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What is Hyper-Threading?
Hyper-Threading technology is an innovative design from Intel that enables multi-threaded software applications to process threads in
parallel within each processor resulting in increased utilization of processor execution resources. As a result, an average improvement of
~40% in CPU resource utilization yields higher processing throughput.
parallel within each processor resulting in increased utilization of processor execution resources. As a result, an average improvement of
~40% in CPU resource utilization yields higher processing throughput.
How Hyper-Threading Works
A form of simultaneous multi-threading technology (SMT), Hyper-Threading technology allows multiple threads of software applications to
be run simultaneously on one processor
by duplicating the architectural state on
each processor while the same
processor execution resources is shared.
The figure below represents how a
Hyper-Threading based processor
differentiates a traditional multiprocessor.
The left-hand configuration shows a
traditional multiprocessor system with
two physical processors. Each processor
has its own independent execution
resources and architectural state. The
right-hand configuration represents an
Intel Hyper-Threading technology based
processor. You can see that the
architectural state for each processor is
duplicated, while the execution resources
is shared.
by duplicating the architectural state on
each processor while the same
processor execution resources is shared.
The figure below represents how a
Hyper-Threading based processor
differentiates a traditional multiprocessor.
The left-hand configuration shows a
traditional multiprocessor system with
two physical processors. Each processor
has its own independent execution
resources and architectural state. The
right-hand configuration represents an
Intel Hyper-Threading technology based
processor. You can see that the
architectural state for each processor is
duplicated, while the execution resources
is shared.
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