{"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\/da\/blog\/news\/dostupen-vortex-2-0-otkrytyj-gpgpu-na-baze-arhitektury-risc-v","title":{"rendered":"Vortex 2.0, en \u00e5ben GPGPU baseret p\u00e5 RISC-V arkitekturen, er tilg\u00e6ngelig","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Den anden udgave af Vortex-projektet er blevet offentliggjort, som udvikler en \u00e5ben GPGPU baseret p\u00e5 RISC-V instruktionss\u00e6ttet. Den er designet til at udf\u00f8re parallelle beregninger ved hj\u00e6lp af OpenCL API'et og SIMT (Single Instruction, Multiple Threads) udf\u00f8relsesmodellen. Projektet kan ogs\u00e5 bruges til forskning inden for 3D-grafik og udvikling af nye GPU-arkitekturer. Diagrammer, beskrivelser af hardwareblokke i Verilog, simulator, drivere og ledsagende projekt dokumentation distribueres under Apache 2.0 licensen.     <\/p>\n<p>GPGPU'en er baseret p\u00e5 en standard RISC-V ISA, udvidet med nogle ekstra instruktioner, der er n\u00f8dvendige for at underst\u00f8tte GPU-funktioner og tr\u00e5dadministration. \u00c6ndringer i RISC-V instruktionss\u00e6ttet er minimaliseret, og eksisterende vektorinstruktioner anvendes s\u00e5 vidt muligt. En lignende tilgang anvendes i projektet RV64X, som ogs\u00e5 udvikler en \u00e5ben GPU baseret p\u00e5 RISC-V teknologier.    <\/p>\n<p><center><img decoding=\"async\" alt=\"Vortex 2.0, en \u00e5ben GPGPU baseret p\u00e5 RISC-V arkitekturen, er tilg\u00e6ngelig\" src=\"\/wp-content\/uploads\/2023\/11\/200fcfdbad5e085ae5e1b154b75b1210.png\" style=\"display:block;margin: 0 auto;\" \/><\/center>      <\/p>\n<p>Til grafik er Vortex ved at udvikle en \u00e5ben GPU kaldet Skybox, som underst\u00f8tter Vulkan grafik API'et. Prototypen Skybox, bygget p\u00e5 Altera Stratix 10 FPGA og omfatter 32 kerner (512 tr\u00e5de), har opn\u00e5et en fyldehastighed p\u00e5 3,7 gigapixler per sekund (29,4 gigatransaktioner per sekund) ved en klokfrekvens p\u00e5 230 MHz. Det bem\u00e6rkes, at dette er den f\u00f8rste \u00e5bne GPU med b\u00e5de software- og hardwareimplementering, der underst\u00f8tter Vulkan.             <\/p>\n<p>Hovedfunktioner i Vortex:  <\/p>\n<ul>\n<li class=\"l\"> Underst\u00f8ttelse af 32- og 64-bit RISC-V instruktionss\u00e6t arkitekturer RV32IMF og RV64IMAFD.  <\/li>\n<li class=\"l\"> Konfigurerbart antal kerner, opgaveblokke (warps) og tr\u00e5de.\n<li class=\"l\"> Konfigurerbart antal ALU, FPU, LSU og SFU for hver kerne.\n<li class=\"l\"> Konfigurerbar udgivelsesbredde af pipelinen (pipeline issue width).\n<li class=\"l\"> Valgfri delt hukommelse og niveauerne L1, L2 og L3 caches.\n<li class=\"l\"> Underst\u00f8ttelse af OpenCL 1.2 specifikationen.\n<li class=\"l\"> Mulighed for implementering p\u00e5 Altera Arria 10, Altera Stratix 10, Xilinx Alveo U50, U250, U280 og Xilinx Versal VCK5000.\n<li class=\"l\"> Udvidede instruktioner: &#171;tex&#187; til at accelerere behandling af teksturer, vx_rast til styring af rasterisering, vx_rop til behandling af fragmenter, dybder og gennemsigtighed, vx_imadd til at udf\u00f8re operationen &#171;gang med og l\u00e6g til&#187;, vx_wspawn, vx_tmc og vx_bar til at aktivere instruktionsfronten og tr\u00e5de i dem (wavefront, s\u00e6t af tr\u00e5de, udf\u00f8rt parallelt af SIMD Engine), vx_split og vx_join.\n<li class=\"l\"> Underst\u00f8ttelse af det mellemliggende shader repr\u00e6sentation SPIR-V implementeres gennem overs\u00e6ttelse til OpenCL.\n<li class=\"l\"> Til udvikling af applikationer tilbydes et v\u00e6rkt\u00f8jss\u00e6t, der inkluderer tilpassede versioner af PoCL (kompilator og runtime OpenCL), LLVM\/Clang, GCC og Binutils til arbejde med Vortex.\n<li class=\"l\"> Der underst\u00f8ttes simulering af chipens drift ved hj\u00e6lp af Verilator (Verilog-simulator), RTLSIM (RTL-simulering) og SimX (software-simulering).        <\/ul>\n<p>Blandt \u00e6ndringerne i version Vortex 2.0:  <\/p>\n<ul>\n<li class=\"l\"> Mikroarkitekturen er blevet optimeret.\n<li class=\"l\"> Der er tilf\u00f8jet st\u00f8tte til 64-bit arkitektur af RISC-V instruktionss\u00e6ttet RV64IMAFD.\n<li class=\"l\"> Mulighed for implementering p\u00e5 FPGA Xilinx er tilf\u00f8jet.\n<li class=\"l\"> Der er tilf\u00f8jet st\u00f8tte til LLVM 16 og Ubuntu 20.04.\n<li class=\"l\"> Refactoring er blevet udf\u00f8rt og der er lavet rettelser af mangler identificeret ved kvalitetsvurderingen.  <\/ul>\n<p>Kilde: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=60088\">opennet.ru<\/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 5.0.3 - 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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