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The gem5 Simulator: Version 20.0+

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Adrian Herrera
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Amin Farmahini-Farahani
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Andrea Mondelli
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  • PersonId : 785796
  • IdRef : 223551872
Andreas Hansson
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Anthony Gutierrez
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Austin Harris
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Ayaz Akram
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Boris Shingarov
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Brad Beckmann
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Carlos Escuin
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David A Wood
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Dibakar Gope
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Éder F Zulian
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Gabe Black
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Gedare Bloom
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Giacomo Travaglini
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Hamidreza Khaleghzadeh
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Hanhwi Jang
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Hoa Nguyen
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Hongil Yoon
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Ilias Vougioukas
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Javier Setoain
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Jayneel Gandhi
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Krishnendra Nathella
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Lena E Olson
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Lizhong Chen
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Mahyar Samani
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Marc Orr
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Marjan Fariborz
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Matthew D Sinclair
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Matthew Horsnell
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Michael Upton
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Miquel Moreto
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Nicolas Derumigny
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Nilay Vaish
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Nils Asmussen
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Omar Naji
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Pablo Prieto
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Pouya Fotouhi
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Rahul Thakur
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Raza Jafri
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Rico Amslinger
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Ryan Gambord
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Srikant Bharadwaj
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Subash Kannoth
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Swapnil Haria
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Syed Ali
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Tiago Mück
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Timothy Hayes
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Timothy M Jones
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Tommaso Marinelli
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Trivikram Reddy
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Tuan Ta
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William Wang
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Yuetsu Kodama
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Zhengrong Wang
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Abstract

The open-source and community-supported gem5 simulator is one of the most popular tools for computer architecture research. This simulation infrastructure allows researchers to model modern computer hardware at the cycle level, and it has enough fidelity to boot unmodified Linux-based operating systems and run full applications for multiple architectures including x86, Arm®, and RISC-V. The gem5 simulator has been under active development over the last nine years since the original gem5 release. In this time, there have been over 7000 commits to the codebase from over 250 unique contributors which have improved the simulator by adding new features, fixing bugs, and increasing the code quality. In this paper, we give an overview of gem5's usage and features, describe the current state of the gem5 simulator, and enumerate the major changes since the initial release of gem5. We also discuss how the gem5 simulator has transitioned to a formal governance model to enable continued improvement and community support for the next 20 years of computer architecture research.
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Dates and versions

hal-03100818 , version 1 (06-01-2021)

Identifiers

  • HAL Id : hal-03100818 , version 1

Cite

Jason Lowe-Power, Abdul Mutaal Ahmad, Adria Armejach, Adrian Herrera, Alec Roelke, et al.. The gem5 Simulator: Version 20.0+. 2021. ⟨hal-03100818⟩
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