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- Title
Hyper-Threading Technology Architecture and Microarchitecture.
- Authors
Marr, Deborah T.; Binns, Frank; Hill, David L.; Hinton, Glenn; Koufaty, David A.; Miller, J. Alan; Upton, Michael
- Abstract
Intel's Hyper-Threading Technology brings the concept of simultaneous multi-threading to the Intel Architecture. Hyper-Threading Technology makes a single physical processor appear as two logical processors; the physical execution resources are shared and the architecture state is duplicated for the two logical processors. From a software or architecture perspective, this means operating systems and user programs can schedule processes or threads to logical processors as they would on multiple physical processors. From a microarchitecture perspective, this means that instructions from both logical processors will persist and execute simultaneously on shared execution resources. This paper describes the Hyper-Threading Technology architecture, and discusses the microarchitecture details of Intel's first implementation on the Intel® Xeon™ processor family. Hyper-Threading Technology is an important addition to Intel's enterprise product line and will be integrated into a wide variety of products.
- Publication
Intel Technology Journal, 2002, Vol 6, Issue 1, p1
- ISSN
1535-864X
- Publication type
Academic Journal