{"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\/pt\/blog\/news\/intel-vypustil-dvizhok-raspredelyonnoj-trassirovki-luchej-ospray-2-0","title":{"rendered":"A Intel lan\u00e7ou o motor de rastreamento de feixe distribu\u00eddo OSPRay 2.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

A Intel apresentou<\/a><\/noindex> lan\u00e7amento significativo de um motor de renderiza\u00e7\u00e3o 3D escal\u00e1vel OSPRay 2.0<\/a><\/noindex>, projetado para visualiza\u00e7\u00e3o realista de alta qualidade por meio de ray tracing, adequado para aplica\u00e7\u00f5es interativas. O motor est\u00e1 em desenvolvimento como parte de um projeto maior Intel Rendering Framework<\/a><\/noindex>, voltado para o desenvolvimento de ferramentas de visualiza\u00e7\u00e3o computacional de c\u00e1lculos cient\u00edficos SDVis<\/a><\/noindex> (Software Defined Visualization), incluindo uma biblioteca de ray tracing Embree<\/a><\/noindex>, um sistema de renderiza\u00e7\u00e3o fotorrealista GLuRay<\/a><\/noindex>, uma biblioteca para redu\u00e7\u00e3o de ru\u00eddo em imagens oidn (Open Image Denoise)<\/a><\/noindex> e um sistema de rasteriza\u00e7\u00e3o computacional OpenSWR<\/a><\/noindex>. O c\u00f3digo \u00e9 escrito em C++ e foi publicado<\/a><\/noindex> est\u00e3o sob a licen\u00e7a Apache 2.0.<\/p>\n

OSPRay \u00e9 principalmente direcionado para uso em aplica\u00e7\u00f5es interativas para renderiza\u00e7\u00e3o em tempo real. Para simular o comportamento da luz, \u00e9 utilizado o m\u00e9todo ray tracing<\/a><\/noindex>. Suporta visualiza\u00e7\u00e3o volum\u00e9trica e em superf\u00edcie, ilumina\u00e7\u00e3o global fotorrealista<\/a><\/noindex> considerando as propriedades f\u00edsicas dos materiais, efeitos de sombra expandidos (sombras, transpar\u00eancia e sombrasAmbient occlusion<\/a><\/noindex>«).<\/p>\n

OSPRay utiliza apenas recursos de CPU, sem depender de GPU, o que permite que a biblioteca seja usada em uma ampla gama de dispositivos, de esta\u00e7\u00f5es de trabalho a n\u00f3s em clusters computacionais. Para garantir o desempenho adequado, utiliza-se ativamente multithreading e vetoriza\u00e7\u00e3o baseada em instru\u00e7\u00f5es SIMD, como Intel SSE4, AVX, AVX2 e AVX-512 (para opera\u00e7\u00e3o do OSPRay, pelo menos o suporte a SSE4.1 \u00e9 necess\u00e1rio). <\/p>\n

A renderiza\u00e7\u00e3o pode ser distribu\u00edda em v\u00e1rios n\u00f3s do cluster (MPI \u00e9 suportado), permitindo, por exemplo, que OSPRay seja usado para organizar a renderiza\u00e7\u00e3o de imagens de muito alta resolu\u00e7\u00e3o em paredes de v\u00eddeo<\/a><\/noindex>, uma \u00fanica imagem formada por um conjunto de pain\u00e9is LCD separados. Por exemplo, o funcionamento do OSPRay foi demonstrado em uma tela composta Stallion<\/a><\/noindex>, composto por 80 monitores de 30 polegadas (resolu\u00e7\u00e3o total de 40960\u00d78000 ou 328 megapixels) e suportado por um cluster de 40 servidores com CPUs de 6 n\u00facleos baseadas na microarquitetura Intel Sandy Bridge. <\/p>\n

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

A mudan\u00e7a significativa no n\u00famero da vers\u00e3o se deve a uma grande reformula\u00e7\u00e3o da API, incluindo altera\u00e7\u00f5es que quebram a compatibilidade (para facilitar a transi\u00e7\u00e3o para a nova API, foi proposta uma biblioteca intermedi\u00e1ria para suavizar a migra\u00e7\u00e3o) e a introdu\u00e7\u00e3o de novos tipos geom\u00e9tricos. Foi adicionado suporte ao Open VKL (Open Volume Kernel Library) para renderiza\u00e7\u00e3o volum\u00e9trica. A funcionalidade de conex\u00e3o foi implementada m\u00f3dulo<\/a><\/noindex> para suprimir ru\u00eddos na imagem. As bibliotecas ospcommon e o m\u00f3dulo de suporte ao MPI foram transferidos para reposit\u00f3rios separados.<\/p>\n

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

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

Fonte: 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\udd47A Intel lan\u00e7ou o motor de rastreamento de raios distribu\u00eddo OSPRay 2.0 | ProHoster","description":"A Intel apresentou um lan\u00e7amento significativo do motor de renderiza\u00e7\u00e3o 3D 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