The Next-generation Intel® Core™ Microarchitecture

The next-generation Intel® microarchitecture was designed to allow products
(under the Intel® microarchitecture code name Nehalem and Intel® microarchitecture
code name Westmere) to be scaled from low-power laptops to high-performance
servers. The core was created with power efficiency in mind and offers
performance improvements for both lightly-threaded and highly-threaded
workloads, while also adding key segment-specific features. We describe the
innovative techniques used to achieve these goals in the core, including the
development of traditional microarchitecture enhancements, new instructions,
the addition of Intel Hyper-Threading Technology, innovative power-management
schemes, and other performance and power improvements throughout the core

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