{"id":144566,"date":"2025-10-09T17:11:54","date_gmt":"2025-10-09T15:11:56","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/sistema-szhatiya-openzl-operezhayushhaya-zstd-i-xz-po-skorosti-i-urovnyu-szhatiya-strukturirovannyh-dannyh"},"modified":"2025-10-09T17:11:54","modified_gmt":"2025-10-09T15:11:56","slug":"sistema-szhatiya-openzl-operezhayushhaya-zstd-i-xz-po-skorosti-i-urovnyu-szhatiya-strukturirovannyh-dannyh","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sq\/blog\/news\/sistema-szhatiya-openzl-operezhayushhaya-zstd-i-xz-po-skorosti-i-urovnyu-szhatiya-strukturirovannyh-dannyh","title":{"rendered":"Sistemi i kompresionit OpenZL, q\u00eb tejkalon Zstd dhe XZ n\u00eb shpejt\u00ebsi dhe nivel kompresimi t\u00eb t\u00eb dh\u00ebnave t\u00eb strukturuara","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Kompania Meta* prezantoi nj\u00eb mjet p\u00ebr kompresimin dhe shp\u00ebrb\u00ebrjen e t\u00eb dh\u00ebnave OpenZL, i cili, n\u00eb krahasim me formatet Zstd dhe XZ, tregon nj\u00eb nivel m\u00eb t\u00eb lart\u00eb kompresimi dhe shpejt\u00ebsie. OpenZL \u00ebsht\u00eb zhvilluar p\u00ebr kompresimin efektiv t\u00eb grupeve t\u00eb dh\u00ebnash t\u00eb strukturuara, p\u00ebr shembull, q\u00eb p\u00ebrdoren n\u00eb m\u00ebsimin makin\u00eb, si dhe p\u00ebr magazinat q\u00eb p\u00ebrmbajn\u00eb fusha me lloje informacionesh q\u00eb p\u00ebrs\u00ebriten. Kodi OpenZL \u00ebsht\u00eb shkruar n\u00eb C\/C++ dhe \u00ebsht\u00eb i hapur n\u00ebn licenc\u00ebn BSD. <\/p>\n

Duke n\u00eb kompresimin e Baz\u00ebs s\u00eb Dh\u00ebnave me katalogun astronomik t\u00eb yjeve SAO, mjeti OpenZL arriti t\u00eb ul\u00eb madh\u00ebsin\u00eb e t\u00eb dh\u00ebnave me 2.06 her\u00eb, nd\u00ebrsa algoritmi zstd kompresoi informacionin me 1.31 her\u00eb dhe XZ me 1.64 her\u00eb. N\u00eb t\u00eb nj\u00ebjt\u00ebn koh\u00eb, sa i p\u00ebrket shpejt\u00ebsis\u00eb s\u00eb kompresimit, OpenZL e tejkaloi zstd dyfish (203 MB\/s ndaj 115 MB\/s), dhe XZ - 65 her\u00eb (203 MB\/s ndaj 3.1 MB\/s). Zhbllokimi n\u00eb OpenZL doli t\u00eb ishte pak m\u00eb i ngadalsh\u00ebm se zstd (822 MB\/s ndaj 890 MB\/s) dhe 27 her\u00eb m\u00eb i shpejt\u00eb se XZ.

\"Sistemi<\/center> <\/p>\n

OpenZL nuk \u00ebsht\u00eb nj\u00eb algoritem i p\u00ebrgjithsh\u00ebm dhe tregon rezultate t\u00eb mira vet\u00ebm p\u00ebr t\u00eb dh\u00ebnat me struktur\u00eb t\u00eb njohur paraprakisht. Funksionimi i OpenZL p\u00ebrfshin gjenerimin adaptiv t\u00eb paketuesit bazuar n\u00eb p\u00ebrshkrimin e dh\u00ebnave q\u00eb \u00ebsht\u00eb dh\u00ebn\u00eb. Si rezultat, formohet kodi p\u00ebr kompresim, i optimizuar p\u00ebr formatin specifik t\u00eb t\u00eb dh\u00ebnave. P\u00ebr shp\u00ebrb\u00ebrje p\u00ebrdoret nj\u00eb shp\u00ebrb\u00ebr\u00ebs universali, i pajtuesh\u00ebm me t\u00eb gjith\u00eb paketuesit e gjeneruar. <\/p>\n

Paketa dhe zhbllokimi kryhen me an\u00eb t\u00eb nj\u00eb utilitari \u00abzli\u00bb ose bibliotek\u00ebs libopenzl. Struktura e t\u00eb dh\u00ebnave p\u00ebrshkruhet n\u00eb form\u00ebn e profileve. Tashm\u00eb p\u00ebrfshin nj\u00eb set me profile t\u00eb paracaktuar, q\u00eb p\u00ebrshkruajn\u00eb formate standarde ruajtjeje. P\u00ebr shembull, nj\u00eb profil p\u00ebr formatin CSV ose t\u00eb dh\u00ebnat e ruajtura n\u00eb form\u00ebn e nj\u00eb vargu numrash 64-bit. Kompresimi p\u00ebrfshin zgjedhjen e profilit me komand\u00ebn \u00abzli list-profiles\u00bb dhe nisjen e procesit t\u00eb paketimit me komand\u00ebn \u00abzli compress \u2014profile emri_profilit\u00bb. P\u00ebr zhbllokimin mjafton t\u00eb nis\u00ebsh \u00abzli decompress\u00bb. <\/p>\n

P\u00ebr formate specifike k\u00ebrkohet nj\u00eb profil i ve\u00e7ant\u00eb, duke p\u00ebrdorur komand\u00ebn \u00abzli train\u00bb, e cila identifikon rregullat n\u00eb t\u00eb dh\u00ebna dhe krijon nj\u00eb profil me nivelin optimal t\u00eb kompresimit. Duke p\u00ebrdorur opsionin \u00ab\u2014pareto-frontier\u00bb, profili i krijuar mund t\u00eb modernizohet n\u00eb drejtim t\u00eb shpejt\u00ebsis\u00eb s\u00eb paketimit ose zhbllokimit, n\u00eb kosto t\u00eb uljes s\u00eb nivelit t\u00eb kompresimit. P\u00ebr t\u00eb p\u00ebrshkruar formate komplekse me struktura t\u00eb nd\u00ebrlikuara dhe p\u00ebr t\u00eb p\u00ebrcaktuar p\u00ebrzierjen e formateve t\u00eb t\u00eb dh\u00ebnave n\u00eb struktura, mund t\u00eb p\u00ebrdoret gjuha SDDL (Simple Data Description Language). <\/p>\n

Metoda e krijimit t\u00eb paketuesve optimal \u00ebsht\u00eb e bazuar n\u00eb p\u00ebrdorimin e nj\u00eb seti kodek\u00ebsh primitiv\u00eb, secili prej t\u00eb cil\u00ebve \u00ebsht\u00eb m\u00eb efektiv p\u00ebr lloje t\u00eb ve\u00e7ANTA dhe sekuenca t\u00eb t\u00eb dh\u00ebnave. P\u00ebr kompresimin formohet nj\u00eb graf i orientuar aciklik i p\u00ebrpunimit t\u00eb t\u00eb dh\u00ebnave, ku nodet jan\u00eb kodek\u00ebt dhe skajet \u2014 variantet e t\u00eb dh\u00ebnave n\u00eb formatin n\u00eb p\u00ebrpunim. N\u00eb var\u00ebsi t\u00eb llojit t\u00eb t\u00eb dh\u00ebnave q\u00eb arrijn\u00eb n\u00eb hyrje, zgjidhet nj\u00eb zinxhir kodek\u00ebsh q\u00eb kompreson optimalisht elementin e dh\u00ebnave t\u00eb pranuara. Me nj\u00eb organizim t\u00eb till\u00eb, titulli i skedarit kompresohet me nj\u00eb kodek, fusha me t\u00eb dh\u00ebna t\u00eb plota me nj\u00eb t\u00eb dyt\u00eb, fusha me numra rrit\u00ebs me nj\u00eb t\u00eb tret\u00eb dhe fusha me t\u00eb dh\u00ebna string me nj\u00eb t\u00eb kat\u00ebrt.

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

\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Meta* \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u043b\u0430 \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u0439 \u0434\u043b\u044f \u0441\u0436\u0430\u0442\u0438\u044f \u0438 \u0440\u0430\u0441\u043f\u0430\u043a\u043e\u0432\u043a\u0438 \u0434\u0430\u043d\u043d\u044b\u0445 OpenZL, \u043f\u043e \u0441\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u044e \u0441 \u0444\u043e\u0440\u043c\u0430\u0442\u0430\u043c\u0438 Zstd \u0438 XZ \u0434\u0435\u043c\u043e\u043d\u0441\u0442\u0440\u0438\u0440\u0443\u044e\u0449\u0438\u0439 \u0431\u043e\u043b\u0435\u0435 \u0432\u044b\u0441\u043e\u043a\u0438\u0439 \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u0441\u0436\u0430\u0442\u0438\u044f \u0438 \u0441\u043a\u043e\u0440\u043e\u0441\u0442\u044c \u0440\u0430\u0431\u043e\u0442\u044b. OpenZL \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0430\u043d \u0434\u043b\u044f \u044d\u0444\u0444\u0435\u043a\u0442\u0438\u0432\u043d\u043e\u0433\u043e \u0441\u0436\u0430\u0442\u0438\u044f \u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0445 \u043d\u0430\u0431\u043e\u0440\u043e\u0432 \u0434\u0430\u043d\u043d\u044b\u0445, \u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u043c\u044b\u0445 \u043f\u0440\u0438 \u043c\u0430\u0448\u0438\u043d\u043d\u043e\u043c \u043e\u0431\u0443\u0447\u0435\u043d\u0438\u0438, \u0430 \u0442\u0430\u043a\u0436\u0435 \u0445\u0440\u0430\u043d\u0438\u043b\u0438\u0449, \u0441\u043e\u0434\u0435\u0440\u0436\u0430\u0449\u0438\u0445 \u043f\u043e\u043b\u044f \u0441 \u0440\u0430\u0437\u043b\u0438\u0447\u043d\u044b\u043c\u0438 \u043f\u043e\u0432\u0442\u043e\u0440\u044f\u044e\u0449\u0438\u043c\u0438\u0441\u044f \u0442\u0438\u043f\u0430\u043c\u0438 \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u0438. \u041a\u043e\u0434 OpenZL \u043d\u0430\u043f\u0438\u0441\u0430\u043d \u043d\u0430 C\/C++ \u0438 \u043e\u0442\u043a\u0440\u044b\u0442 […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":144567,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-144566","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\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\n","aioseo_head_json":{"title":"\ud83e\udd47Sistemi i kompresionit OpenZL, duke tejkaluar Zstd dhe XZ p\u00ebr shpejt\u00ebsin\u00eb dhe nivelin e kompresimit t\u00eb t\u00eb dh\u00ebnave t\u00eb strukturuara | ProHoster","description":"Kompania Meta* 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