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Input–output memory management unit

In computing, an input–output memory management unit (IOMMU) is a memory management unit (MMU) connecting a direct-memory-access–capable (DMA-capable) I/O bus to the main memory. Like a traditional MMU, which translates CPU-visible virtual addresses to physical addresses, the IOMMU maps device-visible virtual addresses (also called device addresses or…

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Input–output memory management unit

Nodes47
Edges46
Triples1
Avg. degree1.96
Density0.042553
Components1

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memory iommu address virtualization system addresses device virtual dma hardware devices use operating physical used also access translation architecture guest

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SubjectPredicateObjectConfidenceSrc
graphics cards use DMA to access memory directlyinstance ofHigher performance hardware0.80text

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