This BIOS feature controls the functionality of the Intel Hyper-Threading Technology.
The Intel Hyper-Threading Technology allows a single processor to execute two or more separate threads concurrently. When it is enabled, multi-threaded software applications can execute their threads in parallel, thereby improving their performance.
Since it behaves like two separate processors with their own APICs, you should also enable APIC Function in the BIOS, which is required for multi-processing.
It is highly recommended that you enable CPU Hyper-Threading for improved processor performance.
The Intel Hyper-Threading Technology is an extension to the IA-32 architecture which allows a single processor to execute two or more separate threads concurrently. When it is enabled, multi-threaded software applications can execute their threads in parallel, thereby improving the processor’s performance.
The current implementation involves two logical processors sharing the processor’s execution engine and its bus interface. Each logical processor, though, will come with its own APIC. The other features of the processor are either shared or duplicated in each logical processor.
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