Transport-layer-assisted routing for runtime thermal management of 3D NoC systems

Abstract

To ensure thermal safety and to avoid performance degradation from temperature regulation in 3D NoC, we propose a new temperature-traffic control framework. The framework contains the vertical throttling-based runtime thermal management (VT-RTM) scheme and the transport-layer assisted routing (TLAR) scheme. VT-RTM scheme increases the cooling speed and maintains high availability. TLAR scheme sustains the throughput of the nonstationary irregular mesh network. In our experiments, VT-RTM scheme reduces cooling time by 84% and achieves 98% network availability; the overall performance impact is around 8% of traditional schemes. TLAR scheme reduces average latency by 35∼% and improves sustainable throughput by 76%