{"id":183404,"date":"2026-09-18T22:54:22","date_gmt":"2026-09-18T20:54:22","guid":{"rendered":"https:\/\/prohoster.info\/blog\/news\/opublikovana-biblioteka-upravleniya-pamyatyu-jemalloc-5-3"},"modified":"2026-09-18T22:54:25","modified_gmt":"2026-09-18T20:54:25","slug":"jemalloc-5-3-memory-management-library-released","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hr\/blog\/news\/jemalloc-5-3-memory-management-library-released","title":{"rendered":"Objavljena biblioteka za upravljanje memorijom jemalloc 5.3","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Predstavljen je izdanak biblioteke za upravljanje memorijom jemalloc 5.4.0, koja nudi alternativnu implementaciju funkcija malloc, optimiziranu za smanjenje fragmentacije i rad na vi\u0161estrukim procesorskim sustavima. Da bi se rije\u0161ili problemi s blokadama na vi\u0161ejezgrenim sustavima, jemalloc koristi izolirano podru\u010dje raspodjele memorije za svaku CPU jezgru, \u0161to omogu\u0107uje linearno skaliranje s pove\u0107anjem broja niti.     <\/p>\n<p>U lipnju 2025. godine autor projekta prekinuo je podr\u0161ku i preveo jemalloc repozitorij u arhivski na\u010din rada, no u o\u017eujku ove godine razvoj je obnovila tvrtka Meta, koja koristi jemalloc u svojoj infrastrukturi. Izvorno je biblioteka razvijena za FreeBSD i kori\u0161tena je u ovom OS-u prema zadanim postavkama od 2005. godine. Kod biblioteke napisan je na C-u i distribuira se pod BSD licencom.      <\/p>\n<p>Izme\u0111u izmjena:  <\/p>\n<ul>\n<li class=\"l\"> P pojednostavljena je logika popunjavanja i resetiranja tcache (Thread Local Cache), kao i upravljanje dodjelom memorije.\n<li class=\"l\"> Ujedinjeni su alokatori fizi\u010dke memorije PAC (Page Allocator Classic) i HPA (Huge Page Allocator). Uklonjen je slo\u017eeni mehanizam neizravnih poziva putem vtable (PAI vtable).\n<li class=\"l\"> Za pojednostavljenje odr\u017eavanja i pro\u0161irenja platforme, sve platforme zavisne operacije premje\u0161tene su u posebne zaglavlja.\n<li class=\"l\">  P pojednostavljena je delegacija komandi mallctl, a tako\u0111er je preure\u0111ena infrastruktura za generiranje i prikaz statistike.\n<li class=\"l\">  Dodana je zastavica EXTENT_ALLOC_FLAG_PINNED, koja omogu\u0107uje ozna\u010davanje neizbacivih podru\u010dja mapiranja memorije, kao \u0161to su stranice HugeTLB, za njihovo prioritetno ponovno kori\u0161tenje. Za prikupljanje statistike o kori\u0161tenju fiksne memorije dodani su novi su\u010delja mallctl: stats.pinned, stats.arenas.&lt;i&gt;.pinned, stats.arenas.&lt;i&gt;.extents.&lt;j&gt;.npinned, stats.arenas.&lt;i&gt;.extents..pinned_bytes i stats.arenas.&lt;i&gt;.mutexes.extents_pinned.{counter}.\n<li class=\"l\"> Sinkroniziran je sadr\u017eaj statistike malloc u \u010ditljivom i JSON formatu.\n<li class=\"l\"> Uklonjeni su zastarjeli parametri lg_tcache_nslots_mul, tcache_nslots_small_min, tcache_nslots_small_max, tcache_nslots_large, tcache_gc_delay_bytes, lg_tcache_flush_small_div i lg_tcache_flush_large_div.      <\/ul>\n<p>Izvor: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=66304\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u0440\u0435\u043b\u0438\u0437 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438 \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u043f\u0430\u043c\u044f\u0442\u044c\u044e jemalloc 5.4.0, \u043f\u0440\u0435\u0434\u043b\u0430\u0433\u0430\u044e\u0449\u0435\u0439 \u0430\u043b\u044c\u0442\u0435\u0440\u043d\u0430\u0442\u0438\u0432\u043d\u0443\u044e \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044e \u0444\u0443\u043d\u043a\u0446\u0438\u0439 malloc, \u043e\u043f\u0442\u0438\u043c\u0438\u0437\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u0443\u044e \u0434\u043b\u044f \u0441\u043d\u0438\u0436\u0435\u043d\u0438\u044f \u0444\u0440\u0430\u0433\u043c\u0435\u043d\u0442\u0430\u0446\u0438\u0438 \u0438 \u0440\u0430\u0431\u043e\u0442\u044b \u043d\u0430 \u043c\u043d\u043e\u0433\u043e\u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0440\u043d\u044b\u0445 \u0441\u0438\u0441\u0442\u0435\u043c\u0430\u0445. \u0414\u043b\u044f \u0440\u0435\u0448\u0435\u043d\u0438\u044f \u043f\u0440\u043e\u0431\u043b\u0435\u043c \u0441 \u0431\u043b\u043e\u043a\u0438\u0440\u043e\u0432\u043a\u0430\u043c\u0438 \u043d\u0430 \u043c\u043d\u043e\u0433\u043e\u044f\u0434\u0435\u0440\u043d\u044b\u0445 \u0441\u0438\u0441\u0442\u0435\u043c\u0430\u0445 \u0432 jemalloc \u0434\u043b\u044f \u043a\u0430\u0436\u0434\u043e\u0433\u043e \u044f\u0434\u0440\u0430 CPU \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u0441\u0432\u043e\u044f \u0438\u0437\u043e\u043b\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u0430\u044f \u043e\u0431\u043b\u0430\u0441\u0442\u044c \u0440\u0430\u0441\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u044f \u043f\u0430\u043c\u044f\u0442\u0438, \u0447\u0442\u043e \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0434\u043e\u0431\u0438\u0442\u044c\u0441\u044f \u043b\u0438\u043d\u0435\u0439\u043d\u043e\u0439 \u043c\u0430\u0441\u0448\u0442\u0430\u0431\u0438\u0440\u0443\u0435\u043c\u043e\u0441\u0442\u0438 \u043f\u0440\u0438 \u0440\u043e\u0441\u0442\u0435 \u0447\u0438\u0441\u043b\u0430 \u043f\u043e\u0442\u043e\u043a\u043e\u0432. \u0412 \u0438\u044e\u043d\u0435 2025 \u0433\u043e\u0434\u0430 \u0430\u0432\u0442\u043e\u0440 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":10,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-183404","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.5 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u0440\u0435\u043b\u0438\u0437 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438 \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u043f\u0430\u043c\u044f\u0442\u044c\u044e jemalloc 5.4.0, 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