{"id":101722,"date":"2021-10-22T10:23:30","date_gmt":"2021-10-22T08:23:30","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/kompaniya-sifive-predstavila-yadro-risc-v-operezhayushhee-po-proizvoditelnosti-arm-cortex-a78"},"modified":"2021-10-22T10:23:30","modified_gmt":"2021-10-22T08:23:30","slug":"kompaniya-sifive-predstavila-yadro-risc-v-operezhayushhee-po-proizvoditelnosti-arm-cortex-a78","status":"publish","type":"post","link":"https:\/\/prohoster.info\/fr\/blog\/news\/kompaniya-sifive-predstavila-yadro-risc-v-operezhayushhee-po-proizvoditelnosti-arm-cortex-a78","title":{"rendered":"La soci\u00e9t\u00e9 SiFive a pr\u00e9sent\u00e9 un c\u0153ur RISC-V d\u00e9passant en performance l'ARM Cortex-A78.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>La soci\u00e9t\u00e9 SiFive, fond\u00e9e par les cr\u00e9ateurs de l'architecture de jeu d'instructions RISC-V et ayant pr\u00e9par\u00e9 le premier prototype de processeur bas\u00e9 sur RISC-V, a pr\u00e9sent\u00e9 un nouveau c\u0153ur CPU RISC-V dans la gamme SiFive Performance, qui est 50% plus rapide que l'ancien c\u0153ur haut de gamme P550 et surpasse en performance l'ARM Cortex-A78, le processeur le plus puissant bas\u00e9 sur l'architecture ARM. Les SoC bas\u00e9s sur ce nouveau c\u0153ur sont principalement destin\u00e9s aux syst\u00e8mes serveur et stations de travail, mais une version simplifi\u00e9e pour appareils mobiles et embarqu\u00e9s est \u00e9galement envisageable.    <\/p>\n<p>Il a \u00e9t\u00e9 annonc\u00e9 qu'en comparaison avec le P550, le nouveau c\u0153ur de processeur SiFive contient 16 Mo de cache L3 au lieu de 4 Mo, peut combiner jusqu'\u00e0 16 c\u0153urs sur une seule puce au lieu de 4, fonctionne \u00e0 une fr\u00e9quence allant jusqu'\u00e0 3,5 GHz au lieu de 2,4 GHz, et supporte la m\u00e9moire DDR5 ainsi que le bus PCI-Express 5.0. L'architecture globale de ce nouveau c\u0153ur est proche de celle du P550 et a \u00e9galement un caract\u00e8re modulaire, permettant l'ajout de blocs suppl\u00e9mentaires dans les SoC avec des acc\u00e9l\u00e9rateurs sp\u00e9cialis\u00e9s ou des GPU. Les d\u00e9tails seront publi\u00e9s en d\u00e9cembre, et les donn\u00e9es RTL pr\u00eates pour des exp\u00e9riences sur FPGA seront publi\u00e9es l'ann\u00e9e prochaine.        <\/p>\n<p>RISC-V fournit un syst\u00e8me d'instructions de machine ouvert et flexible, permettant de cr\u00e9er des SoC et des microprocesseurs enti\u00e8rement ouverts pour des domaines d'application vari\u00e9s, sans n\u00e9cessiter de redevances ni imposer de conditions d'utilisation. Actuellement, bas\u00e9es sur la sp\u00e9cification RISC-V, diverses entreprises et communaut\u00e9s d\u00e9veloppent 111 variations de c\u0153urs de microprocesseurs, 31 plateformes, 12 SoC et 12 produits finis sous diff\u00e9rentes licences libres (BSD, MIT, Apache 2.0).<br \/>\n<br \/>Source : <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=56013\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f SiFive, \u043e\u0441\u043d\u043e\u0432\u0430\u043d\u043d\u0430\u044f \u0441\u043e\u0437\u0434\u0430\u0442\u0435\u043b\u044f\u043c\u0438 \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440\u044b \u043d\u0430\u0431\u043e\u0440\u0430 \u043a\u043e\u043c\u0430\u043d\u0434 RISC-V \u0438 \u0432 \u0441\u0432\u043e\u0451 \u0432\u0440\u0435\u043c\u044f \u043f\u043e\u0434\u0433\u043e\u0442\u043e\u0432\u0438\u0432\u0448\u0430\u044f \u043f\u0435\u0440\u0432\u044b\u0439 \u043f\u0440\u043e\u0442\u043e\u0442\u0438\u043f \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0440\u0430 \u043d\u0430 \u0431\u0430\u0437\u0435 RISC-V, \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u043b\u0430 \u043d\u043e\u0432\u043e\u0435 RISC-V \u044f\u0434\u0440\u043e CPU \u0432 \u043b\u0438\u043d\u0435\u0439\u043a\u0435 SiFive Performance, \u043a\u043e\u0442\u043e\u0440\u043e\u0435 \u043d\u0430 50% \u0431\u044b\u0441\u0442\u0440\u0435\u0435 \u043f\u0440\u043e\u0448\u043b\u043e\u0433\u043e \u0442\u043e\u043f\u043e\u0432\u043e\u0433\u043e \u044f\u0434\u0440\u0430 P550 \u0438 \u043e\u043f\u0435\u0440\u0435\u0436\u0430\u0435\u0442 \u043f\u043e \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u0438 ARM Cortex-A78, \u043d\u0430\u0438\u0431\u043e\u043b\u0435\u0435 \u043c\u043e\u0449\u043d\u044b\u0439 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0440 \u043d\u0430 \u0431\u0430\u0437\u0435 \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440\u044b ARM. SoC \u043d\u0430 \u0431\u0430\u0437\u0435 \u043d\u043e\u0432\u043e\u0433\u043e \u044f\u0434\u0440\u0430 \u043e\u0440\u0438\u0435\u043d\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u044b [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-101722","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f SiFive, \u043e\u0441\u043d\u043e\u0432\u0430\u043d\u043d\u0430\u044f \u0441\u043e\u0437\u0434\u0430\u0442\u0435\u043b\u044f\u043c\u0438 \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440\u044b \u043d\u0430\u0431\u043e\u0440\u0430 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