{"id":111450,"date":"2023-11-12T03:10:13","date_gmt":"2023-11-12T01:10:13","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/v-nochnyh-sborkah-rust-rasshireny-vozmozhnosti-rasparallelivaniya-kompilyaczii"},"modified":"2023-11-12T03:10:13","modified_gmt":"2023-11-12T01:10:13","slug":"v-nochnyh-sborkah-rust-rasshireny-vozmozhnosti-rasparallelivaniya-kompilyaczii","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/news\/v-nochnyh-sborkah-rust-rasshireny-vozmozhnosti-rasparallelivaniya-kompilyaczii","title":{"rendered":"Nas compila\u00e7\u00f5es noturnas do Rust, foram ampliadas as capacidades de paraleliza\u00e7\u00e3o da compila\u00e7\u00e3o.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>No frontend do compilador Rust, que executa tarefas como an\u00e1lise sint\u00e1tica, verifica\u00e7\u00e3o de tipos e an\u00e1lise de empr\u00e9stimos, foi implementado o suporte para execu\u00e7\u00e3o paralela, permitindo uma redu\u00e7\u00e3o significativa no tempo de compila\u00e7\u00e3o. A paraleliza\u00e7\u00e3o j\u00e1 est\u00e1 dispon\u00edvel em compila\u00e7\u00f5es noturnas do Rust e pode ser ativada com a op\u00e7\u00e3o \u2018-Z threads=8\u2019. A inclus\u00e3o dessa funcionalidade na vers\u00e3o est\u00e1vel est\u00e1 prevista para 2024.    <\/p>\n<p>Os esfor\u00e7os para reduzir o tempo de compila\u00e7\u00e3o no Rust v\u00eam sendo realizados h\u00e1 v\u00e1rios anos. Nos primeiros 10 meses de 2023, o tempo de compila\u00e7\u00e3o m\u00e9dio diminuiu em 13%, o consumo de mem\u00f3ria m\u00e1ximo foi reduzido em 15% e o tamanho dos arquivos gerados diminuiu em 7%. Neste est\u00e1gio, a acelera\u00e7\u00e3o foi alcan\u00e7ada por meio de otimiza\u00e7\u00f5es no pr\u00f3prio compilador. Ap\u00f3s isso, os desenvolvedores come\u00e7aram a trabalhar na acelera\u00e7\u00e3o por meio da paraleliza\u00e7\u00e3o das opera\u00e7\u00f5es durante a compila\u00e7\u00e3o.     <\/p>\n<p>At\u00e9 agora, a paraleliza\u00e7\u00e3o no Rust foi principalmente realizada ao n\u00edvel de processos, por exemplo, o gerenciador de pacotes Cargo pode iniciar v\u00e1rios processos rustc para compilar v\u00e1rios pacotes simultaneamente. O suporte \u00e0 paraleliza\u00e7\u00e3o tamb\u00e9m est\u00e1 presente no backend, que executa opera\u00e7\u00f5es relacionadas \u00e0 gera\u00e7\u00e3o de c\u00f3digo \u2014 o backend do Rust pode gerar c\u00f3digo em partes que, posteriormente, o LLVM pode processar em paralelo. No entanto, o frontend ainda s\u00f3 podia processar o c\u00f3digo-fonte em modo de thread \u00fanica.      <\/p>\n<p>Para dar suporte \u00e0 paraleliza\u00e7\u00e3o, o frontend foi transferido para o uso da biblioteca Rayon e passou por uma reestrutura\u00e7\u00e3o significativa; por exemplo, muitas de suas partes agora s\u00e3o sincronizadas usando mutexes e bloqueios de leitura\/escrita, enquanto tipos at\u00f4micos s\u00e3o utilizados no c\u00f3digo. Nos testes de desempenho, a nova implementa\u00e7\u00e3o paraleliz\u00e1vel conseguiu compilar at\u00e9 2% mais devagar em modo de thread \u00fanica (-Z threads=1), mas quando havia mais de uma thread, a velocidade aumentava significativamente. Por exemplo, ao configurar 8 threads (-Z threads=8), em algumas situa\u00e7\u00f5es, o tempo de compila\u00e7\u00e3o foi reduzido em 50%.    <\/p>\n<p>Nesse contexto, o resultado depende fortemente das configura\u00e7\u00f5es do ambiente e do c\u00f3digo compilado \u2014 para programas muito pequenos, que j\u00e1 s\u00e3o compilados rapidamente, a compila\u00e7\u00e3o em modo multithread pode ser mais lenta. Al\u00e9m disso, o consumo de mem\u00f3ria em modo multithread pode aumentar significativamente; por exemplo, em testes, foi observado um aumento de at\u00e9 35% no consumo de mem\u00f3ria.<br \/>\n<br \/>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=60095\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0412\u043e \u0444\u0440\u043e\u043d\u0442\u044d\u043d\u0434\u0435 \u043a\u043e\u043c\u043f\u0438\u043b\u044f\u0442\u043e\u0440\u0430 Rust, \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u044e\u0449\u0435\u043c \u0442\u0430\u043a\u0438\u0435 \u0437\u0430\u0434\u0430\u0447\u0438, \u043a\u0430\u043a \u0441\u0438\u043d\u0442\u0430\u043a\u0441\u0438\u0447\u0435\u0441\u043a\u0438\u0439 \u0430\u043d\u0430\u043b\u0438\u0437, \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0430 \u0442\u0438\u043f\u043e\u0432 \u0438 \u0430\u043d\u0430\u043b\u0438\u0437 \u0437\u0430\u0438\u043c\u0441\u0442\u0432\u043e\u0432\u0430\u043d\u0438\u0439, \u0440\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u043d\u0430 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430 \u043f\u0430\u0440\u0430\u043b\u043b\u0435\u043b\u044c\u043d\u043e\u0433\u043e \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0435\u0433\u043e \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u0435\u043d\u043d\u043e \u0441\u043e\u043a\u0440\u0430\u0442\u0438\u0442\u044c \u0432\u0440\u0435\u043c\u044f \u043a\u043e\u043c\u043f\u0438\u043b\u044f\u0446\u0438\u0438. \u0420\u0430\u0441\u043f\u0430\u0440\u0430\u043b\u043b\u0435\u043b\u0438\u0432\u0430\u043d\u0438\u0435 \u0443\u0436\u0435 \u0434\u043e\u0441\u0442\u0443\u043f\u043d\u043e \u0432 \u043d\u043e\u0447\u043d\u044b\u0445 \u0441\u0431\u043e\u0440\u043a\u0430\u0445 Rust \u0438 \u0432\u043a\u043b\u044e\u0447\u0430\u0435\u0442\u0441\u044f \u043f\u0440\u0438 \u043f\u043e\u043c\u043e\u0449\u0438 \u043e\u043f\u0446\u0438\u0438 &#171;-Z threads=8&#187;. \u0412 \u0441\u0442\u0430\u0431\u0438\u043b\u044c\u043d\u0443\u044e \u0432\u0435\u0442\u043a\u0443 \u0440\u0430\u0441\u0441\u043c\u0430\u0442\u0440\u0438\u0432\u0430\u0435\u043c\u0443\u044e \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u043f\u043b\u0430\u043d\u0438\u0440\u0443\u044e\u0442 \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u044c \u0432 2024 \u0433\u043e\u0434\u0443. \u0420\u0430\u0431\u043e\u0442\u0430 \u043d\u0430\u0434 \u0441\u043e\u043a\u0440\u0430\u0449\u0435\u043d\u0438\u0435\u043c \u0432\u0440\u0435\u043c\u0435\u043d\u0438 \u043a\u043e\u043c\u043f\u0438\u043b\u044f\u0446\u0438\u0438 \u0432 Rust [&hellip;]<\/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-111450","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0412\u043e \u0444\u0440\u043e\u043d\u0442\u044d\u043d\u0434\u0435 \u043a\u043e\u043c\u043f\u0438\u043b\u044f\u0442\u043e\u0440\u0430 Rust, \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u044e\u0449\u0435\u043c \u0442\u0430\u043a\u0438\u0435 \u0437\u0430\u0434\u0430\u0447\u0438, \u043a\u0430\u043a \u0441\u0438\u043d\u0442\u0430\u043a\u0441\u0438\u0447\u0435\u0441\u043a\u0438\u0439 \u0430\u043d\u0430\u043b\u0438\u0437, \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0430 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