{"id":111428,"date":"2023-11-11T03:10:14","date_gmt":"2023-11-11T01:10:14","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/dostupen-vortex-2-0-otkrytyj-gpgpu-na-baze-arhitektury-risc-v"},"modified":"2023-11-11T03:10:14","modified_gmt":"2023-11-11T01:10:14","slug":"dostupen-vortex-2-0-otkrytyj-gpgpu-na-baze-arhitektury-risc-v","status":"publish","type":"post","link":"https:\/\/prohoster.info\/ro\/blog\/news\/dostupen-vortex-2-0-otkrytyj-gpgpu-na-baze-arhitektury-risc-v","title":{"rendered":"Vortex 2.0 este disponibil, un GPGPU deschis bazat pe arhitectura RISC-V","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>A doua edi\u021bie a proiectului Vortex a fost publicat\u0103, dezvolt\u00e2nd un GPGPU deschis bazat pe arhitectura setului de instruc\u021biuni RISC-V, proiectat pentru a efectua calcule paralele utiliz\u00e2nd API-ul OpenCL \u0219i modelul de execu\u021bie SIMT (Single Instruction, Multiple Threads). Proiectul poate fi folosit \u0219i \u00een cercet\u0103ri \u00een domeniul graficii 3D \u0219i pentru dezvoltarea de noi arhitecturi GPU. Schemele, descrierile blocurilor hardware \u00een limbajul Verilog, simulatorul, driverele \u0219i documenta\u021bia de proiect asociat\u0103 sunt distribuite sub licen\u021ba Apache 2.0.     <\/p>\n<p>Baza GPGPU o constituie ISA RISC-V standard, extins cu unele instruc\u021biuni suplimentare necesare pentru sus\u021binerea func\u021biilor GPU \u0219i gestionarea fluxurilor. Modific\u0103rile \u00een arhitectura setului de instruc\u021biuni RISC-V sunt minimizate, iar acolo unde este posibil sunt utilizate deja instruc\u021biunile vectoriale existente. O abordare similar\u0103 este aplicat\u0103 \u00een proiectul RV64X, care dezvolt\u0103, de asemenea, un GPU deschis pe baza tehnologiilor RISC-V.    <\/p>\n<p><center><img decoding=\"async\" alt=\"Vortex 2.0 este disponibil, un GPGPU deschis bazat pe arhitectura RISC-V\" src=\"\/wp-content\/uploads\/2023\/11\/200fcfdbad5e085ae5e1b154b75b1210.png\" style=\"display:block;margin: 0 auto;\" \/><\/center>      <\/p>\n<p>Pentru grafic\u0103, tehnologiile Vortex dezvolt\u0103 GPU-ul deschis Skybox, care suport\u0103 API-ul grafic Vulkan. Prototipul Skybox, creat pe baza FPGA Altera Stratix 10 \u0219i incluz\u00e2nd 32 de nuclee (512 fire de execu\u021bie), a permis, la o frecven\u021b\u0103 de 230 MHz, ob\u021binerea unei performan\u021be de umplere de 3.7 gigapixeli pe secund\u0103 (29.4 gigatranzac\u021bii pe secund\u0103). Se remarc\u0103 faptul c\u0103 acesta este primul GPU deschis cu implementare software \u0219i hardware, care suport\u0103 Vulkan.             <\/p>\n<p>Caracteristicile principale ale Vortex:  <\/p>\n<ul>\n<li class=\"l\"> Suport pentru arhitecturi RISC-V de 32 \u0219i 64 de bi\u021bi RV32IMF \u0219i RV64IMAFD.  <\/li>\n<li class=\"l\"> Num\u0103r configurabil de nuclei, blocuri de sarcini (warps) \u0219i fire.\n<li class=\"l\"> Num\u0103r configurabil de ALU, FPU, LSU \u0219i SFU pentru fiecare nucleu.\n<li class=\"l\"> L\u0103\u021bime de emisie a canalului (pipeline issue width) configurabil\u0103.\n<li class=\"l\"> Memorie op\u021bional\u0103 partajat\u0103 \u0219i cache-uri de niveluri L1, L2 \u0219i L3.\n<li class=\"l\"> Suport pentru specifica\u021bia OpenCL 1.2.\n<li class=\"l\"> Posibilitatea implement\u0103rii pe baz\u0103 de FPGA Altera Arria 10, Altera Stratix 10, Xilinx Alveo U50, U250, U280 \u0219i Xilinx Versal VCK5000.\n<li class=\"l\"> Instruc\u021biuni avansate: &#171;tex&#187; pentru accelerarea proces\u0103rii texturilor, vx_rast pentru gestionarea rasteriz\u0103rii, vx_rop pentru procesarea fragmentelor, ad\u00e2ncimii \u0219i transparen\u021bei, vx_imadd pentru realizarea opera\u021biei &#171;\u00eenmul\u021bire \u0219i adunare&#187;, vx_wspawn, vx_tmc \u0219i vx_bar pentru activarea fronturilor de instruc\u021biuni \u0219i a firelor din acestea (wavefront, set de fire, executate \u00een paralel de SIMD Engine), vx_split \u0219i vx_join.\n<li class=\"l\"> Suportul pentru reprezentarea intermediar\u0103 a shaderelor SPIR-V este realizat prin transla\u021bie \u00een OpenCL.\n<li class=\"l\"> Pentru dezvoltarea aplica\u021biilor, se ofer\u0103 un instrumentar care include variante adaptate pentru a lucra cu Vortex, precum PoCL (compilator \u0219i runtime OpenCL), LLVM\/Clang, GCC \u0219i Binutils.\n<li class=\"l\"> Este suportat\u0103 simularea func\u021bion\u0103rii cipului folosind Verilator (simulator Verilog), RTLSIM (simularea RTL) \u0219i SimX (simulare software).        <\/ul>\n<p>Printre modific\u0103rile din versiunea Vortex 2.0:  <\/p>\n<ul>\n<li class=\"l\"> Au fost efectuate optimiz\u0103ri ale microarhitecturii.\n<li class=\"l\"> A fost ad\u0103ugat\u0103 suportul pentru arhitectura setului de instruc\u021biuni RISC-V 64-bi\u021bi RV64IMAFD.\n<li class=\"l\"> A fost ad\u0103ugat\u0103 posibilitatea de implementare pe baza FPGA Xilinx.\n<li class=\"l\"> A fost ad\u0103ugat\u0103 suportul pentru LLVM 16 \u0219i Ubuntu 20.04.\n<li class=\"l\"> A fost realizat un refactoring \u0219i corecturi ale defectelor identificate \u00een evaluarea calit\u0103\u021bii.  <\/ul>\n<p>Sursa: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=60088\">opennet.ro<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u0430 \u0432\u0442\u043e\u0440\u0430\u044f \u0440\u0435\u0434\u0430\u043a\u0446\u0438\u044f \u043f\u0440\u043e\u0435\u043a\u0442\u0430 Vortex, \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u044e\u0449\u0435\u0433\u043e \u043e\u0442\u043a\u0440\u044b\u0442\u044b\u0439 GPGPU \u043d\u0430 \u0431\u0430\u0437\u0435 \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, \u0440\u0430\u0441\u0441\u0447\u0438\u0442\u0430\u043d\u043d\u044b\u0439 \u043d\u0430 \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435 \u043f\u0430\u0440\u0430\u043b\u043b\u0435\u043b\u044c\u043d\u044b\u0445 \u0432\u044b\u0447\u0438\u0441\u043b\u0435\u043d\u0438\u0439 \u0441 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435\u043c API OpenCL \u0438 \u043c\u043e\u0434\u0435\u043b\u0438 \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f SIMT (Single Instruction, Multiple Threads). \u041f\u0440\u043e\u0435\u043a\u0442\u0430 \u0442\u0430\u043a\u0436\u0435 \u043c\u043e\u0436\u0435\u0442 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c\u0441\u044f \u043f\u0440\u0438 \u043f\u0440\u043e\u0432\u0435\u0434\u0435\u043d\u0438\u0438 \u0438\u0441\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u043d\u0438\u0439 \u0432 \u043e\u0431\u043b\u0430\u0441\u0442\u0438 3D-\u0433\u0440\u0430\u0444\u0438\u043a\u0438 \u0438 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043d\u043e\u0432\u044b\u0445 \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440 GPU. \u0421\u0445\u0435\u043c\u044b, \u043e\u043f\u0438\u0441\u0430\u043d\u0438\u044f \u0430\u043f\u043f\u0430\u0440\u0430\u0442\u043d\u044b\u0445 \u0431\u043b\u043e\u043a\u043e\u0432 \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 Verilog, \u0441\u0438\u043c\u0443\u043b\u044f\u0442\u043e\u0440, \u0434\u0440\u0430\u0439\u0432\u0435\u0440\u044b [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":111429,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-111428","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u0430 \u0432\u0442\u043e\u0440\u0430\u044f \u0440\u0435\u0434\u0430\u043a\u0446\u0438\u044f \u043f\u0440\u043e\u0435\u043a\u0442\u0430 Vortex, \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u044e\u0449\u0435\u0433\u043e \u043e\u0442\u043a\u0440\u044b\u0442\u044b\u0439 GPGPU \u043d\u0430 \u0431\u0430\u0437\u0435 \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440\u044b 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setului de instruc\u021biuni RISC-V, proiectat pentru a efectua calcule paralele utiliz\u00e2nd API-ul OpenCL \u0219i modelul de execu\u021bie.","canonical_url":"https:\/\/prohoster.info\/ro\/blog\/news\/dostupen-vortex-2-0-otkrytyj-gpgpu-na-baze-arhitektury-risc-v","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"ro_RO","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\u0414\u043e\u0441\u0442\u0443\u043f\u0435\u043d Vortex 2.0, \u043e\u0442\u043a\u0440\u044b\u0442\u044b\u0439 GPGPU \u043d\u0430 \u0431\u0430\u0437\u0435 \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440\u044b RISC-V | 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