{"id":123923,"date":"2025-05-03T03:05:06","date_gmt":"2025-05-03T01:05:07","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/intel-otkryl-iaprof-instrumentarij-dlya-profilirovaniya-proizvoditelnosti-gpu"},"modified":"2025-05-03T03:05:06","modified_gmt":"2025-05-03T01:05:07","slug":"intel-otkryl-iaprof-instrumentarij-dlya-profilirovaniya-proizvoditelnosti-gpu","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sk\/blog\/news\/intel-otkryl-iaprof-instrumentarij-dlya-profilirovaniya-proizvoditelnosti-gpu","title":{"rendered":"Intel predstavil iaprof, n\u00e1stroj na profilovanie v\u00fdkonnosti GPU","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Brendan Gregg, jeden z v\u00fdvoj\u00e1rov syst\u00e9mu dynamick\u00e9ho ladenia DTrace, ktor\u00fd moment\u00e1lne pracuje v spolo\u010dnosti Intel a vyv\u00edja n\u00e1stroje na anal\u00fdzu v\u00fdkonu na b\u00e1ze eBPF v jadre Linux, ozn\u00e1mil otvorenie zdrojov\u00e9ho k\u00f3du n\u00e1stroja iaprof (AI Flame Graphs). N\u00e1stroj je ur\u010den\u00fd na anal\u00fdzu v\u00fdkonov\u00fdch \u00fadajov GPU Intel a ich vizualiz\u00e1ciu. K\u00f3d je nap\u00edsan\u00fd v jazyku C a je spr\u00edstupnen\u00fd pod licenciou Apache 2.0. <\/p>\n

Podporovan\u00e9 hardv\u00e9rov\u00e9 platformy zah\u0155\u0148aj\u00fa grafick\u00e9 karty Intel Arc zalo\u017een\u00e9 na mikroarchitekt\u00fare Battlemage (s\u00e9ria \u201eB\u201c), GPU pre d\u00e1tov\u00e9 centr\u00e1 s\u00e9rie \u201eMax\u201c a r\u00f4zne grafick\u00e9 karty Intel Xe2, vr\u00e1tane iGPU Lunar Lake. Syst\u00e9m vy\u017eaduje jadro Linux s nov\u00fdmi ovl\u00e1da\u010dmi pre GPU Intel (pre Intel Battlemage je potrebn\u00e9 jadro 6.15 a ovl\u00e1da\u010d Xe, zatia\u013e \u010do pre Intel Max Series sta\u010d\u00ed jadro 5.15 a ovl\u00e1da\u010d i915). Jadro Linux mus\u00ed by\u0165 zostaven\u00e9 so \u0161pecifick\u00fdmi pre ovl\u00e1da\u010de Intel rozhran\u00edm EU Stall a EU Debug. <\/p>\n

Zozbieran\u00e9 profily odr\u00e1\u017eaj\u00fa oneskorenia v \u010dinnosti vykon\u00e1vac\u00edch blokov (Execution Unit), stav CPU a inform\u00e1cie o jadr\u00e1ch GPU. Zozbieran\u00e9 \u00fadaje umo\u017e\u0148uj\u00fa prepoji\u0165 metriky v\u00fdkonu GPU s k\u00f3dom vykon\u00e1van\u00fdm na CPU. V praxi je n\u00e1stroj pohodln\u00e9 pou\u017e\u00edva\u0165 na anal\u00fdzu v\u00fdkonu po\u010d\u00edta\u010dov\u00fdch hier a aplik\u00e1ci\u00ed AI, ktor\u00e9 akt\u00edvne vyu\u017e\u00edvaj\u00fa GPU, a to porovn\u00e1van\u00edm za\u0165a\u017eenia GPU s vykon\u00e1van\u00edm komponentov jadra OS, runtime kni\u017en\u00edc a AI r\u00e1mcov na CPU. <\/p>\n

V\u00fdsledky profilovania m\u00f4\u017eu by\u0165 ulo\u017een\u00e9 vo form\u00e1te SVG pre interakt\u00edvnu anal\u00fdzu v prehliada\u010di (pr\u00edklad), pomocou farebn\u00fdch grafov \u201eFlameGraph\u201c a m\u00e1p \u201eFlameScope\u201c so zv\u00fdraznen\u00edm probl\u00e9mov\u00fdch miest. Grafy s\u00fa interakt\u00edvne a umo\u017e\u0148uj\u00fa zv\u00e4\u010d\u0161i\u0165 detailnos\u0165 a\u017e po z\u00e1sobn\u00edkov\u00e9 sn\u00edmky a vykon\u00e1van\u00e9 pokyny GPU, prezera\u0165 podrobnosti a vykon\u00e1va\u0165 vyh\u013ead\u00e1vacie oper\u00e1cie.

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

\u0411\u0440\u0435\u043d\u0434\u0430\u043d \u0413\u0440\u0435\u0433 (Brendan Gregg), \u043e\u0434\u0438\u043d \u0438\u0437 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u043e\u0432 \u0441\u0438\u0441\u0442\u0435\u043c\u044b \u0434\u0438\u043d\u0430\u043c\u0438\u0447\u0435\u0441\u043a\u043e\u0439 \u043e\u0442\u043b\u0430\u0434\u043a\u0438 DTrace, \u043d\u044b\u043d\u0435 \u0440\u0430\u0431\u043e\u0442\u0430\u044e\u0449\u0438\u0439 \u0432 Intel \u0438 \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u044e\u0449\u0438\u0439 \u0441\u0440\u0435\u0434\u0441\u0442\u0432\u0430 \u0434\u043b\u044f \u0430\u043d\u0430\u043b\u0438\u0437\u0430 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u0438 \u043d\u0430 \u0431\u0430\u0437\u0435 eBPF \u0432 \u044f\u0434\u0440\u0435 Linux, \u043e\u0431\u044a\u044f\u0432\u0438\u043b \u043e\u0431 \u043e\u0442\u043a\u0440\u044b\u0442\u0438\u0438 \u0438\u0441\u0445\u043e\u0434\u043d\u043e\u0433\u043e \u043a\u043e\u0434\u0430 \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u044f iaprof (AI Flame Graphs). \u0418\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u0439 \u043f\u0440\u0435\u0434\u043d\u0430\u0437\u043d\u0430\u0447\u0435\u043d \u0434\u043b\u044f \u0430\u043d\u0430\u043b\u0438\u0437\u0430 \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u0438 \u043e \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u0438 GPU Intel \u0438 \u0435\u0451 \u043d\u0430\u0433\u043b\u044f\u0434\u043d\u043e\u0439 \u0432\u0438\u0437\u0443\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438. \u041a\u043e\u0434 \u043d\u0430\u043f\u0438\u0441\u0430\u043d \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 \u0421\u0438 […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":123924,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-123923","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\udd47Intel otvoril iaprof, n\u00e1stroj na profilovanie v\u00fdkonu GPU | ProHoster","description":"Brendan Gregg, jeden z v\u00fdvoj\u00e1rov syst\u00e9mu dynamick\u00e9ho ladenia DTrace, ktor\u00fd moment\u00e1lne pracuje v spolo\u010dnosti Intel a vyv\u00edja n\u00e1stroje na anal\u00fdzu v\u00fdkonu na b\u00e1ze eBPF v jadre Linux, ozn\u00e1mil 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