{"id":94546,"date":"2020-09-18T13:42:07","date_gmt":"2020-09-18T11:42:07","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/biblioteki-szhatiya-lzham-i-crunch-perevedeny-v-obshhestvennoe-dostoyanie"},"modified":"2020-09-18T13:42:07","modified_gmt":"2020-09-18T11:42:07","slug":"biblioteki-szhatiya-lzham-i-crunch-perevedeny-v-obshhestvennoe-dostoyanie","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sk\/blog\/news\/biblioteki-szhatiya-lzham-i-crunch-perevedeny-v-obshhestvennoe-dostoyanie","title":{"rendered":"Kni\u017enice kompresie LZHAM a Crunch boli preveden\u00e9 do verejnej dom\u00e9ny","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Rich Geldreich prelo\u017eil<\/a><\/noindex> vyvinut\u00e9 jeho kni\u017enice kompresie LZHAM<\/a><\/noindex> a Crunch<\/a><\/noindex> do kateg\u00f3rie verejnej dom\u00e9ny<\/a><\/noindex> (Public Domain), t.j. \u00faplne sa vzdal majetkov\u00fdch autorsk\u00fdch pr\u00e1v a umo\u017enil distrib\u00faciu a pou\u017e\u00edvanie v akejko\u013evek forme v\u0161etk\u00fdmi bez obmedzen\u00ed. Pre jurisdikcie, kde kateg\u00f3ria verejnej dom\u00e9ny nie je uzn\u00e1van\u00e1, s\u00fa ponechan\u00e9 zodpovedaj\u00face v\u00fdhrady. Predt\u00fdm sa projekty distribuovali pod licenciami MIT a ZLIB.<\/p>\n

Kni\u017enica Crunch poskytuje prostriedky na kompresiu a prekodovanie text\u00far bez straty kvality s vyu\u017eit\u00edm algoritmov DXTn<\/a><\/noindex>. Crunch podporuje form\u00e1ty text\u00far DXT1\/5\/N a 3DC a m\u00f4\u017ee uklada\u0165 v\u00fdsledky do form\u00e1tov DDS, CRN a KTX. <\/p>\n

LZHAM poskytuje algoritmus kompresie optimalizovan\u00fd na balenie zdrojov dod\u00e1van\u00fdch v r\u00e1mci hern\u00fdch aplik\u00e1ci\u00ed. Podporuje API kompatibiln\u00e9 so Zlib. Medzi vlastnosti LZHAM patr\u00ed
\nmo\u017enos\u0165 pou\u017e\u00edvania mapovac\u00edch tabuliek (a\u017e do ve\u013ekosti 64 kB), slovn\u00edkov (a\u017e do 500 MB), paraleliz\u00e1cia oper\u00e1ci\u00ed na nieko\u013ek\u00fdch vl\u00e1knach a aplik\u00e1cia delta zmien, ktor\u00e1 umo\u017e\u0148uje \u0161\u00edri\u0165 zmeny bez repakovania u\u017e stla\u010den\u00fdch s\u00faborov.<\/p>\n

Z h\u013eadiska \u00farovne kompresie a r\u00fdchlosti balenia je implement\u00e1cia LZHAM porovnate\u013en\u00e1 s LZMA, ale r\u00fdchlos\u0165 dekompresie je 1,5-8-kr\u00e1t r\u00fdchlej\u0161ia ako LZMA (ale pomal\u0161ia ako zlib). Pri porovnan\u00ed so ZSTD LZHAM prekon\u00e1va tento algoritmus z h\u013eadiska \u00fa\u010dinnosti kompresie, ale takmer o poriadok zaost\u00e1va v r\u00fdchlosti k\u00f3dovania a o nie\u010do zaost\u00e1va v r\u00fdchlosti dek\u00f3dovania.<\/p>\n

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

Zdroj: opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0420\u0438\u0447 \u0413\u0435\u043b\u0434\u0440\u0438\u0445 (Rich Geldreich) \u043f\u0435\u0440\u0435\u0432\u0451\u043b \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0430\u043d\u043d\u044b\u0435 \u0438\u043c \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438 \u0441\u0436\u0430\u0442\u0438\u044f LZHAM \u0438 Crunch \u0432 \u043a\u0430\u0442\u0435\u0433\u043e\u0440\u0438\u044e \u043e\u0431\u0449\u0435\u0441\u0442\u0432\u0435\u043d\u043d\u043e\u0433\u043e \u0434\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u044f (Public Domain), \u0442.\u0435. \u043f\u043e\u043b\u043d\u043e\u0441\u0442\u044c\u044e \u043e\u0442\u043a\u0430\u0437\u0430\u043b\u0441\u044f \u043e\u0442 \u0438\u043c\u0443\u0449\u0435\u0441\u0442\u0432\u0435\u043d\u043d\u044b\u0445 \u0430\u0432\u0442\u043e\u0440\u0441\u043a\u0438\u0445 \u043f\u0440\u0430\u0432 \u0438 \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u0438\u043b \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c 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\u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u043b\u0438\u0441\u044c \u043f\u043e\u0434 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u044f\u043c\u0438 MIT \u0438 […]<\/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-94546","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\udd47Kni\u017enice kompresie LZHAM a Crunch boli preveden\u00e9 do verejnej dom\u00e9ny | ProHoster","description":"Rich Geldreich prelo\u017eil svoje vyvinut\u00e9 kni\u017enice 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