{"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\/it\/blog\/news\/cerebras-protsessor-dlya-ii-neveroyatnyh-razmerov-i-vozmozhnostej","title":{"rendered":"Cerebras \u2015 un processore per IA di dimensioni e capacit\u00e0 incredibili","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Annuncio del processore Cerebras \u2015 Cerebras Wafer Scale Engine (WSE) o motore Cerebras in scala wafer \u2015 <noindex><a rel=\"nofollow noopener noreferrer\" href=\"https:\/\/www.hpcwire.com\/off-the-wire\/cerebras-systems-unveils-the-industrys-first-trillion-transistor-chip\/\" target=\"_blank\">si \u00e8 svolto<\/a><\/noindex> Durante la conferenza annuale Hot Chips 31, sorprende non solo il fatto che questo mostro di silicio sia stato realizzato, ma anche il coraggio del progetto e il lavoro degli sviluppatori che hanno osato progettare un chip con un'area di 46.225 millimetri quadrati e lati di 21,5 cm. La produzione di un singolo processore richiede un'intera piastra da 300 mm. Con il minimo errore, il tasso di difetti \u00e8 del 100%, e il costo \u00e8 quasi impossibile da immaginare.<\/p>\n<p><img decoding=\"async\" alt=\"Cerebras \u2015 un processore per IA di dimensioni e capacit\u00e0 incredibili\" src=\"\/wp-content\/uploads\/2019\/08\/6ffb952be34a4dd92530ee09d6669cfb.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p>La produzione del Cerebras WSE \u00e8 gestita dalla TSMC. Il processo tecnologico \u00e8 a 16 nm FinFET. Anche questo produttore taiwanese merita un monumento per aver prodotto Cerebras. La realizzazione di un chip simile ha richiesto abilit\u00e0 di alto livello e la risoluzione di molteplici problemi, ma ne \u00e8 valsa la pena, assicurano gli sviluppatori. Il chip Cerebras \u00e8 praticamente un supercomputer su un chip con un'incredibile capacit\u00e0 di trasmissione, minimo consumo e fantastico parallelismo. Al momento, \u00e8 la soluzione ideale per il machine learning, che permetter\u00e0 ai ricercatori di affrontare compiti di straordinaria complessit\u00e0.<\/p>\n<p><img decoding=\"async\" alt=\"Cerebras \u2015 un processore per IA di dimensioni e capacit\u00e0 incredibili\" src=\"\/wp-content\/uploads\/2019\/08\/fde91a77742de275758f21476ef1c235.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<\/center><\/p>\n<p>Ogni chip Cerebras WSE contiene 1,2 trilioni di transistor, organizzati in 400.000 nuclei di elaborazione ottimizzati per l'IA e 18 GB di memoria SRAM distribuita locale. Il tutto \u00e8 connesso attraverso una rete a celle con una capacit\u00e0 complessiva di 100 petabit al secondo. La larghezza di banda della memoria raggiunge 9 PB\/s. La gerarchia della memoria \u00e8 monolivello. Non ci sono memorie cache, non ci sono sovrapposizioni, e i ritardi di accesso sono minimi. Questa \u00e8 l'architettura ideale per accelerare le applicazioni legate all'IA. Dati concreti: in confronto ai pi\u00f9 moderni nuclei grafici, il chip Cerebras offre 3000 volte maggiore capacit\u00e0 di memoria sul chip e 10.000 volte maggiore velocit\u00e0 di accesso alla memoria.<\/p>\n<p><img decoding=\"async\" alt=\"Cerebras \u2015 un processore per IA di dimensioni e capacit\u00e0 incredibili\" src=\"\/wp-content\/uploads\/2019\/08\/89c6335e48881e16e75490f10be0db7f.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p>I nuclei di calcolo Cerebras \u2015 SLAC (Sparse Linear Algebra Cores) \u2015 sono completamente programmabili e possono essere ottimizzati per lavorare con qualsiasi rete neurale. Inoltre, l'architettura dei nuclei filtra inizialmente i dati rappresentati da zeri. Questo libera le risorse di calcolo dall'obbligo di eseguire operazioni di moltiplicazione per zero, il che per carichi di dati sparsi significa una maggiore velocit\u00e0 di calcolo e una massima efficienza energetica. In questo modo, il processore Cerebras si dimostra centinaia o addirittura migliaia di volte pi\u00f9 efficiente per il machine learning in termini di area del cristallo utilizzata e di consumo rispetto alle attuali soluzioni per l'IA e il machine learning.<\/p>\n<p><img decoding=\"async\" alt=\"Cerebras \u2015 un processore per IA di dimensioni e capacit\u00e0 incredibili\" src=\"\/wp-content\/uploads\/2019\/08\/d95c3563c08f57a8e1f6900e5748848a.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p>La produzione di un chip di dimensioni simili <noindex><a rel=\"nofollow noopener noreferrer\" href=\"https:\/\/www.anandtech.com\/show\/14758\/hot-chips-31-live-blogs-cerebras-wafer-scale-deep-learning\" target=\"_blank\">ha richiesto<\/a><\/noindex> una moltitudine di soluzioni uniche. \u00c8 stato necessario quasi assemblarlo manualmente. Ci sono stati problemi nell'alimentazione del cristallo e nel suo raffreddamento. Il raffreddamento \u00e8 stato possibile solo con un liquido e con l'organizzazione di una distribuzione zonale con circolazione verticale. Tuttavia, tutti i problemi sono stati risolti e il chip \u00e8 risultato funzionante. Sar\u00e0 interessante conoscere il suo utilizzo pratico.<\/p>\n<p><img decoding=\"async\" alt=\"Cerebras \u2015 un processore per IA di dimensioni e capacit\u00e0 incredibili\" src=\"\/wp-content\/uploads\/2019\/08\/8bcb96e6b8e055f25bc93c6d4c22c5b4.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><center><\/p>\n<p><\/center><\/p>\n<p>\t\t\t\t<center><br \/>\n\t\t\t\t\t\t\t\t<\/center><br \/>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/3dnews.ru\/992698\">3dnews.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\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 \u0432\u044b\u043f\u0443\u0441\u0442\u0438\u0442\u044c \u0432\u043e \u043f\u043b\u043e\u0442\u0438. \u0423\u0434\u0438\u0432\u043b\u044f\u0435\u0442 \u0441\u043c\u0435\u043b\u043e\u0441\u0442\u044c \u0437\u0430\u043c\u044b\u0441\u043b\u0430 \u0438 \u0442\u0440\u0443\u0434 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u043e\u0432, \u0440\u0438\u0441\u043a\u043d\u0443\u0432\u0448\u0438\u0445 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0430\u0442\u044c \u043a\u0440\u0438\u0441\u0442\u0430\u043b\u043b \u043f\u043b\u043e\u0449\u0430\u0434\u044c\u044e 46 225 \u043a\u0432\u0430\u0434\u0440\u0430\u0442\u043d\u044b\u0445 \u043c\u0438\u043b\u043b\u0438\u043c\u0435\u0442\u0440\u043e\u0432 \u0441\u043e \u0441\u0442\u043e\u0440\u043e\u043d\u0430\u043c\u0438 [&hellip;]<\/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<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0410\u043d\u043e\u043d\u0441 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