{"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\/it\/blog\/news\/intel-vypustil-dvizhok-raspredelyonnoj-trassirovki-luchej-ospray-3-0","title":{"rendered":"Intel ha rilasciato il motore di tracciamento ray tracing distribuito OSPRay 3.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>L'azienda Intel ha rilasciato il motore di rendering 3D scalabile OSPRay 3.0, progettato per la visualizzazione realistica e di alta qualit\u00e0 tramite ray tracing. Il motore \u00e8 in fase di sviluppo come parte di un progetto pi\u00f9 ampio, l'Intel Rendering Framework, che mira a sviluppare strumenti di visualizzazione software per calcoli scientifici SDVis (Software Defined Visualization), comprendente la libreria di ray tracing Embree, il sistema di rendering fotorealistico GLuRay, la libreria per la rimozione del rumore di immagini oidn (Open Image Denoise) e il sistema di rasterizzazione software OpenSWR. Il codice \u00e8 scritto in C++ ed \u00e8 pubblicato sotto licenza Apache 2.0.    <\/p>\n<p>OSPRay \u00e8 principalmente progettato per l'uso in applicazioni interattive per il rendering di scene in tempo reale. Per simulare il comportamento della luce viene utilizzato il metodo del tracciamento dei raggi. \u00c8 supportata la visualizzazione volumetrica e piana, con illuminazione globale fotorealistica che tiene conto delle propriet\u00e0 fisiche dei materiali, effetti di ombreggiatura avanzati (ombre, trasparenza e ombreggiatura 'Ambient occlusion').    <\/p>\n<p>OSPRay pu\u00f2 funzionare senza dipendere dalla GPU, consentendo l'uso della libreria su una vasta gamma di dispositivi, dalle workstation ai nodi nei cluster computazionali. Per garantire le prestazioni appropriate, viene attivamente utilizzata la multithreading e la vettorizzazione basata su istruzioni SIMD, come Intel SSE4, AVX, AVX2 e AVX-512 (OSPRay richiede almeno il supporto di SSE4.1 per funzionare).     <\/p>\n<p>Il rendering pu\u00f2 essere distribuito su pi\u00f9 nodi di un cluster (\u00e8 supportato MPI), il che consente, ad esempio, di utilizzare OSPRay per organizzare il rendering di immagini ad altissima risoluzione su pareti di visualizzazione, dove un'unica immagine \u00e8 composta da un insieme di pannelli LCD separati. Ad esempio, l'operativit\u00e0 di OSPRay \u00e8 stata dimostrata su uno schermo composito Stallion, composto da 80 monitor da 30 pollici (risoluzione totale di 40960\u00d78000 o 328 megapixel) e gestito da un cluster di 40. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/it\/server\/\"   title=\"server\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"1698\">server<\/a> con CPU esacore basate sull'architettura micro Intel Sandy Bridge.     <\/p>\n<p>Tra le modifiche aggiunte:  <\/p>\n<ul>\n<li class=\"l\"> \u00c8 stata implementata una funzionalit\u00e0 sperimentale che consente l'uso delle GPU Intel Xe (serie Intel Arc Flex e Max) per l'accelerazione hardware del tracciamento dei raggi (nelle versioni precedenti di OSPRay, il tracciamento dei raggi veniva eseguito solo sulla CPU). Il supporto per le GPU \u00e8 implementato tramite un livello SYCL, che consente di creare applicazioni eterogenee in linguaggio C++ (DPC++ \u2014 Data Parallel C++). Non tutte le funzionalit\u00e0 di rendering sono ancora disponibili con il nuovo dispositivo 'gpu'; ad esempio, al momento non \u00e8 ancora supportato il ritaglio, il blur e la suddivisione delle superfici lisce.\n<li class=\"l\"> \u00c8 stata aggiunta l'indicizzazione implicita della geometria della maglia poligonale.\n<li class=\"l\"> \u00c8 stato aggiunto il supporto per il trasferimento della propriet\u00e0 dei buffer temporanei.\n<li class=\"l\"> \u00c8 stata ottimizzata la modulazione MPI, grazie ai nuovi strumenti integrati per il monitoraggio delle prestazioni.\n<li class=\"l\"> \u00c8 stata ottimizzata la riempimento del gradiente nel renderer SciVis.\n<li class=\"l\"> Sono state apportate modifiche all'API che rompono la compatibilit\u00e0. \u00c8 stata interrotta la supporto per parametri e chiamate obsoleti.\n<li class=\"l\"> Sono stati aumentati i requisiti per le versioni minime delle dipendenze: Embree 4.3.0, Open VKL 2.0.0, Open Image Denoise 2.1.0, ISPC 1.21.1 e rkcommon v1.12.0.    <\/ul>\n<p>    <center><img decoding=\"async\" alt=\"Intel ha rilasciato il motore di tracciamento ray tracing distribuito OSPRay 3.0\" src=\"\/wp-content\/uploads\/2023\/10\/231e8ac1eb209bfe04aadf3f86611bc1.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/center>    <center><img decoding=\"async\" alt=\"Intel ha rilasciato il motore di tracciamento ray tracing distribuito OSPRay 3.0\" src=\"\/wp-content\/uploads\/2023\/10\/64f5e6fa1b9a5e6defd45034bcfc3b33.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/center><br \/>\n<br \/>Fonte: <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 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\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 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