gem5

Modular simulator for computer-system architecture and processor microarchitecture research

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gem5 is an open-source simulator for computer-system architecture and processor microarchitecture research. It lets researchers model and evaluate new hardware designs, system software changes and compiler or runtime optimisations across instruction sets including ARM, RISC-V and x86, with support for full-system simulation using supplied kernel and disk images. It is aimed at architecture researchers, systems students and hardware engineers.

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