{"id":120576,"date":"2024-11-15T13:09:07","date_gmt":"2024-11-15T11:09:07","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/opublikovan-standart-parallelnogo-programmirovaniya-openmp-6-0"},"modified":"2024-11-15T13:09:07","modified_gmt":"2024-11-15T11:09:07","slug":"opublikovan-standart-parallelnogo-programmirovaniya-openmp-6-0","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pl\/blog\/news\/opublikovan-standart-parallelnogo-programmirovaniya-openmp-6-0","title":{"rendered":"Opublikowano standard r\u00f3wnoleg\u0142ego programowania OpenMP 6.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Po trzech latach prac opublikowano zestaw specyfikacji OpenMP 6.0 (Open Multi-Processing), kt\u00f3re definiuj\u0105 API oraz metody zastosowania programowania r\u00f3wnoleg\u0142ego dla j\u0119zyk\u00f3w C, C++ i Fortran na systemach wielordzeniowych i hybrydowych (CPU+GPU\/DSP) z pami\u0119ci\u0105 wsp\u00f3\u0142dzielon\u0105 oraz blokami wektoryzacji (SIMD). Zak\u0142ada si\u0119, \u017ce pocz\u0105tkowe wsparcie dla poszczeg\u00f3lnych funkcji OpenMP 6.0 zostanie w\u0142\u0105czone w wydania LLVM\/Clang 20 i GCC 15.      <\/p>\n<p>G\u0142\u00f3wne zmiany w OpenMP 6.0:  <\/p>\n<ul>\n<li class=\"l\"> Uproszczono proces programowania zada\u0144 (task), definiuj\u0105cych niezale\u017cne cz\u0119\u015bci programu, kt\u00f3re mog\u0105 by\u0107 wykonywane r\u00f3wnolegle z innymi cz\u0119\u015bciami.\n<ul>\n<li class=\"l\"> Dodano mo\u017cliwo\u015b\u0107 wykonywania zada\u0144 w w\u0105tkach free-agent, nieprzypisanych do grup w\u0105tk\u00f3w (teams), wykonuj\u0105cych regiony r\u00f3wnoleg\u0142e (parallel region, blok kodu wykonywany w kilku w\u0105tkach).\n<li class=\"l\"> Zapewniono wsparcie dla przechowywania grafu zada\u0144 (taskgraph), definiuj\u0105cego zale\u017cno\u015bci mi\u0119dzy zadaniami oraz porz\u0105dek ich wykonania, w celu zwi\u0119kszenia efektywno\u015bci subsequentnego powtarzania.\n<li class=\"l\"> Wprowadzono mechanizm zada\u0144 przejrzystych (\u201etransparent tasks\u201d) w celu uproszczenia zarz\u0105dzania zale\u017cno\u015bciami oraz automatyzacji realizacji zada\u0144 podrz\u0119dnych.  <\/ul>\n<li class=\"l\"> Rozszerzono wsparcie dla urz\u0105dze\u0144 obliczeniowych, kt\u00f3re mog\u0105 by\u0107 u\u017cywane do wykonywania zada\u0144 r\u00f3wnoleg\u0142ych (CPU, GPU, DSP itd.).\n<ul>\n<li class=\"l\"> Dodano now\u0105 sk\u0142adni\u0119 tablic, umo\u017cliwiaj\u0105c\u0105 u\u017cycie dyrektywy \u201eworkdistribute\u201d do podzia\u0142u przetwarzania tablic pomi\u0119dzy r\u00f3\u017cnymi jednostkami roboczymi.\n<li class=\"l\"> Rozszerzono mo\u017cliwo\u015bci zarz\u0105dzania alokacj\u0105 pami\u0119ci, upraszczaj\u0105c zarz\u0105dzanie zmiennymi, dla kt\u00f3rych pami\u0119\u0107 jest alokowana dynamicznie.\n<li class=\"l\"> Rozszerzono wsparcie dla atrybut\u00f3w definiuj\u0105cych rozk\u0142ad danych mi\u0119dzy urz\u0105dzeniami domy\u015blnie.\n<li class=\"l\"> U\u0142atwiono pisanie kodu dla asynchronicznych przesy\u0142\u00f3w danych do dodatkowych urz\u0105dze\u0144 obliczeniowych (GPU).\n<li class=\"l\"> Poprawiono zarz\u0105dzanie pami\u0119ci\u0105 i jej powi\u0105zaniem z urz\u0105dzeniami obliczeniowymi.\n<li class=\"l\"> Dodano dyrektyw\u0119 \u201egroupprivate\u201d do przypisania pami\u0119ci grupie w\u0105tk\u00f3w wykonywanych na okre\u015blonym urz\u0105dzeniu obliczeniowym.  <\/ul>\n<li class=\"l\"> Uproszczono programowanie niekt\u00f3rych rodzaj\u00f3w transformacji p\u0119tli, takich jak \u0142\u0105czenie kilku p\u0119tli, zmiana kolejno\u015bci zagnie\u017cd\u017conych p\u0119tli i odwracanie p\u0119tli.\n<li class=\"l\"> Dodano now\u0105 operacj\u0119 indukcji (induction) do organizacji r\u00f3wnoleg\u0142ych przetworze\u0144 w p\u0119tlach prostych oblicze\u0144 arytmetycznych i operacji u\u017cytkownika zale\u017cnych od warto\u015bci wcze\u015bniejszych.\n<li class=\"l\"> Wprowadzono pe\u0142ne wsparcie dla r\u00f3wnoleg\u0142ego przetwarzania program\u00f3w napisanych zgodnie ze standardami C23 (w tym sk\u0142adnia atrybut\u00f3w), Fortran 2023 i C++23. Dodano nowe atrybuty dla C\/C++.\n<li class=\"l\"> Rozszerzone mo\u017cliwo\u015bci zarz\u0105dzania pami\u0119ci\u0105 i sk\u0142adowaniem. Dodano nowe atrybuty do kontroli przydzielania i u\u017cycia pami\u0119ci. Dodano API do okre\u015blania i \u017c\u0105dania obszar\u00f3w pami\u0119ci (memory space).\n<li class=\"l\"> Usuni\u0119to mo\u017cliwo\u015bci og\u0142oszone za przestarza\u0142e w specyfikacjach OpenMP 5.0, 5.1 i 5.2.         <\/ul>\n<p>\u0179r\u00f3d\u0142o: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=62236\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u043e\u0441\u043b\u0435 \u0442\u0440\u0451\u0445 \u043b\u0435\u0442 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u043d\u0430\u0431\u043e\u0440 \u0441\u043f\u0435\u0446\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u0439 OpenMP 6.0 (Open Multi-Processing), \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u044f\u044e\u0449\u0438\u0445 API \u0438 \u0441\u043f\u043e\u0441\u043e\u0431\u044b \u043f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u043c\u0435\u0442\u043e\u0434\u043e\u0432 \u043f\u0430\u0440\u0430\u043b\u043b\u0435\u043b\u044c\u043d\u043e\u0433\u043e \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0434\u043b\u044f \u044f\u0437\u044b\u043a\u043e\u0432 \u0421\u0438, \u0421\u0438++ \u0438 \u0424\u043e\u0440\u0442\u0440\u0430\u043d \u043d\u0430 \u043c\u043d\u043e\u0433\u043e\u044f\u0434\u0435\u0440\u043d\u044b\u0445 \u0438 \u0433\u0438\u0431\u0440\u0438\u0434\u043d\u044b\u0445 (CPU+GPU\/DSP) \u0441\u0438\u0441\u0442\u0435\u043c\u0430\u0445 \u0441 \u043e\u0431\u0449\u0435\u0439 \u043f\u0430\u043c\u044f\u0442\u044c\u044e \u0438 \u0431\u043b\u043e\u043a\u0430\u043c\u0438 \u0432\u0435\u043a\u0442\u043e\u0440\u0438\u0437\u0430\u0446\u0438\u0438 (SIMD). \u041f\u0440\u0435\u0434\u043f\u043e\u043b\u0430\u0433\u0430\u0435\u0442\u0441\u044f, \u0447\u0442\u043e \u043d\u0430\u0447\u0430\u043b\u044c\u043d\u0430\u044f \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430 \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u044b\u0445 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u0435\u0439 OpenMP 6.0 \u0431\u0443\u0434\u0435\u0442 \u0432\u043a\u043b\u044e\u0447\u0435\u043d\u0430 \u0432 \u0441\u043e\u0441\u0442\u0430\u0432 \u0432\u044b\u043f\u0443\u0441\u043a\u043e\u0432 LLVM\/Clang 20 \u0438 GCC [&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-120576","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041f\u043e\u0441\u043b\u0435 \u0442\u0440\u0451\u0445 \u043b\u0435\u0442 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