{"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\/sv\/blog\/news\/cerebras-protsessor-dlya-ii-neveroyatnyh-razmerov-i-vozmozhnostej","title":{"rendered":"Cerebras \u2013 en processor f\u00f6r AI av enorma storlekar och kapaciteter","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Tillk\u00e4nnagivande av processorn Cerebras \u2015 Cerebras Wafer Scale Engine (WSE) eller Cerebras skala av kiselplatta \u2015 har \u00e4gt rum<\/a><\/noindex> Under den \u00e5rliga konferensen Hot Chips 31. Det \u00e4r inte bara imponerande att denna siliciumgigan kunde produceras. Det \u00e4r ocks\u00e5 modet i designen och arbetet fr\u00e5n utvecklarna som v\u00e5gade skapa en kristall med en yta p\u00e5 46 225 kvadratmillimeter och sidor som \u00e4r 21,5 cm l\u00e5nga. Tillverkningen av en enda processor kr\u00e4ver en hel 300 mm skiva. Vid minsta fel \u00e4r felprocenten 100 %, och kostnaden f\u00f6r detta \u00e4r sv\u00e5r att f\u00f6rest\u00e4lla sig.<\/p>\n

\"Cerebras<\/p>\n

Utvecklingen av Cerebras WSE hanteras av f\u00f6retaget TSMC. Tillverkningsprocessen \u00e4r 16 nm FinFET. Denna taiwanesiska tillverkare f\u00f6rtj\u00e4nar ocks\u00e5 ett monument f\u00f6r att ha sl\u00e4ppt Cerebras. Produktionen av en s\u00e5dan chip kr\u00e4vde h\u00f6gsta hantverk och l\u00f6sningar p\u00e5 massor av problem, men det var v\u00e4rt det, f\u00f6rs\u00e4krar utvecklarna. Cerebras-chippet \u00e4r faktiskt en superdator p\u00e5 en chip med otrolig bandbredd, minimal f\u00f6rbrukning och fantastisk parallellism. I nul\u00e4get \u00e4r detta en perfekt l\u00f6sning f\u00f6r maskininl\u00e4rning, som kommer att m\u00f6jligg\u00f6ra f\u00f6r forskare att b\u00f6rja l\u00f6sa extremt komplexa uppgifter.<\/p>\n

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

Varje Cerebras WSE-kristall inneh\u00e5ller 1,2 biljoner transistorer, organiserade i 400 000 AI-optimerade ber\u00e4kningsk\u00e4rnor och 18 GB lokal distribuerad SRAM-minne. Allt \u00e4r kopplat med en n\u00e4tverksstruktur med en total prestanda p\u00e5 100 petabit per sekund. Minnebandbredden n\u00e5r 9 PB\/s. Minnehierarkin \u00e4r enkelskiktad. Det finns ingen cache-minne, inga \u00f6verlappningar, och f\u00f6rdr\u00f6jningen \u00e4r minimal. Detta \u00e4r den perfekta arkitekturen f\u00f6r acceleration av AI-relaterade uppgifter. Bara siffror: i j\u00e4mf\u00f6relse med de mest moderna grafikk\u00e4rnorna ger Cerebras-chippet 3000 g\u00e5nger mer minne per kristall och 10 000 g\u00e5nger snabbare minnesutbyte.<\/p>\n

\"Cerebras<\/p>\n

Cerebras ber\u00e4kningsk\u00e4rnor \u2013 SLAC (Sparse Linear Algebra Cores) \u2013 \u00e4r helt programmerbara och kan optimeras f\u00f6r alla typer av neurala n\u00e4tverk. Dessutom filtrerar k\u00e4rnarkitekturen ursprungligen data som inneh\u00e5ller nollor. Detta frig\u00f6r ber\u00e4kningsresurser fr\u00e5n att utf\u00f6ra on\u00f6diga multiplikationer med noll, vilket i fallet med sporadiska data inneb\u00e4r en \u00f6kning av ber\u00e4kningshastigheten och extrem energieffektivitet. D\u00e4rmed visar sig Cerebras-processorn vara hundratals eller till och med tusentals g\u00e5nger mer effektiv f\u00f6r maskininl\u00e4rning i termer av den anv\u00e4nda kiselarean och dess energif\u00f6rbrukning j\u00e4mf\u00f6rt med aktuella l\u00f6sningar f\u00f6r AI och maskininl\u00e4rning.<\/p>\n

\"Cerebras<\/p>\n

Tillverkningen av en chip av denna storlek kr\u00e4vde<\/a><\/noindex> en m\u00e4ngd unika l\u00f6sningar. Den fick n\u00e4stan packas f\u00f6r hand. Det uppstod problem med att f\u00f6rse kristallen med str\u00f6m och kyla den. V\u00e4rmeavledning blev m\u00f6jlig f\u00f6rst med hj\u00e4lp av v\u00e4tska, och endast med en zonerad tillf\u00f6rsel med vertikal cirkulation. \u00c4nd\u00e5 l\u00f6stes alla problem och chippet blev funktionellt. Det kommer att bli intressant att veta mer om dess praktiska till\u00e4mpning.<\/p>\n

\"Cerebras<\/p>\n

<\/p>\n

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K\u00e4lla: 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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[…]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":28035,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-37370","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47Cerebras \u2013 en processor f\u00f6r AI av otroliga storlekar och kapaciteter | ProHoster","description":"Tillk\u00e4nnagivande av processorn Cerebras \u2015 Cerebras Wafer Scale Engine (WSE) eller Cerebras skala av kiselplatta 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