{"id":120609,"date":"2024-11-20T13:09:07","date_gmt":"2024-11-20T11:09:09","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/razrabotchiki-ubuntu-proanalizirovali-effektivnost-vklyucheniya-pgo-optimizaczii"},"modified":"2024-11-20T13:09:07","modified_gmt":"2024-11-20T11:09:09","slug":"razrabotchiki-ubuntu-proanalizirovali-effektivnost-vklyucheniya-pgo-optimizaczii","status":"publish","type":"post","link":"https:\/\/prohoster.info\/de\/blog\/novosti-interneta\/razrabotchiki-ubuntu-proanalizirovali-effektivnost-vklyucheniya-pgo-optimizaczii","title":{"rendered":"Die Entwickler von Ubuntu haben die Effizienz der Aktivierung von PGO-Optimierung analysiert.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Das Unternehmen Canonical hat die Ergebnisse einer Bewertung der Leistungs\u00e4nderungen bei der Neuzuordnung von Paketen mit aktivierter Profilgesteuerter Optimierung (PGO \u2014 Profile-guided optimization) ver\u00f6ffentlicht, die es erm\u00f6glicht, optimierteren Code basierend auf der Analyse von Programmausf\u00fchrungsmerkmalen zu generieren. Im Rahmen dieser Arbeiten wurde festgestellt, dass die Aktivierung der PGO-Optimierung die CPU-Belastung um 5-7 % senken und die Build-Zeit beschleunigen konnte.    <\/p>\n<p>Im Rahmen des durchgef\u00fchrten Experiments wurde die Leistung der Paketkompilierung f\u00fcr OpenSSL, GDB, Emacs und Python3.12 in einer virtuellen Umgebung mit QEMU, das ein RISC-V-System auf einem x86_64-Computer emuliert, gemessen. Der Leistungsunterschied wurde f\u00fcr QEMU bewertet, das mit den Standardoptionen und mit aktivierter PGO-Optimierung kompiliert wurde. Die zu kompilierenden Pakete wurden so ausgew\u00e4hlt, dass sie verschiedene Programmiersprachen verwenden und der Codeumfang 1-6 Stunden Kompilierzeit im Emulator entspricht.     <\/p>\n<p>Aus praktischer Sicht erm\u00f6glichte das Experiment eine Leistungssteigerung der Build-Umgebungen f\u00fcr die RISC-V-Plattform, die durch einen Emulator gestartet werden. Build-Prozesse, die zuvor einen Tag in Anspruch nahmen, konnten durch den Einsatz der PGO-Optimierung fast zwei Stunden schneller abgeschlossen werden, was die M\u00f6glichkeit er\u00f6ffnete, t\u00e4glich zwei zus\u00e4tzliche vollst\u00e4ndige Builds durchzuf\u00fchren. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/de\/server\/dts-newyork\/\"   title=\"Server\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"2793\">Server<\/a>  zwei zus\u00e4tzliche vollst\u00e4ndige Builds.          <center><img decoding=\"async\" alt=\"Die Entwickler von Ubuntu haben die Effizienz der Aktivierung von PGO-Optimierung analysiert.\" src=\"\/wp-content\/uploads\/2024\/11\/ee020b83d640fc8700ec060c17425310.png\" style=\"display:block;margin: 0 auto;\" \/><\/center>      <center><img decoding=\"async\" alt=\"Die Entwickler von Ubuntu haben die Effizienz der Aktivierung von PGO-Optimierung analysiert.\" src=\"\/wp-content\/uploads\/2024\/11\/3b31e2e4f842121ee4d2de7ecb5d6cb7.png\" style=\"display:block;margin: 0 auto;\" \/><\/center>    <center><img decoding=\"async\" alt=\"Die Entwickler von Ubuntu haben die Effizienz der Aktivierung von PGO-Optimierung analysiert.\" src=\"\/wp-content\/uploads\/2024\/11\/9b1766e4e88a62bf4759c69ecdd79dc7.png\" style=\"display:block;margin: 0 auto;\" \/><\/center>      <center><img decoding=\"async\" alt=\"Die Entwickler von Ubuntu haben die Effizienz der Aktivierung von PGO-Optimierung analysiert.\" src=\"\/wp-content\/uploads\/2024\/11\/b2ba25a890b82a6d448d5542b19e8758.png\" style=\"display:block;margin: 0 auto;\" \/><\/center><br \/>\n<br \/>Quelle: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=62262\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Canonical \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b\u0430 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442 \u043e\u0446\u0435\u043d\u043a\u0438 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u0438 \u043f\u0440\u0438 \u043f\u0435\u0440\u0435\u0441\u0431\u043e\u0440\u043a\u0435 \u043f\u0430\u043a\u0435\u0442\u043e\u0432 \u0441 \u0432\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u0435\u043c \u043e\u043f\u0442\u0438\u043c\u0438\u0437\u0430\u0446\u0438\u0438 \u043d\u0430 \u043e\u0441\u043d\u043e\u0432\u0435 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u043e\u0432 \u043f\u0440\u043e\u0444\u0438\u043b\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u043a\u043e\u0434\u0430 (PGO &#8212; Profile-guided optimization), \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0435\u0439 \u0433\u0435\u043d\u0435\u0440\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u0431\u043e\u043b\u0435\u0435 \u043e\u043f\u0442\u0438\u043c\u0430\u043b\u044c\u043d\u044b\u0439 \u043a\u043e\u0434 \u043d\u0430 \u043e\u0441\u043d\u043e\u0432\u0435 \u0430\u043d\u0430\u043b\u0438\u0437\u0430 \u043e\u0441\u043e\u0431\u0435\u043d\u043d\u043e\u0441\u0442\u0435\u0439 \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u044b. \u0412 \u0445\u043e\u0434\u0435 \u043f\u0440\u043e\u0434\u0435\u043b\u0430\u043d\u043d\u043e\u0439 \u0440\u0430\u0431\u043e\u0442\u044b \u0431\u044b\u043b \u0441\u0434\u0435\u043b\u0430\u043d \u0432\u044b\u0432\u043e\u0434, \u0447\u0442\u043e \u0432\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u0435 PGO-\u043e\u043f\u0442\u0438\u043c\u0438\u0437\u0430\u0446\u0438\u0438 \u043f\u043e\u0437\u0432\u043e\u043b\u0438\u043b\u043e \u043d\u0430 5-7% \u0441\u043d\u0438\u0437\u0438\u0442\u044c \u043d\u0430\u0433\u0440\u0443\u0437\u043a\u0443 \u043d\u0430 CPU \u0438 \u0443\u0441\u043a\u043e\u0440\u0438\u0442\u044c \u0432\u0440\u0435\u043c\u044f \u0441\u0431\u043e\u0440\u043a\u0438. \u0412 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":120610,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-120609","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-novosti-interneta"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - 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Profile-guided optimization) ver\u00f6ffentlicht, die eine bessere Code-Generierung durch die Analyse der Programmausf\u00fchrung erm\u00f6glicht. Aus der durchgef\u00fchrten Arbeit ergab sich, dass die Aktivierung der PGO-Optimierung die CPU-Auslastung um 5-7% senken und die Build-Zeit beschleunigen konnte. 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