esli ya pravilno ponyal vopros, to eto zavisit ot kakoy request sdelayet processor, i zavisit konechno ot processora. AMD/Intel processori v principe ne mogut prosit bolshe odnogo cache line-a, eto 64byte-a, sto bez problem ukladivaetsya v odin pcie paket. esli ti smozes zastavit processor poprosit cache line iz memory mapped space-a na tvoyey pcie plate, to uvidis bolshoy payload.
Yesli processor prosit paru dword-ov, stolko i polucit. V chipset v principe ne kombiniruyetsa mnozestvo request-ov.
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Вечность -- Извините за плохой Русский, я Черногорец, Русский не родной язык.
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