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Modern TLB Characteristics

NB: Purportedly the new Westmere Nehalem chips have GB pages

Opteron (K10) and Nehalem have split L1 and L2 TLBs. In both cases, the L1 TLB consists of separate instruction (ITLB) and data TLBs. The Nehalem has a unified L2 TLB, unlike the Opteron.

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