{"id":113411,"date":"2024-02-05T13:41:21","date_gmt":"2024-02-05T11:41:21","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-sbcl-2-4-1-realizaczii-yazyka-common-lisp"},"modified":"2024-02-05T13:41:21","modified_gmt":"2024-02-05T11:41:21","slug":"vypusk-sbcl-2-4-1-realizaczii-yazyka-common-lisp","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/news\/vypusk-sbcl-2-4-1-realizaczii-yazyka-common-lisp","title":{"rendered":"Lan\u00e7amento do SBCL 2.4.1, implementa\u00e7\u00e3o da linguagem Common Lisp","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Foi lan\u00e7ado o SBCL 2.4.1 (Steel Bank Common Lisp), uma implementa\u00e7\u00e3o livre da linguagem de programa\u00e7\u00e3o Common Lisp. O c\u00f3digo do projeto \u00e9 escrito nas linguagens Common Lisp e C, e \u00e9 distribu\u00eddo sob a licen\u00e7a BSD.    <\/p>\n<p>No novo lan\u00e7amento:  <\/p>\n<ul>\n<li class=\"l\"> O coletor de lixo paralelo, que utiliza o algoritmo mark-region, agora possui suporte parcial para cabe\u00e7alhos de inst\u00e2ncias compactas.\n<li class=\"l\"> Para fun\u00e7\u00f5es com tipos de retorno declarados em modos de otimiza\u00e7\u00e3o com altos valores de SAFETY e no modo DEBUG 3, foi garantida a verifica\u00e7\u00e3o de tipo para os valores de retorno.\n<li class=\"l\"> Na plataforma FreeBSD, foi implementada a liga\u00e7\u00e3o com libpthread e a randomiza\u00e7\u00e3o do espa\u00e7o de endere\u00e7amento (ASLR) foi desativada.\n<li class=\"l\"> A compila\u00e7\u00e3o em arquiteturas de 64 bits riscv e ppc foi restaurada.\n<li class=\"l\"> Foi implementado suporte a fastrem-32 (para c\u00e1lculos otimizados de FLOOR) em todas as plataformas.\n<li class=\"l\"> Foi corrigido um erro que causava a limpeza repetida de linhas movidas ap\u00f3s a compacta\u00e7\u00e3o de mem\u00f3ria pelo coletor de lixo paralelo mark-region.\n<li class=\"l\">  Um problema de looping do compilador ao processar algumas constru\u00e7\u00f5es com tipos SATISFIES foi solucionado.\n<li class=\"l\"> As tabelas hash utilizadas em v\u00e1rias partes do sistema (pacotes, tabelas Unicode) foram convertidas para usar fun\u00e7\u00f5es hash isentas de colis\u00f5es (perfect).\n<li class=\"l\"> O macro TYPECASE para hierarquias de estruturas de classes foi implementado utilizando uma hash isenta de colis\u00f5es.\n<li class=\"l\"> Para otimizar o desempenho, foram removidas as verifica\u00e7\u00f5es de limites para \u00edndices com deslocamentos constantes, quando o compilador sabe que o \u00edndice \u00e9 menor que a diferen\u00e7a entre o tamanho e o deslocamento.\n<li class=\"l\"> O compilador agora leva em conta dados adicionais sobre a otimiza\u00e7\u00e3o DIGIT-CHAR.\n<li class=\"l\"> Foi implementada a possibilidade de excluir valores intermedi\u00e1rios em algumas chamadas de APPLY, CONCATENATE e MAKE-ARRAY para argumentos constru\u00eddos a partir de sequ\u00eancias com novas modifica\u00e7\u00f5es cons.\n<li class=\"l\"> O ciclo &#171;(LOOP FOR X IN (REVERSE LIST) &#8230;)&#187; agora opera mais rapidamente, usando menos cons.\n<li class=\"l\"> O ciclo &#171;(LOOP &#8230; APPEND &#8230;)&#187; tornou-se mais compacto e realiza menos trabalho ao adicionar NIL.\n<li class=\"l\"> As verifica\u00e7\u00f5es de tipos de v\u00e1rios arrays foram aceleradas e reduzidas.  <\/ul>\n<p>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=60554\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0432\u044b\u043f\u0443\u0441\u043a SBCL 2.4.1 (Steel Bank Common Lisp), \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u043e\u0439 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u044f\u0437\u044b\u043a\u0430 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f Common Lisp. \u041a\u043e\u0434 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 \u043d\u0430\u043f\u0438\u0441\u0430\u043d \u043d\u0430 \u044f\u0437\u044b\u043a\u0430\u0445 Common Lisp \u0438 \u0421\u0438, \u0438 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u0442\u0441\u044f \u043f\u043e\u0434 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0435\u0439 BSD. \u0412 \u043d\u043e\u0432\u043e\u043c \u0432\u044b\u043f\u0443\u0441\u043a\u0435: \u0412 \u043f\u0430\u0440\u0430\u043b\u043b\u0435\u043b\u044c\u043d\u044b\u0439 \u0441\u0431\u043e\u0440\u0449\u0438\u043a \u043c\u0443\u0441\u043e\u0440\u0430, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044e\u0449\u0438\u0439 \u0430\u043b\u0433\u043e\u0440\u0438\u0442\u043c mark-region, \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0430 \u0447\u0430\u0441\u0442\u0438\u0447\u043d\u0430\u044f \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430 \u0437\u0430\u0433\u043e\u043b\u043e\u0432\u043a\u043e\u0432 \u043a\u043e\u043c\u043f\u0430\u043a\u0442\u043d\u044b\u0445 \u044d\u043a\u0437\u0435\u043c\u043f\u043b\u044f\u0440\u043e\u0432. \u0414\u043b\u044f \u0444\u0443\u043d\u043a\u0446\u0438\u0439 \u0441 \u043e\u0431\u044a\u044f\u0432\u043b\u0435\u043d\u043d\u044b\u043c\u0438 \u0432\u043e\u0437\u0432\u0440\u0430\u0449\u0430\u0435\u043c\u044b\u043c\u0438 \u0442\u0438\u043f\u0430\u043c\u0438 \u0432 \u0440\u0435\u0436\u0438\u043c\u0430\u0445 \u043e\u043f\u0442\u0438\u043c\u0438\u0437\u0430\u0446\u0438\u0438 \u0441 \u0431\u043e\u043b\u044c\u0448\u0438\u043c\u0438 [&hellip;]<\/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-113411","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0432\u044b\u043f\u0443\u0441\u043a SBCL 2.4.1 (Steel Bank Common Lisp), \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u043e\u0439 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u044f\u0437\u044b\u043a\u0430 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f Common Lisp. \u041a\u043e\u0434 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 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