{"id":102632,"date":"2021-12-16T15:36:47","date_gmt":"2021-12-16T13:36:48","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/pervyj-stabilnyj-reliz-komponovshhika-mold-razvivaemogo-razrabotchikom-llvm-lld"},"modified":"2021-12-16T15:36:47","modified_gmt":"2021-12-16T13:36:48","slug":"pervyj-stabilnyj-reliz-komponovshhika-mold-razvivaemogo-razrabotchikom-llvm-lld","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/pervyj-stabilnyj-reliz-komponovshhika-mold-razvivaemogo-razrabotchikom-llvm-lld","title":{"rendered":"Prvn\u00ed stabiln\u00ed verze kompozitora Mold, vyv\u00edjen\u00e9ho v\u00fdvoj\u00e1\u0159i LLVM lld.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Rui Ueyama, autor linkeru LLVM lld a kompil\u00e1toru chibicc, p\u0159edstavil prvn\u00ed stabiln\u00ed verzi nov\u00e9ho vysoce v\u00fdkonn\u00e9ho linkeru Mold, kter\u00fd v\u00fdrazn\u011b p\u0159ekon\u00e1v\u00e1 rychlost\u00ed spojov\u00e1n\u00ed objektov\u00fdch soubor\u016f linkery GNU gold a LLVM lld. Projekt byl uzn\u00e1n jako p\u0159ipraven\u00fd pro pracovn\u00edho nasazen\u00ed a m\u016f\u017ee slou\u017eit jako rychlej\u0161\u00ed pr\u016fhledn\u00e1 n\u00e1hrada GNU linkeru na syst\u00e9mech Linux. Mezi pl\u00e1ny na dal\u0161\u00ed v\u00fdznamn\u00e9 vyd\u00e1n\u00ed je dolad\u011bn\u00ed podpory platformy macOS, po \u010dem\u017e za\u010dne pr\u00e1ce na adaptaci Mold pro Windows. <\/p>\n

Mold je naps\u00e1n v jazyce C++ (C++20) a je distribuov\u00e1n pod licenc\u00ed AGPLv3, kter\u00e1 je kompatibiln\u00ed s GPLv3, ale nen\u00ed kompatibiln\u00ed s GPLv2, jeliko\u017e vy\u017eaduje zve\u0159ejn\u011bn\u00ed zm\u011bn p\u0159i v\u00fdvoji s\u00ed\u0165ov\u00fdch slu\u017eeb. Tento v\u00fdb\u011br je vysv\u011btlen snahou z\u00edskat financov\u00e1n\u00ed v\u00fdvoje \u2014 autor je ochoten prodat pr\u00e1va na k\u00f3d pro p\u0159e-licencov\u00e1n\u00ed pod povolovac\u00ed licenc\u00ed, jako je MIT, nebo poskytnout samostatnou komer\u010dn\u00ed licenci pro ty, kter\u00fdm AGPL nevyhovuje. <\/p>\n

Mold podporuje v\u0161echny mo\u017enosti GNU linker a vyzna\u010duje se velmi vysok\u00fdm v\u00fdkonem \u2014 linkov\u00e1n\u00ed prob\u00edh\u00e1 rychlost\u00ed, kter\u00e1 je pouze dvakr\u00e1t pomalej\u0161\u00ed ne\u017e jednoduch\u00e9 kop\u00edrov\u00e1n\u00ed soubor\u016f pomoc\u00ed utilitky cp. Nap\u0159\u00edklad p\u0159i sestavov\u00e1n\u00ed Chrome 96 (velikost k\u00f3du 1,89 GB) trv\u00e1 linkov\u00e1n\u00ed spustiteln\u00fdch soubor\u016f s debuginfo na 8-j\u00e1drov\u00e9m po\u010d\u00edta\u010di pomoc\u00ed GNU gold 53 sekundy, LLVM lld 11,7 sekundy, zat\u00edmco Mold pot\u0159ebuje pouze 2,2 sekundy (26kr\u00e1t rychleji ne\u017e GNU gold). P\u0159i linkov\u00e1n\u00ed Clang 13 (3,18 GB) v GNU gold je pot\u0159eba 64 sekund, v LLVM lld 5,8 sekundy, a v Mold 2,9 sekundy. P\u0159i linkov\u00e1n\u00ed Firefox 89 (1,64 GB) v GNU gold je pot\u0159eba 32,9 sekundy, v LLVM lld 6,8 sekundy, zat\u00edmco v Mold 1,4 sekundy.

\"Prvn\u00ed<\/center> <\/p>\n

Sn\u00ed\u017een\u00ed doby pot\u0159ebn\u00e9 na spojov\u00e1n\u00ed v\u00fdrazn\u011b zvy\u0161uje pohodl\u00ed p\u0159i v\u00fdvoji velk\u00fdch projekt\u016f d\u00edky zkr\u00e1cen\u00ed \u010dekac\u00ed doby v procesu generov\u00e1n\u00ed spustiteln\u00fdch soubor\u016f b\u011bhem lad\u011bn\u00ed a testov\u00e1n\u00ed zm\u011bn. Motivem pro vznik Mold bylo roz\u010dilov\u00e1n\u00ed z nutnosti \u010dekat na dokon\u010den\u00ed spojov\u00e1n\u00ed po ka\u017ed\u00e9 zm\u011bn\u011b v k\u00f3du, stejn\u011b jako n\u00edzk\u00e1 \u00fa\u010dinnost st\u00e1vaj\u00edc\u00edch linker\u016f na v\u00edcej\u00e1drov\u00fdch syst\u00e9mech a touha vyzkou\u0161et zcela jinou architekturu spojov\u00e1n\u00ed, ani\u017e by se uch\u00fdlili k nadm\u011brn\u011b komplikovan\u00fdm model\u016fm, jako je inkrement\u00e1ln\u00ed spojov\u00e1n\u00ed. <\/p>\n

Vysok\u00fd v\u00fdkon linkov\u00e1n\u00ed spustiteln\u00e9ho souboru z velk\u00e9ho mno\u017estv\u00ed objektov\u00fdch soubor\u016f p\u0159ipraven\u00fdch kompil\u00e1torem v Moldu je dosa\u017een pou\u017eit\u00edm rychlej\u0161\u00edch algoritm\u016f, aktivn\u00edm paralelizov\u00e1n\u00edm operac\u00ed mezi dostupn\u00fdmi j\u00e1dry CPU a aplikac\u00ed efektivn\u011bj\u0161\u00edch datov\u00fdch struktur. Nap\u0159\u00edklad v Moldu je implementov\u00e1na technika prov\u00e1d\u011bn\u00ed intenzivn\u00edch v\u00fdpo\u010dt\u016f sou\u010dasn\u011b s kop\u00edrov\u00e1n\u00edm soubor\u016f, p\u0159edb\u011b\u017en\u00e9 na\u010d\u00edt\u00e1n\u00ed objektov\u00fdch soubor\u016f do pam\u011bti, vyu\u017eit\u00ed rychl\u00fdch hashovac\u00edch tabulek p\u0159i roz\u0159e\u0161en\u00ed symbol\u016f, skenov\u00e1n\u00ed tabulek relokac\u00ed v samostatn\u00e9m vl\u00e1kn\u011b a deduplikace opakuj\u00edc\u00edch se v r\u016fzn\u00fdch souborech slu\u010dovan\u00fdch sekc\u00ed.
\n
Zdroj: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

Rui Ueyama, \u0430\u0432\u0442\u043e\u0440 \u043a\u043e\u043c\u043f\u043e\u043d\u043e\u0432\u0449\u0438\u043a\u0430 LLVM lld \u0438 \u043a\u043e\u043c\u043f\u0438\u043b\u044f\u0442\u043e\u0440\u0430 chibicc, \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u043b \u043f\u0435\u0440\u0432\u044b\u0439 \u0441\u0442\u0430\u0431\u0438\u043b\u044c\u043d\u044b\u0439 \u0440\u0435\u043b\u0438\u0437 \u043d\u043e\u0432\u043e\u0433\u043e \u0432\u044b\u0441\u043e\u043a\u043e\u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0433\u043e \u043a\u043e\u043c\u043f\u043e\u043d\u043e\u0432\u0449\u0438\u043a\u0430 Mold, \u0437\u0430\u043c\u0435\u0442\u043d\u043e \u043e\u043f\u0435\u0440\u0435\u0436\u0430\u044e\u0449\u0435\u0433\u043e \u043f\u043e \u0441\u043a\u043e\u0440\u043e\u0441\u0442\u0438 \u0441\u0432\u044f\u0437\u044b\u0432\u0430\u043d\u0438\u044f \u043e\u0431\u044a\u0435\u043a\u0442\u043d\u044b\u0445 \u0444\u0430\u0439\u043b\u043e\u0432 \u043a\u043e\u043c\u043f\u043e\u043d\u043e\u0432\u0449\u0438\u043a\u0438 GNU gold \u0438 LLVM lld. \u041f\u0440\u043e\u0435\u043a\u0442 \u043f\u0440\u0438\u0437\u043d\u0430\u043d \u0433\u043e\u0442\u043e\u0432\u044b\u043c \u0434\u043b\u044f \u0440\u0430\u0431\u043e\u0447\u0438\u0445 \u0432\u043d\u0435\u0434\u0440\u0435\u043d\u0438\u0439 \u0438 \u043c\u043e\u0436\u0435\u0442 \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0442\u044c\u0441\u044f \u0432 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435 \u0431\u043e\u043b\u0435\u0435 \u0431\u044b\u0441\u0442\u0440\u043e\u0439 \u043f\u0440\u043e\u0437\u0440\u0430\u0447\u043d\u043e\u0439 \u0437\u0430\u043c\u0435\u043d\u044b GNU linker \u043d\u0430 Linux-\u0441\u0438\u0441\u0442\u0435\u043c\u0430\u0445. \u0418\u0437 \u043f\u043b\u0430\u043d\u043e\u0432 \u043d\u0430 \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u0439 \u0437\u043d\u0430\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0439 \u0432\u044b\u043f\u0443\u0441\u043a […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":102633,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-102632","post","type-post","status-publish","format-standard","has-post-thumbnail","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\udd47Prvn\u00ed stabiln\u00ed verze linkeru Mold, vyv\u00edjen\u00e9ho v\u00fdvoj\u00e1\u0159em LLVM lld | ProHoster","description":"Rui Ueyama, autor linkeru LLVM lld a kompil\u00e1toru chibicc, p\u0159edstavil prvn\u00ed stabiln\u00ed verzi nov\u00e9ho vysoce v\u00fdkonn\u00e9ho linkeru Mold, kter\u00fd v\u00fdrazn\u011b p\u0159edstihuje rychlost v\u00e1z\u00e1n\u00ed objektov\u00fdch soubor\u016f.","canonical_url":"https:\/\/prohoster.info\/cs\/blog\/news\/pervyj-stabilnyj-reliz-komponovshhika-mold-razvivaemogo-razrabotchikom-llvm-lld","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"cs_CZ","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47\u041f\u0435\u0440\u0432\u044b\u0439 \u0441\u0442\u0430\u0431\u0438\u043b\u044c\u043d\u044b\u0439 \u0440\u0435\u043b\u0438\u0437 \u043a\u043e\u043c\u043f\u043e\u043d\u043e\u0432\u0449\u0438\u043a\u0430 Mold, \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0435\u043c\u043e\u0433\u043e \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u043e\u043c LLVM lld | ProHoster","og:description":"Rui Ueyama, \u0430\u0432\u0442\u043e\u0440 \u043a\u043e\u043c\u043f\u043e\u043d\u043e\u0432\u0449\u0438\u043a\u0430 LLVM lld \u0438 \u043a\u043e\u043c\u043f\u0438\u043b\u044f\u0442\u043e\u0440\u0430 chibicc, \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u043b \u043f\u0435\u0440\u0432\u044b\u0439 \u0441\u0442\u0430\u0431\u0438\u043b\u044c\u043d\u044b\u0439 \u0440\u0435\u043b\u0438\u0437 \u043d\u043e\u0432\u043e\u0433\u043e \u0432\u044b\u0441\u043e\u043a\u043e\u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0433\u043e \u043a\u043e\u043c\u043f\u043e\u043d\u043e\u0432\u0449\u0438\u043a\u0430 Mold, \u0437\u0430\u043c\u0435\u0442\u043d\u043e \u043e\u043f\u0435\u0440\u0435\u0436\u0430\u044e\u0449\u0435\u0433\u043e \u043f\u043e \u0441\u043a\u043e\u0440\u043e\u0441\u0442\u0438 \u0441\u0432\u044f\u0437\u044b\u0432\u0430\u043d\u0438\u044f \u043e\u0431\u044a\u0435\u043a\u0442\u043d\u044b\u0445 \u0444\u0430\u0439\u043b\u043e\u0432.","og:url":"https:\/\/prohoster.info\/cs\/blog\/news\/pervyj-stabilnyj-reliz-komponovshhika-mold-razvivaemogo-razrabotchikom-llvm-lld","og:image":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:secure_url":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:width":350,"og:image:height":350,"article:published_time":"2021-12-16T13:36:48+00:00","article:modified_time":"2021-12-16T13:36:48+00:00","article:publisher":"https:\/\/www.facebook.com\/prohoster","article:author":"https:\/\/www.facebook.com\/prohoster"},"aioseo_meta_data":{"post_id":"102632","title":null,"description":null,"keywords":null,"keyphrases":null,"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"default","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":null,"og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"","isEnabled":true},"graphs":[]},"schema_type":"default","schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":null,"robots_max_videopreview":null,"robots_max_imagepreview":"large","priority":null,"frequency":null,"local_seo":null,"seo_analyzer_scan_date":null,"breadcrumb_settings":null,"limit_modified_date":false,"reviewed_by":null,"ai":null,"created":"2021-12-16 13:37:05","updated":"2022-10-01 04:27:59","focus_keyword":null,"additional_keywords":null,"truseo_locale":null},"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/posts\/102632","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/comments?post=102632"}],"version-history":[{"count":0,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/posts\/102632\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/media\/102633"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/media?parent=102632"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/categories?post=102632"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/tags?post=102632"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}