{"id":110971,"date":"2023-10-20T03:10:14","date_gmt":"2023-10-20T01:10:15","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/intel-vypustil-dvizhok-raspredelyonnoj-trassirovki-luchej-ospray-3-0"},"modified":"2023-10-20T03:10:14","modified_gmt":"2023-10-20T01:10:15","slug":"intel-vypustil-dvizhok-raspredelyonnoj-trassirovki-luchej-ospray-3-0","status":"publish","type":"post","link":"https:\/\/prohoster.info\/ro\/blog\/news\/intel-vypustil-dvizhok-raspredelyonnoj-trassirovki-luchej-ospray-3-0","title":{"rendered":"Intel a lansat motorul de trasare a razelor distribuit OSPRay 3.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Compania Intel a lansat motorul de redare 3D scalabil OSPRay 3.0, destinat vizualiz\u0103rii realiste de \u00eenalt\u0103 calitate prin metoda ray tracing. Motorul este dezvoltat ca parte a unui proiect mai mare, Intel Rendering Framework, care \u00ee\u0219i propune dezvoltarea unor instrumente de vizualizare software pentru calculele \u0219tiin\u021bifice SDVis (Software Defined Visualization), incluz\u00e2nd biblioteca de ray tracing Embree, sistemul de redare fotorealist\u0103 GLuRay, biblioteca pentru eliminarea zgomotului din imagini oidn (Open Image Denoise) \u0219i sistemul de rasterizare software OpenSWR. Codul este scris \u00een C++ \u0219i este publicat sub licen\u021ba Apache 2.0.    <\/p>\n<p>OSPRay este destinat \u00een principal utiliz\u0103rii \u00een aplica\u021bii interactive pentru redarea scenei \u00een timp real. Metoda de trasare a razelor este utilizat\u0103 pentru a simula comportamentul luminii. Suport\u0103 vizualizarea at\u00e2t \u00een volum, c\u00e2t \u0219i pe suprafe\u021be plane, iluminare global\u0103 fotorealist\u0103 care ia \u00een considerare propriet\u0103\u021bile fizice ale materialelor, efecte avansate de umbrire (umbras\u0103, transparen\u021b\u0103 \u0219i umbrire \"Ambient occlusion\").    <\/p>\n<p>OSPRay poate func\u021biona f\u0103r\u0103 a depinde de GPU, ceea ce permite utilizarea bibliotecii pe o gam\u0103 larg\u0103 de dispozitive, de la sta\u021bii de lucru la noduri \u00een clustere de calcul. Pentru a asigura performan\u021be adecvate, sunt folosite activ multithreadingul \u0219i vectorizarea pe baza instruc\u021biunilor SIMD, cum ar fi Intel SSE4, AVX, AVX2 \u0219i AVX-512 (pentru func\u021bionarea OSPRay, este necesar\u0103 cel pu\u021bin suportul SSE4.1).     <\/p>\n<p>Redarea poate fi distribuit\u0103 pe mai multe noduri ale clusterului (MPI este suportat), ceea ce permite, de exemplu, utilizarea OSPRay pentru organizarea red\u0103rii imaginilor cu o rezolu\u021bie foarte \u00eenalt\u0103 pe ecrane mari, o imagine unic\u0103 fiind format\u0103 dintr-un set de panouri LCD separate. De exemplu, activitatea OSPRay a fost demonstrat\u0103 pe un ecran compus Stallion, format din 80 de monitoare de 30 de inci (rezolu\u021bia total\u0103 de 40960\u00d78000 sau 328 megapixeli) \u0219i gestionat de un cluster de 40. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/ro\/server\/\"   title=\"servere\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"1698\">servere<\/a> cu CPU-uri cu 6 nuclee pe arhitectura micro Intel Sandy Bridge.     <\/p>\n<p>Printre modific\u0103rile ad\u0103ugate:  <\/p>\n<ul>\n<li class=\"l\"> A fost implementat\u0103 o func\u021bionalitate experimental\u0103 pentru utilizarea GPU-ului Intel Xe (seria Intel Arc Flex \u0219i Max) pentru accelerarea hardware a tras\u0103rii razelor (\u00een versiunile anterioare ale OSPRay, trasarea razelor se realiza doar pe CPU). Suportul pentru GPU este realizat printr-o interfa\u021b\u0103 SYCL, care permite crearea de aplica\u021bii heterogene \u00een limbajul C++ (DPC++ \u2014 Data Parallel C++). Nu toate func\u021bionalit\u0103\u021bile de redare sunt deocamdat\u0103 disponibile la utilizarea noului dispozitiv \u201egpu\u201d; de exemplu, momentan nu sunt suportate decuparea, estomparea \u0219i construirea de suprafe\u021be netede (Subdivision).\n<li class=\"l\"> A fost ad\u0103ugat\u0103 indexarea implicit\u0103 a geometriei re\u021belei poligonale.\n<li class=\"l\"> A fost ad\u0103ugat suportul pentru transferul propriet\u0103\u021bii tamponului temporar.\n<li class=\"l\"> A fost optimizat modulul MPI, realizat datorit\u0103 noului instrument integrat pentru monitorizarea performan\u021bei.\n<li class=\"l\"> A fost optimizat\u0103 umplerea gradientului \u00een renderer-ul SciVis.\n<li class=\"l\"> Au fost aduse modific\u0103ri \u00een API care sunt incompatibile. Suportul pentru parametrii \u0219i apeluri \u00eenvechite a fost \u00eentrerupt.\n<li class=\"l\"> Cerin\u021bele pentru versiunile minime ale dependen\u021belor au fost crescute: Embree 4.3.0, Open VKL 2.0.0, Open Image Denoise 2.1.0, ISPC 1.21.1 \u0219i rkcommon v1.12.0.    <\/ul>\n<p>    <center><img decoding=\"async\" alt=\"Intel a lansat motorul de trasare a razelor distribuit OSPRay 3.0\" src=\"\/wp-content\/uploads\/2023\/10\/231e8ac1eb209bfe04aadf3f86611bc1.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/center>    <center><img decoding=\"async\" alt=\"Intel a lansat motorul de trasare a razelor distribuit OSPRay 3.0\" src=\"\/wp-content\/uploads\/2023\/10\/64f5e6fa1b9a5e6defd45034bcfc3b33.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/center><br \/>\n<br \/>Sursa: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=59958\">opennet.ro<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Intel \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b\u0430 \u043c\u0430\u0441\u0448\u0442\u0430\u0431\u0438\u0440\u0443\u0435\u043c\u044b\u0439 \u0434\u0432\u0438\u0436\u043e\u043a 3D-\u0440\u0435\u043d\u0434\u0435\u0440\u0438\u043d\u0433\u0430 OSPRay 3.0, \u043f\u0440\u0435\u0434\u043d\u0430\u0437\u043d\u0430\u0447\u0435\u043d\u043d\u044b\u0439 \u0434\u043b\u044f \u0440\u0435\u0430\u043b\u0438\u0441\u0442\u0438\u0447\u043d\u043e\u0439 \u0432\u044b\u0441\u043e\u043a\u043e\u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435\u043d\u043d\u043e\u0439 \u0432\u0438\u0437\u0443\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u043c\u0435\u0442\u043e\u0434\u043e\u043c \u0442\u0440\u0430\u0441\u0441\u0438\u0440\u043e\u0432\u043a\u0438 \u043b\u0443\u0447\u0435\u0439. \u0414\u0432\u0438\u0436\u043e\u043a \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0435\u0442\u0441\u044f \u043a\u0430\u043a \u0447\u0430\u0441\u0442\u044c \u0431\u043e\u043b\u0435\u0435 \u043a\u0440\u0443\u043f\u043d\u043e\u0433\u043e \u043f\u0440\u043e\u0435\u043a\u0442\u0430 Intel Rendering Framework, \u043d\u0430\u0446\u0435\u043b\u0435\u043d\u043d\u043e\u0433\u043e \u043d\u0430 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0443 \u0441\u0440\u0435\u0434\u0441\u0442\u0432 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0439 \u0432\u0438\u0437\u0443\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u043d\u0430\u0443\u0447\u043d\u044b\u0445 \u0440\u0430\u0441\u0447\u0451\u0442\u043e\u0432 SDVis (Software Defined Visualization), \u0432\u043a\u043b\u044e\u0447\u0430\u044e\u0449\u0438\u0445 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0443 \u0442\u0440\u0430\u0441\u0441\u0438\u0440\u043e\u0432\u043a\u0438 \u043b\u0443\u0447\u0435\u0439 Embree, \u0441\u0438\u0441\u0442\u0435\u043c\u0443 \u0444\u043e\u0442\u043e\u0440\u0435\u0430\u043b\u0438\u0441\u0442\u0438\u0447\u043d\u043e\u0439 \u043e\u0442\u0440\u0438\u0441\u043e\u0432\u043a\u0438 GLuRay, \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0443 \u0434\u043b\u044f \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u044f \u0448\u0443\u043c\u043e\u0432 \u043d\u0430 \u0438\u0437\u043e\u0431\u0440\u0430\u0436\u0435\u043d\u0438\u044f\u0445 oidn (Open [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":110972,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-110971","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2.1 - aioseo.com -->\n\t<meta name=\"description\" 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