COSMOSS (COmputer Systems, Memory, and OS Security) Lab

This website is no longer maintained since Dr. Changwoo Min left Virginia Tech to join Igalia, a worker-owned open source consultancy.

We enjoy building practical systems with focuses on performance, scalability, security, and reliability. In particular, we are interested in the interactions between layers and revisit the design of computer systems in a holistic manner encompassing hardware, operating system, and applications. Our research contributions have been published in top-tier systems conferences and security conferences, and have made a real-world impacts on critical software, including Linux kernel. If you are interested in building and breaking systems with us, please contact Dr. Changwoo Min with your CV.

News

  • [04/25/2024] Mohannad has successfully defended his Ph.D. dissertation! Congratulations Dr. Ismail!
  • [09/16/2023] Mohannad has successfully passed his Ph.D. preliminary exam! Congratulations Mohannad!
  • [07/15/2023] MEMTIS is accepted to SOSP'23! Congratulations Taehyung and Sumit!
  • [04/29/2023] Madhav has successfully defended his PhD dissertation! Congratulations Dr. Ramanathan!
  • [04/27/2023] Shashwat has successfully defended his MEng project! Congratulations Shashwat!
  • [03/10/2023] Write-Light Cache is accepted to ISCA-50! Congratulations Jongouk and Jianping!
  • [02/21/2023] Sumit and Madhav won Fellowship for Graduate Student First-Author Paper!
  • [02/09/2023] OdinFS is accepted to NVMW23! Congratulations Diyu!
  • [01/20/2023] BASTION is accepted to ASPLOS'23! Congratulations Christopher, and Mohannad!
  • [12/09/2022] TENET and CJFS (2 papers) are accepted to FAST'23! Congratulations Madhav and Joontaek!
  • [12/09/2022] Mohannad won Fellowship for Graduate Student First-Author Paper. Congratulations Mohannad!
  • [12/02/2022] Christopher has successfully defended his PhD dissertation! Congratulations Dr. Jelesnianski!
  • [09/20/2022] PRISM is accepted to ASPLOS'23! Congratulations Yongju, Wookhee, and Sumit!
  • [05/05/2022] Mohannad won Torgersen Graduate Student Research Excellence Award. Congratulations Mohannad!
  • [05/02/2022] Changwoo received Faculty Fellow Award (Dean's Awards for Excellence).
  • [04/13/2022] Christopher has successfully passed his Ph.D. preliminary exam! Congratulations Christopher!
  • [04/07/2022] Sumit has passed PhD qualifying exam! Congratulations Sumit!
  • [04/05/2022] ReplayCache is accepted to NVMW22!
  • [03/19/2022] Durinn and Odinfs (2 papers) are accepted to OSDI'22! Congratulations Xinwei and Diyu!
  • [03/11/2022] PACTight is accepted to USENIX Security'22! Congratulations Mohannad, Andrew, and Christopher!
  • [03/01/2022] Mohannad has passed PhD qualifying exam! Congratulations Mohannad!
  • [02/18/2022] Sanjana has successfully defended her MS thesis! Congratulations Sanjana!
  • [02/10/2022] Xinwei has successfully defended his PhD dissertation! Congratulations Dr. Fu!
  • [01/18/2022] Fireworks is accepted to EuroSys'22! Congratulations Wonseok and Wookhee!
  • [01/09/2022] Wookhee will join Konkuk University as an Assistant Professor! Congratulations Wookhee!
  • [12/06/2021] libHetMP is accepted to TOCS!
  • [12/02/2021] Mohannad has successfully defended his MS thesis! Congratulations Mohannad!
  • [11/30/2021] Sumit has successfully defended his MS thesis! Congratulations Sumit!
  • [11/09/2021] Madhav has successfully passed his Ph.D. preliminary exam! Congratulations Madhav!
  • [10/18/2021] HermiTux is accepted to TC!
  • [08/06/2021] Witcher, PACTree, and Flock (3 papers) are accepted to SOSP'21! Congratulations Xinwei, Wookhee, Sumit, Madhav, Mohannad, and Sunny!
  • [07/20/2021] VIP is accepted to CCS'21! Congratulations Jinwoo and Mohannad!
  • [07/14/2021] ReplayCache is accepted to MICRO!
  • [07/08/2021] MARDU is accepted to DTRAP! Congratulations Christopher!
  • [06/16/2021] TimeStone is now open sourced!
  • [06/02/2021] Wookhee won Postdoc Research Fellowship by NRF! Congratulations Wookhee!
  • [05/10/2021] Xinwei has successfully passed his Ph.D. preliminary exam! Congratulations Xinwei!
  • [05/05/2021] Sachin has successfully defended his MEng project! Congratulations Sachin!
  • [05/03/2021] Wonseok has successfully defended his MS thesis! Congratulations Wonseok!
  • [04/26/2021] TIPS and LODIC (2 papers) are accepted to ATC'21!
  • [02/10/2021] CrossFS has been selected as Memorable Paper Award Finalist in NVMW'21!
  • [01/29/2021] CrossFS, POSEIDON, and TIPS (3 papers) are accepted to NVMW'21!
  • [01/13/2021] ExpRace is accepted to USENIX Security'21!
  • [08/28/2020] POSEIDON and libHetMP (2 papers) are accepted to Middleware'20!
  • [08/15/2020] CrossFS is accepted to OSDI'20!
  • [06/11/2020] Sanidhya has successfully defended his PhD thesis! Congratulations Sanidhya!
  • [05/08/2020] RaceXP is accepted to Black Hat USA 2020!
  • [05/04/2020] Anthony has successfully defended his MS thesis! Congratulations Anthony!
  • [04/28/2020] Jinwoo has successfully defended his MS thesis! Congratulations Jinwoo!
  • [04/19/2020] MARDU is accepted to SYSTOR'20!
  • [03/17/2020] DEX is accepted to ICDCS'20!
  • [02/15/2020] HydraList is accepted to VLDB'20!
  • [01/16/2020] TimeStone will be presented at NVMW'20!
  • [12/05/2019] ACCFS is accepted to TPDS!
  • [12/02/2019] Ajit has successfully defended his MS thesis! Congratulations Ajit!
  • [11/19/2019] TimeStone is accepted to ASPLOS'20!
  • [07/23/2019] ShflLocks is accepted to SOSP'19!
  • [05/08/2019] Ajit won Torgersen Graduate Student Research Excellence Award!
  • [04/17/2019] SWAN is accepted to ATC'19!
  • [04/14/2019] HermiTux won the best paper award at VEE'19!
  • [02/04/2019] HermiTux is accepted to VEE'19!
  • [11/17/2018] MV-RLU is accepted to ASPLOS'19!
  • [04/19/2018] AFS is accepted to HotStorage'18!
  • [04/18/2018] eCS is accepted to ATC'18!
  • [01/23/2018] Solros and Ordo are accepted to EuroSys'18!
  • [08/03/2017] Our fuzzing primitive paper is accepted to CCS'17!
  • [07/13/2017] Flsched is accepted to APSys'17!