{"id":55570,"date":"2020-01-23T00:00:00","date_gmt":"2020-01-22T21:00:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/intel-vypustil-dvizhok-raspredelyonnoj-trassirovki-luchej-ospray-2-0"},"modified":"2020-02-18T14:03:42","modified_gmt":"2020-02-18T11:03:42","slug":"intel-vypustil-dvizhok-raspredelyonnoj-trassirovki-luchej-ospray-2-0","status":"publish","type":"post","link":"https:\/\/prohoster.info\/da\/blog\/news\/intel-vypustil-dvizhok-raspredelyonnoj-trassirovki-luchej-ospray-2-0","title":{"rendered":"Intel har udgivet den distribuerede ray tracing engine OSPRay 2.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Intel pr\u00e6senterede<\/a><\/noindex> betydelig udgivelse af en skalerbar 3D-rendering motor OSPRay 2.0<\/a><\/noindex>, designet til realistik, h\u00f8j kvalitet visualisering ved hj\u00e6lp af ray tracing, egnet til brug i interaktive applikationer. Motoren udvikles som en del af et st\u00f8rre projekt Intel Rendering Framework<\/a><\/noindex>, der har til form\u00e5l at udvikle softwarev\u00e6rkt\u00f8jer til visualisering af videnskabelige beregninger SDVis<\/a><\/noindex> (Software Defined Visualization), som inkluderer et ray tracing bibliotek Embree<\/a><\/noindex>, et fotorealistisk renderingssystem GLuRay<\/a><\/noindex>, et bibliotek til st\u00f8jreduktion i billeder oidn (Open Image Denoise)<\/a><\/noindex> og et software rasteriseringssystem OpenSWR<\/a><\/noindex>. Koden er skrevet i C++ og udgivet<\/a><\/noindex> er under Apache 2.0-licensen.<\/p>\n

OSPRay er hovedsageligt rettet mod brug i interaktive applikationer til realtids rendering af scener. For at simulere lysadf\u00e6rd anvendes metoden path tracing<\/a><\/noindex>. Visualisering underst\u00f8ttes b\u00e5de i volume og p\u00e5 flade, fotorealistisk global belysning<\/a><\/noindex> under hensyn til de fysiske egenskaber ved materialerne, udvidede skyggeeffekter (skygger, gennemsigtighed og skygge)Ambient occlusion<\/a><\/noindex>«).<\/p>\n

OSPRay bruger udelukkende CPU-ressourcer uden at v\u00e6re afh\u00e6ngig af GPU, hvilket g\u00f8r det muligt at anvende biblioteket p\u00e5 en bred vifte af enheder, fra arbejdsstationer til noder i beregningsklynger. For at sikre passende ydeevne anvendes multithreading og 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

Rendering kan distribueres p\u00e5 tv\u00e6rs af flere noder i klyngen (MPI underst\u00f8ttes), hvilket eksempelvis muligg\u00f8r anvendelsen af OSPRay til at organisere rendering af billeder med meget h\u00f8j opl\u00f8sning p\u00e5 videov\u00e6gge<\/a><\/noindex>, et enkelt billede som dannes af et s\u00e6t separate LCD-paneler. For eksempel er OSPRay blevet demonstreret p\u00e5 en sammensat sk\u00e6rm Stallion<\/a><\/noindex>, sammensat af 80 30-tommer sk\u00e6rme (samlet opl\u00f8sning 40960\u00d78000 eller 328 megapixels) og betjent af et klynge af 40 servere med 6-kerne CPU'er baseret p\u00e5 Intel Sandy Bridge mikroarkitektur. <\/p>\n

\"Intel<\/a><\/noindex><\/center><\/p>\n

Den betydelige \u00e6ndring af versionsnummeret skyldes en omfattende omarbejdning af API'et, herunder \u00e6ndringer, der bryder kompatibiliteten (for at lette overgangen til det nye API er der foresl\u00e5et et mellemliggende bibliotek, der glatter migrationen), samt tilf\u00f8jelsen af nye geometriske typer. Der er tilf\u00f8jet support for Open VKL (Open Volume Kernel Library) til volumetrisk rendering. Muligheden for forbindelse er blevet implementeret et modul<\/a><\/noindex> for at undertrykke st\u00f8j p\u00e5 billedet. Biblioteket ospcommon og modulet til st\u00f8tte for MPI er flyttet til separate repositories.<\/p>\n

\"Intel<\/a><\/noindex><\/center>
\n
\"Intel<\/a><\/noindex><\/center>
\n
\"Intel<\/a><\/noindex><\/center><\/p>\n

<\/a><\/noindex><\/p>\n

Kilde: opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Intel \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u043b\u0430 \u0437\u043d\u0430\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0439 \u0432\u044b\u043f\u0443\u0441\u043a \u043c\u0430\u0441\u0448\u0442\u0430\u0431\u0438\u0440\u0443\u0435\u043c\u043e\u0433\u043e \u0434\u0432\u0438\u0436\u043a\u0430 3D-\u0440\u0435\u043d\u0434\u0435\u0440\u0438\u043d\u0433\u0430 OSPRay 2.0, \u043f\u0440\u0435\u0434\u043d\u0430\u0437\u043d\u0430\u0447\u0435\u043d\u043d\u043e\u0433\u043e \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, \u043f\u0440\u0438\u0433\u043e\u0434\u043d\u043e\u0439 \u0434\u043b\u044f \u043f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u0432 \u0438\u043d\u0442\u0435\u0440\u0430\u043a\u0442\u0438\u0432\u043d\u044b\u0445 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f\u0445. \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, […]<\/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-55570","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47Intel har udgivet OSPRay 2.0, en motor til distribueret str\u00e5lesporing | ProHoster","description":"Virksomheden Intel har pr\u00e6senteret en betydelig opdatering af den skalerbare 3D-rendering 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