4 ms·

virtualization doesn't emulate a CPU; instructions typically run natively. IO is trapped and handled exceptionally.

• kazinator 3y ago
  Hardware virtualization can still emulate peripherals. If your virtual machine thinks it has an ethernet card that doesn't actually exist, it may be nice and fast for CPU operations, but networking will take a hit.
• ChatGTP 3y ago
  They're talking about an "emulated CPU"...