{"id":181639,"date":"2026-05-21T18:25:05","date_gmt":"2026-05-21T16:25:05","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/fluidx3d-v3-7"},"modified":"2026-05-21T18:25:05","modified_gmt":"2026-05-21T16:25:05","slug":"fluidx3d-v3-7","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sk\/blog\/news\/fluidx3d-v3-7","title":{"rendered":"FluidX3D v3.7","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><noindex>      <noindex><\/p>\n<p><a rel=\"nofollow\" href=\"https:\/\/github.com\/ProjectPhysX\/FluidX3D\">FluidX3D 3.7<\/a> &ndash; bal\u00edk pre v\u00fdpo\u010dtov\u00fa hydrodynamiku, ktor\u00fd vyu\u017e\u00edva met\u00f3du mrie\u017ekov\u00fdch rovn\u00edc Boltzmanna (LBM) a OpenCL. Projekt sa prezentuje ako vysoko v\u00fdkonn\u00fd a pam\u00e4\u0165ovo \u00fasporn\u00fd CFD bal\u00edk, schopn\u00fd pracova\u0165 na GPU a CPU r\u00f4znych v\u00fdrobcov prostredn\u00edctvom OpenCL.<\/p>\n<p><\/noindex><\/noindex><\/p>\n<p>Hlavnou zmenou verzie 3.7 bola optimaliz\u00e1cia jadra vykres\u013eovania izoplochy Q-krit\u00e9ria (graphics_q()), pou\u017e\u00edvan\u00e9ho na vizualiz\u00e1ciu v\u00edrov\u00fdch \u0161trukt\u00far v pr\u00fade. V predch\u00e1dzaj\u00facej implement\u00e1cii jadro na\u010d\u00edtalo z grafickej pam\u00e4te \u0165a\u017ek\u00fd \u0161abl\u00f3nov\u00fd s\u00fabor zo 32 trojrozmern\u00fdch r\u00fdchlost\u00ed pre ka\u017ed\u00fa mrie\u017ekov\u00fa bunku. Teraz pracovn\u00e1 skupina pr\u00fadov o ve\u013ekosti 8\u00d78\u00d78 na\u010d\u00edta blok 11\u00d711\u00d711 r\u00fdchlost\u00ed do 16 kB lok\u00e1lnej pam\u00e4te prv\u00e9ho stup\u0148a, po \u010dom susedn\u00e9 pr\u00fady znovu vyu\u017eij\u00fa tieto \u00fadaje. Pod\u013ea autora to zmen\u0161uje po\u010det na\u010d\u00edtan\u00ed z VRAM pribli\u017ene 12-kr\u00e1t \u2014 na 2,6 r\u00fdchlosti na bunku \u2014 a prev\u00e1dza jadro z re\u017eimu obmedzen\u00e9ho \u0161\u00edrkou p\u00e1sma pam\u00e4te do re\u017eimu obmedzen\u00e9ho v\u00fdpo\u010dtami.<\/p>\n<p>Praktick\u00fd zisk z\u00e1vis\u00ed od konkr\u00e9tneho hardv\u00e9ru. Na nov\u00fdch GPU s vyvinut\u00fdm syst\u00e9mom cache m\u00f4\u017ee manu\u00e1lna optimaliz\u00e1cia lok\u00e1lnej pam\u00e4te takmer neprinies\u0165 zisk alebo dokonca mierne zn\u00ed\u017ei\u0165 sn\u00edmkov\u00fa frekvenciu. Na niektor\u00fdch star\u0161\u00edch GPU autor zaznamenal zr\u00fdchlenie a\u017e dvojn\u00e1sobne, \u010do je obzvl\u00e1\u0161\u0165 vidite\u013en\u00e9 v interakt\u00edvnom grafickom re\u017eime FluidX3D. Napr\u00edklad v publikovan\u00fdch testoch NVIDIA Titan Xp zr\u00fdchlila z 7 na 13 sn\u00edmok\/s, Intel UHD 770 \u2014 z 8 na 14 sn\u00edmok\/s v jednom z re\u017eimov, a Intel Arc A750 \u2014 z 22 na 26 sn\u00edmok\/s.<\/p>\n<p>Pre star\u00e9 integrovan\u00e9 GPU je zabezpe\u010den\u00fd automatick\u00fd prechod na predch\u00e1dzaj\u00facu implement\u00e1ciu: niektor\u00e9 z t\u00fdchto zariaden\u00ed nepodporuj\u00fa pracovn\u00e9 skupiny o ve\u013ekosti 512 pr\u00fadov alebo maj\u00fa menej ako 16 kB lok\u00e1lnej pam\u00e4te L1. V t\u00fdchto pr\u00edpadoch FluidX3D na\u010falej pou\u017eije star\u00fa verziu jadra, aby zachoval kompatibilitu.<\/p>\n<p>Taktie\u017e v tejto verzii boli zjednodu\u0161en\u00e9 podmienky pre VR vykres\u013eovanie, deaktivovan\u00e9 rozvinovanie cyklov v rastrov\u00e1n\u00ed na zn\u00ed\u017eenie \u201e\u0161pagetovania\u201c v assemblerovom v\u00fdstupe, pridan\u00e1 mikrooptimaliz\u00e1cia v convert_triangle\/_interpolated(), a v adapt\u00e9ry OpenCL bola opraven\u00e1 chyba v\u00fdstupu pri pr\u00e1zdnom mene jadra a ve\u013ekosti pracovnej skupiny.<\/p>\n<p><noindex><\/p>\n<p>FluidX3D obsahuje integrovan\u00fd interakt\u00edvny 3D renderova\u010d, ktor\u00fd umo\u017e\u0148uje zobrazenie po\u013eami r\u00fdchlosti, pr\u00fadnymi \u010diarami, izopovrchmi Q-krit\u00e9ria a rezy priamo po\u010das v\u00fdpo\u010dtu, bez nutnosti exportu do samostatn\u00e9ho postprocessingov\u00e9ho n\u00e1stroja. <a rel=\"nofollow\" href=\"https:\/\/fluidx3d.com\/\">FluidX3D<\/a> V projekte je taktie\u017e uveden\u00e1 podpora vo\u013enej plochy, tepelnej konvekcie, modelu turbulence Smagorinsky-Lilly, sledovania \u010dast\u00edc, exportu VTK a pr\u00e1ce so viacer\u00fdmi GPU.<\/p>\n<p><\/noindex><br \/>\n<noindex><\/p>\n<p>Samostatne stoj\u00ed za zmienku licen\u010dn\u00fd status: zdrojov\u00fd k\u00f3d FluidX3D je otvoren\u00fd a dostupn\u00fd na GitHub, av\u0161ak <a rel=\"nofollow\" href=\"https:\/\/github.com\/ProjectPhysX\/FluidX3D\/blob\/master\/LICENSE.md\">licencia projektu<\/a> nie je vo vo\u013enom slova zmysle OSI\/FSF. Umo\u017e\u0148uje pou\u017eitie pre verejn\u00e9 v\u00fdskumy, vzdel\u00e1vanie a osobn\u00e9 \u00fa\u010dely, ale zakazuje komer\u010dn\u00e9 a vojensk\u00e9 pou\u017eitie, ako aj tr\u00e9ning AI modelov na zdrojovom k\u00f3de.<\/p>\n<p><\/noindex><\/p>\n<p>Zdroj: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.linux.org.ru\/news\/opensource\/18295551\">linux.org.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>FluidX3D 3.7 &ndash; \u043f\u0430\u043a\u0435\u0442 \u0434\u043b\u044f \u0432\u044b\u0447\u0438\u0441\u043b\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0439 \u0433\u0438\u0434\u0440\u043e\u0434\u0438\u043d\u0430\u043c\u0438\u043a\u0438, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044e\u0449\u0438\u0439 \u043c\u0435\u0442\u043e\u0434 \u0440\u0435\u0448\u0451\u0442\u043e\u0447\u043d\u044b\u0445 \u0443\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u0439 \u0411\u043e\u043b\u044c\u0446\u043c\u0430\u043d\u0430 (LBM) \u0438 OpenCL. \u041f\u0440\u043e\u0435\u043a\u0442 \u043f\u043e\u0437\u0438\u0446\u0438\u043e\u043d\u0438\u0440\u0443\u0435\u0442\u0441\u044f \u043a\u0430\u043a \u0432\u044b\u0441\u043e\u043a\u043e\u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0439 \u0438 \u044d\u043a\u043e\u043d\u043e\u043c\u043d\u044b\u0439 \u043f\u043e \u043f\u0430\u043c\u044f\u0442\u0438 CFD-\u043f\u0430\u043a\u0435\u0442, \u0441\u043f\u043e\u0441\u043e\u0431\u043d\u044b\u0439 \u0440\u0430\u0431\u043e\u0442\u0430\u0442\u044c \u043d\u0430 GPU \u0438 CPU \u0440\u0430\u0437\u043d\u044b\u0445 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u0435\u0439 \u0447\u0435\u0440\u0435\u0437 OpenCL. \u0413\u043b\u0430\u0432\u043d\u044b\u043c \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0435\u043c \u0432\u0435\u0440\u0441\u0438\u0438 3.7 \u0441\u0442\u0430\u043b\u0430 \u043e\u043f\u0442\u0438\u043c\u0438\u0437\u0430\u0446\u0438\u044f \u044f\u0434\u0440\u0430 \u043e\u0442\u0440\u0438\u0441\u043e\u0432\u043a\u0438 \u0438\u0437\u043e\u043f\u043e\u0432\u0435\u0440\u0445\u043d\u043e\u0441\u0442\u0438 Q-\u043a\u0440\u0438\u0442\u0435\u0440\u0438\u044f (graphics_q()), \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u043c\u043e\u0439 \u0434\u043b\u044f \u0432\u0438\u0437\u0443\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u0432\u0438\u0445\u0440\u0435\u0432\u044b\u0445 \u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440 \u0432 \u043f\u043e\u0442\u043e\u043a\u0435. \u0412 \u043f\u0440\u0435\u0436\u043d\u0435\u0439 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":8,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-181639","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.4 - aioseo.com -->\n\t<meta name=\"description\" content=\"FluidX3D 3.7 \u2013 \u043f\u0430\u043a\u0435\u0442 \u0434\u043b\u044f \u0432\u044b\u0447\u0438\u0441\u043b\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0439 \u0433\u0438\u0434\u0440\u043e\u0434\u0438\u043d\u0430\u043c\u0438\u043a\u0438, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044e\u0449\u0438\u0439 \u043c\u0435\u0442\u043e\u0434 \u0440\u0435\u0448\u0451\u0442\u043e\u0447\u043d\u044b\u0445 \u0443\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u0439 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