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description=Juncheng Yang - Assistant Professor at Harvard John A. Paulson School of Engineering and Applied Sciences. Research in storage systems, data management, and machine learning systems.;
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juncheng yang assistant professor in harvard john a paulson school of engineering and applied sciences skip to main content photo credit eliza grinnell harvard seas juncheng yang assistant professor harvard john a paulson school of engineering and applied sciences email protected sec 4 410 150 western ave allston ma 02134 google scholar opens in new tab cv opens in new tab about i am an assistant professor in harvard john a paulson school of engineering and applied sciences i received my ph d in computer science from carnegie mellon university working with rashmi vinayak i am broadly interested in computer systems with particular focus on workload analysis design of efficient reliable and sustainable data storage and machine learning systems my works have received best paper award at nsdi 24 nsdi 21 sosp 21 valuetools 24 and systor 16 and have been deployed in production at google vmware twitter redpanda with many open source libraries contributed by the community i am a 2020 meta fellow a 2023 google cloud research innovator and a 2023 rising star in machine learning and systems and i received the cmu scs doctoral dissertation award the acm sigops dennis m ritchie doctoral dissertation award i lead the harvard m easurements a nd d esign of computer sys tems lab madsys lab and i am fortunate to work with several amazing students i dedicate one hour each week to mentorship and advising with a particular focus on supporting students from underrepresented communities if you would like to chat please sign up here and send me an email news more 05 2026 freeinference service is alive try it out at freeinference org 04 2026 congratulations to yiyan on joining cmu for ph d marthen to join harvard for ph d and haekal to join rutgers for ph d 04 2026 we launched the harvard systems group 02 2026 received two nvidia dgx spark from nvidia to support our research thank you 02 2026 i am chairing the mlsys 26 artifact evaluation committee please submit your artifacts and consider volunteering as a reviewer 01 2026 i am teaching a new class on modern computer storage systems this spring 01 2026 i am organizing the new england systems day 2026 at harvard i am looking for highly motivated students to join my lab please read this page if you are interested in working with me or asking for a recommendation letter research areas and interests storage systems and machine learning systems with a focus on efficiency scalability and robustness efficient and scalable cache management systems measurement studies osdi 20 tos 21 hotos 23 new cache system designs nsdi 21 sosp 21 tos 22 eurosys 23 new replacement algorithm designs sosp 23 nsdi 24 robust and reliable cache storage management and machine learning systems osdi 20 nsdi 22 vldb 23 application machine learning co design for systems practical machine learning for systems fast 23 socc 17 performance optimization and sustainability of microservices and serverless architecture socc 23 reliable large model inference on wimpy hardware system for machine learning research highlights sieve nsdi 24 the first cache eviction algorithm simpler than lru but yet more effective than state of the art algorithms for web caches adopted by software and systems such as android api bind 9 immudb tidb postgrest implemented in many open source libraries e g golang python javascript rust java swift ruby nim and zig find more details on sieve website s3 fifo sosp 23 a simple and scalable cache eviction algorithm composed of only fifo queues implemented or deployed at companies including google vmware and redpanda and many open source libraries find more details on s3 fifo website segcache nsdi 21 received a community best paper award and deployed at twitter and momento video a video discussing some of our recent work and focus bio juncheng yang is an assistant professor in harvard john a paulson school of engineering and applied sciences he received his ph d in computer science from carnegie mellon university in 2024 his research interests broadly cover the efficiency performance reliability and sustainability of large scale data systems juncheng s works have received best paper awards at valuetools 24 nsdi 24 nsdi 21 sosp 21 and systor 16 his osdi 20 paper was recognized as one of the best storage papers at the conference and invited to acm tos 21 juncheng received a facebook ph d fellowship in 2020 was recognized as a rising star in machine learning and systems in 2023 and a google cloud research innovator in 2023 his dissertation on designing efficient and scalable cache management systems received the acm sigops dennis m ritchie doctoral dissertation award his works have been widely adopted for example s3 fifo and sieve are adopted for production at google vmware redpanda and several others with over 60 open source libraries and packages in 18 programming languages available on github moreover the open source cache simulation library he created libcachesim has been used by almost 100 research institutes and companies