{"id":40510,"date":"2018-09-26T13:53:11","date_gmt":"2018-09-26T11:53:11","guid":{"rendered":"https:\/\/www.planet3dnow.de\/cms\/?p=40510"},"modified":"2018-09-26T14:17:34","modified_gmt":"2018-09-26T12:17:34","slug":"linux-kernel-patches-geben-hinweise-auf-qos-funktionen-fuer-amds-zen-2-rome","status":"publish","type":"post","link":"https:\/\/www.planet3dnow.de\/cms\/40510-linux-kernel-patches-geben-hinweise-auf-qos-funktionen-fuer-amds-zen-2-rome\/","title":{"rendered":"Linux Kernel Patches geben Hinweise auf QoS-Funktionen f\u00fcr AMDs Zen 2 (\u201cRome\u201d)"},"content":{"rendered":"

Nach einem Bericht von Pho\u00adro\u00adnix <\/a> geben Linux Ker\u00adnel Patches von AMD<\/span> Hin\u00adwei\u00adse auf Qua\u00adli\u00adty-of-Ser\u00advice Funk\u00adtio\u00adnen oder Tech\u00adno\u00adlo\u00adgien in den kom\u00admen\u00adden Zen 2 Ser\u00adver\u00adpro\u00adzes\u00adso\u00adren, die beson\u00adders auf das L3-Cache-Manage\u00adment aus\u00adge\u00adrich\u00adtet sind. <\/p>\n

Ver\u00adwie\u00adsen wird auch auf einen Ein\u00adtrag in der Linux-Ker\u00adnel Mai\u00adling List<\/a> der die fol\u00adgen\u00adden QoS-Fea\u00adtures f\u00fcr die n\u00e4chs\u00adte Pro\u00adzes\u00adsor\u00adge\u00adne\u00adra\u00adti\u00adon von AMD<\/span> auflistet:<\/p>\n

AMD<\/span>\u2019s next gene\u00adra\u00adti\u00adon of pro\u00adces\u00adsors sup\u00adport fol\u00adlo\u00adwing QoS sub-features.
\n\u2014 L3<\/span> Cache allo\u00adca\u00adti\u00adon enforcement
\n\u2014 L3<\/span> Cache occu\u00adp\u00adan\u00adcy monitoring
\n\u2014 L3<\/span> Code-Data Prio\u00adri\u00adtiza\u00adti\u00adon support
\n\u2014 Memo\u00adry Band\u00adwidth Enforcement(Allocation)<\/p><\/blockquote>\n

Wie Pho\u00adro\u00adnix zu Recht her\u00advor\u00adhebt, erin\u00adnert dies an Intels RDT<\/span> (Resour\u00adce Direc\u00adtor Tech\u00adno\u00adlo\u00adgy) zu der die Cache-Moni\u00adto\u00adring-Tech\u00adnik (CMT<\/span>), die Cache-Allo\u00adca\u00adti\u00adon-Tech\u00adnik (CAT<\/span>), das Memo\u00adry Band\u00adwidth Moni\u00adto\u00adring (MBM<\/span>) und die Code- und Data-Prio\u00adri\u00adtiza\u00adti\u00adon-Tech\u00adnik (CDP<\/span>) geh\u00f6\u00adren und die gemein\u00adhin als Intel Platt\u00adform QoS Tech\u00adno\u00adlo\u00adgien bezeich\u00adnet wer\u00adden. Die\u00adse sind vor allem f\u00fcr Rechen\u00adzen\u00adtren in Ver\u00adbin\u00addung mit vir\u00adtu\u00adel\u00adlen Maschi\u00adnen inter\u00ades\u00adsant, da sie ein Hard\u00adware-Frame\u00adwork f\u00fcr die \u00dcber\u00adwa\u00adchung und Kon\u00adtrol\u00adle gemein\u00adsam genutz\u00adter Rechen\u00adzen\u00adtrums\u00adres\u00adsour\u00adcen bie\u00adten. (Intel\u00ae Resour\u00adce-Direc\u00adtor-Tech\u00adnik<\/a>)<\/p>\n

Die Cache-Allo\u00adca\u00adti\u00adon-Tech\u00adnik (CAT<\/span>) sorgt f\u00fcr eine bes\u00adse\u00adre Kon\u00adtrol\u00adle und Steue\u00adrung, indem sie daf\u00fcr sorgt, dass wich\u00adti\u00adge VMs, Con\u00adtai\u00adner oder Anwen\u00addun\u00adgen des Rechen\u00adzen\u00adtrums durch soft\u00adware\u00adge\u00adsteu\u00ader\u00adte Umver\u00adtei\u00adlung der Last-Level-Cache-Kapa\u00adzi\u00adt\u00e4t die ent\u00adspre\u00adchen\u00adde Prio\u00adri\u00adt\u00e4t erhalten. <\/p><\/blockquote>\n

Am Bei\u00adspiel der Cache-Allo\u00adca\u00adti\u00adon-Tech\u00adnik (CAT<\/span>) hat Intel auf dem Intel Deve\u00adlo\u00adper Zone RTD<\/span> Meet\u00adup 2017<\/a> anhand von Fall\u00adstu\u00addi\u00aden gezeigt, dass die\u00adse Tech\u00adnik unter ande\u00adrem zu deut\u00adlich gerin\u00adge\u00adren Ant\u00adwort\u00adzei\u00adten bei ver\u00adschie\u00adde\u00adnen gleich\u00adzei\u00adtig auf einem Ser\u00adver genutz\u00adten Appli\u00adka\u00adtio\u00adnen f\u00fch\u00adren kann. 
\n <\/p>\n

<\/a><\/p>\n

AMDs Zen 2 Ser\u00adver\u00adpro\u00adzes\u00adso\u00adren der n\u00e4chs\u00adten Gene\u00adra\u00adti\u00adon mit dem Code\u00adna\u00admen \u201cRome\u201d , die in 7nm-Tech\u00adnik bei TSMC<\/span> gefer\u00adtigt wer\u00adden, sind nach aktu\u00adel\u00adlen Aus\u00adsa\u00adgen von AMD<\/span> bereits in der Vali\u00addie\u00adrung bei Part\u00adnern und sol\u00adlen Anfang 2019 auf den Markt kommen<\/p>\n

 <\/p>\n

<\/a><\/p>\n

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 <\/p>\n","protected":false},"excerpt":{"rendered":"

Nach einem Bericht von Pho\u00adro\u00adnix <\/a> geben Linux Ker\u00adnel Patches von AMD<\/span> Hin\u00adwei\u00adse auf Qua\u00adli\u00adty-of-Ser\u00advice Funk\u00adtio\u00adnen oder Tech\u00adno\u00adlo\u00adgien in den kom\u00admen\u00adden Zen 2 Ser\u00adver\u00adpro\u00adzes\u00adso\u00adren, die beson\u00adders auf das L3-Cache-Manage\u00adment aus\u00adge\u00adrich\u00adtet sind.  (\u2026) Wei\u00adter\u00adle\u00adsen \u00bb<\/a><\/p>\n","protected":false},"author":593,"featured_media":32569,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"wp_typography_post_enhancements_disabled":false,"ngg_post_thumbnail":0,"footnotes":""},"categories":[11],"tags":[966,1568,1569,1373,1308],"class_list":["post-40510","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","tag-amd","tag-epyc-2","tag-linux-kernel","tag-rome","tag-zen-2","entry"],"share_on_mastodon":{"url":"","error":""},"_links":{"self":[{"href":"https:\/\/www.planet3dnow.de\/cms\/wp-json\/wp\/v2\/posts\/40510","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.planet3dnow.de\/cms\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.planet3dnow.de\/cms\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.planet3dnow.de\/cms\/wp-json\/wp\/v2\/users\/593"}],"replies":[{"embeddable":true,"href":"https:\/\/www.planet3dnow.de\/cms\/wp-json\/wp\/v2\/comments?post=40510"}],"version-history":[{"count":4,"href":"https:\/\/www.planet3dnow.de\/cms\/wp-json\/wp\/v2\/posts\/40510\/revisions"}],"predecessor-version":[{"id":40515,"href":"https:\/\/www.planet3dnow.de\/cms\/wp-json\/wp\/v2\/posts\/40510\/revisions\/40515"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.planet3dnow.de\/cms\/wp-json\/wp\/v2\/media\/32569"}],"wp:attachment":[{"href":"https:\/\/www.planet3dnow.de\/cms\/wp-json\/wp\/v2\/media?parent=40510"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.planet3dnow.de\/cms\/wp-json\/wp\/v2\/categories?post=40510"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.planet3dnow.de\/cms\/wp-json\/wp\/v2\/tags?post=40510"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}