Abstract
This paper introduces CN-SIM, a cycle accurate, full system, power delivery (PD) noise simulator. CN-SIM provides a cross layer connectivity form application layer, to the architecture layer, to the circuit layer, which is much needed to realistically estimate PD noise. Thus, making it easier for system architects to explore multilayer design optimizations. CN-SIM's granularity at its deepest is at the functional unit (FU) level. The experimental results of running PARSEC suite benchmarks for different system configurations and different industrial PD design have illustrated CN-SIM's capability to capture the crosslayer impact on PD noise.