{"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 lanciato il motore di tracciamento dei raggi 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 ad alta qualit\u00e0 mediante tracing dei raggi, adatto all'uso in applicazioni interattive. Il motore \u00e8 in sviluppo 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 di visualizzazione software per calcoli scientifici <noindex><a rel=\"nofollow\" href=\"http:\/\/sdvis.org\/\">SDVis<\/a><\/noindex> (Software Defined Visualization), che includono una libreria di tracing dei raggi <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 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 si utilizza 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\">tracing dei raggi<\/a><\/noindex>. Supporta la visualizzazione volume e su piano, illuminazione globale <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\">fotorealistica<\/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\">Ambient occlusion<\/a><\/noindex>&#171;).<\/p>\n<p>OSPRay utilizza solo le capacit\u00e0 della CPU, senza dipendere dalla GPU, il che consente di utilizzare la libreria su una vasta gamma di dispositivi, dalle workstation ai nodi nei cluster di calcolo. Per garantire prestazioni adeguate, vengono utilizzati attivamente il multithreading e la vettorizzazione basata su istruzioni SIMD, come Intel SSE4, AVX, AVX2 e AVX-512 (per l'uso di OSPRay \u00e8 richiesta almeno la compatibilit\u00e0 con SSE4.1). <\/p>\n<p>Il rendering pu\u00f2 essere distribuito su pi\u00f9 nodi di un cluster (supporta MPI), il che consente, ad esempio, di utilizzare OSPRay per organizzare 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\">video wall<\/a><\/noindex>, un'unica immagine su cui \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 40960&#215;8000 o 328 megapixel) e gestito da un cluster di 40 server con CPU a 6 core basati sull'architettura 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 lanciato il motore di tracciamento dei raggi distribuito OSPRay 2.0\" src=\"\/wp-content\/uploads\/2020\/01\/440244494cfbc0ad557fa1dec2efd560.png\" style=\"display:block;margin: 0 auto;\" \/><\/a><\/noindex><\/center><\/p>\n<p>Un cambiamento significativo del numero di versione \u00e8 dovuto a una grande revisione dell'API, inclusi i cambiamenti che rompono la compatibilit\u00e0 (per semplificare 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 nell'immagine. Sono state estratte in repository separati la libreria ospcommon e il modulo per il supporto di MPI.<\/p>\n<p><center><noindex><a rel=\"nofollow\" href=\"http:\/\/www.ospray.org\/images\/teaser_moana.jpg\"><img decoding=\"async\" alt=\"Intel ha lanciato il motore di tracciamento dei raggi 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 lanciato il motore di tracciamento dei raggi 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 lanciato il motore di tracciamento dei raggi 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 5.0.2 - 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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