{"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\/cs\/blog\/news\/intel-vypustil-dvizhok-raspredelyonnoj-trassirovki-luchej-ospray-2-0","title":{"rendered":"Intel vydal engine distribuovan\u00e9ho sledov\u00e1n\u00ed paprsk\u016f OSPRay 2.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Spole\u010dnost Intel p\u0159edstavila<\/a><\/noindex> v\u00fdznamn\u00e9 vyd\u00e1n\u00ed \u0161k\u00e1lovateln\u00e9ho 3D renderovac\u00edho enginu OSPRay 2.0<\/a><\/noindex>, ur\u010den\u00e9ho pro realistickou vysoce kvalitn\u00ed vizualizaci metodou ray tracingu, vhodnou pro interaktivn\u00ed aplikace. Engine se vyv\u00edj\u00ed jako sou\u010d\u00e1st v\u011bt\u0161\u00edho projektu Intel Rendering Framework<\/a><\/noindex>, zam\u011b\u0159en\u00e9ho na v\u00fdvoj prost\u0159edk\u016f pro softwarovou vizualizaci v\u011bdeck\u00fdch v\u00fdpo\u010dt\u016f SDVis<\/a><\/noindex> (Software Defined Visualization), zahrnuj\u00edc\u00ed knihovnu ray tracingu Embree<\/a><\/noindex>, syst\u00e9m fotorealistick\u00e9ho vykreslov\u00e1n\u00ed GLuRay<\/a><\/noindex>, knihovnu pro odstran\u011bn\u00ed \u0161umu na obrazech oidn (Open Image Denoise)<\/a><\/noindex> a syst\u00e9m software rasterizace OpenSWR<\/a><\/noindex>. K\u00f3d je naps\u00e1n v jazyce C++ a byla vyd\u00e1na<\/a><\/noindex> pod licenc\u00ed Apache 2.0.<\/p>\n

OSPRay se zam\u011b\u0159uje p\u0159edev\u0161\u00edm na pou\u017e\u00edv\u00e1n\u00ed v interaktivn\u00edch aplikac\u00edch pro vykreslov\u00e1n\u00ed sc\u00e9ny na\u017eivo. Pro simulaci chov\u00e1n\u00ed sv\u011btla se pou\u017e\u00edv\u00e1 metoda ray tracingu<\/a><\/noindex>. Podporuje vizualizaci v objemu a na plo\u0161e, fotorealistick\u00e9 glob\u00e1ln\u00ed osv\u011btlen\u00ed<\/a><\/noindex> vzhledem k fyzik\u00e1ln\u00edm vlastnostem materi\u00e1l\u016f, roz\u0161\u00ed\u0159en\u00e9 efekty st\u00edn\u011bn\u00ed (st\u00edny, transparentnost a st\u00edn\u011bn\u00edAmbient occlusion<\/a><\/noindex>\u201e).<\/p>\n

OSPRay vyu\u017e\u00edv\u00e1 pouze mo\u017enosti CPU, nez\u00e1visle na GPU, co\u017e umo\u017e\u0148uje pou\u017e\u00edvat knihovnu na \u0161irok\u00e9 \u0161k\u00e1le za\u0159\u00edzen\u00ed, od pracovn\u00edch stanic po uzly v v\u00fdpo\u010detn\u00edch klastrech. Pro zaji\u0161t\u011bn\u00ed p\u0159\u00edslu\u0161n\u00e9ho v\u00fdkonu se aktivn\u011b vyu\u017e\u00edv\u00e1 v\u00edcevl\u00e1knovost a vektorizace na z\u00e1klad\u011b SIMD instrukc\u00ed, jako jsou Intel SSE4, AVX, AVX2 a AVX-512 (pro provoz OSPRay je minim\u00e1ln\u011b vy\u017eadov\u00e1na podpora SSE4.1). <\/p>\n

Rendering m\u016f\u017ee b\u00fdt distribuov\u00e1n na v\u00edce uzlech clustera (podporov\u00e1no MPI), co\u017e nap\u0159\u00edklad umo\u017e\u0148uje pou\u017e\u00edt OSPRay k organizaci vykreslov\u00e1n\u00ed obr\u00e1zku s velmi vysok\u00fdm rozli\u0161en\u00edm na videost\u011bn\u00e1ch<\/a><\/noindex>, kde je jedno obraz vytvo\u0159eno sadou jednotliv\u00fdch LCD panel\u016f. Nap\u0159\u00edklad pr\u00e1ce OSPRay byla demonstrov\u00e1na na sestaven\u00e9m displeji Stallion<\/a><\/noindex>, slo\u017een\u00e9ho z 80 30palcov\u00fdch monitor\u016f (celkov\u00e9 rozli\u0161en\u00ed 40960\u00d78000 nebo 328 megapixel\u016f) a obsluhovan\u00e9ho clusterem 40 server\u016f s 6j\u00e1drov\u00fdmi CPU na b\u00e1zi mikroarchitektury Intel Sandy Bridge. <\/p>\n

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

V\u00fdznamn\u00e1 zm\u011bna \u010d\u00edsla verze je d\u016fsledkem rozs\u00e1hl\u00e9ho p\u0159epracov\u00e1n\u00ed API, v\u010detn\u011b proveden\u00ed zm\u011bn, kter\u00e9 naru\u0161uj\u00ed kompatibilitu (pro usnadn\u011bn\u00ed p\u0159echodu na nov\u00e9 API byla navr\u017eena knihovna-prost\u0159edn\u00edk, kter\u00e1 usnad\u0148uje migraci), a poskytnut\u00ed nov\u00fdch geometrick\u00fdch typ\u016f. Byla p\u0159id\u00e1na podpora Open VKL (Open Volume Kernel Library) pro volumetrick\u00e9 rendering. Byla implementov\u00e1na mo\u017enost p\u0159ipojen\u00ed modulu<\/a><\/noindex> pro potla\u010den\u00ed \u0161umu na obr\u00e1zku. Do samostatn\u00fdch repozit\u00e1\u0159\u016f byly vy\u010dlen\u011bny knihovna ospcommon a modul pro podporu MPI.<\/p>\n

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

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

Zdroj: 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, 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