{"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\/hu\/blog\/news\/gotov-k-proizvodstvu-pervyj-prototip-otkrytogo-chipa-libre-soc","title":{"rendered":"Elk\u00e9sz\u00fclt az els\u0151 Libre-SOC ny\u00edlt chip protot\u00edpus gy\u00e1rt\u00e1sra.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

A Libre-SOC projekt egy ny\u00edlt chip fejleszt\u00e9se, amely a CDC 6600 st\u00edlus\u00fa hibrid architekt\u00far\u00e1t val\u00f3s\u00edtja meg. A chip m\u00e9ret\u00e9nek \u00e9s \u00f6sszetetts\u00e9g\u00e9nek cs\u00f6kkent\u00e9se \u00e9rdek\u00e9ben a CPU, VPU \u00e9s GPU utas\u00edt\u00e1sokat nem v\u00e1lasztj\u00e1k el, hanem egy ISA-ban javasolj\u00e1k. A projekt el\u00e9rte az els\u0151 tesztmint\u00e1ra val\u00f3 \u00e1tad\u00e1s szakasz\u00e1t. Eredetileg a Libre RISC-V n\u00e9ven indult, de a RISC-V architekt\u00fara cser\u00e9je ut\u00e1n Libre-SOC-ra nevezt\u00e9k \u00e1t, az OpenPOWER 3.0 utas\u00edt\u00e1sk\u00e9szlet (ISA) alkalmaz\u00e1s\u00e1val. <\/p>\n

A projekt c\u00e9lja, hogy teljesen ny\u00edlt, licencd\u00edj-mentes, rendszer-a-chip (SoC) megold\u00e1st hozzon l\u00e9tre, amelyet egylapos sz\u00e1m\u00edt\u00f3g\u00e9pekben, netbookokban \u00e9s k\u00fcl\u00f6nb\u00f6z\u0151 hordozhat\u00f3 eszk\u00f6z\u00f6kben lehet haszn\u00e1lni. A CPU-ra jellemz\u0151 utas\u00edt\u00e1sok \u00e9s \u00e1ltal\u00e1nos c\u00e9l\u00fa regiszterek mellett a Libre-SOC egyetlen funkcion\u00e1lis processzorelemk\u00e9nt biztos\u00edt funkci\u00f3kat vektori\u00e1lis m\u0171veletek \u00e9s a VPU \u00e9s GPU jellemz\u0151 sz\u00e1m\u00edt\u00e1si feladatok v\u00e9grehajt\u00e1s\u00e1hoz. A chip az OpenPOWER utas\u00edt\u00e1sk\u00e9szlet architekt\u00far\u00e1j\u00e1t, a Simple-V kiterjeszt\u00e9st haszn\u00e1lja, amely utas\u00edt\u00e1sokat tartalmaz a vektoriz\u00e1l\u00e1shoz \u00e9s az adatok p\u00e1rhuzamos feldolgoz\u00e1s\u00e1hoz, valamint speci\u00e1lis utas\u00edt\u00e1sokat az ARGB \u00e1talak\u00edt\u00e1shoz \u00e9s a tipikus 3D-m\u0171veletek v\u00e9grehajt\u00e1s\u00e1hoz. <\/p>\n

A GPU utas\u00edt\u00e1sok a Vulkan grafikus API-hoz haszn\u00e1latra \u00f6sszpontos\u00edtanak, m\u00edg a VPU az YUV-RGB \u00e1talak\u00edt\u00e1s\u00e1nak \u00e9s k\u00fcl\u00f6nb\u00f6z\u0151 MPEG1\/2, MPEG4 ASP (xvid), H.264, H.265, VP8, VP9, AV1, MP3, AC3, Vorbis \u00e9s Opus form\u00e1tumok dek\u00f3dol\u00e1s\u00e1nak gyors\u00edt\u00e1s\u00e1ra szolg\u00e1l. A Mes\u00e1hoz egy ny\u00edlt drivert fejlesztenek, amely kihaszn\u00e1lja a Libre-SOC adta lehet\u0151s\u00e9geket, hogy hardveresen gyors\u00edtott szoftveres megval\u00f3s\u00edt\u00e1st ny\u00fajtson a Vulkan grafikus API-hoz. P\u00e9ld\u00e1ul a Vulkan shaderek JIT-motornak k\u00f6sz\u00f6nhet\u0151en transzform\u00e1lhat\u00f3k, hogy a Libre-SOC-on el\u00e9rhet\u0151 speci\u00e1lis utas\u00edt\u00e1sok felhaszn\u00e1l\u00e1s\u00e1val hajts\u00e1k v\u00e9gre. <\/p>\n

A k\u00f6vetkez\u0151 tesztprot\u00f3tipusban tervezik az SVP64 (V\u00e1ltoz\u00f3 hossz\u00fas\u00e1g\u00fa vektoriz\u00e1l\u00e1s) kiterjeszt\u00e9s megval\u00f3s\u00edt\u00e1s\u00e1t, lehet\u0151v\u00e9 t\u00e9ve a Libre-SOC vektorprocesszork\u00e9nt val\u00f3 haszn\u00e1lat\u00e1t (32 64-bites \u00e1ltal\u00e1nos c\u00e9l\u00fa regiszter mellett 128 regisztert biztos\u00edtanak vektorsz\u00e1m\u00edt\u00e1sokhoz). Az els\u0151 protot\u00edpus csup\u00e1n egy magot tartalmaz, amely 300 MHz-en m\u0171k\u00f6dik, de k\u00e9t \u00e9ven bel\u00fcl tervezz\u00fck kiadni a 4-magos verzi\u00f3t, majd a 8-magosat, \u00e9s hossz\u00fa t\u00e1von ak\u00e1r a 64-magos v\u00e1ltozatot is. <\/p>\n

Az els\u0151 chip batchet a TSMC gy\u00e1rtja 180nm-es technol\u00f3gi\u00e1val. Minden projektmunk\u00e1t szabad licenszek alatt tesznek k\u00f6zz\u00e9, bele\u00e9rtve a GDS-II form\u00e1tum\u00fa f\u00e1jlokat is, amelyek a chip teljes topol\u00f3gi\u00e1j\u00e1t le\u00edrj\u00e1k, elegend\u0151 inform\u00e1ci\u00f3val a saj\u00e1t gy\u00e1rt\u00e1s megkezd\u00e9s\u00e9hez. A Libre-SOC lesz az els\u0151 teljesen f\u00fcggetlen chip, amely Power architekt\u00far\u00e1ra \u00e9p\u00fcl, amelyet nem az IBM gy\u00e1rtott. A fejleszt\u00e9s sor\u00e1n a nMigen hardverle\u00edr\u00f3 nyelvet haszn\u00e1lt\u00e1k (Python alap\u00fa HDL, VHDL \u00e9s Verilog haszn\u00e1lata n\u00e9lk\u00fcl), a Chips4Makers FlexLib standard cell k\u00f6nyvt\u00e1rait, valamint a Coriolis2 szabad VLSI eszk\u00f6zk\u00e9szletet a HDL-b\u0151l GDS-II-be val\u00f3 konvert\u00e1l\u00e1shoz. <\/p>\n

A Libre-SOC fejleszt\u00e9s\u00e9t az NLnet Foundation finansz\u00edrozta, amely 400 ezer eur\u00f3t k\u00fcl\u00f6n\u00edtett el egy teljesen ny\u00edlt chip l\u00e9trehoz\u00e1s\u00e1ra, a verifik\u00e1lhat\u00f3 \u00e9s megb\u00edzhat\u00f3 alapvet\u0151 m\u0171szaki megold\u00e1sok l\u00e9trehoz\u00e1s\u00e1ra ir\u00e1nyul\u00f3 program keret\u00e9ben. A chip m\u00e9rete 5,5 \u00d7 5,9 mm, \u00e9s 130 ezer logikai kaput tartalmaz. N\u00e9gy 4KB-os SRAM modul \u00e9s egy 300 MHz-es f\u00e1zisautomatikus frekvenciavez\u00e9rl\u0151 (PLL) is r\u00e9sze.

\"Elk\u00e9sz\u00fclt<\/center>
\n
Forr\u00e1s: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\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 […]<\/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\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\udd47 K\u00e9szen \u00e1ll a gy\u00e1rt\u00e1sra az els\u0151 protot\u00edpus ny\u00edlt chip Libre-SOC | ProHoster","description":"A Libre-SOC projekt, amely egy ny\u00edlt chipet fejleszt a CDC 6600 st\u00edlus\u00fa hibrid architekt\u00fara megval\u00f3s\u00edt\u00e1s\u00e1val, ahol a chip m\u00e9ret\u00e9nek \u00e9s komplexit\u00e1s\u00e1nak cs\u00f6kkent\u00e9se \u00e9rdek\u00e9ben a CPU, VPU \u00e9s GPU utas\u00edt\u00e1sok nincsenek elk\u00fcl\u00f6n\u00edtve, \u00e9s egy ISA-n bel\u00fcl aj\u00e1nlottak.","canonical_url":"https:\/\/prohoster.info\/hu\/blog\/news\/gotov-k-proizvodstvu-pervyj-prototip-otkrytogo-chipa-libre-soc","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"hu_HU","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47\u0413\u043e\u0442\u043e\u0432 \u043a \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0441\u0442\u0432\u0443 \u043f\u0435\u0440\u0432\u044b\u0439 \u043f\u0440\u043e\u0442\u043e\u0442\u0438\u043f \u043e\u0442\u043a\u0440\u044b\u0442\u043e\u0433\u043e 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