{"id":168915,"date":"2026-04-16T11:12:42","date_gmt":"2026-04-16T09:12:42","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/jemalloc-5-3-1"},"modified":"2026-04-16T11:12:42","modified_gmt":"2026-04-16T09:12:42","slug":"jemalloc-5-3-1","status":"publish","type":"post","link":"https:\/\/prohoster.info\/es\/blog\/news\/jemalloc-5-3-1","title":{"rendered":"jemalloc 5.3.1","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><noindex>      <noindex><\/p>\n<p>Despu\u00e9s de casi cuatro a\u00f1os de pausa (ver &laquo;<a rel=\"nofollow\" href=\"https:\/\/www.linux.org.ru\/forum\/development\/17998612\">jemalloc todo<\/a>&raquo;) se lanz\u00f3 la versi\u00f3n 5.3.1 del allocador <a rel=\"nofollow\" href=\"https:\/\/jemalloc.net\">jemalloc<\/a> \u2013 implementaci\u00f3n de malloc(3), en la que se presta especial atenci\u00f3n a prevenir la fragmentaci\u00f3n y soportar la paralelizaci\u00f3n escalable.<\/p>\n<p><\/noindex><\/noindex> <\/p>\n<p>La nueva versi\u00f3n incluye m\u00e1s de 390 commits con correcciones de errores, nuevas funciones, optimizaciones de rendimiento y mejoras en la portabilidad.<\/p>\n<p>El proyecto est\u00e1 escrito en C y se distribuye bajo la licencia BSD.<\/p>\n<p>Nuevas caracter\u00edsticas:<\/p>\n<ul>\n<li>soporte para pvalloc(3).<\/li>\n<li>detecci\u00f3n de doble liberaci\u00f3n de memoria en la compilaci\u00f3n de depuraci\u00f3n;<\/li>\n<li>se a\u00f1adi\u00f3 la opci\u00f3n de compilaci\u00f3n &#8212;enable-pageid para habilitar la anotaci\u00f3n de la memoria mostrada.<\/li>\n<li>se a\u00f1adi\u00f3 el par\u00e1metro en tiempo de ejecuci\u00f3n prof_bt_max para controlar la profundidad m\u00e1xima del stack para la profilaci\u00f3n;<\/li>\n<li>se a\u00f1adi\u00f3 la opci\u00f3n de compilaci\u00f3n &#8212;enable-force-getenv para usar getenv en lugar de secure_getenv;<\/li>\n<li>se a\u00f1adi\u00f3 la opci\u00f3n de compilaci\u00f3n &#8212;disable-dss para desactivar el uso de sbrk(2);<\/li>\n<li>se a\u00f1adi\u00f3 la opci\u00f3n de compilaci\u00f3n tcache_ncached_max para controlar el n\u00famero de elementos en la cach\u00e9 de hilos.<\/li>\n<li>se a\u00f1adi\u00f3 el par\u00e1metro en tiempo de ejecuci\u00f3n calloc_madvise_threshold para determinar si se utiliza el n\u00facleo o memset para inicializar a cero los bloques de memoria asignados en la llamada a calloc;<\/li>\n<li>se a\u00f1adi\u00f3 la opci\u00f3n de compilaci\u00f3n &#8212;disable-user-config para desactivar la lectura de configuraciones en tiempo de ejecuci\u00f3n desde el archivo \/etc\/malloc.conf o desde la variable de entorno MALLOC_CONF;<\/li>\n<li>se a\u00f1adi\u00f3 el par\u00e1metro en tiempo de ejecuci\u00f3n disable_large_size_classes para garantizar el funcionamiento del nuevo algoritmo de c\u00e1lculo del tama\u00f1o disponible, que minimiza el overhead de memoria al asignar grandes bloques de memoria, es decir, de tama\u00f1o &gt;= 4 * PAGE;<\/li>\n<li>se habilit\u00f3 el uso de process_madvise y se a\u00f1adi\u00f3 el par\u00e1metro de tiempo de ejecuci\u00f3n process_madvise_max_batch para controlar la cantidad m\u00e1xima de regiones de memoria en cada &laquo;lote&raquo; de madvise;<\/li>\n<li>se a\u00f1adieron interfaces mallctl:\n<ul>\n<li>opt.prof_bt_max;<\/li>\n<li>arena.&lt;i&gt;.name para modificar y obtener los nombres de &laquo;arenas&raquo;;<\/li>\n<li>thread.tcache.max para cambiar y obtener tcache_max del hilo actual;<\/li>\n<li>thread.tcache.ncached_max.write y thread.tcache.ncached_max.read_sizeclass para cambiar y obtener ncached_max del hilo actual;<\/li>\n<li>arenas.hugepage para devolver el tama\u00f1o de hugepage utilizado, tambi\u00e9n export\u00e1ndolo a las estad\u00edsticas de malloc;<\/li>\n<li>approximate_stats.active para obtener un valor aproximado del volumen actual de bytes activos, que no debe compararse con otros datos estad\u00edsticos obtenidos.<\/li>\n<\/ul>\n<\/li>\n<li>tambi\u00e9n se corrigieron muchos errores y se mejor\u00f3 la documentaci\u00f3n.<\/li>\n<\/ul>\n<p>Fuente: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.linux.org.ru\/news\/development\/18266167\">linux.org.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u043e\u0441\u043b\u0435 \u043f\u043e\u0447\u0442\u0438 \u0447\u0435\u0442\u044b\u0440\u0451\u0445\u043b\u0435\u0442\u043d\u0435\u0439 \u043f\u0430\u0443\u0437\u044b (\u0441\u043c. &laquo;jemalloc \u0432\u0441\u0451&raquo;) \u0441\u043e\u0441\u0442\u043e\u044f\u043b\u0441\u044f \u0432\u044b\u043f\u0443\u0441\u043a 5.3.1 \u0430\u043b\u043b\u043e\u043a\u0430\u0442\u043e\u0440\u0430 jemalloc &ndash; \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 malloc(3), \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u0439 \u043e\u0441\u043e\u0431\u043e\u0435 \u0432\u043d\u0438\u043c\u0430\u043d\u0438\u0435 \u0443\u0434\u0435\u043b\u044f\u0435\u0442\u0441\u044f \u043f\u0440\u0435\u0434\u043e\u0442\u0432\u0440\u0430\u0449\u0435\u043d\u0438\u044e \u0444\u0440\u0430\u0433\u043c\u0435\u043d\u0442\u0430\u0446\u0438\u0438 \u0438 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0435 \u043c\u0430\u0441\u0448\u0442\u0430\u0431\u0438\u0440\u0443\u0435\u043c\u043e\u0439 \u043f\u0430\u0440\u0430\u043b\u043b\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u0438. \u041d\u043e\u0432\u044b\u0439 \u0432\u044b\u043f\u0443\u0441\u043a \u0432\u043a\u043b\u044e\u0447\u0430\u0435\u0442 \u0432 \u0441\u0435\u0431\u044f \u0431\u043e\u043b\u0435\u0435 390 \u043a\u043e\u043c\u043c\u0438\u0442\u043e\u0432 \u0441 \u0438\u0441\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0435\u043c \u043e\u0448\u0438\u0431\u043e\u043a, \u043d\u043e\u0432\u044b\u043c\u0438 \u0444\u0443\u043d\u043a\u0446\u0438\u044f\u043c\u0438, \u043e\u043f\u0442\u0438\u043c\u0438\u0437\u0430\u0446\u0438\u0435\u0439 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u0438 \u0438 \u0443\u043b\u0443\u0447\u0448\u0435\u043d\u0438\u0435\u043c \u043f\u0435\u0440\u0435\u043d\u043e\u0441\u0438\u043c\u043e\u0441\u0442\u0438. \u041f\u0440\u043e\u0435\u043a\u0442 \u043d\u0430\u043f\u0438\u0441\u0430\u043d \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 \u0421 \u0438 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u0442\u0441\u044f \u043f\u043e \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0438 BSD. \u041d\u043e\u0432\u044b\u0435 [&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-168915","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041f\u043e\u0441\u043b\u0435 \u043f\u043e\u0447\u0442\u0438 \u0447\u0435\u0442\u044b\u0440\u0451\u0445\u043b\u0435\u0442\u043d\u0435\u0439 \u043f\u0430\u0443\u0437\u044b (\u0441\u043c.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Erik Peterson\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/prohoster.info\/es\/blog\/news\/jemalloc-5-3-1\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.2\" \/>\n\t\t<meta 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