{"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\/sv\/blog\/news\/pervyj-stabilnyj-reliz-komponovshhika-mold-razvivaemogo-razrabotchikom-llvm-lld","title":{"rendered":"Den f\u00f6rsta stabila utg\u00e5van av l\u00e4nkaren Mold, som utvecklas av LLVM lld-utvecklaren","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Rui Ueyama, skaparen av LLVM lld-l\u00e4nkaren och chibicc-kompilatorn, har presenterat den f\u00f6rsta stabila versionen av den nya h\u00f6gpresterande l\u00e4nkaren Mold, som m\u00e4rkbart \u00f6vertr\u00e4ffar hastigheten hos GNU-gold och LLVM lld. Projektet har bed\u00f6mts vara redo f\u00f6r produktionsanv\u00e4ndning och kan anv\u00e4ndas som en snabbare och transparent ers\u00e4ttning f\u00f6r GNU-l\u00e4nkar p\u00e5 Linux-system. Bland planer f\u00f6r den n\u00e4sta betydande utg\u00e5van n\u00e4mns att st\u00f6d f\u00f6r macOS ska vara klart, varefter arbetet med att anpassa Mold f\u00f6r Windows p\u00e5b\u00f6rjas.      <\/p>\n<p>Mold \u00e4r skrivet i C++ (C++20) och distribueras under AGPLv3-licensen, som \u00e4r kompatibel med GPLv3 men inte med GPLv2, eftersom den kr\u00e4ver att \u00e4ndringar offentligg\u00f6rs n\u00e4r man utvecklar n\u00e4tverksservrar. Detta val motiveras av \u00f6nskan att f\u00e5 finansiering f\u00f6r utvecklingen - f\u00f6rfattaren \u00e4r villig att s\u00e4lja r\u00e4ttigheterna till koden f\u00f6r att licensiera om den under en mer till\u00e5tande licens, s\u00e5som MIT, eller erbjuda en separat kommersiell licens f\u00f6r dem som inte \u00e4r n\u00f6jda med AGPL.      <\/p>\n<p>Mold st\u00f6der alla funktioner i GNU-l\u00e4nkaren och k\u00e4nnetecknas av mycket h\u00f6g prestanda - l\u00e4nkningen utf\u00f6rs med en hastighet som \u00e4r endast tv\u00e5 g\u00e5nger l\u00e5ngsammare \u00e4n en enkel kopiering av filer med verktyget cp. Till exempel, vid kompilering av Chrome 96 (med en kodstorlek p\u00e5 1,89 GB) tar det 53 sekunder med GNU gold f\u00f6r att l\u00e4nka exekverbara filer med debug-information p\u00e5 en 8-k\u00e4rnig dator, medan LLVM lld tar 11,7 sekunder och Mold endast 2,2 sekunder (26 g\u00e5nger snabbare \u00e4n GNU gold). Vid l\u00e4nkning av Clang 13 (3,18 GB) kr\u00e4vs 64 sekunder f\u00f6r GNU gold, 5,8 sekunder f\u00f6r LLVM lld och 2,9 sekunder f\u00f6r Mold. Vid l\u00e4nkning av Firefox 89 (1,64 GB) beh\u00f6vs 32,9 sekunder f\u00f6r GNU gold, 6,8 sekunder f\u00f6r LLVM lld och 1,4 sekunder f\u00f6r Mold.      <center><img decoding=\"async\" alt=\"Den f\u00f6rsta stabila utg\u00e5van av l\u00e4nkaren Mold, som utvecklas av LLVM lld-utvecklaren\" src=\"\/wp-content\/uploads\/2021\/12\/75a435a5a9f8a62eb2d0485dccc6abc1.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/center>    <\/p>\n<p>Minskningen av l\u00e4nkningstiden m\u00f6jligg\u00f6r en avsev\u00e4rd \u00f6kning av bekv\u00e4mligheten vid utveckling av stora projekt genom att f\u00f6rkorta v\u00e4ntan i processen f\u00f6r skapande av k\u00f6rbara filer vid fels\u00f6kning och testning av f\u00f6r\u00e4ndringar. Motivationen bakom skapandet av Mold var irritation \u00f6ver att beh\u00f6va v\u00e4nta p\u00e5 att l\u00e4nkningen skulle bli klar efter varje \u00e4ndring i koden, samt den l\u00e5ga effektiviteten hos befintliga l\u00e4nkar p\u00e5 flerk\u00e4rniga system och en vilja att pr\u00f6va en helt annan l\u00e4nkarkitektur utan att f\u00f6rlita sig p\u00e5 \u00f6verdrivet komplicerade modeller, s\u00e5som inkrementell l\u00e4nkning.    <\/p>\n<p>H\u00f6gpresterande l\u00e4nkning av k\u00f6rbara filer fr\u00e5n ett stort antal objektfiler som f\u00f6rberetts av kompilatorn i Mold uppn\u00e5s genom anv\u00e4ndning av snabbare algoritmer, aktiv parallellisering av operationer mellan tillg\u00e4ngliga CPU-k\u00e4rnor och till\u00e4mpning av mer effektiva datatyper. Till exempel har Mold implementerat tekniker f\u00f6r att utf\u00f6ra ber\u00e4kningsintensiva uppgifter samtidigt som filer kopieras, f\u00f6rladdning av objektfiler i minnet, anv\u00e4ndning av snabba hash-tabeller f\u00f6r symboluppl\u00f6sning, skanning av flyttabeller i en separat tr\u00e5d och deduplicering av upprepade sektioner i olika filer.<br \/>\n<br \/>K\u00e4lla: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=56358\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>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 [&hellip;]<\/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<!-- All in One SEO 5.0.4 - aioseo.com -->\n\t<meta name=\"description\" content=\"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 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utvecklad av skaparen av LLVM lld | ProHoster","description":"Rui Ueyama, skaparen av LLVM lld-linker och kompilatorn chibicc, har presenterat den f\u00f6rsta stabila versionen av den nya h\u00f6gpresterande l\u00e4nkaren Mold, som avsev\u00e4rt \u00f6vertr\u00e4ffar andra verktyg i hastighet f\u00f6r l\u00e4nkning av objektfiler.","canonical_url":"https:\/\/prohoster.info\/sv\/blog\/news\/pervyj-stabilnyj-reliz-komponovshhika-mold-razvivaemogo-razrabotchikom-llvm-lld","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"sv_SE","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 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