{"id":128473,"date":"2025-04-11T11:33:01","date_gmt":"2025-04-11T02:33:01","guid":{"rendered":"https:\/\/softantenna.com\/blog\/?p=128473"},"modified":"2025-04-11T11:33:01","modified_gmt":"2025-04-11T02:33:01","slug":"gzip-1-14","status":"publish","type":"post","link":"https:\/\/softantenna.com\/blog\/gzip-1-14\/","title":{"rendered":"Gzip 1.14\u304c\u30ea\u30ea\u30fc\u30b9 - PCLMUL\u306e\u30b5\u30dd\u30fc\u30c8\u306b\u3088\u308a\u89e3\u51cd\u901f\u5ea6\u304c\u6700\u592740%\u5411\u4e0a"},"content":{"rendered":"

\"\"<\/p>\n

GNU Gzip\u3092\u958b\u767a\u3059\u308bJim Meyering\u6c0f\u306f4\u670810\u65e5\u3001GNU Gzip\u306e\u6700\u65b0\u7248v1.14\u3092\u30ea\u30ea\u30fc\u30b9\u3057\u307e\u3057\u305f(\u30a2\u30ca\u30a6\u30f3\u30b9<\/a>\u3001Phoronix<\/a>)\u3002Gzip 1.14\u306f2\u5e74\u306e\u6b73\u6708\u3092\u304b\u3051\u3066\u958b\u767a\u3055\u308c\u305f\u65b0\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u3001\u30d0\u30b0\u30d5\u30a3\u30c3\u30af\u30b9\u3084\u3044\u304f\u3064\u304b\u306e\u5c0f\u898f\u6a21\u306a\u5909\u66f4\u304c\u884c\u308f\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n

\u30e6\u30fc\u30b6\u30fc\u306b\u3068\u3063\u3066\u6700\u5927\u306e\u6ce8\u76ee\u306f\u300cgzip -d\u300d\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u5927\u5e45\u306b\u6539\u5584\u3055\u308c\u305f\u3053\u3068\u3067\u3059\u3002\u7279\u306bPCLMUL\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u308bx86_64 CPU\u3067\u306f\u6700\u592740%\u9ad8\u901f\u5316\u3057\u3001PCLMUL\u306e\u30b5\u30dd\u30fc\u30c8\u304c\u306a\u3044\u53e4\u3044CPU\u3067\u3082\u7d0420%\u306e\u901f\u5ea6\u5411\u4e0a\u304c\u78ba\u8a8d\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n

Gipz\u306e\u89e3\u51cd\u51e6\u7406\u3067\u306fCRC(\u5de1\u56de\u5197\u9577\u691c\u67fb)\u306e\u8a08\u7b97\u304c\u5927\u304d\u306a\u8ca0\u8377\u3068\u306a\u3063\u3066\u3044\u307e\u3057\u305f\u304c\u3001\u65b0\u3057\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u306f\u3001gnulib\u306e\u65b0\u3057\u3044CRC\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u5c0e\u5165\u3057\u3001PCLMUL\u3092\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067\u3088\u308a\u52b9\u7387\u7684\u306aCRC\u8a08\u7b97\u304c\u5b9f\u73fe\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n

PCLMUL(PCLMULQDQ)\u306f\u3001Carry-less Multiplication(\u30ad\u30e3\u30ea\u30fc\u306a\u3057\u4e57\u7b97)\u3092\u884c\u3046\u305f\u3081\u306ex86\u547d\u4ee4\u30bb\u30c3\u30c8\u306e\u4e00\u90e8\u3067\u3059\u3002Intel\u3068AMD\u306e\u30d7\u30ed\u30bb\u30c3\u30b5\u3067\u4f7f\u7528\u3055\u308c\u3066\u304a\u308a\u3001\u7279\u306b\u6697\u53f7\u51e6\u7406\u3084CRC\u8a08\u7b97\u306e\u9ad8\u901f\u5316\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002Intel\u3067\u306f2010\u5e74\u306eWestmere\u304b\u3089\u3001AMD\u30822011\u5e74Bulldozer\u304b\u3089\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u304a\u308a\u3001\u591a\u304f\u306e\u30b7\u30b9\u30c6\u30e0\u3067\u9ad8\u901f\u5316\u306e\u6069\u6075\u3092\u53d7\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u305d\u3046\u3067\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

GNU Gzip\u3092\u958b\u767a\u3059\u308bJim Meyering\u6c0f\u306f4\u670810\u65e5\u3001GNU Gzip\u306e\u6700\u65b0\u7248v1.14\u3092\u30ea\u30ea\u30fc\u30b9\u3057\u307e\u3057\u305f(\u30a2\u30ca\u30a6\u30f3\u30b9\u3001Phoronix)\u3002Gzip 1.14\u306f2\u5e74\u306e\u6b73\u6708\u3092\u304b\u3051\u3066\u958b\u767a\u3055\u308c\u305f\u65b0\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u3001\u30d0\u30b0 […]<\/p>\n","protected":false},"author":2,"featured_media":128474,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"swell_btn_cv_data":"","footnotes":""},"categories":[75],"tags":[3636],"class_list":["post-128473","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-software","tag-gzip"],"_links":{"self":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/posts\/128473","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/comments?post=128473"}],"version-history":[{"count":0,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/posts\/128473\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/media\/128474"}],"wp:attachment":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/media?parent=128473"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/categories?post=128473"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/tags?post=128473"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}