u00e1dn\u00e1 cache, \u017e\u00e1dn\u00e9 p\u0159ekr\u00fdv\u00e1n\u00ed, latence p\u0159\u00edstupu jsou minim\u00e1ln\u00ed. Toto je ide\u00e1ln\u00ed architektura pro zrychlen\u00ed \u00faloh spojen\u00fdch s AI. \u010cist\u00e1 \u010d\u00edsla: ve srovn\u00e1n\u00ed s nejmodern\u011bj\u0161\u00edmi grafick\u00fdmi j\u00e1dry \u010dip Cerebras poskytuje 3000kr\u00e1t v\u011bt\u0161\u00ed objem pam\u011bti na \u010dipu a 10 000kr\u00e1t vy\u0161\u0161\u00ed rychlost v\u00fdm\u011bny s pam\u011b\u0165mi.<\/p>\n

\"Cerebras<\/p>\n

V\u00fdpo\u010detn\u00ed j\u00e1dra Cerebras \u2013 SLAC (Sparse Linear Algebra Cores) \u2013 jsou pln\u011b programovateln\u00e1 a mohou b\u00fdt optimalizov\u00e1na pro pr\u00e1ci s jakoukoli neuronovou s\u00edt\u00ed. Nav\u00edc architektura jader zpo\u010d\u00e1tku filtruje data prezentovan\u00e1 nulami. To uvol\u0148uje v\u00fdpo\u010detn\u00ed zdroje od nutnosti prov\u00e1d\u011bt zbyte\u010dn\u00e9 operace n\u00e1soben\u00ed nulou, co\u017e v p\u0159\u00edpad\u011b zat\u00ed\u017een\u00ed sparse dat znamen\u00e1 urychlen\u00ed v\u00fdpo\u010dt\u016f a maxim\u00e1ln\u00ed energetickou efektivitu. T\u00edm je procesor Cerebras stovky nebo dokonce tis\u00edcekr\u00e1t efektivn\u011bj\u0161\u00ed pro strojov\u00e9 u\u010den\u00ed v pom\u011bru k vyu\u017eit\u00e9 plo\u0161e krystalu a jeho spot\u0159eb\u011b ne\u017e aktu\u00e1ln\u00ed \u0159e\u0161en\u00ed pro AI a strojov\u00e9 u\u010den\u00ed.<\/p>\n

\"Cerebras<\/p>\n

V\u00fdroba \u010dipu takov\u00e9 velikosti vy\u017eadovala<\/a><\/noindex> spoustu unik\u00e1tn\u00edch \u0159e\u0161en\u00ed. Dokonce se musel t\u00e9m\u011b\u0159 ru\u010dn\u011b zabudovat do pouzdra. Vznikly probl\u00e9my s nap\u00e1jen\u00edm krystalu a jeho chlazen\u00edm. Odvod tepla byl mo\u017en\u00fd pouze pomoc\u00ed kapaliny a to pouze za organizace z\u00f3nov\u00e9ho p\u0159\u00edvodu s vertik\u00e1ln\u00ed cirkulac\u00ed. Nicm\u00e9n\u011b, v\u0161echny probl\u00e9my byly vy\u0159e\u0161eny a \u010dip se uk\u00e1zal jako funk\u010dn\u00ed. Bude zaj\u00edmav\u00e9 zjistit jeho praktick\u00e9 vyu\u017eit\u00ed.<\/p>\n

\"Cerebras<\/p>\n

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

\u0410\u043d\u043e\u043d\u0441 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0440\u0430 Cerebras \u2015 Cerebras Wafer Scale Engine (WSE) \u0438\u043b\u0438 \u0434\u0432\u0438\u0436\u043a\u0430 Cerebras \u043c\u0430\u0441\u0448\u0442\u0430\u0431\u0430 \u043a\u0440\u0435\u043c\u043d\u0438\u0435\u0432\u043e\u0439 \u043f\u043b\u0430\u0441\u0442\u0438\u043d\u044b \u2015 \u0441\u043e\u0441\u0442\u043e\u044f\u043b\u0441\u044f \u0432 \u0440\u0430\u043c\u043a\u0430\u0445 \u0435\u0436\u0435\u0433\u043e\u0434\u043d\u043e\u0439 \u043a\u043e\u043d\u0444\u0435\u0440\u0435\u043d\u0446\u0438\u0438 Hot Chips 31. \u0413\u043b\u044f\u0434\u044f \u043d\u0430 \u044d\u0442\u043e\u0433\u043e \u043a\u0440\u0435\u043c\u043d\u0438\u0435\u0432\u043e\u0433\u043e \u043c\u043e\u043d\u0441\u0442\u0440\u0430 \u0443\u0434\u0438\u0432\u043b\u044f\u0435\u0442 \u0434\u0430\u0436\u0435 \u043d\u0435 \u0442\u043e, \u0447\u0442\u043e \u0435\u0433\u043e \u0441\u043c\u043e\u0433\u043b\u0438 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