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Is the use of 32 bit PCI addressing a performance limitation in this system? Does using 64 bit PCI addressing increase performance?

April 26, 2017ADDRESSING bit increase limitation PCI PERFORMANCE system

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Is the use of 32 bit PCI addressing a performance limitation in this system? Does using 64 bit PCI addressing increase performance?

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32-bit addressing is not a limitation. 64-bit addressing does not increase performance (its only use is to bypass the IOMMU, so it should only be used by devices that provide their own IOMMU or equivalent).