The NECSST (Next-generation Embedded/Computer System Software Technology) Lab conducts research on
system software issues in today's computing infrastructure ranging from embedded systems to large scale systems such
as cloud and warehouse scale computers, with a special focus on flash memory based storage devices and
non-volatile memory (aka NVRAM, NVM, Persistent Memory (PM), Storage Class Memory (SCM), etc.) based systems.
Our research has been supported by NRF (the NFS equivalent of Korea), the Ministry of Science and ICT,
Samsung Electronics, and SKhynix among others. Our current focus of research is as follows:
• Operating system redesign for non-volatile memory deployed systems
• Systems Support for big data and deep learning
• Operating system issues related to flash memory & Solid State Drives (SSDs)
• Efficient file system design and implementation for SSDs
• Efficient FTL design and implementation for Flash memory
• QoS issues for flash memory and SSDs

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Four new PhDs!

Four new PhDs! Congratulations to Hyunsub Song, Hyeonho Song, Jay H. Park, Eunjae Lee for successfully defending their PhD dissertations,...
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Paper accepted to ATC ’21

Our paper titled “First Responder: Persistent Memory Simultaneously as High Performance Buffer Cache and Storage” has been accepted for publication...
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Paper accepted to ATC ’20

Our paper titled “HetPipe: Enabling Large DNN Training on (Whimpy) Heterogeneous GPU Clusters through Integration of Pipelined Model Parallelism and...
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Two papers accepted to ATC 2019

Our papers titled “Alleviating Garbage Collection Interference Through Spatial Separation in All Flash Arrays” and “Pre-Select Static Caching and Neighborhood...