A 2Tb/s 6×4 mesh network with DVFS and 2.3Tb/s/W router in 45nm CMOS

Praveen Salihundam,Shailendra Jain,Tiju Jacob,Shasi Kumar,Vasantha Erraguntla,Yatin Hoskote,Sriram R Vangal, G Ruhl,Partha Kundu,Nitin Borkar

VLSI Circuits（2010）

引用 36|浏览179

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摘要

A packet-switched 6×4 2D mesh network-on-chip (NoC) on a dedicated voltage and frequency island (VFI) provides 2 Tb/s of bisection bandwidth, and interconnects 48 Pentium™ class IA-32 cores and 4 DDR3 channels. The 1.28 Tb/s router with 16 B, 5.4 mm links achieves high network utilization through 8 virtual channels (VC), early-buffer write and read, route pre-computation and a 1-cycle wrapped wavefront allocator (WWFA) design. The 640 K transistor, 1.17 mm2 router operates at 2 GHz at 1.1 V while dissipating 550 mW. Router energy efficiency scales up to 7.2 Tb/s/W.

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关键词

cmos integrated circuits,integrated circuit interconnections,network-on-chip,cmos,ddr3 channels,dvfs,pentium™ class ia-32 cores,bit rate 2 tbit/s,cycle wrapped wavefront allocator design,frequency 2 ghz,frequency island,packet-switched 2d mesh network-on-chip,power 550 mw,size 45 nm,virtual channels,voltage 1.1 v,voltage island,network on chip,mesh network,energy efficiency,energy efficient,frequency modulation,chip,switches

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