Join us for our upcoming SAFARI Live Seminar.
Date: Wednesday, July 12 2023, 10:00 Zurich time (CEST)
Where: ETZ E81 & Livestream on YouTube (Link)
Title: Cross-Layer SSD Optimizations by Exploiting 3D Flash Memory Characteristics
3D flash memory, which is based on vertical stacking of flash cells, is a key enabler in continuous capacity growth in flash-based solid-state devices (SSDs). In this talk, we share our experiences of developing cross-layer optimization techniques for 3D flash-based SSDs by exploiting the unique characteristics of 3D flash memory that are quite different from those of 2D flash memory. After presenting our key findings from an extensive characterization study using real 3D flash chips, we present two novel techniques that improve performance and lifetime of SSDs, respectively, by intelligently exploiting the 3D flash memory characteristics. As an extreme form of processing-in-storage systems, we introduce processing-in-flash (PiF), which accelerates data-intensive applications inside flash chips by exploiting advanced 3D flash chips.
Jihong Kim is a Professor in the department of Computer Science & Engineering, Seoul National University. Before joining Seoul National University, he was a Member of Technical Staff in the DSPS R&D Center of Texas Instruments in Dallas, Texas. Jihong Kim received his BS in computer science and statistics from Seoul National University, and MS and PhD degrees in computer science and engineering from the University of Washington, respectively. His research interests include NAND flash-based storage systems, low-power systems, computer architecture and mobile computing. He is a Director of Institute of Computer Technology and a Director of SNU-SK hynix Solution Research Center in Seoul National University.