{"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\/es\/blog\/news\/intel-vypustil-dvizhok-raspredelyonnoj-trassirovki-luchej-ospray-3-0","title":{"rendered":"Intel ha lanzado el motor de trazado de rayos distribuido OSPRay 3.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>La empresa Intel ha publicado el motor de renderizado 3D escalable OSPRay 3.0, dise\u00f1ado para la visualizaci\u00f3n realista de alta calidad mediante trazado de rayos. El motor se desarrolla como parte de un proyecto m\u00e1s grande llamado Intel Rendering Framework, orientado a la creaci\u00f3n de herramientas de visualizaci\u00f3n software para c\u00e1lculos cient\u00edficos SDVis (Software Defined Visualization), que incluye la biblioteca de trazado de rayos Embree, un sistema de renderizado fotorrealista GLuRay, la biblioteca para eliminaci\u00f3n de ruido en im\u00e1genes oidn (Open Image Denoise) y un sistema de rasterizaci\u00f3n software OpenSWR. El c\u00f3digo est\u00e1 escrito en C++ y se publica bajo la licencia Apache 2.0.    <\/p>\n<p>OSPRay est\u00e1 dise\u00f1ado principalmente para su uso en aplicaciones interactivas para el renderizado de escenas en tiempo real. Para simular el comportamiento de la luz, se utiliza el m\u00e9todo de trazado de rayos. Se admite visualizaci\u00f3n volum\u00e9trica y en plano, iluminaci\u00f3n global fotorrealista teniendo en cuenta las propiedades f\u00edsicas de los materiales, y efectos de sombreado avanzados (sombras, transparencia y sombreado 'Ambient occlusion').    <\/p>\n<p>OSPRay puede funcionar sin dependencia de GPU, lo que permite utilizar la biblioteca en una amplia gama de dispositivos, desde estaciones de trabajo hasta nodos en cl\u00fasteres de computaci\u00f3n. Para garantizar un rendimiento adecuado, se hace uso intensivo de multithreading y vectorizaci\u00f3n basada en instrucciones SIMD como Intel SSE4, AVX, AVX2 y AVX-512 (para que OSPRay funcione, al menos se requiere soporte para SSE4.1).     <\/p>\n<p>El renderizado se puede distribuir entre varios nodos de un cl\u00faster (se admite MPI), lo que, por ejemplo, permite utilizar OSPRay para organizar la renderizaci\u00f3n de im\u00e1genes en muy alta resoluci\u00f3n en pantallas de video, donde una \u00fanica imagen se forma a partir de un conjunto de paneles LCD individuales. Por ejemplo, el trabajo de OSPRay se ha demostrado en la pantalla compuesta Stallion, compuesta por 80 monitores de 30 pulgadas (resoluci\u00f3n total de 40960\u00d78000 o 328 megap\u00edxeles) y atendida por un cl\u00faster de 40. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/es\/server\/\"   title=\"servidores\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"1698\">servidores<\/a> con CPU de 6 n\u00facleos basados en la microarquitectura Intel Sandy Bridge.     <\/p>\n<p>Entre los cambios a\u00f1adidos:  <\/p>\n<ul>\n<li class=\"l\"> Se ha implementado una funci\u00f3n experimental para el uso de GPU Intel Xe (serie Intel Arc Flex y Max) para la aceleraci\u00f3n por hardware del trazado de rayos (en versiones anteriores de OSPRay, el trazado de rayos solo se realizaba en CPU). El soporte de GPU se ha implementado mediante una capa SYCL, que permite crear aplicaciones heterog\u00e9neas en C++ (DPC++ \u2014 Data Parallel C++). No todas las capacidades de renderizado est\u00e1n disponibles actualmente al usar el nuevo dispositivo 'gpu'; por ejemplo, la recorte, el desenfoque y la construcci\u00f3n de superficies suaves por partes (Subdivision) a\u00fan no est\u00e1n soportados.\n<li class=\"l\"> Se ha a\u00f1adido indexaci\u00f3n impl\u00edcita de la geometr\u00eda de la malla poligonal.\n<li class=\"l\"> Se ha a\u00f1adido soporte para la transferencia de propiedad de buffers temporales.\n<li class=\"l\"> Se ha optimizado el m\u00f3dulo MPI, logrado gracias a la nueva herramienta integrada para el seguimiento del rendimiento.\n<li class=\"l\"> Se ha optimizado el relleno de gradientes en el renderizador SciVis.\n<li class=\"l\"> Se han realizado cambios en la API que rompen la compatibilidad. Se ha interrumpido el soporte para par\u00e1metros y llamadas obsoletas.\n<li class=\"l\"> Se han incrementado los requisitos para las versiones m\u00ednimas de las dependencias: Embree 4.3.0, Open VKL 2.0.0, Open Image Denoise 2.1.0, ISPC 1.21.1 y rkcommon v1.12.0.    <\/ul>\n<p>    <center><img decoding=\"async\" alt=\"Intel ha lanzado el motor de trazado de rayos distribuido 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 lanzado el motor de trazado de rayos distribuido OSPRay 3.0\" src=\"\/wp-content\/uploads\/2023\/10\/64f5e6fa1b9a5e6defd45034bcfc3b33.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/center><br \/>\n<br \/>Fuente: <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 5.0.2 - aioseo.com -->\n\t<meta name=\"description\" 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