HORNET [1] is a highly configurable, cycle-level multicore simulator with support for a variety of memory hierarchies, interconnect routing and VC allocation algorithms, as well as accurate power and thermal modeling. Its multithreaded simulation engine divides the work equally among available host processor cores, and permits either cycle-accurate precision or increased performance at some accuracy cost via periodic synchronization. HORNET can be driven in network-only mode by synthetic patterns or application traces or in full multicore mode using a built-in MIPS core simulator.
[1] Mieszko Lis, Pengju Ren, Myong Hyon Cho, Keun Sup Shim, Christopher W. Fletcher, Omer Khan and Srinivas Devadas, "Scalable, accurate multicore simulation in the 1000-core era", IEEE International Symposium on Performance Analysis of Systems and Software (ISPASS), April 2011.