{"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\/it\/blog\/news\/intel-vypustil-dvizhok-raspredelyonnoj-trassirovki-luchej-ospray-2-0","title":{"rendered":"Intel ha rilasciato il motore di tracciamento ray tracing distribuito OSPRay 2.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Azienda Intel <noindex><a rel=\"nofollow\" href=\"https:\/\/groups.google.com\/forum\/#!topic\/ospray-announce\/8c1DA3mJO0c\">ha presentato<\/a><\/noindex> notevole rilascio di un motore di rendering 3D scalabile <noindex><a rel=\"nofollow\" href=\"http:\/\/www.ospray.org\/\">OSPRay 2.0<\/a><\/noindex>, progettato per la visualizzazione realistica e di alta qualit\u00e0 tramite ray tracing, adatto per applicazioni interattive. Il motore si sviluppa come parte di un progetto pi\u00f9 ampio <noindex><a rel=\"nofollow\" href=\"https:\/\/software.intel.com\/en-us\/rendering-framework\">Intel Rendering Framework<\/a><\/noindex>, mirato allo sviluppo di strumenti per la visualizzazione scientifica basata su software <noindex><a rel=\"nofollow\" href=\"http:\/\/sdvis.org\/\">SDVis<\/a><\/noindex> (Software Defined Visualization), comprendente una libreria di ray tracing <noindex><a rel=\"nofollow\" href=\"https:\/\/embree.github.io\/\">Embree<\/a><\/noindex>, un sistema di rendering fotorealistico <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/TACC\/GLuRay\">GLuRay<\/a><\/noindex>, una libreria per la riduzione del rumore nelle immagini <noindex><a rel=\"nofollow\" href=\"http:\/\/www.openimagedenoise.org\/\">oidn (Open Image Denoise)<\/a><\/noindex> e un sistema di rasterizzazione basato su software <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=43176\">OpenSWR<\/a><\/noindex>. Il codice \u00e8 scritto in C++ e <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/ospray\/ospray\">pubblicato<\/a><\/noindex> sotto licenza Apache 2.0.<\/p>\n<p>OSPRay \u00e8 principalmente destinato all'uso in applicazioni interattive per il rendering in tempo reale della scena. Per simulare il comportamento della luce viene utilizzato il metodo  <noindex><a rel=\"nofollow\" href=\"https:\/\/ru.wikipedia.org\/wiki\/%D0%A2%D1%80%D0%B0%D1%81%D1%81%D0%B8%D1%80%D0%BE%D0%B2%D0%BA%D0%B0_%D0%BF%D1%83%D1%82%D0%B8\">ray tracing<\/a><\/noindex>. \u00c8 supportata la visualizzazione volumetrica e piana, l'illuminazione globale fotorealistica <noindex><a rel=\"nofollow\" href=\"https:\/\/ru.wikipedia.org\/wiki\/%D0%93%D0%BB%D0%BE%D0%B1%D0%B0%D0%BB%D1%8C%D0%BD%D0%BE%D0%B5_%D0%BE%D1%81%D0%B2%D0%B5%D1%89%D0%B5%D0%BD%D0%B8%D0%B5\">tenendo conto delle propriet\u00e0 fisiche dei materiali, effetti avanzati di ombreggiatura (ombre, trasparenza e ombreggiatura \"<\/a><\/noindex> tenendo conto delle propriet\u00e0 fisiche dei materiali, effetti di ombreggiatura avanzati (ombre, trasparenza e ombreggiatura &#171;<noindex><a rel=\"nofollow\" href=\"https:\/\/ru.wikipedia.org\/wiki\/Ambient_occlusion\">Ombra ambiente<\/a><\/noindex>).<\/p>\n<p>OSPRay utilizza solo le capacit\u00e0 della CPU, senza dipendere dalla GPU, consentendo l'uso della libreria su una vasta gamma di dispositivi, dalle workstation ai nodi nei cluster computazionali. Per garantire prestazioni adeguate viene attivamente utilizzata la multithreading e la vettorizzazione basata su istruzioni SIMD, come Intel SSE4, AVX, AVX2 e AVX-512 (per eseguire OSPRay \u00e8 richiesta almeno la compatibilit\u00e0 con SSE4.1). <\/p>\n<p>Il rendering pu\u00f2 essere distribuito su pi\u00f9 nodi del cluster (supporto per MPI), il che consente, ad esempio, di utilizzare OSPRay per organizzarne il rendering di immagini ad altissima risoluzione su <noindex><a rel=\"nofollow\" href=\"https:\/\/ru.wikipedia.org\/wiki\/%D0%92%D0%B8%D0%B4%D0%B5%D0%BE%D1%81%D1%82%D0%B5%D0%BD%D0%B0\">videowall<\/a><\/noindex>, dove un'unica immagine \u00e8 formata da un insieme di pannelli LCD separati. Ad esempio, il funzionamento di OSPRay \u00e8 stato dimostrato su uno schermo composito <noindex><a rel=\"nofollow\" href=\"https:\/\/www.tacc.utexas.edu\/vislab\/stallion\">Stallion<\/a><\/noindex>, composto da 80 monitor da 30 pollici (risoluzione totale di 40960&#215;8000 o 328 megapixel) e supportato da un cluster di 40 server con CPU a 6 core basate sull'architettura micro di Intel Sandy Bridge. <\/p>\n<p><center><noindex><a rel=\"nofollow\" href=\"http:\/\/www.ospray.org\/gallery\/ospray_stallion.jpg\"><img decoding=\"async\" alt=\"Intel ha rilasciato il motore di tracciamento ray tracing distribuito OSPRay 2.0\" src=\"\/wp-content\/uploads\/2020\/01\/440244494cfbc0ad557fa1dec2efd560.png\" style=\"display:block;margin: 0 auto;\" \/><\/a><\/noindex><\/center><\/p>\n<p>Il cambiamento significativo del numero di versione \u00e8 dovuto a una grande ristrutturazione dell'API, comprese modifiche che rompono la compatibilit\u00e0 (per facilitare la transizione al nuovo API \u00e8 stata proposta una libreria intermedia che agevola la migrazione) e l'introduzione di nuovi tipi geometrici. \u00c8 stato aggiunto il supporto per Open VKL (Open Volume Kernel Library) per il rendering volumetrico. \u00c8 stata implementata la possibilit\u00e0 di collegare <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=50048\">modulo<\/a><\/noindex> per la soppressione del rumore nelle immagini. La libreria ospcommon e il modulo per il supporto MPI sono stati trasferiti in repository separati.<\/p>\n<p><center><noindex><a rel=\"nofollow\" href=\"http:\/\/www.ospray.org\/images\/teaser_moana.jpg\"><img decoding=\"async\" alt=\"Intel ha rilasciato il motore di tracciamento ray tracing distribuito OSPRay 2.0\" src=\"\/wp-content\/uploads\/2020\/01\/19c419a3f6d2228bc271177b015c5557.png\" style=\"display:block;margin: 0 auto;\" \/><\/a><\/noindex><\/center><br \/>\n<center><noindex><a rel=\"nofollow\" href=\"http:\/\/www.ospray.org\/gallery\/pt-LoftOffice.png\"><img decoding=\"async\" alt=\"Intel ha rilasciato il motore di tracciamento ray tracing distribuito OSPRay 2.0\" src=\"\/wp-content\/uploads\/2020\/01\/d4acb4a336881a371c9bd9eb533a9f6c.png\" style=\"display:block;margin: 0 auto;\" \/><\/a><\/noindex><\/center><br \/>\n<center><noindex><a rel=\"nofollow\" href=\"http:\/\/www.ospray.org\/gallery\/pt-car.png\"><img decoding=\"async\" alt=\"Intel ha rilasciato il motore di tracciamento ray tracing distribuito OSPRay 2.0\" src=\"\/wp-content\/uploads\/2020\/01\/ca6681a099807ecf6dac9dae0ecf74cc.png\" style=\"display:block;margin: 0 auto;\" \/><\/a><\/noindex><\/center><\/p>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Fonte: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=52234\">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 \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, [&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-55570","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.0.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\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\" \/>\n\t<meta name=\"robots\" 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