GNU-projektet har offentliggjort version 1.14 af gzip-pakken, som inkluderer v\u00e6rkt\u00f8jerne gzip, gunzip, zmore og zcat til komprimering og dekomprimering af data ved hj\u00e6lp af LZ77-algoritmen. I den nye udgave er dekomprimeringsprocesserne betydeligt hurtigere. P\u00e5 x86_64-systemer, der underst\u00f8tter PCLMUL-instruktioner, er pr\u00e6stationsforbedringen op til 40%, mens den p\u00e5 systemer uden PCLMUL-support er op til 20%. <\/p>\n
Hurtigere ydeevne er opn\u00e5et ved at optimere operationerne med kontrolsummer (CRC), som tidligere tog omkring halvdelen af den anvendte processor tid. Den optimerede version af CRC er allerede tilf\u00f8jet til gnulib-biblioteket, hvilket vil resultere i hurtigere operationer i andre GNU-projekter, der bruger kontrolsum-funktioner. <\/p>\n
Der er foretaget \u00e6ndringer, der bryder kompatibiliteten: installationen af zmore-v\u00e6rkt\u00f8jet er stoppet p\u00e5 platforme, der ikke bruger v\u00e6rkt\u00f8jet \u00abmore\u00bb; behandlingen af milj\u00f8variablen GZIP (som angiver standardindstillinger) er stoppet i situationer, hvor indstillingerne \u00ab-1\u00bb (\u2014hurtig), \u00ab-2\u00bb, \u2026 \u00ab-9\u00bb (\u2014bedst), \u00ab\u2014rsyncable\u00bb eller \u00ab\u2014synchronous\u00bb ikke er angivet eksplicit. <\/p>\n
Det skal desuden n\u00e6vnes: <\/p>\n
\u041f\u0440\u043e\u0435\u043a\u0442 GNU \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b \u0440\u0435\u043b\u0438\u0437 \u043f\u0430\u043a\u0435\u0442\u0430 gzip 1.14, \u0432\u043a\u043b\u044e\u0447\u0430\u044e\u0449\u0435\u0433\u043e \u0443\u0442\u0438\u043b\u0438\u0442\u044b gzip, gunzip, zmore \u0438 zcat \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 \u043f\u0440\u0438 \u043f\u043e\u043c\u043e\u0449\u0438 \u0430\u043b\u0433\u043e\u0440\u0438\u0442\u043c\u0430 LZ77. \u0412 \u043d\u043e\u0432\u043e\u043c \u0432\u044b\u043f\u0443\u0441\u043a\u0435 \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u0435\u043d\u043d\u043e \u0443\u0441\u043a\u043e\u0440\u0435\u043d\u044b \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0438 \u0440\u0430\u0441\u043f\u0430\u043a\u043e\u0432\u043a\u0438. \u041d\u0430 \u0441\u0438\u0441\u0442\u0435\u043c\u0430\u0445 x86_64, \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u044e\u0449\u0438\u0445 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0440\u043d\u044b\u0435 \u0438\u043d\u0441\u0442\u0440\u0443\u043a\u0446\u0438\u0438 PCLMUL, \u043f\u0440\u0438\u0440\u043e\u0441\u0442 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u0438 \u0434\u043e\u0441\u0442\u0438\u0433\u0430\u0435\u0442 40%, \u0430 \u043d\u0430 \u0441\u0438\u0441\u0442\u0435\u043c\u0430\u0445 \u0431\u0435\u0437 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0438 PCLMUL — \u0434\u043e 20%. \u0423\u0441\u043a\u043e\u0440\u0435\u043d\u0438\u0435 \u0440\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u043d\u043e \u0431\u043b\u0430\u0433\u043e\u0434\u0430\u0440\u044f \u043e\u043f\u0442\u0438\u043c\u0438\u0437\u0430\u0446\u0438\u0438 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0439 […]<\/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-123469","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\udd47Udgivelsen af GNU grep 3.12, gzip 1.14, diffutils 3.12 og coreutils 9.7 | ProHoster","description":"GNU-projektet har offentliggjort en opdatering af gzip-pakken 1.14, som inkluderer v\u00e6rkt\u00f8jerne gzip, gunzip, zmore og zcat til kompression og dekompression af data ved hj\u00e6lp af LZ77-algoritmen. 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