{"id":121915,"date":"2025-02-13T20:22:13","date_gmt":"2025-02-13T18:22:13","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/obsuzhdenie-uvelicheniya-chastoty-tajmera-v-yadre-linux-do-1000hz-po-umolchaniyu"},"modified":"2025-02-13T20:22:13","modified_gmt":"2025-02-13T18:22:13","slug":"obsuzhdenie-uvelicheniya-chastoty-tajmera-v-yadre-linux-do-1000hz-po-umolchaniyu","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/novosti-interneta\/obsuzhdenie-uvelicheniya-chastoty-tajmera-v-yadre-linux-do-1000hz-po-umolchaniyu","title":{"rendered":"Diskussioon Linuxi tuumaja taimeri sageduse t\u00f5stmisest 1000Hz-ni vaikimisi","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Google'i insener pakkus, et Linuxi tuuma ajasturi katkestuste genereerimise sagedus tuleks vaikimisi t\u00f5sta 1000 Hz-ni, mis suurendaks \u00fclesannete vahetamise sagedust ja v\u00e4hendaks ajakvantide pikkust \u00fclesande ajakaval. Praegu on vaikimisi kasutusel 250 Hz, mis on kompromiss j\u00f5udluse, viivituste ja energiatarbimise vahel. <\/p>\n

120 Hz v\u00e4rskendussagedusega ekraanide kasutamisel, mis on t\u00fc\u00fcpilised kaasaegsetele arvutitele ja mobiilseadmetele, on 250 Hz ajasturi sageduse juures ajakvantimise t\u00e4psus umbes poole v\u00f5rra madalam kui kaadriaeg, mis v\u00e4hendab ressursside jaotamise efektiivsust ning ei v\u00f5imalda saavutada optimaalset j\u00f5udluse ja energiatarbimise suhet. Madalatel ajasturi sagedustel v\u00f5ib s\u00fcsteemide energiatarbimine olla k\u00f5rgem, kuna DVFS-i (D\u00fcnaamiline Pinge ja Sageduse Skaleerimine) mehhanism rakendab agressiivsemat sageduse valiku strateegiat, et mitte aeglustada \u00fclesannete t\u00e4itmist. <\/p>\n

Juhtub, et \u00fclesanne on juba l\u00f5pule viinud soovitud toimingud, mis n\u00f5udsid aktiivset arvutust, kuid protsessor j\u00e4tkab t\u00f6\u00f6tamist suurenenud sagedusel, kuna ajakvandi l\u00f5pp ei ole veel saabunud. \u00dclesannete vahetamise sageduse suurendamine v\u00f5ib v\u00e4hendada energiatarbimist, t\u00e4nu d\u00fcnaamilise sageduse juhtimise (DVFS) efektiivsemale toimimisele, t\u00e4psemale \u00fclesannete ajakava ja sagedasemate CPU koormusstatistika v\u00e4rskendustele ning \u00fclesannete ooteseisundi kestuse l\u00fchenemisele. <\/p>\n

Teise Googles t\u00f6\u00f6tav insener soovitas j\u00e4tta ajasturi sageduse samaks (250 Hz), kuna ajasturi katkemise genereerimise sageduse t\u00f5stmine v\u00f5ib p\u00f5hjustada suurema energiatarbimise madala v\u00f5imsusega seadmetes, nagu asjade interneti plaanid. Tema hinnangul 1000 Hz sageduse seadistamise korral on isegi Androidi seadmetes m\u00f5nes olukorras registreeritud protsessori energiatarbimise suurenemine 7%. Samuti esineb sageduse suurenemise korral CPU kiiremini \u00e4rkamisi, kuna 250 Hz juures seatud ajasturid intervallidega t + 1 ms, t + 2 ms, t + 3 ms ja t + 4 ms koondatakse \u00fcheks \u00e4rkamiseks, kuid 1000 Hz korral toimub neli erinevat \u00e4rkamist. <\/p>\n

Phoronix'i ressurs viis l\u00e4bi AMD Ryzen 9 9950X p\u00f5hiseadmete j\u00f5udluse v\u00f5rdluse. 1000Hz konfiguratsioon osutus Llama.cpp, nginx, SuperTuxKart, Selenium ja tuumakogu aegade m\u00f5\u00f5tmisel kiiremaks. Testides Darktable, PostgreSQL, Unvanquished, Xonotic, Blender, SVT-AV1, RawTherapee oli j\u00f5udlus suurem 250Hz seadistusega. 1000Hz juures oli keskmine energiatarve 144.2 W, minimaalne \u2014 0.18 W, maksimaalne \u2014 202.13 W, ja 250Hz juures: keskmine 144.37 W, minimaalne 0.07 W, maksimaalne \u2014 202 W.

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

\u0418\u043d\u0436\u0435\u043d\u0435\u0440 \u0438\u0437 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438 Google \u043f\u0440\u0435\u0434\u043b\u043e\u0436\u0438\u043b \u043f\u043e\u0432\u044b\u0441\u0438\u0442\u044c \u0447\u0430\u0441\u0442\u043e\u0442\u0443 \u0433\u0435\u043d\u0435\u0440\u0430\u0446\u0438\u0438 \u043f\u0440\u0435\u0440\u044b\u0432\u0430\u043d\u0438\u0439 \u043e\u0442 \u0442\u0430\u0439\u043c\u0435\u0440\u0430 \u0432 \u044f\u0434\u0440\u0435 Linux \u0434\u043e 1000Hz \u043f\u043e \u0443\u043c\u043e\u043b\u0447\u0430\u043d\u0438\u044e, \u0447\u0442\u043e \u043f\u0440\u0438\u0432\u0435\u0434\u0451\u0442 \u043a \u0443\u0432\u0435\u043b\u0438\u0447\u0435\u043d\u0438\u044e \u0447\u0430\u0441\u0442\u043e\u0442\u044b \u043f\u0435\u0440\u0435\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u044f \u0437\u0430\u0434\u0430\u0447 \u0438 \u0443\u043c\u0435\u043d\u044c\u0448\u0435\u043d\u0438\u044e \u043a\u0432\u0430\u043d\u0442\u0430 \u0432\u0440\u0435\u043c\u0435\u043d\u0438 \u0432 \u043f\u043b\u0430\u043d\u0438\u0440\u043e\u0432\u0449\u0438\u043a\u0435 \u0437\u0430\u0434\u0430\u0447. \u0412 \u0434\u0430\u043d\u043d\u044b\u0439 \u043c\u043e\u043c\u0435\u043d\u0442 \u043f\u043e \u0443\u043c\u043e\u043b\u0447\u0430\u043d\u0438\u044e \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f 250Hz, \u043a\u0430\u043a \u043d\u0435\u043a\u0438\u0439 \u043a\u043e\u043c\u043f\u0440\u043e\u043c\u0438\u0441\u0441 \u043c\u0435\u0436\u0434\u0443 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u044c\u044e, \u0437\u0430\u0434\u0435\u0440\u0436\u043a\u0430\u043c\u0438 \u0438 \u044d\u043d\u0435\u0440\u0433\u043e\u043f\u043e\u0442\u0440\u0435\u0431\u043b\u0435\u043d\u0438\u0435\u043c. \u041f\u0440\u0438 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0438 \u0434\u0438\u0441\u043f\u043b\u0435\u0435\u0432 \u0441 \u0447\u0430\u0441\u0442\u043e\u0442\u043e\u0439 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f 120Hz, \u0442\u0438\u043f\u0438\u0447\u043d\u044b\u0445 […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":121916,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-121915","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-novosti-interneta"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\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\n","aioseo_head_json":{"title":"\ud83e\udd47Arutelu Linuxi tuuma katkestusaja t\u00f5stmisest vaikimisi 1000 Hz peale | ProHoster","description":"Google'i insener pakkus, et Linuxi tuuma katkestusjahuti sagedust t\u00f5stetakse vaikimisi 1000 Hz peale, mis suurendaks \u00fclesannete vahetamise sagedust ja v\u00e4hendaks ajakvaotide pikkust \u00fclesande planeerimisel. Praegu kasutatakse vaikimisi 250 Hz, mis on teatud kompromiss j\u00f5udluse, latentsuse ja energiatarbe vahel. 120 Hz v\u00e4rskendussagedusega ekraanide kasutamisel on see t\u00fc\u00fcpiline.","canonical_url":"https:\/\/prohoster.info\/et\/blog\/novosti-interneta\/obsuzhdenie-uvelicheniya-chastoty-tajmera-v-yadre-linux-do-1000hz-po-umolchaniyu","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"et_EE","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\u041e\u0431\u0441\u0443\u0436\u0434\u0435\u043d\u0438\u0435 \u0443\u0432\u0435\u043b\u0438\u0447\u0435\u043d\u0438\u044f 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