{"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\/nl\/blog\/news\/proekt-bend-razvivaet-vysokourovnevyj-yazyk-dlya-parallelnyh-vychislenij-na-gpu","title":{"rendered":"Het Bend-project ontwikkelt een high-level taal voor parallelle berekeningen op GPU's.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>De eerste uitgaven van het Bend-project zijn gepubliceerd, dat een hoog-niveau programmeertaal voor parallelle berekeningen ontwikkelt, die wordt gepositioneerd als een alternatief voor laag-niveau talen zoals CUDA en Metal, met een expressieve syntaxis en mogelijkheden voor verbeterd ontwikkelgemak, vergelijkbaar met talen zoals Python en Haskell. De code van het project is geschreven in Rust en wordt verspreid onder de Apache 2.0-licentie.          <\/p>\n<p>De mogelijkheden van de Bend-taal omvatten snelle objectallocatie, het gebruik van higher-order functies, closures, continuations, onbeperkte recursie, patroonmatching, recursieve matches (fold) en cycles (bend), evenals ondersteuning voor gehele getallen, strings en lijntypes. Er worden twee syntaxisvarianten ondersteund - in de stijl van Python en in de stijl van Haskell. In programma's is er geen noodzaak om annotaties voor parallelle afhandeling op te geven, expliciete draadcreatie of het instellen van sloten. Parallelle verwerking gebeurt automatisch, bijvoorbeeld bij het berekenen van de expressie \"((1 + 2) + (3 + 4))\", waarbij de operaties \"1 + 2\" en \"3 + 4\" parallel zullen worden uitgevoerd.     <\/p>\n<p> Programma's geschreven in Bend kunnen worden uitgevoerd op hardware die massale parallelisme ondersteunt, zoals GPU's, en tonen een vrijwel lineaire prestatiegroei afhankelijk van het aantal verwerkingskernen. Code in Bend wordt gecompileerd naar een laag-niveau tussenrepresentatie genaamd HVM2 (Higher-order Virtual Machine 2), die vervolgens wordt gecompileerd naar C en CUDA. Momenteel ondersteunt het project alleen uitvoering op NVIDIA GPU's.           <\/p>\n<p>Wat betreft de prestaties, de testapplicatie met een implementatie van bitonale sortering werd uitgevoerd op de Apple M3 Max CPU in \u00e9\u00e9n thread in 12,15 seconden. Bij het gebruik van 16 threads was dit 0,96 seconden, en met de NVIDIA RTX 4090 GPU met 16k threads was dit 0,21 seconden. \n\ndef sort(d, s, boom):\n\tswitch d:\n\t\tcase 0:\n\t\t\treturn boom\n\t\tcase _:\n\t\t\t(x,y) = boom\n\t\t\tlft = sort(d-1, 0, x)\n\t\t\trgt = sort(d-1, 1, y)\n\t\t\treturn rots(d, s, lft, rgt)\n\ndef rots(d, s, boom):\n\tswitch d:\n\t\tcase 0:\n\t\t\treturn boom\n\t\tcase _:\n\t\t\t(x,y) = boom\n\t\t\treturn down(d, s, warp(d-1, s, x, y))\n\t\u2026<br \/>\n<br \/>Bron: <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 5.0.3 - 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 \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 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