Cikin zuciyar Linux 6.0, wanda ake sa ran za a fitar da shi ranar Litinin mai zuwa, ya haɗa da wani sauyi da ke magance matsalolin aiki tare da na'urori masu sarrafawa na AMD Zen. Tushen raguwar aiki an ƙara lambar ne shekaru 20 da suka gabata don magance matsalar hardware a wasu chipsets. An daɗe ana gyara matsalar hardware kuma ba ta bayyana a cikin chipsets na yanzu ba, amma an yi watsi da tsohon mafita kuma ya zama tushen lalacewar aiki akan tsarin da ya dogara da CPUs na AMD na zamani. Sabbin tsarin da ke da CPUs na Intel ba su da tasiri ta hanyar tsohon mafita, yayin da suke samun damar ACPI ta amfani da direban intel_idle daban, ba direban processor_idle da aka raba ba.
An ƙara wani aiki a cikin kwaya a cikin Maris 2002 don toshe bayyanar kwaro a cikin kwakwalwan kwamfuta da ke da alaƙa da rashin saita yanayin rashin aiki yadda yakamata saboda jinkirin sarrafa siginar STPCLK#. Don yin aiki a kusa da matsalar, aiwatar da ACPI ya ƙara ƙarin umarnin WAIT, wanda ke rage jinkirin mai sarrafawa ta yadda chipset ya sami lokacin shiga cikin rashin aiki. Lokacin da aka yi amfani da bayanin IBS (Sampling-Based Sampling) umarni akan na'urori na AMD Zen3, an gano cewa mai sarrafa na'ura yana ciyar da lokaci mai yawa don aiwatar da stubs, wanda ke haifar da fassarar kuskuren yanayin yanayin mai sarrafawa da saita yanayin bacci mai zurfi (C- Jiha) ta hanyar CPUidle.
Ana nuna wannan ɗabi'a a cikin rage yawan aiki a ƙarƙashin nauyin aiki wanda akai-akai tsakanin jahohi marasa aiki da masu aiki. Misali, lokacin amfani da facin da ke hana hanyar wucewa, matsakaicin gwajin tbench yana ƙaruwa daga 32191 MB/s zuwa 33805 MB/s.
source: budenet.ru
