Das GNU-Projekt hat die Version 1.14 des gzip-Pakets ver\u00f6ffentlicht, das die Tools gzip, gunzip, zmore und zcat zur Komprimierung und Dekomprimierung von Daten mit dem LZ77-Algorithmus enth\u00e4lt. In der neuen Version wurden die Dekomprimierungsoperationen erheblich beschleunigt. Auf x86_64-Systemen, die die Prozessoranweisungen PCLMUL unterst\u00fctzen, betr\u00e4gt die Leistungssteigerung bis zu 40 %, w\u00e4hrend es auf Systemen ohne PCLMUL-Unterst\u00fctzung bis zu 20 % betr\u00e4gt. <\/p>\n
Die Beschleunigung wurde durch die Optimierung der Berechnungen von Pr\u00fcfziffern (CRC) erreicht, f\u00fcr die zuvor etwa die H\u00e4lfte der gesamten Prozessorzeit ben\u00f6tigt wurde. Die optimierte CRC-Version wurde bereits in die gnulib-Bibliothek integriert, was auch die Beschleunigung anderer GNU-Projekte zur Folge haben wird, die Funktionen zur Berechnung von Pr\u00fcfziffern verwenden. <\/p>\n
Es wurden \u00c4nderungen vorgenommen, die die Kompatibilit\u00e4t beeintr\u00e4chtigen: Die Installation des Tools zmore auf Plattformen, die das Tool \u201emore\u201c nicht verwenden, wurde eingestellt; die Verarbeitung der Umgebungsvariable GZIP (die Standardoptionen festlegt) in Situationen, in denen keine Optionen \u201e-1\u201c (\u2014fast), \u201e-2\u201c, ... \u201e-9\u201c (\u2014best), \u201e\u2014rsyncable\u201c oder \u201e\u2014synchronous\u201c explizit angegeben sind, wurde eingestellt. <\/p>\n
Zus\u00e4tzlich ist zu erw\u00e4hnen: <\/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\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\udd47Die Ver\u00f6ffentlichung der Tools GNU grep 3.12, gzip 1.14, diffutils 3.12 und coreutils 9.7 | ProHoster","description":"Das GNU-Projekt hat die Version 1.14 des gzip-Pakets ver\u00f6ffentlicht, die die Tools gzip, gunzip, zmore und zcat zur Kompression und Dekompression von Daten mithilfe des LZ77-Algorithmus enth\u00e4lt. 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