Research Areas

Software Managed Flash System

• Software-Managed Flash
  • The Software-Managed Flash Architecture: OFSS (FAST’13)
  • File System: ReconFS (FAST’14), ParaFS (ATC’16)
  • Key-value Store: FlashKV (CODES+ISSS’17)
  • Distributed Object Storage: OCStore (ICDCS’19)
• Byte-addressable SSD:
  • File System: CoinPurse (DAC’20)
  • Key-value Store: SineKV (ICDCS’20)
  • Ordering and Crash Consistency: HORAE (OSDI’20), ccNVMe (SOSP’21)
• Others
  • Approximate Storage: ASCache (DAC’19),
  • Concurrency: MAX (ATC’21)

(Persistent) Memory Systems

• Local (Persistent) Memory System
  • Crash Consistency: LOC (ICCD’14), BPPM (MSST’15), LSNVMM (ATC’17), SP3 (DAC’20)
  • File System: HiNFS (EuroSys’16), KucoFS (FAST’21)
  • Key-value Store: Pacman (ATC’22)
  • Data Structure: uTree (VLDB’20)
  • Concurrency Control: Plor (SIGMOD’22)
  • Security: ccNVM (DAC’19), Aria (ICDE’21)
• Distributed (Persistent) Memory System
  • File System: Octopus (ATC’17)
  • Key-value Store: FlatStore (ASPLOS’20)
  • Data Structure: Nap (OSDI’21), Sherman (SIGMOD’22)
  • Networking: ScaleRPC (EuroSys’19)
  • Memory System for Applications: Kraken (SC’20)
• Others
  • Architectural-Level Research: Aegis (MICRO’13), LerGAN (MICRO’18)

Distributed (File System) Storage

• File System Data: Octopus (ATC’17)
• File System Metadata: LocoFS (SC’17), InfiniFS (FAST’22)
• HPC File System: SuperFS

In-Network Storage

• Distributed Shared Memory: Concordia (FAST’21)
• Transaction Processing: SwitchTx (VLDB’22), AlNiCo (ATC’22)

Systems for AI

• Memory-Efficient Recommendation System: Kraken (SC’20)
• GPU Embedding Cache: Fleche (EuroSys’22)
• Large Language Model System: Mobius (ASPLOS’23)
• Huge Embedding Models with Persistent Memory: PetPS (VLDB’23)