The gem5 simulator.
Nathan L. BinkertBradford M. BeckmannGabriel BlackSteven K. ReinhardtAli G. SaidiArkaprava BasuJoel HestnessDerek HowerTushar KrishnaSomayeh SardashtiRathijit SenKorey SewellMuhammad Shoaib Bin AltafNilay VaishMark D. HillDavid A. WoodPublished in: SIGARCH Comput. Archit. News (2011)