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3.3.3. Option: CPU Topology
Use this option to apply a particular CPU topology (Sockets, Cores, Threads) to the virtual CPUs for your guest virtual machine. Refer to the following diagram which shows an example of this option:
![CPU Topology Options](https://access.redhat.com/webassets/avalon/d/Red_Hat_Enterprise_Linux-6-Virtualization_Tuning_and_Optimization_Guide-en-US/images/cfe728e1405b3e81d37f77681c59bbf0/virt-manager-cpu-perf-options-cpu-topology.png)
Figure 3.6. CPU Topology Options
Note
Although your environment may dictate other requirements, selecting any desired number of sockets, but with only a single core and a single thread usually gives the best performance results.