{"id":30031,"date":"2019-10-31T21:33:20","date_gmt":"2019-10-31T18:33:20","guid":{"rendered":"https:\/\/prohoster.info\/blog\/linux-foundation-zajmetsya-open-source-chipami\/"},"modified":"2019-10-31T21:33:20","modified_gmt":"2019-10-31T18:33:20","slug":"linux-foundation-zajmetsya-open-source-chipami","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/linux-foundation-zajmetsya-open-source-chipami","title":{"rendered":"Linux Foundation tegeleb avatud koodiga kiipidega","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Linux Foundation avas uusi suund \u2014 CHIPS Alliance. Selle projekti raames arendab organisatsioon avatud RISC-V k\u00e4skude s\u00fcsteemi ja tehnoloogiaid nende p\u00f5hjal protsessorite valmistamiseks. Jagame l\u00e4hemalt, mis selles valdkonnas toimub.<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/it-grad\/blog\/444664\/\"><img decoding=\"async\" alt=\"Linux Foundation tegeleb avatud koodiga kiipidega\" src=\"\/wp-content\/uploads\/2019\/03\/1462a91d6041c6aa6c2fdb4267ecbd92.jpeg\" style=\"display:block;margin: 0 auto;\" \/><\/a><\/noindex><noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><br \/>\n<i>\/ \u0444\u043e\u0442\u043e <noindex><a rel=\"nofollow\" href=\"https:\/\/www.flickr.com\/photos\/120586634@N05\/32418936265\/\">Gareth Halfacree<\/a><\/noindex> <noindex><a rel=\"nofollow\" href=\"https:\/\/creativecommons.org\/licenses\/by-sa\/2.0\/\">CC BY-SA<\/a><\/noindex><\/i><\/p>\n<h2>Miks tekkis CHIPS Alliance<\/h2>\n<p>\nMeltdowni ja Spectre'ist kaitsvad plaastrid v\u00e4hendavad m\u00f5nel juhul <noindex><a rel=\"nofollow\" href=\"https:\/\/www.tomshardware.com\/news\/linux-spectre-patch-50-percent-performance-penalty,38099.html\">serverite j\u00f5udlust<\/a><\/noindex> 50%. Samal ajal ilmuvad endiselt uusi haavatavusi, mis on seotud spekulatiivse k\u00e4skude t\u00e4itmisega. \u00dchest neist <noindex><a rel=\"nofollow\" href=\"https:\/\/arxiv.org\/pdf\/1903.00446.pdf\">tuli teadlikuks m\u00e4rtsi alguses<\/a><\/noindex> \u2014 k\u00fcberjulgeoleku spetsialistid nimetavad seda Spoileriks. See olukord m\u00f5jutab <noindex><a rel=\"nofollow\" href=\"https:\/\/www.pcworld.com\/article\/3299477\/solving-spectre-and-meltdown-may-ultimately-require-an-entirely-new-type-of-processor.html\">arutelu<\/a><\/noindex> vajadust olemasolevaid riistvaralahendusi ja nende arendamise l\u00e4henemisviise \u00fcle vaadata. Eriti valmistab Intel <noindex><a rel=\"nofollow\" href=\"https:\/\/hackaday.com\/2018\/12\/12\/intel-announces-faster-processor-patched-for-meltdown-and-spectre\/\">uue arhitektuuri oma protsessoritele, mis ei ole Meltdowni ja Spectre'i suhtes haavatavad.<\/a><\/noindex> Linux Foundation ei ole j\u00e4\u00e4nud k\u00f5rvale. Organisatsioon alustas oma algatust \u2014 CHIPS Alliance \u2014 mille liikmed tegelevad RISC-V p\u00f5histe protsessorite arendamisega.<\/p>\n<p>Milliseid projekte juba arendatakse<\/p>\n<h2>CHIPS Alliance'i liikmete hulgas on Google, Western Digital (WD) ja SiFive. Iga\u00fcks neist on esitanud oma arendused. Jagame m\u00f5ned neist.<\/h2>\n<p><\/p>\n<blockquote><p>RISCV-DV<\/p><\/blockquote>\n<p><\/p>\n<h5>RISCV-DV<\/h5>\n<p>\nOtsingutehnoloogia hiiglane vabastas avatud allikana RISC-V-p\u00f5histe protsessorite testimise platvormi. Lahendus genereerib juhuslikult <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/google\/riscv-dv\">k\u00e4sklusi, mis<\/a><\/noindex> kontrollivad seadme funktsionaalsust: testitakse \u00fcleminekute, k\u00f5nevirnade protsesse, <noindex><a rel=\"nofollow\" href=\"https:\/\/content.riscv.org\/wp-content\/uploads\/2018\/12\/14.25-Tao-Liu-Richard-Ho-UVM-based-RISC-V-Processor-Verification-Platform.pdf\">v\u00f5imaldavad<\/a><\/noindex> CSR <noindex><a rel=\"nofollow\" href=\"https:\/\/en.wikipedia.org\/wiki\/Control\/Status_Register\">-registreid ja muud.<\/a><\/noindex>Nii n\u00e4eb v\u00e4lja klass<\/p>\n<p>N\u00e4iteks, <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/google\/riscv-dv\/blob\/master\/test\/riscv_instr_test_lib.sv\">, mis vastutab lihtsate aritmeetiliste k\u00e4skude testi l\u00e4biviimise eest:<\/a><\/noindex>class riscv_arithmetic_basic_test extends riscv_instr_base_test;\n\n  `uvm_component_utils(riscv_arithmetic_basic_test)\n  `uvm_component_new\n\n  virtual function void randomize_cfg();\n    cfg.instr_cnt = 10000;\n    cfg.num_of_sub_program = 0;\n    cfg.no_fence = 1;\n    cfg.no_data_page = 1'b1;\n    cfg.no_branch_jump = 1'b1;\n    `DV_CHECK_RANDOMIZE_WITH_FATAL(cfg,\n                                   init_privileged_mode == MACHINE_MODE;\n                                   max_nested_loop == 0;)\n    `uvm_info(`gfn, $sformatf(\"riscv_instr_gen_config is randomized:n%0s\",\n                    cfg.sprint()), UVM_LOW)\n  endfunction\n\nendclass<\/p>\n<pre><code class=\"cpp\">arendajatest, platvorm eristub analoogidest, kuna see v\u00f5imaldab j\u00e4rjestikku kontrollida k\u00f5iki kiibi komponente, sealhulgas m\u00e4luplokki.\n<\/code><\/pre>\n<p>\nKohal <noindex><a rel=\"nofollow\" href=\"https:\/\/content.riscv.org\/wp-content\/uploads\/2018\/12\/14.25-Tao-Liu-Richard-Ho-UVM-based-RISC-V-Processor-Verification-Platform.pdf\">s\u00f5nadega<\/a><\/noindex> Protokoll OmniXtend<\/p>\n<h5>See on WD v\u00f5rguprotokoll, mis tagab vahem\u00e4lu koherentsuse andmete edastamisel Etherneti kaudu.<\/h5>\n<p>\nOmniXtend <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/westerndigitalcorporation\/omnixtend\">OmniXtend<\/a><\/noindex> v\u00f5imaldab vahetada teateid otse protsessori vahem\u00e4luga ja seda kasutatakse erinevat t\u00fc\u00fcpi kiirendite, n\u00e4iteks GPU v\u00f5i FPGA \u00fchendamiseks. Samuti sobib see mitme RISC-V kiibi s\u00fcsteemide ehitamiseks.<\/p>\n<p>Protokolli toetatakse juba <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/westerndigitalcorporation\/swerv_eh1\">SweRV kiipide poolt<\/a><\/noindex>, mis on suunatud andmete t\u00f6\u00f6tlemisele andmekeskustes. SweRV on 32-bitine kahe toruga superskalaarne protsessor, mis on valmistatud 28-nanomeetrise protsessiga. Igal torul on \u00fcheksa taset, mis v\u00f5imaldab laadida ja t\u00e4ita mitu k\u00e4sku samaaegselt. Seade t\u00f6\u00f6tab sagedusel 1,8 GHz.<\/p>\n<h5>Rocket Chip generaator<\/h5>\n<p>\nSiFive\u2019i lahenduselt, mille asutasid RISC-V tehnoloogia arendajad. <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/freechipsproject\/rocket-chip\">Rocket Chip<\/a><\/noindex> on RISC-V protsessori tuumade generaator Chisel'i keeles. See <noindex><a rel=\"nofollow\" href=\"https:\/\/www2.eecs.berkeley.edu\/Pubs\/TechRpts\/2016\/EECS-2016-17.pdf\">esindab<\/a><\/noindex> on parametriseeritud raamatukogude komplekt, mida kasutatakse <noindex><a rel=\"nofollow\" href=\"https:\/\/ru.wikipedia.org\/wiki\/%D0%A1%D0%B8%D1%81%D1%82%D0%B5%D0%BC%D0%B0_%D0%BD%D0%B0_%D0%BA%D1%80%D0%B8%D1%81%D1%82%D0%B0%D0%BB%D0%BB%D0%B5\">SoC<\/a><\/noindex>.<\/p>\n<p>As for <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/freechipsproject\/chisel3\/\">Chisel<\/a><\/noindex>on riistvara kirjeldamise keel, mis p\u00f5hineb Scala-l. See genereerib madala taseme koodi Verilogis, mis <noindex><a rel=\"nofollow\" href=\"https:\/\/chisel.eecs.berkeley.edu\/\">mailiserverite ja andmebaasiserverite testimiseks.<\/a><\/noindex> on m\u00f5eldud t\u00f6\u00f6tlemiseks ASIC-is ja FPGA-s. Seega v\u00f5imaldab see kasutada OOP p\u00f5him\u00f5tteid arendamisel <noindex><a rel=\"nofollow\" href=\"https:\/\/ru.wikipedia.org\/wiki\/%D0%A3%D1%80%D0%BE%D0%B2%D0%B5%D0%BD%D1%8C_%D1%80%D0%B5%D0%B3%D0%B8%D1%81%D1%82%D1%80%D0%BE%D0%B2%D1%8B%D1%85_%D0%BF%D0%B5%D1%80%D0%B5%D0%B4%D0%B0%D1%87\">RTL<\/a><\/noindex>.<\/p>\n<h2>liidu v\u00e4ljavaated<\/h2>\n<p>\nEksperdid usuvad, et Linux Foundation'i algatus muudab protsessoriturgu demokraatlikumaks ja avatumaks uutele m\u00e4ngijatele. IDC <noindex><a rel=\"nofollow\" href=\"https:\/\/devops.com\/linux-foundation-to-host-chips-alliance-project-to-propel-industry-innovation-through-open-source-cpu-chip-and-soc-design\/\">m\u00e4rgib<\/a><\/noindex>, et selliste projektide populaarsuse kasv avaldab positiivset m\u00f5ju masin\u00f5ppe tehnoloogiate ja tehisintellekti s\u00fcsteemide arengule laiemalt.<\/p>\n<p><img decoding=\"async\" alt=\"Linux Foundation tegeleb avatud koodiga kiipidega\" src=\"\/wp-content\/uploads\/2019\/03\/9b7ea1fb634f7fc1e258d38e2fe96398.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<i>\/ \u0444\u043e\u0442\u043e <noindex><a rel=\"nofollow\" href=\"https:\/\/www.flickr.com\/photos\/130561288@N04\/46764481872\">Eelmisel aastal teatasid Stanfordi teadlased<\/a><\/noindex> PD<\/i><\/p>\n<p>Avas\u00fcsteemsete protsessorite areng aitab samuti v\u00e4hendada kohandatud kiipide projekteerimise kulusid. Kuid see toimub ainult juhul, kui Linux Foundation'i kogukond suudab ligi meelitada piisavalt arendajaid.<\/p>\n<h2>Sarnased projektid<\/h2>\n<p>\nAvas\u00fcsteemsete seadmete projektidega tegelevad ka teised organisatsioonid. N\u00e4iteks CXL konsortsium, mis tutvustas m\u00e4rtsi keskel Compute Express Link standardit. Tehnoloogia on analoogne OmniXtendi tehnoloogiale ja \u00fchendab samuti CPU-d, GPU-sid ja FPGA-sid. Andmevahetuseks kasutab standard PCIe 5.0 buss.<\/p>\n<p>Veel \u00fcks projekt, mis tegeleb protsessoritehnoloogiate arendamisega, on MIPS Open, mis loodi detsembris 2018. Algatuse rajas idufirma Wave Computing. Arendajad plaanivad <noindex><a rel=\"nofollow\" href=\"https:\/\/wavecomp.ai\/mips-open\/\">ava<\/a><\/noindex> aitada IT-kogukonnal juurde p\u00e4\u00e4seda viimastele 32- ja 64-bitistele MIPS-i k\u00e4skude kogumitele. Projekti algus on <noindex><a rel=\"nofollow\" href=\"https:\/\/www.sensorsmag.com\/embedded\/mips-open-advisory-board-open-for-biz\">oodatav<\/a><\/noindex> tulevastes kuudes.<\/p>\n<p>Kokkuv\u00f5ttes muutub open source l\u00e4henemine \u00fcldiselt aktsepteerituks mitte ainult tarkvara, vaid ka riistvara valdkonnas. Taolisi projekte toetavad suured ettev\u00f5tted. Seet\u00f5ttu v\u00f5ib oodata, et juba l\u00e4hitulevikus tuleb turule rohkem seadmeid, mille aluseks on avatud riistvarastandardid.<\/p>\n<p>\nUued postitused meie ettev\u00f5tte blogist:<\/p>\n<ul>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/iaas-blog.it-grad.ru\/novosti\/chto-nuzhno-znat-o-pci-dss-obzor-standarta\/\">Mida tuleb teada PCI DSS-ist: standardi \u00fclevaade<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/iaas-blog.it-grad.ru\/tendencii\/mir-do-i-posle-kak-izmenilas-zhizn-s-nastupleniem-dns-flag-day\/\">Maailm enne ja p\u00e4rast. Kuidas on elu muutunud DNS Flag Day saabumisega<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/iaas-blog.it-grad.ru\/funkcionalnost\/posleavarijnoe-vosstanovlenie-kak-usluga-disaster-recovery-as-a-service\/\">\u00c4rikatastroofide taastamine teenusena: mida tuleb teada<\/a><\/noindex><\/li>\n<\/ul>\n<p>\nPostitused meie Telegrami kanalist:<\/p>\n<ul>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/t.me\/iaasblog\/201\">Kuidas hallata riistvara andmekeskuses \u2014 kaks uut tehnoloogiat<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/t.me\/iaasblog\/194\">Kuidas IaaS-teenuse pakkuja kaitseb klientide andmeid<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/t.me\/iaasblog\/190\">Miks on VMware vSphere h\u00f5lmatud HTML5-klient?<\/a><\/noindex><\/li>\n<\/ul>\n<p>Allikas: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/it-grad\/blog\/444664\/\">habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>Linux Foundation \u043e\u0442\u043a\u0440\u044b\u043b\u0438 \u043d\u043e\u0432\u043e\u0435 \u043d\u0430\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u2014 CHIPS Alliance. \u0412 \u0440\u0430\u043c\u043a\u0430\u0445 \u044d\u0442\u043e\u0433\u043e \u043f\u0440\u043e\u0435\u043a\u0442\u0430 \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0446\u0438\u044f \u0431\u0443\u0434\u0435\u0442 \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0442\u044c \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u0443\u044e \u0441\u0438\u0441\u0442\u0435\u043c\u0443 \u043a\u043e\u043c\u0430\u043d\u0434 RISC-V \u0438 \u0442\u0435\u0445\u043d\u043e\u043b\u043e\u0433\u0438\u0438 \u0434\u043b\u044f \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u044f \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0440\u043e\u0432 \u043d\u0430 \u0435\u0451 \u043e\u0441\u043d\u043e\u0432\u0435. \u0420\u0430\u0441\u0441\u043a\u0430\u0436\u0435\u043c \u043f\u043e\u0434\u0440\u043e\u0431\u043d\u0435\u0435, \u0447\u0442\u043e \u043f\u0440\u043e\u0438\u0441\u0445\u043e\u0434\u0438\u0442 \u0432 \u044d\u0442\u043e\u0439 \u0441\u0444\u0435\u0440\u0435. \/ \u0444\u043e\u0442\u043e Gareth Halfacree CC BY-SA \u041f\u043e\u0447\u0435\u043c\u0443 \u043f\u043e\u044f\u0432\u0438\u043b\u0441\u044f CHIPS Alliance \u041f\u0430\u0442\u0447\u0438, \u0437\u0430\u0449\u0438\u0449\u0430\u044e\u0449\u0438\u0435 \u043e\u0442 Meltdown \u0438 Spectre, \u0432 \u043d\u0435\u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u0441\u043b\u0443\u0447\u0430\u044f\u0445 \u0441\u043d\u0438\u0436\u0430\u044e\u0442 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u044c [&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":[],"tags":[],"class_list":["post-30031","post","type-post","status-publish","format-standard","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"Linux Foundation \u043e\u0442\u043a\u0440\u044b\u043b\u0438 \u043d\u043e\u0432\u043e\u0435 \u043d\u0430\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u2014 CHIPS Alliance. \u0412 \u0440\u0430\u043c\u043a\u0430\u0445 \u044d\u0442\u043e\u0433\u043e \u043f\u0440\u043e\u0435\u043a\u0442\u0430 \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0446\u0438\u044f \u0431\u0443\u0434\u0435\u0442 \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0442\u044c \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u0443\u044e 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