{"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\/sk\/blog\/news\/razrabotchiki-ubuntu-proanalizirovali-effektivnost-vklyucheniya-pgo-optimizaczii","title":{"rendered":"V\u00fdvoj\u00e1ri Ubuntu analyzovali efekt\u00edvnos\u0165 zap\u00ednania PGO optimaliz\u00e1cie","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Spolo\u010dnos\u0165 Canonical zverejnila v\u00fdsledky hodnotenia zmien vo v\u00fdkonnosti pri prekompil\u00e1cii bal\u00edkov s zaveden\u00edm optimaliz\u00e1cie na z\u00e1klade v\u00fdsledkov profilovania k\u00f3du (PGO \u2014 optimaliz\u00e1cia riaden\u00e1 profilom), \u010do umo\u017e\u0148uje generova\u0165 optim\u00e1lnej\u0161\u00ed k\u00f3d na z\u00e1klade anal\u00fdzy \u0161pecif\u00edk vykon\u00e1vania programu. Po vykonanej pr\u00e1ci bolo zisten\u00e9, \u017ee zavedenie optimaliz\u00e1cie PGO umo\u017enilo zn\u00ed\u017ei\u0165 za\u0165a\u017eenie CPU o 5-7% a zr\u00fdchli\u0165 \u010das kompil\u00e1cie. <\/p>\n

Po\u010das uskuto\u010dnen\u00e9ho experimentu bola zmeran\u00e1 produktivita prebudovania bal\u00edkov OpenSSL, GDB, Emacs a Python3.12 vo virtu\u00e1lnom prostred\u00ed QEMU, emuluj\u00facom syst\u00e9m RISC-V na po\u010d\u00edta\u010di s architekt\u00farou x86_64. Rozdiel v produktivite bol hodnoten\u00fd pre QEMU, zostaven\u00fd s predvo\u013ebami a so zapnutou PGO optimaliz\u00e1ciou. Testovan\u00e9 bal\u00edky na prebudovanie boli vybran\u00e9 s oh\u013eadom na to, \u017ee pou\u017e\u00edvaj\u00fa r\u00f4zne programovacie jazyky a objem k\u00f3du zodpoved\u00e1 1-6 hodin\u00e1m prebudovania v emul\u00e1tore. <\/p>\n

Z praktick\u00e9ho h\u013eadiska experiment umo\u017enil dosiahnu\u0165 zv\u00fd\u0161enie produktivity prebudovac\u00edch prostred\u00ed pre platformu RISC-V, sp\u00fa\u0161\u0165an\u00fdch pomocou emul\u00e1tora. Prebudovacie pr\u00e1ce, ktor\u00e9 sa predt\u00fdm vykon\u00e1vali do jedn\u00e9ho d\u0148a, pri zapojen\u00ed PGO optimaliz\u00e1cie sa za\u010dali vykon\u00e1va\u0165 takmer o dve hodiny r\u00fdchlej\u0161ie, \u010do umo\u017enilo denne realizova\u0165 na tom istom serveri<\/a> dve \u010fal\u0161ie \u00fapln\u00e9 prebudovania.

\"V\u00fdvoj\u00e1ri<\/center>
\"V\u00fdvoj\u00e1ri<\/center>
\"V\u00fdvoj\u00e1ri<\/center>
\"V\u00fdvoj\u00e1ri<\/center>
\n
Zdroj: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\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 — 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 […]<\/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-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\udd47V\u00fdvoj\u00e1ri Ubuntu analyzovali efekt\u00edvnos\u0165 zap\u00ednania PGO optimaliz\u00e1cie | ProHoster","description":"Spolo\u010dnos\u0165 Canonical zverejnila v\u00fdsledok hodnotenia zmeny v\u00fdkonu pri prebudovan\u00ed bal\u00edkov so zapnutou optimaliz\u00e1ciou na z\u00e1klade profilovania k\u00f3du (PGO - Profile-guided optimization), ktor\u00e1 umo\u017e\u0148uje.","canonical_url":"https:\/\/prohoster.info\/sk\/blog\/news\/razrabotchiki-ubuntu-proanalizirovali-effektivnost-vklyucheniya-pgo-optimizaczii","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"sk_SK","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\u0420\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0438 Ubuntu \u043f\u0440\u043e\u0430\u043d\u0430\u043b\u0438\u0437\u0438\u0440\u043e\u0432\u0430\u043b\u0438 \u044d\u0444\u0444\u0435\u043a\u0442\u0438\u0432\u043d\u043e\u0441\u0442\u044c \u0432\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u044f PGO-\u043e\u043f\u0442\u0438\u043c\u0438\u0437\u0430\u0446\u0438\u0438 | ProHoster","og:description":"\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 - 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