Subject

    Computer Science

    Topic

    Computer Hardware

    Which PCIe feature allows the CPU to map larger portions of GPU VRAM into its address space?

    ক)
    Resizable BAR
    খ)
    Hot-plug
    গ)
    MSI-X only
    ঘ)
    SR-IOV

    Explanation

    Resizable Base Address Registers let the system expose larger VRAM windows to the CPU. That can reduce paging overhead for certain workloads. It requires platform, firmware, and driver support. SR-IOV virtualizes devices for multiple VMs, a different feature.

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