{"id":115974,"date":"2024-05-21T14:59:30","date_gmt":"2024-05-21T12:59:30","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/proekt-bend-razvivaet-vysokourovnevyj-yazyk-dlya-parallelnyh-vychislenij-na-gpu"},"modified":"2024-05-21T14:59:30","modified_gmt":"2024-05-21T12:59:30","slug":"proekt-bend-razvivaet-vysokourovnevyj-yazyk-dlya-parallelnyh-vychislenij-na-gpu","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sv\/blog\/news\/proekt-bend-razvivaet-vysokourovnevyj-yazyk-dlya-parallelnyh-vychislenij-na-gpu","title":{"rendered":"Projektet Bend utvecklar ett h\u00f6g niv\u00e5 spr\u00e5k f\u00f6r parallell bearbetning p\u00e5 GPU.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>De f\u00f6rsta utg\u00e5vorna av projektet Bend har publicerats, som utvecklar ett h\u00f6g-niv\u00e5programmeringsspr\u00e5k f\u00f6r parallella ber\u00e4kningar, som positioneras som ett alternativ till l\u00e5gniv\u00e5spr\u00e5k som CUDA och Metal, med ett uttrycksfullt syntax och m\u00f6jligheter f\u00f6r utvecklarv\u00e4nlighet som \u00e4r typiska f\u00f6r spr\u00e5k som Python och Haskell. Projektets kod \u00e4r skriven i Rust och distribueras under Apache 2.0-licensen.          <\/p>\n<p>Spr\u00e5kets m\u00f6jligheter i Bend inkluderar snabb objektdistribution, anv\u00e4ndning av h\u00f6gre ordningens funktioner, st\u00e4ngningar, forts\u00e4ttningar, obegr\u00e4nsad rekursion, m\u00f6nstermatchning, rekursiv matchning (fold) och loopar (bend), samt st\u00f6d f\u00f6r heltals-, str\u00e4ng- och listtyper. Tv\u00e5 syntaktiska stilar st\u00f6ds \u2013 Python-stil och Haskell-stil. Programmen kr\u00e4ver ingen angivelse av direktiv f\u00f6r parallellisering, skapande av tr\u00e5dar eller l\u00e5sning. Parallellisering sker automatiskt, till exempel vid ber\u00e4kning av uttrycket \"((1 + 2) + (3 + 4))\", d\u00e4r operationerna \"1 + 2\" och \"3 + 4\" kommer att utf\u00f6ras parallellt.     <\/p>\n<p> Program skrivna i spr\u00e5k Bend kan k\u00f6ras p\u00e5 h\u00e5rdvara som st\u00f6djer massiv parallellism, som GPU:er, vilket visar en praktiskt taget linj\u00e4r \u00f6kning av prestanda beroende p\u00e5 antal ber\u00e4kningsk\u00e4rnor. Kod skriven i Bend kompileras till en l\u00e5g-niv\u00e5 mellanrepresentation HVM2 (Higher-order Virtual Machine 2), som sedan kompileras till en representation i C och CUDA. F\u00f6r n\u00e4rvarande st\u00f6ds bara k\u00f6rning p\u00e5 NVIDIA GPU:er av projektet.           <\/p>\n<p>N\u00e4r det g\u00e4ller prestanda, s\u00e5 tog ett testprogram med implementering av bitonisk sortering, vid k\u00f6rning i en tr\u00e5d p\u00e5 Apple M3 Max CPU, 12,15 sekunder, vid anv\u00e4ndning av 16 tr\u00e5dar \u2013 0,96 sekunder, och vid utnyttjande av NVIDIA RTX 4090 GPU med 16k tr\u00e5dar \u2013 0,21 sekunder. def sort(d, s, tree): switch d: case 0: return tree case _: (x,y) = tree lft = sort(d-1, 0, x) rgt = sort(d-1, 1, y) return rots(d, s, lft, rgt) def rots(d, s, tree): switch d: case 0: return tree case _: (x,y) = tree return down(d, s, warp(d-1, s, x, y)) \u2026<br \/>\n<br \/>K\u00e4lla: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=61224\">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\u044b \u043f\u0435\u0440\u0432\u044b\u0435 \u0432\u044b\u043f\u0443\u0441\u043a\u0438 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 Bend, \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u044e\u0449\u0435\u0433\u043e \u0432\u044b\u0441\u043e\u043a\u043e\u0443\u0440\u043e\u0432\u043d\u0435\u0432\u044b\u0439 \u044f\u0437\u044b\u043a \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0434\u043b\u044f \u043f\u0430\u0440\u0430\u043b\u043b\u0435\u043b\u044c\u043d\u044b\u0445 \u0432\u044b\u0447\u0438\u0441\u043b\u0435\u043d\u0438\u0439, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043f\u043e\u0437\u0438\u0446\u0438\u043e\u043d\u0438\u0440\u0443\u0435\u0442\u0441\u044f \u043a\u0430\u043a \u0430\u043b\u044c\u0442\u0435\u0440\u043d\u0430\u0442\u0438\u0432\u0430 \u043d\u0438\u0437\u043a\u043e\u0443\u0440\u043e\u0432\u043d\u0435\u0432\u044b\u043c\u0438 \u044f\u0437\u044b\u043a\u0430\u043c, \u0442\u0430\u043a\u0438\u043c \u043a\u0430\u043a CUDA \u0438 Metal, \u043e\u0431\u043b\u0430\u0434\u0430\u044e\u0449\u0430\u044f \u0432\u044b\u0440\u0430\u0437\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u043c \u0441\u0438\u043d\u0442\u0430\u043a\u0441\u0438\u0441\u043e\u043c \u0438 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044f\u043c\u0438 \u0434\u043b\u044f \u043f\u043e\u0432\u044b\u0448\u0435\u043d\u0438\u044f \u0443\u0434\u043e\u0431\u0441\u0442\u0432\u0430 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438, \u0441\u0432\u043e\u0439\u0441\u0442\u0432\u0435\u043d\u043d\u044b\u043c\u0438 \u0442\u0430\u043a\u0438\u043c \u044f\u0437\u044b\u043a\u0430\u043c, \u043a\u0430\u043a Python \u0438 Haskell. \u041a\u043e\u0434 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 \u043d\u0430\u043f\u0438\u0441\u0430\u043d \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 Rust \u0438 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u0442\u0441\u044f \u043f\u043e\u0434 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0435\u0439 Apache 2.0. \u0418\u0437 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u0435\u0439 \u044f\u0437\u044b\u043a\u0430 Bend [&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":[702],"tags":[],"class_list":["post-115974","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.4 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u044b \u043f\u0435\u0440\u0432\u044b\u0435 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