gem5: gem5 (gem5 is an open-source system-level and processor simulator)
gem5:
gem5:   The gem5 simulator is a modular platform for computer-system 
gem5: architecture research, encompassing system-level architecture as 
gem5: well as processor microarchitecture. gem5 is a community led project
gem5:  with an open governance model.
gem5:   gem5 was originally conceived for computer architecture research
gem5: in academia, but it has grown to be used in computer system design
gem5: by academia, industry for research, and in teaching.
gem5:
gem5: