CoLT: Coalesced Large-Reach TLBs

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CoLT: Coalesced Large-Reach TLBs Binh Pham§, Viswanathan Vaidyanathan§, Aamer Jaleelǂ, Abhishek Bhattacharjee§ §Rutgers University ǂVSSAD, Intel Corporation December 2012

Binh Pham - Rutgers University Contiguity & CoLT Page Table Virtual Physical 512 1 513 … 511 1023 1027 1025 514 1030 515 1031 516 1032 TLB for large pages Virtual Physical 0 : 511 512 : 1023 High contiguity Large pages Low contiguity TLB organization Prefetching Coalesced TLB Virtual Physical 512 1027 513 1025 514:516 1030:1032 TLB Virtual Physical 512 1027 513 1025 514 1030 515 1031 512 1027 513 1025 Intermediate contiguity CoLT Low HW/SW Binh Pham - Rutgers University