Hyperthreaded core sharing
The Hyperthreaded (HT) core sharing option enables us to define the different types of physical core sharing techniques with the virtual machines.
A Hyperthreaded processor (or lCPU) has the same number of function units as an older, non-Hyperthreaded processor. HT offers two execution contexts, so that it can achieve better function unit utilization by letting more than one thread execute concurrently. On the other hand, if you're running two programs which compete for the same function units, there is no advantage at all on having both running concurrently. When one is running, the other is necessarily waiting on the same function units.
A dual core processor has two times as many function units as a single-core processor, ...
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