{"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\/da\/blog\/news\/intel-vypustil-dvizhok-raspredelyonnoj-trassirovki-luchej-ospray-3-0","title":{"rendered":"Intel har udgivet den distribuerede ray tracing-motor OSPRay 3.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Virksomheden Intel har offentliggjort den skalerbare 3D-renderingsmotor OSPRay 3.0, som er designet til realistisk h\u00f8j kvalitetsvisualisering ved hj\u00e6lp af ray tracing. Motoren udvikles som en del af det st\u00f8rre projekt Intel Rendering Framework, der har til form\u00e5l at udvikle softwarev\u00e6rkt\u00f8jer til visualisering af videnskabelige beregninger SDVis (Software Defined Visualization), som inkluderer ray tracing-biblioteket Embree, systemet til fotorealistisk rendering GLuRay, biblioteket til st\u00f8jreduktion i billeder oidn (Open Image Denoise) og systemet til software rasterisering OpenSWR. Koden er skrevet i C++ og offentliggjort under Apache 2.0-licensen.    <\/p>\n<p>OSPRay er prim\u00e6rt m\u00e5lrettet mod brug i interaktive applikationer til realtids rendering af scener. Metoden til simulering af lysadf\u00e6rd er bane tracing. Der underst\u00f8ttes visualisering i volumener og p\u00e5 flader, fotorealistisk global belysning med hensyn til materialers fysiske egenskaber og udvidede skyggeeffekter (skygger, gennemsigtighed og skygge &#171;Ambient occlusion&#187;).    <\/p>\n<p>OSPRay kan fungere uden binding til GPU, hvilket giver mulighed for at bruge biblioteket p\u00e5 en bred vifte af enheder, fra arbejdsstationer til noder i computernetv\u00e6rk. For at sikre passende ydeevne anvendes multithreading aktivt samt vektorisering baseret p\u00e5 SIMD-instruktioner s\u00e5som Intel SSE4, AVX, AVX2 og AVX-512 (OSPRay kr\u00e6ver mindst st\u00f8tte for SSE4.1).     <\/p>\n<p>Rendering kan distribueres over flere noden i et cluster (MPI underst\u00f8ttes), hvilket f.eks. muligg\u00f8r brugen af OSPRay til at generere billeder med meget h\u00f8j opl\u00f8sning p\u00e5 videov\u00e6gge, hvor et enkelt billede dannes af en r\u00e6kke separate LCD-paneler. For eksempel er arbejdet med OSPRay blevet demonstreret p\u00e5 den sammensatte sk\u00e6rm Stallion, som best\u00e5r af 80 30-tommer sk\u00e6rme (total opl\u00f8sning 40960&#215;8000 eller 328 megapixel) og drives af et cluster best\u00e5ende af 40. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/da\/server\/\"   title=\"servere\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"1698\">servere<\/a> med 6-kernet CPU'er baseret p\u00e5 Intel Sandy Bridge mikroarkitektur.     <\/p>\n<p>Blandt de tilf\u00f8jede \u00e6ndringer:  <\/p>\n<ul>\n<li class=\"l\"> Der er implementeret en eksperimentel mulighed for brug af GPU Intel Xe (Intel Arc serierne Flex og Max) til hardwareacceleration af ray tracing (i tidligere versioner af OSPRay blev ray tracing kun udf\u00f8rt p\u00e5 CPU'en). GPU-underst\u00f8ttelse er implementeret ved hj\u00e6lp af en SYCL-lag, der tillader oprettelse af heterogene applikationer p\u00e5 C++ (DPC++ &#8212; Data Parallel C++). Ikke alle renderingmuligheder er endnu tilg\u00e6ngelige ved brug af den nye &#171;gpu&#187; enhed, for eksempel underst\u00f8ttes besk\u00e6ring, sl\u00f8ring og stykkevis opbygning af glatte overflader (Subdivision) endnu ikke.\n<li class=\"l\"> Implicit indeksering af polygonale netgeometrier er tilf\u00f8jet.\n<li class=\"l\"> Underst\u00f8ttelse af overdragelse af ejerskab af midlertidige buffere er tilf\u00f8jet.\n<li class=\"l\"> Optimering af MPI-modulet er udf\u00f8rt ved hj\u00e6lp af det nye integrerede v\u00e6rkt\u00f8j til at overv\u00e5ge ydeevnen.\n<li class=\"l\"> Gradientfyldningen i SciVis-rendereren er optimeret.\n<li class=\"l\"> API'en har f\u00e5et \u00e6ndringer, der bryder bagudkompatibiliteten. Underst\u00f8ttelsen af for\u00e6ldede parametre og kald er stoppet.\n<li class=\"l\"> Minimumskravene til afh\u00e6ngigheder er blevet h\u00e6vet: Embree 4.3.0, Open VKL 2.0.0, Open Image Denoise 2.1.0, ISPC 1.21.1 og rkcommon v1.12.0.    <\/ul>\n<p>    <center><img decoding=\"async\" alt=\"Intel har udgivet den distribuerede ray tracing-motor OSPRay 3.0\" src=\"\/wp-content\/uploads\/2023\/10\/231e8ac1eb209bfe04aadf3f86611bc1.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/center>    <center><img decoding=\"async\" alt=\"Intel har udgivet den distribuerede ray tracing-motor OSPRay 3.0\" src=\"\/wp-content\/uploads\/2023\/10\/64f5e6fa1b9a5e6defd45034bcfc3b33.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/center><br \/>\n<br \/>Kilde: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=59958\">opennet.ru<\/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 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" 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