{"id":135950,"date":"2025-06-06T15:05:24","date_gmt":"2025-06-06T13:05:25","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/predstavlen-bekend-tpde-llvm-rabotayushhij-v-10-20-raz-bystree-llvm-v-rezhime-bez-optimizaczii"},"modified":"2025-06-06T15:05:24","modified_gmt":"2025-06-06T13:05:25","slug":"predstavlen-bekend-tpde-llvm-rabotayushhij-v-10-20-raz-bystree-llvm-v-rezhime-bez-optimizaczii","status":"publish","type":"post","link":"https:\/\/prohoster.info\/da\/blog\/news\/predstavlen-bekend-tpde-llvm-rabotayushhij-v-10-20-raz-bystree-llvm-v-rezhime-bez-optimizaczii","title":{"rendered":"Backend TPDE-LLVM er introduceret og arbejder 10-20 gange hurtigere end LLVM i uoptimiseret tilstand.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Forskere fra det tekniske universitet i M\u00fcnchen har offentliggjort v\u00e6rkt\u00f8jet TPDE og en backend-kompilator baseret p\u00e5 det til LLVM \u2014 TPDE-LLVM, der muligg\u00f8r generering af maskinkode til x86-64- og AArch64-arkitekturer baseret p\u00e5 LLVM-IR. Under test viste TPDE-LLVM sig at v\u00e6re 10-20 gange hurtigere end LLVM -O0-backenden (kodegenerator uden optimeringer) med samme niveau af ydeevne for den resulterende maskinkode og en stigning i st\u00f8rrelse p\u00e5 10-30%. Resultaterne fra projektet er offentliggjort under Apache 2.0-licensen.    <\/p>\n<p>TPDE-LLVM er oprindeligt rettet mod at sikre kompilering med minimale forsinkelser og et kvalitetsniveau svarende til byggeindstillingen uden optimeringer (&#171;-O0&#187;). Projektet leverer et v\u00e6rkt\u00f8j til isoleret k\u00f8rsel af tpde-llc, et bibliotek til integration i applikationer (f.eks. til implementering af JIT-kompilatorfunktionalitet) og patches til integration med Clang og Flang.    <center><img decoding=\"async\" alt=\"Backend TPDE-LLVM er introduceret og arbejder 10-20 gange hurtigere end LLVM i uoptimiseret tilstand.\" src=\"\/wp-content\/uploads\/2025\/06\/68d39bfd1329b05275aa44050fcf5ed4.png\" style=\"display:block;margin: 0 auto;\" \/><\/center>    <\/p>\n<p>Projektet kan bruges som en grundl\u00e6ggende kompilering komponent til JIT eller til at skabe uoptimale samlinger. TPDE-LLVM fokuserer udelukkende p\u00e5 kompileringens hastighed og fors\u00f8ger ikke at konkurrere med LLVMs optimerende backends, som sammenlignet med TPDE-LLVM arbejder betydeligt langsommere, men tillader generering af hurtigere og mere kompakt maskinkode (cirka 2 gange hurtigere og 2 gange mindre i st\u00f8rrelse).     <\/p>\n<p>TPDE-LLVM anvender tre faser til kodegenerering:   <\/p>\n<ul>\n<li> Rensning og forberedelse af LLVM mellemlagrepr\u00e6sentationen;\n<li> Analyse af cykel information og brug af variable;\n<li> Generering af maskinkode.   <\/ul>\n<p>  <center><img decoding=\"async\" alt=\"Backend TPDE-LLVM er introduceret og arbejder 10-20 gange hurtigere end LLVM i uoptimiseret tilstand.\" src=\"\/wp-content\/uploads\/2025\/06\/944e734dee08a32799457c0ce5438e57.png\" style=\"display:block;margin: 0 auto;\" \/><\/center>        <\/p>\n<p>Det bem\u00e6rkes, at med forfatterne fra TPDE er optimeringer allerede tilf\u00f8jet i LLVM versioner 19 og 20, hvilket har f\u00f8rt til en forbedring af den indbyggede LLVM backend med 18% p\u00e5 x86-64 platformen og 13% p\u00e5 ARM64 platformen. If\u00f8lge TPDEs forfattere er det muligt at forbedre LLVM backenden med 10-20% i fremtiden med minimale \u00e6ndringer, men yderligere forbedringer i ydeevnen vil kr\u00e6ve betydelige \u00e6ndringer. Selv med v\u00e6sentlige revisioner er det dog usandsynligt, at den eksisterende LLVM backend kan forbedres med 10 gange.      <\/p>\n<p>P\u00e5 nuv\u00e6rende udviklingsstadium er et af m\u00e5lene for TPDE-projektet at sikre support for det LLVM-intermediate representation, der genereres af Clang-frontenden i optimeringsindstillingerne &#171;-O0&#187; og &#171;-O1&#187;. Behandling af det mellemled, der er oprettet i &#171;-O2&#187;-tilstand, kan ikke garanteres p\u00e5 grund af manglende st\u00f8tte i TPDE for vektoroperationer. Delvis support for det mellemled fra Flang og Rust-kompilatoren underst\u00f8ttes.<br \/>\n<br \/>Kilde: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=63368\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0418\u0441\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u0438 \u0438\u0437 \u041c\u044e\u043d\u0445\u0435\u043d\u0441\u043a\u043e\u0433\u043e \u0442\u0435\u0445\u043d\u0438\u0447\u0435\u0441\u043a\u043e\u0433\u043e \u0443\u043d\u0438\u0432\u0435\u0440\u0441\u0438\u0442\u0435\u0442\u0430 \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b\u0438 \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u0439 TPDE \u0438 \u043e\u0441\u043d\u043e\u0432\u0430\u043d\u043d\u044b\u0439 \u043d\u0430 \u043d\u0451\u043c \u0431\u044d\u043a\u0435\u043d\u0434 \u043a\u043e\u043c\u043f\u0438\u043b\u044f\u0442\u043e\u0440\u0430 \u0434\u043b\u044f LLVM &#8212; TPDE-LLVM, \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0438\u0432\u0430\u044e\u0449\u0438\u0439 \u0433\u0435\u043d\u0435\u0440\u0430\u0446\u0438\u044e \u043c\u0430\u0448\u0438\u043d\u043d\u043e\u0433\u043e \u043a\u043e\u0434\u0430 \u0434\u043b\u044f \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440 x86-64 \u0438 AArch64 \u043d\u0430 \u043e\u0441\u043d\u043e\u0432\u0435 \u043f\u0440\u043e\u043c\u0435\u0436\u0443\u0442\u043e\u0447\u043d\u043e\u0433\u043e \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u043a\u043e\u0434\u0430 LLVM-IR. \u041f\u0440\u0438 \u0442\u0435\u0441\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0438 TPDE-LLVM \u043e\u043a\u0430\u0437\u0430\u043b\u0441\u044f \u0431\u044b\u0441\u0442\u0440\u0435\u0435 \u0431\u044d\u043a\u0435\u043d\u0434\u0430 LLVM -O0 (\u0433\u0435\u043d\u0435\u0440\u0430\u0442\u043e\u0440 \u043a\u043e\u0434\u0430 \u0431\u0435\u0437 \u043e\u043f\u0442\u0438\u043c\u0438\u0437\u0430\u0446\u0438\u0439) \u0432 10-20 \u0440\u0430\u0437 \u043f\u0440\u0438 \u0442\u043e\u043c \u0436\u0435 \u0443\u0440\u043e\u0432\u043d\u0435 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u0438 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0438\u0440\u0443\u044e\u0449\u0435\u0433\u043e \u043c\u0430\u0448\u0438\u043d\u043d\u043e\u0433\u043e [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":135951,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-135950","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - 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