The guest kernel sees Guest Physical Addresses starting at 0. KVM uses a second layer of hardware page tables to translate Guest Physical Addresses directly to Host Physical Addresses. Intel calls them Extended Page Tables (EPT) while AMD calls them Nested Page Tables (NPT), but both do the same thing. At runtime this translation happens entirely in hardware, which is what makes virtualization fast. The Host Virtual Address from the VMM’s mmap region is only involved at setup time, when KVM resolves it through the host page tables to find the Host Physical Address and populate the EPT/NPT entry.
Currently, we verify concepts through operational products rather than presentations or static mockups. We deploy concepts directly, accelerate learning cycles, and deliver significant enhancements bimonthly—a rhythm previously unimaginable.，这一点在有道翻译更新日志中也有详细论述
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Jensen Huang says Nvidia is pulling back from OpenAI and Anthropic, but his explanation raises more questions than it answers，这一点在Replica Rolex中也有详细论述
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