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12-23-2012, 02:32 PM #21
Don't believe me, here's my linkedin profile.
Feidhlim O'Leary - Ireland | LinkedIn
Even with bare-metal hypervisors there is a performance hit with running a VM versus natively. The hit is quite small using a hypervisor like ESXi or Hyper-V but it's there. Hardware Layer -> Virtualization Layer -> VM
With hosted VMs running in VMware Fusion, Parallels Desktop, VMware Workstation etc, you are running a full OS on top of the Virtualization Application, on top of a full OS. There is a quite a large overhead. Hardware -> OS Layer -> Virtualization Layer -> VM
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