{"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\/da\/blog\/news\/kompaniya-sifive-predstavila-yadro-risc-v-operezhayushhee-po-proizvoditelnosti-arm-cortex-a78","title":{"rendered":"SiFive pr\u00e6senterer RISC-V kerne, der overg\u00e5r ARM Cortex-A78 i ydeevne","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Virksomheden SiFive, grundlagt af skaberne af RISC-V-arkitekturen og tidligere ansvarlig for den f\u00f8rste prototype af en processor baseret p\u00e5 RISC-V, har pr\u00e6senteret et nyt RISC-V CPU-kerne i SiFive Performance-serien, som er 50 % hurtigere end den tidligere topkerne P550 og overg\u00e5r ARM Cortex-A78 i ydeevne, den mest kraftfulde processor baseret p\u00e5 ARM-arkitekturen. SoC baseret p\u00e5 den nye kerne er prim\u00e6rt rettet mod serversystemer og arbejdsstationer, men der er ogs\u00e5 mulighed for at skabe nedskalerede versioner til mobile og indlejrede enheder.    <\/p>\n<p>Det er blevet meddelt, at den nye processorkernel SiFive sammenlignet med P550 indeholder 16 MB L3-cache i stedet for 4 MB, kan kombinere op til 16 kerner i \u00e9n chip i stedet for 4, arbejder med frekvenser op til 3,5 GHz i stedet for 2,4 GHz, underst\u00f8tter DDR5-hukommelse og PCI-Express 5.0-bussen. Den generelle arkitektur af den nye kerne ligner P550 og har ogs\u00e5 en modul\u00e6r opbygning, der muligg\u00f8r tilf\u00f8jelse af ekstra blokke med specialiserede acceleratorer eller GPU'er til SoC. Detaljer forventes offentliggjort i december, og data RTL, der er klar til eksperimenter p\u00e5 FPGA, vil blive offentliggjort n\u00e6ste \u00e5r.        <\/p>\n<p>RISC-V tilbyder et \u00e5bent og fleksibelt maskininstruktionssystem, der muligg\u00f8r oprettelsen af helt \u00e5bne SoC'er og mikroprocessorer til vilk\u00e5rlige anvendelsesomr\u00e5der, uden at der kr\u00e6ves royalties eller stilles betingelser for brug. I \u00f8jeblikket udvikles der 111 varianter af mikroprocessor-kernespecifikationer baseret p\u00e5 RISC-V af forskellige virksomheder og f\u00e6llesskaber under forskellige \u00e5bne licenser (BSD, MIT, Apache 2.0), samt 31 platforme, 12 SoC'er og 12 f\u00e6rdige produkter.<br \/>\n<br \/>Kilde: <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 5.0.3 - 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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