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本文介绍了基于32nm高k金属栅工艺的Westmere处理器家族，作为Nehalem处理器的紧凑化设计，重点描述了6核双插槽服务器处理器和2核单插槽客户端处理器的创新与电路优化。
Jeffrey L. Miller, Timothy M. Wilson, Mahadev Nemani, Muntaquim Chowdhury Intel, Hillsboro, OR The Westmere processor is implemented on a high-κ metal-gate 32nm process technology [1] as a compaction of the Nehalem processor family [2]. Figure 5.1.1 shows the 6-core dual-socket server processor and the 2-core singlesocket processor for mainstream client. This paper focuses on innovations and circuit optimizations made to the 6-core processor. The 6-core design has 1.17B transistors including the 12MB shared L3 Cache and fits in approximately the same die area as its 45nm 4-core 8MB-L3-cache Nehalem counterpart. The core supports new instructions for accelerating encryption/decryption algorithms, speeds up performance under virtualized environments, and contains a host of other targeted performance features. Like Nehalem, Westmere processors implement power gates for cores. Westmere further extends the power gates to L3 cache and the global queues of
Nasser A. Kurd, Subramani Bhamidipati, Christopher Mozak,