HT Technology

E653445

HT Technology is Intel's simultaneous multithreading feature that allows a single physical processor core to appear as multiple logical cores to improve parallel performance.

All labels observed (1)

Label Occurrences
HT Technology canonical 1

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Statements (46)

Predicate Object
instanceOf CPU microarchitecture feature
Intel technology feature
simultaneous multithreading technology
alsoKnownAs Hyper-Threading Technology
Intel Hyper-Threading
appliesTo Intel Core processors
Intel Xeon processors
linked to: Intel Xeon

Intel processors
x86 processors
basedOn simultaneous multithreading
benefitDependsOn operating system scheduler implementation
workload characteristics
category CPU performance optimization
processor parallelism feature
configurable can be enabled or disabled in system BIOS
developer Intel
linked to: Intel Corporation
effect allows one physical core to appear as multiple logical cores
can improve system responsiveness under load
enables multiple hardware threads per core
improves performance in multithreaded workloads
featureOf Intel Haswell microarchitecture
Intel Nehalem microarchitecture
Intel NetBurst microarchitecture
linked to: NetBurst

Intel Sandy Bridge microarchitecture
linked to: Intel Sandy Bridge

Intel Skylake microarchitecture
Intel server platforms
introducedByProduct Intel Xeon processors (NetBurst generation)
Pentium 4 processors (selected models)
linked to: Pentium 4
logicalProcessorRatio typically two logical processors per physical core
manufacturer Intel
linked to: Intel Corporation
marketingNameOf Intel simultaneous multithreading implementation
mayCause increased side-channel attack surface
resource contention between hardware threads
purpose better utilize execution resources
improve parallel performance
increase CPU throughput
requires operating system support for logical processors
scheduler awareness of logical cores
securityConcern has been disabled in some security-sensitive environments
shares L1 cache between logical processors on the same core
L2 cache between logical processors on the same core
branch predictor between logical processors
execution pipelines between logical processors
status widely used in modern Intel CPUs
uses separate architectural state per hardware thread
shared execution units within a core

How these facts were elicited

Referenced by (1)

Full triples — surface form annotated when it differs from this entity's canonical label.