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Systems Fundamentals: It's Still About Caching (But Some Things Have Changed)

Event Type
Jian Huang, Ph.D.
1002 Grainger Auditorium ECEB
Apr 20, 2023   4:00 - 5:00 pm  
Remiz Arpaci-Dusseau, Ph.D. - University of Wisconsin - Madison
Jian Huang, Ph.D.
Originating Calendar
Illinois ECE Distinguished Colloquium Series


In this talk, I will present recent work we have done in storage systems, with a focus on one age-old technique: caching. I will show how some things haven't changed (i.e., the utility of caching), and yet, some things have. In particular, I will focus both on how new storage technologies affect caching hierarchies, hinting at the need for new techniques and approaches. I will also show how caching is critical in modern multi-tenant scenarios, and how to incorporate cache considerations into a multi-resource scheduling setting. 


I am the Vilas Distinguished Achievement Professor, Grace Wahba Professor, and Chair of Computer Sciences at UW-Madison. I co-lead a group with Professor Andrea Arpaci-Dusseau.  Together, we have graduated 29 Ph.D. students and won numerous best-paper awards; many of our innovations are used by commercial systems. I received the ACM-SIGOPS Weiser award for "outstanding leadership, innovation, and impact in storage and computer systems research", was named an ACM Fellow for "contributions to storage and computer systems", and an AAAS Fellow for "distinguished contributions to computer systems research and development of computing systems with concomitant devotion to computing education for everyone". I have won the SACM Professor-of-the-Year award six times, the Rosner "Excellent Educator" award, and the Chancellor's Distinguished Teaching Award. Our operating systems book ( is downloaded millions of times yearly and used at numerous institutions worldwide; it is usually the top-selling book on Amazon in operating system theory.

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