Quad core with hyperthreading - how many cores to assign to VMs?

Tipika

New Member
Jul 22, 2009
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I am wondering, i have a core i7 with 4 cores and hyperthreading, so the system sees that there are 2x4 cpu

I made some experiments, and I saw that running a VM with 2 cpu with 4 cores it's 10 times more expensive than a single cpu with 8 cores.

The cpu has 4 cores + 4 virtual cores, in your opinion, how many cores should I assign? 1 cpu with 4 cores or 1 cpu with 8 cores?