{"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\/ro\/blog\/news\/proekt-bend-razvivaet-vysokourovnevyj-yazyk-dlya-parallelnyh-vychislenij-na-gpu","title":{"rendered":"Proiectul Bend dezvolt\u0103 un limbaj de nivel \u00eenalt pentru calculul paralel pe GPU","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Au fost publicate primele versiuni ale proiectului Bend, care dezvolt\u0103 un limbaj de programare la un nivel \u00eenalt pentru calcul paralel, fiind prezentat ca o alternativ\u0103 la limbajele de nivel \u00eenalt, cum ar fi CUDA \u0219i Metal, av\u00e2nd o sintax\u0103 expresiv\u0103 \u0219i func\u021bionalit\u0103\u021bi care \u00eembun\u0103t\u0103\u021besc confortul dezvolt\u0103rii, specifice limbajelor precum Python \u0219i Haskell. Codul proiectului este scris \u00een limbajul Rust \u0219i este distribuit sub licen\u021ba Apache 2.0.          <\/p>\n<p>Printre func\u021bionalit\u0103\u021bile limbajului Bend se num\u0103r\u0103 distribu\u021bia rapid\u0103 a obiectelor, utilizarea func\u021biilor de ordin superior, \u00eenchideri, continu\u0103ri, recursie nelimitat\u0103, potrivire de model, potriviri recursive (fold) \u0219i bucle (bend), precum \u0219i tipuri \u00eentregi, de \u0219iruri \u0219i liste. Se suport\u0103 dou\u0103 variante de sintax\u0103 \u2014 \u00een stil Python \u0219i \u00een stil Haskell. \u00cen programe nu este necesar\u0103 specificarea anot\u0103rilor pentru paralelizare, crearea explicit\u0103 a firelor \u0219i stabilirea de blocaje. Paralelizarea se realizeaz\u0103 automat, de exemplu, la calcularea expresiei \u201e((1 + 2) + (3 + 4))\u201d, opera\u021biile \u201e1 + 2\u201d \u0219i \u201e3 + 4\u201d vor fi efectuate \u00een paralel.     <\/p>\n<p> Programele scrise \u00een limbajul Bend pot fi executate pe hardware care asigur\u0103 paralelism masiv, cum ar fi GPU-urile, demonstr\u00e2nd o cre\u0219tere practic liniar\u0103 a performan\u021bei \u00een func\u021bie de num\u0103rul nucleelor de calcul. Codul \u00een limbajul Bend este compilat \u00eentr-o reprezentare intermediar\u0103 de nivel inferior HVM2 (Higher-order Virtual Machine 2), care este apoi compilat\u0103 \u00een C \u0219i CUDA. \u00cen prezent, proiectul suport\u0103 doar execu\u021bia pe GPU NVIDIA.           <\/p>\n<p>\u00cen ceea ce prive\u0219te performan\u021ba, aplica\u021bia de testare cu implementarea sort\u0103rii bitonale, rulat\u0103 pe un singur fir de CPU Apple M3 Max, a fost finalizat\u0103 \u00een 12.15 sec., utiliz\u00e2nd 16 fire \u2014 \u00een 0.96 sec., iar cu implicarea GPU NVIDIA RTX 4090 cu 16k fire \u2014 \u00een 0.21 sec. 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 \/>Sursa: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=61224\">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\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 5.0.2.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u044b 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