{"id":119157,"date":"2024-08-07T15:43:09","date_gmt":"2024-08-07T13:43:10","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/dostupen-vortex-2-2-otkrytyj-gpgpu-na-baze-arhitektury-risc-v"},"modified":"2024-08-07T15:43:09","modified_gmt":"2024-08-07T13:43:10","slug":"dostupen-vortex-2-2-otkrytyj-gpgpu-na-baze-arhitektury-risc-v","status":"publish","type":"post","link":"https:\/\/prohoster.info\/da\/blog\/news\/dostupen-vortex-2-2-otkrytyj-gpgpu-na-baze-arhitektury-risc-v","title":{"rendered":"Vortex 2.2, et \u00e5bent GPGPU baseret p\u00e5 RISC-V-arkitektur, er tilg\u00e6ngeligt","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Udgaven af projektet Vortex 2.2 er offentliggjort, som udvikler et \u00e5bent GPGPU baseret p\u00e5 RISC-V instruktionss\u00e6ttets arkitektur, designet til at udf\u00f8re parallel beregning ved hj\u00e6lp af OpenCL API og SIMT (Single Instruction, Multiple Threads) udf\u00f8relsesmodel. Projektet kan ogs\u00e5 bruges til forskning inden for 3D-grafik og udvikling af nye GPU-arkitekturer. Diagrammer, beskrivelser af hardwarekomponenter p\u00e5 Verilog, simulatorer, drivere og tilh\u00f8rende projekt-dokumentation distribueres under Apache 2.0 licensen.     <\/p>\n<p>Kernen i GPGPU er en typisk RISC-V ISA, der er udvidet med nogle ekstra instruktioner, der er n\u00f8dvendige for at underst\u00f8tte GPU-funktioner og tr\u00e5dforvaltning. \u00c6ndringerne i RISC-V's instruktionsarkitektur er minimeret, og der bruges i videst muligt omfang allerede eksisterende vektor-instruktioner. Blandt de ekstra instruktioner kan n\u00e6vnes: &#171;tex&#187; til acceleration af teksturbehandling, vx_rast til h\u00e5ndtering af rasterisering, vx_rop til behandling af fragmenter, dybde og gennemsigtighed, vx_imadd til udf\u00f8relse af operationen &#171;multiplicer og add\u00e9r&#187;, vx_wspawn, vx_tmc og vx_bar til aktivering af instruktionernes og tr\u00e5denes front end (wavefront, s\u00e6t af tr\u00e5de, der udf\u00f8res parallelt af SIMD Engine), vx_split og vx_join.     <center><img decoding=\"async\" alt=\"Vortex 2.2, et \u00e5bent GPGPU baseret p\u00e5 RISC-V-arkitektur, er tilg\u00e6ngeligt \" src=\"\/wp-content\/uploads\/2024\/08\/e9bf3436f9ea931993a04517f807fb72.png\" style=\"display:block;margin: 0 auto;\" \/><\/center>          <\/p>\n<p>Det udviklede GPGPU underst\u00f8tter 32- og 64-bit arkitekturerne RISC-V RV32IMF og RV64IMAFD, og kan inkludere valgfri delt hukommelse, L1, L2 og L3 caches, samt et konfigurerbart antal kerner, opgaveblokke (warps) og tr\u00e5de. For hver kerne er der mulighed for at aktivere et konfigurerbart antal ALU, FPU, LSU og SFU. Til prototyping kan FPGA'er fra Altera Arria 10, Altera Stratix 10, Xilinx Alveo U50, U250, U280 og Xilinx Versal VCK5000 anvendes. Til simulering af chipens funktion kan Verilator (Verilog-simulator), RTLSIM (RTL-simulering) og SimX (programsimulering) benyttes.    <\/p>\n<p>Til udvikling af applikationer tilbydes et v\u00e6rkt\u00f8jss\u00e6t, der inkluderer tilpassede versioner af PoCL (kompilator og runtime OpenCL) til Vortex, LLVM\/Clang, GCC og Binutils. Projektet underst\u00f8tter specifikationen OpenCL 1.2, og gennem overs\u00e6ttelse til OpenCL er supporten for den mellemliggende repr\u00e6sentation af shaders SPIR-V implementeret. Til grafik p\u00e5 Vortex-teknologier udvikles den \u00e5bne GPU Skybox, som underst\u00f8tter den grafiske API Vulkan. Prototypen af Skybox, bygget p\u00e5 FPGA Altera Stratix 10 og indeholdende 32 kerner (512 tr\u00e5de), har med en frekvens p\u00e5 230 MHz opn\u00e5et en ydeevne for indl\u00e6sning p\u00e5 3,7 gigapixler pr. sekund (29,4 gigatransaktioner pr. sekund).           <\/p>\n<p>Blandt \u00e6ndringerne i version Vortex 2.2:  <\/p>\n<ul>\n<li class=\"l\"> API vx_spawn_taskgroups er tilf\u00f8jet for at starte kerner, der underst\u00f8tter segmenteret udf\u00f8relse af 3D-opgaver.\n<li class=\"l\"> Der er tilf\u00f8jet support for ZICOND, en udvidelse af RISC-V instruktionss\u00e6ttets arkitektur, som muligg\u00f8r betinget udf\u00f8relse af operationer uden forgrening.\n<li class=\"l\"> OpenCL-kompilatoren er \u00e6ndret til at planl\u00e6gge udf\u00f8relsen p\u00e5 niveauet for individuelle tr\u00e5de (thread-level, hvor hver tr\u00e5d udf\u00f8rer sin opgave uafh\u00e6ngigt af andre tr\u00e5de), i stedet for opgange (warp-level), som det var tidligere.\n<li class=\"l\"> OpenCL har f\u00e5et support for JIT-kompilering og 64-bit kerner.\n<li class=\"l\"> Der er implementeret support for dynamisk indl\u00e6sning af Vortex runtime.\n<li class=\"l\"> Der er tilbudt ny dokumentation til konfiguration af FPGA Xilinx.\n<li class=\"l\"> Testning af logiksynthese er blevet inkluderet med anvendelse af Yosys v\u00e6rkt\u00f8js\u00e6ttet.\n<li class=\"l\"> Der er tilf\u00f8jet underst\u00f8ttelse af cache i de hierarkiske flush-operationer og i write-back-tilstand.\n<li class=\"l\"> Der er udf\u00f8rt optimering af hastigheden for scoreboard-verifikation og arbejdet med operander p\u00e5 niveauet for registeroverf\u00f8rsler (RTL, Register Transfer Level).\n<li class=\"l\"> Support for simulatoren DRAM-hukommelse Ramulator 2.0 er blevet tilf\u00f8jet.\n<li class=\"l\"> Overgangen til brug af de nye versioner Verilator 5.0 (SystemVerilog simulator) og LLVM 18.0 er blevet gennemf\u00f8rt, og v\u00e6rkt\u00f8js\u00e6ttet baseret p\u00e5 CentOS 7.9 er opdateret.\n<li class=\"l\"> I stedet for Travis CI til kontinuerlig integration er GitHub CI-tjenesten blevet anvendt.    <\/ul>\n<p>Kilde: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=61669\">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 \u0432\u044b\u043f\u0443\u0441\u043a \u043f\u0440\u043e\u0435\u043a\u0442\u0430 Vortex 2.2, \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 \u0442\u0430\u043a\u0436\u0435 \u043c\u043e\u0436\u0435\u0442 \u0431\u044b\u0442\u044c \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d \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 \u043f\u0440\u0438 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0435 \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, [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":119158,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-119157","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 \u0432\u044b\u043f\u0443\u0441\u043a \u043f\u0440\u043e\u0435\u043a\u0442\u0430 Vortex 2.2, 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tilg\u00e6ngelig, en \u00e5ben GPGPU baseret p\u00e5 RISC-V arkitektur | ProHoster","description":"Udgivelsen af projektet Vortex 2.2 er offentliggjort, som udvikler en \u00e5ben GPGPU baseret p\u00e5 RISC-V instruktionss\u00e6ttets arkitektur, designet til udf\u00f8relse af parallelle beregninger ved hj\u00e6lp af OpenCL API og SIMT udf\u00f8relsesmodel.","canonical_url":"https:\/\/prohoster.info\/da\/blog\/news\/dostupen-vortex-2-2-otkrytyj-gpgpu-na-baze-arhitektury-risc-v","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"da_DK","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 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