{"id":22728,"date":"2016-02-29T22:54:52","date_gmt":"2016-02-29T21:54:52","guid":{"rendered":"http:\/\/www.planet3dnow.de\/cms\/?p=22728"},"modified":"2016-03-01T10:30:08","modified_gmt":"2016-03-01T09:30:08","slug":"zen-mit-l0-cache-und-%c2%b5op-puffer","status":"publish","type":"post","link":"https:\/\/www.planet3dnow.de\/cms\/22728-zen-mit-l0-cache-und-%c2%b5op-puffer\/","title":{"rendered":"Zen mit L0-Cache und \u00b5Op-Puffer"},"content":{"rendered":"<p>Von aus\u00adnahms\u00adwei\u00adse belast\u00adba\u00adren Infor\u00adma\u00adtio\u00adnen zu Zen wei\u00df Mat\u00adthi\u00adas Wald\u00adhau\u00ader auf sei\u00adnem Blog zu berich\u00adten. Mit\u00adte Febru\u00adar tauch\u00adten wie\u00adder eini\u00adge neue Code\u00adseg\u00admen\u00adte von AMD-Pro\u00adgram\u00admie\u00adrern in Open-Sourcen-Pro\u00adjek\u00adten&nbsp;auf.<\/p>\n<p>Dem\u00adnach gibt es bei Zen sowohl einen \u00b5Op-Cache (L0-Cache) als auch einen \u00b5Op-Puf\u00adfer. Letz\u00adte\u00adrer ist ein eher klei\u00adner Befehls\u00adpuf\u00adfer, der die Aus\u00adf\u00fch\u00adrung von Schlei\u00adfen beschleu\u00adnigt, ers\u00adte\u00adrer ver\u00admut\u00adlich wie bei Intel ein klei\u00adner Cache zum Zwi\u00adschen\u00adspei\u00adchern von ca. 1000 deko\u00addier\u00adten Befeh\u00adlen. In ers\u00adter Linie ist dies eine Ener\u00adgie\u00adspar\u00adma\u00df\u00adnah\u00adme, schlie\u00df\u00adlich ist die Deko\u00addie\u00adrung des immer glei\u00adchen Befehls nicht gra\u00adtis. Aller\u00addings pro\u00adfi\u00adtiert auch die Kern\u00adleis\u00adtung davon, da die maxi\u00adma\u00adle Befehls\u00adan\u00adzahl, die der Cache pro Takt an die Aus\u00adf\u00fch\u00adrungs\u00adein\u00adhei\u00adten lie\u00adfert, gr\u00f6\u00ad\u00dfer ist als die maxi\u00adma\u00adle Anzahl, die der Deco\u00adder bereit\u00adstel\u00adlen&nbsp;kann.<\/p>\n<p>Erst bei Sky\u00adla\u00adke ver\u00adbrei\u00adter\u00adte Intel die\u00adses Inter\u00adface. Kern\u00adfe\u00adti\u00adschis\u00adten k\u00f6n\u00adnen jetzt die wahr\u00adschein\u00adli\u00adche Brei\u00adte und die Anbin\u00addung an ALUs und <span class=\"caps\">FPU<\/span> dis\u00adku\u00adtie\u00adren, nor\u00adma\u00adle AMD-Fans m\u00fcs\u00adsen dar\u00adauf hof\u00adfen, dass kei\u00adne Bugs auf\u00adtre\u00adten und die Tech\u00adni\u00adken \u00e4hn\u00adlich gut wie bei Intel ihren Dienst ver\u00adrich\u00adten werden.<\/p>\n<p>Quel\u00adle: <em><a href=\"http:\/\/dresdenboy.blogspot.com\/2016\/02\/new-amd-zen-core-details-emerged.html\">The New Cita\u00advia Blog: New <span class=\"caps\">AMD<\/span> Zen core details emerged<\/a><\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Von aus\u00adnahms\u00adwei\u00adse belast\u00adba\u00adren Infor\u00adma\u00adtio\u00adnen zu Zen wei\u00df Mat\u00adthi\u00adas Wald\u00adhau\u00ader auf sei\u00adnem Blog zu berich\u00adten. Mit\u00adte Febru\u00adar tauch\u00adten wie\u00adder eini\u00adge neue Code\u00adseg\u00admen\u00adte von AMD-Pro\u00adgram\u00admie\u00adrern in Open-Sourcen-Pro\u00adjek\u00adten auf. (\u2026) <a class=\"moretag\" href=\"https:\/\/www.planet3dnow.de\/cms\/22728-zen-mit-l0-cache-und-%c2%b5op-puffer\/\">Wei\u00adter\u00adle\u00adsen&nbsp;\u00bb<\/a><\/p>\n","protected":false},"author":5,"featured_media":80,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"wp_typography_post_enhancements_disabled":false,"ngg_post_thumbnail":0,"footnotes":""},"categories":[12],"tags":[966,656],"class_list":["post-22728","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-aktuelles","tag-amd","tag-zen","entry"],"share_on_mastodon":{"url":"","error":""},"_links":{"self":[{"href":"https:\/\/www.planet3dnow.de\/cms\/wp-json\/wp\/v2\/posts\/22728","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\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/www.planet3dnow.de\/cms\/wp-json\/wp\/v2\/comments?post=22728"}],"version-history":[{"count":6,"href":"https:\/\/www.planet3dnow.de\/cms\/wp-json\/wp\/v2\/posts\/22728\/revisions"}],"predecessor-version":[{"id":22738,"href":"https:\/\/www.planet3dnow.de\/cms\/wp-json\/wp\/v2\/posts\/22728\/revisions\/22738"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.planet3dnow.de\/cms\/wp-json\/wp\/v2\/media\/80"}],"wp:attachment":[{"href":"https:\/\/www.planet3dnow.de\/cms\/wp-json\/wp\/v2\/media?parent=22728"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.planet3dnow.de\/cms\/wp-json\/wp\/v2\/categories?post=22728"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.planet3dnow.de\/cms\/wp-json\/wp\/v2\/tags?post=22728"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}