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. November 2017: Congratulations to Dr. Weikuan Yu for a new grant from LLNL to continue the research on user-level file systems.
  2. November 2017: Congratulations to Huansong and Yue for obtaining student volunteer positions to attend SC17.
  3. October 2017: Dr. Xian-He Sun, a distinguished professor, visits IIT and gives us an exciting talk on fast data transfer in the presence of memory wall effects.
  4. September 2017: Dr. Neena Imam, a distinguished research scientist from Oak Ridge National Lab, visits FSU and gives us an exciting talk on the landscape of BeyondCMOS computing.
  5. August 2017: A warm welcome to Fahim, Aditya, Subhadeep, Amith and Shaeke for joining the CASTL group.
  6. August 2017: Congratulations to Zhuo Liu and Bin Wang for their paper entitled as “HALO: A Fast and Durable Disk Write Cache Using Phase Change Memory” being accepted to the Journal of Cluster Computing.
  7. August 2017: Congratulations to Dr. Weikuan Yu for a new grant from the National Science Foundation on MapReduce data management research.



  • A cluster with 42 nodes of dual-socket 8-core or 10-core sockets.
  • 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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