{"id":100740,"date":"2021-07-12T04:22:42","date_gmt":"2021-07-12T02:22:43","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/gotov-k-proizvodstvu-pervyj-prototip-otkrytogo-chipa-libre-soc"},"modified":"2021-07-12T04:22:42","modified_gmt":"2021-07-12T02:22:43","slug":"gotov-k-proizvodstvu-pervyj-prototip-otkrytogo-chipa-libre-soc","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pl\/blog\/news\/gotov-k-proizvodstvu-pervyj-prototip-otkrytogo-chipa-libre-soc","title":{"rendered":"Gotowy do produkcji pierwszy prototyp otwartego chipa Libre-SOC","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Projekt Libre-SOC, rozwijaj\u0105cy otwarty chip z realizacj\u0105 hybrydowej architektury w stylu CDC 6600, w kt\u00f3rej dla zmniejszenia rozmiaru i z\u0142o\u017cono\u015bci chipa instrukcje CPU, VPU i GPU nie s\u0105 rozdzielone i proponowane w jednym ISA, osi\u0105gn\u0105\u0142 etap przekazania do produkcji pierwszego testowego egzemplarza. Pocz\u0105tkowo projekt rozwija\u0142 si\u0119 pod nazw\u0105 Libre RISC-V, ale zosta\u0142 przemianowany na Libre-SOC po decyzji o zast\u0105pieniu RISC-V architektur\u0105 zestawu instrukcji (ISA) OpenPOWER 3.0.     <\/p>\n<p>Projekt ma na celu stworzenie pe\u0142noprawnego, ca\u0142kowicie otwartego i nie wymagaj\u0105cego op\u0142at licencyjnych systemu na chipie (SoC), kt\u00f3ry mo\u017cna b\u0119dzie wykorzysta\u0107 w komputerach jednop\u0142ytowych, netbookach i r\u00f3\u017cnych przeno\u015bnych urz\u0105dzeniach. Opr\u00f3cz standardowych instrukcji CPU i rejestr\u00f3w og\u00f3lnego przeznaczenia, Libre-SOC oferuje w jednym bloku funkcjonalnym procesora mo\u017cliwo\u015bci wykonywania operacji wektorowych i specjalistycznych oblicze\u0144, typowych dla VPU i GPU. Chip wykorzystuje architektur\u0119 zestawu instrukcji OpenPOWER, rozszerzenie Simple-V z instrukcjami do wektoryzacji i przetwarzania r\u00f3wnoleg\u0142ego danych oraz specjalistyczne instrukcje do konwersji do ARGB i wykonywania typowych operacji 3D.     <\/p>\n<p>Instrukcje GPU skoncentrowane s\u0105 na u\u017cyciu z graficznym API Vulkan, a VPU na przyspieszeniu konwersji YUV-RGB i dekodowania format\u00f3w MPEG1\/2, MPEG4 ASP (xvid), H.264, H.265, VP8, VP9, AV1, MP3, AC3, Vorbis i Opus. Dla Mesa rozwijany jest wolny sterownik, kt\u00f3ry wykorzystuje mo\u017cliwo\u015bci Libre-SOC do zapewnienia sprz\u0119towo przyspieszonej programowej implementacji graficznego API Vulkan. Na przyk\u0142ad, shadery Vulkan mog\u0105 by\u0107 translacja przy u\u017cyciu silnika JIT do wykonania z wykorzystaniem dost\u0119pnych w Libre-SOC specjalistycznych instrukcji.    <\/p>\n<p>W nast\u0119pnym testowym prototypie planuje si\u0119 realizacj\u0119 rozszerzenia SVP64 (Variable-length Vectorisation), co pozwoli na u\u017cycie Libre-SOC jako procesora wektorowego (opr\u00f3cz 32 64-bitowych rejestr\u00f3w og\u00f3lnego przeznaczenia, udost\u0119pnionych zostanie 128 rejestr\u00f3w dla oblicze\u0144 wektorowych). Pierwszy prototyp obejmuje tylko jeden rdze\u0144 dzia\u0142aj\u0105cy z cz\u0119stotliwo\u015bci\u0105 300 MHz, ale w ci\u0105gu dw\u00f3ch lat planowane jest wydanie wersji czterordzeniowej, a nast\u0119pnie o\u015bmio rdzeniowej, a w d\u0142u\u017cszej perspektywie 64-rdzeniowej.    <\/p>\n<p>Pierwsza partia chipu zostanie wyprodukowana przez firm\u0119 TSMC z wykorzystaniem procesu technologicznego 180nm. Wszystkie osi\u0105gni\u0119cia projektu s\u0105 udost\u0119pniane na wolnych licencjach, w tym dost\u0119pne s\u0105 pliki w formacie GDS-II z opisem pe\u0142nej topologii chipu, wystarczaj\u0105cej do rozpocz\u0119cia w\u0142asnej produkcji. Libre-SOC stanie si\u0119 pierwszym w pe\u0142ni niezale\u017cnym chipem opartym na architekturze Power, wyprodukowanym nie przez firm\u0119 IBM. W trakcie opracowywania u\u017cyto j\u0119zyka opisu sprz\u0119tu nMigen (HDL oparty na Pythonie, bez u\u017cycia VHDL i Verilog), bibliotek standardowych kom\u00f3rek FlexLib z projektu Chips4Makers oraz wolnego narz\u0119dzia VLSI Coriolis2 do konwersji z HDL do GDS-II.    <\/p>\n<p>Rozw\u00f3j Libre-SOC zosta\u0142 sfinansowany przez fundacj\u0119 NLnet Foundation, kt\u00f3ra przeznaczy\u0142a 400 tysi\u0119cy euro na stworzenie ca\u0142kowicie otwartego uk\u0142adu w ramach programu tworzenia weryfikowalnych i godnych zaufania rozwi\u0105za\u0144 technicznych. Uk\u0142ad ma wymiary 5,5\u00d75,9 mm i zawiera 130 tysi\u0119cy bramek logicznych. W sk\u0142ad wchodz\u0105 cztery modu\u0142y SRAM po 4 kB oraz blok PLL o cz\u0119stotliwo\u015bci 300 MHz.          <center><img decoding=\"async\" alt=\"Gotowy do produkcji pierwszy prototyp otwartego chipa Libre-SOC\" src=\"\/wp-content\/uploads\/2021\/07\/e0201b9490af3c393166c02a73bc6106.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/center><br \/>\n<br \/>\u0179r\u00f3d\u0142o: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=55473\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u0440\u043e\u0435\u043a\u0442 Libre-SOC, \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u044e\u0449\u0438\u0439 \u043e\u0442\u043a\u0440\u044b\u0442\u044b\u0439 \u0447\u0438\u043f \u0441 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0435\u0439 \u0433\u0438\u0431\u0440\u0438\u0434\u043d\u043e\u0439 \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440\u044b \u0432 \u0441\u0442\u0438\u043b\u0435 CDC 6600, \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u0439 \u0434\u043b\u044f \u0443\u043c\u0435\u043d\u044c\u0448\u0435\u043d\u0438\u044f \u0440\u0430\u0437\u043c\u0435\u0440\u0430 \u0438 \u0441\u043b\u043e\u0436\u043d\u043e\u0441\u0442\u0438 \u0447\u0438\u043f\u0430 \u0438\u043d\u0441\u0442\u0440\u0443\u043a\u0446\u0438\u0438 CPU, VPU \u0438 GPU \u043d\u0435 \u0440\u0430\u0437\u0434\u0435\u043b\u0435\u043d\u044b \u0438 \u043f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d\u044b \u0432 \u043e\u0434\u043d\u043e\u043c ISA, \u0434\u043e\u0441\u0442\u0438\u0433 \u0441\u0442\u0430\u0434\u0438\u0438 \u043f\u0435\u0440\u0435\u0434\u0430\u0447\u0438 \u0432 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0441\u0442\u0432\u043e \u043f\u0435\u0440\u0432\u043e\u0433\u043e \u0442\u0435\u0441\u0442\u043e\u0432\u043e\u0433\u043e \u043e\u0431\u0440\u0430\u0437\u0446\u0430. \u0418\u0437\u043d\u0430\u0447\u0430\u043b\u044c\u043d\u043e \u043f\u0440\u043e\u0435\u043a\u0442 \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u043b\u0441\u044f \u043f\u043e\u0434 \u0438\u043c\u0435\u043d\u0435\u043c Libre RISC-V, \u043d\u043e \u0431\u044b\u043b \u043f\u0435\u0440\u0435\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d \u0432 Libre-SOC \u043f\u043e\u0441\u043b\u0435 \u0440\u0435\u0448\u0435\u043d\u0438\u044f [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":100741,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-100740","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041f\u0440\u043e\u0435\u043a\u0442 Libre-SOC, 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