Computer Architecture and SysTems Research Lab (CASTL)

Address: 114 Milton Carothers Hall (MCH), Tallahassee, FL 32306; Contact: Dr. Weikuan Yu (yuw@cs.fsu.edu), 850-644-5442

Mission Statement

The Computer Architecture and SysTems Research Lab (CASTL) at Florida State University, headed by Dr. Weikuan Yu, has broad research interests in novel architectural and system technologies for big data analytics, cloud computing, high-performance computer and network systems, and the use of these technologies for fast scientific discoveries on computational biology and climate changes.


  1. July 2017: Congratulations to Huansong and Yue for being accepted as SC17 Student Volunteers.
  2. July 2017: Congratulations to Huansong for his paper on SHMEMCache being accepted to the 2017 OpenSHMEM workshop.
  3. June 2017: Dr. Yu visits Xiamen University and Shanghai University and Science and Technology (ShanghaiTech) to give research seminars and recruit future students.
  4. April 2017: Congratulations to Yue, Ahana and Muhib for receiving travel grants to attend IPDPS'17 and present their research work in Orlando, Florida.
  5. April 2017: Congratulations to Yue Zhu for receiving a travel grant from the National Science Foundation to present her work on user-level file systems in Germany!
  6. March 2017: To reflect the evolving thrust areas, our group has been renamed as the Computer Architecture and SysTems Research Lab (CASTL)!
  7. March 2017: Congratulations to Yue Zhu and Ahana Roy Choudhury for obtaining summer internships from Lawrence Livermore National Lab and Oak Ridge National Lab, respectively!
  8. March 2017: Congratulations to Teng Wang for accepting a position at Lawrence Berkeley National Laboratory!
  9. March 2017: Hearty Congratulations to Teng Wang for successfully defending his dissertation and earning his doctoral degree. Job well done, Dr. Teng Wang!
  10. February 2017: Dr. Sarp Oral, a senior research scientist and file system team leader from Oak Ridge National Lab, visits FSU and gives us an exciting talk on End-to-End I/O path design for future exascale systems.
  11. January 2017: Dr. Weikuan Yu is officially promoted to be a full professor, effective August 2017.
  12. January 2017: Congratulations to Huansong Fu and Ahana Roy Choudhury for their paper on key-value store over OpenSHMEM being accepted to CCGrid 2017.
  13. January 2017: Congratulations to Teng Wang and Yue Zhu for their paper on key-value metadata management being accepted to IPDPS 2017.
  14. December 2016: Congratulations to Huansong for passing his area survey exam.
  15. December 2016: Congratulations to William Wagner for obtaining an internship from Bloomberg in NYC.
  16. November 2016: Congratulations to Joshua Garlitos for obtaining a data scientist postion from Disney in Orlando.
  17. November 2016: Dr. Yu renews his research contract with Oak Ridge National Laboratory.
  18. October 2016: Dr. Yu receives a research contract from Lawrence Livermore National Laboratory.
  19. September 2016: William Wagner joins the PASL group. Welcome on board!
  20. August 2016: Welcome to Ahana, Muhib and Wenqing for joining the PASL group.
  21. August 2016: Huansong delivers a successful presentation on SHMEMCache at the 2016 OpenSHMEM workshop.



  • A cluster with 20 nodes of dual-socket 8-core, and 22 nodes of dual-socket ten-core.
  • An FDR InfiniBand newtork with 36 ports.
  • A 10-Gigabit Ethernet network with 48 ports.
  • A developmental cluster of GeForce GTX 280 Nvidia GPGPU cards
  • A network of student workstations, well suited for system administration practices.
  • All clusters are connected to the student lab via fibre connections.

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