Resource Allocation and Adaptive Routing Algorithm for Thermal-Aware Three-Dimensional Network-on-Chip
Date Issued
2010
Date
2010
Author(s)
Wang, Hao-Yu
Abstract
In this thesis, we proposed two techniques to improve the performance degradation of thermal-aware 3D NoC designs: 1) Adaptive routing for throttled 3D NoC. 2) Resource allocation for traffic migration. And we also proposed: 3) a traffic-thermal co-simulation platform for 3D NoC to facilitate the two kinds of thermal-aware design. To address the traffic congestion due to throttling of transient-temperature control, we proposed an adaptive routing algorithm. Based on the Odd-Even routing function, a traffic- and throttling-aware selection strategy is proposed to decide proper routing path to balance network traffic and detour throttled tiles. While the traffic congestion happens after the traffic migration of steady-temperature optimization, we proposed a design flow of resource allocation. Depend on the loading requirement at each layer, our allocation assigns suitable buffer depth for each layer under a constraint of total buffer cost. Our proposed simulation platform supports unidirectional coupling and mutual coupling. And we validate the proposed simulation platform with commercial thermal modeling tool, CFD-RC, to assure the relative correctness of vertical heat conduction.
Subjects
3D IC
Network-on-Chip
thermal-aware
resource allocation
routing algorithm
SDGs
Type
thesis
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