Xiang Yu: Research

Xiang's Research

Research Interest Projects Publications

Research Interest

- High Performance storage systems
- Parallel and distributed computer systems
- Internet related topics

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Projects Overview

    Princeton University (7/97 – present)

MimdRAID Low Latency I/O Research: How to use multiple disks or specialized disks with new layout and scheduling techniques to reduce disk I/O latency.

Maintaining VMMC-II, a high performance user level cluster communication system, software distribution including user level library, kernel driver and on card firmware for Linux, Windows NT and 2000 platform.

Shared Virtual Memory research in cluster system and developed VMMC-II extension to support fast firmware lock and VMMC checkpointing to support fault tolerant SVM.

Pulsar file system: A scalable, fault tolerant distributed file system on the SHRIMP multi-computer, using user level threads

    NEC Research Institute, 1998 Summer Internship

Improving VMMC-II, a low latency, high bandwidth user level communication system

    Tsinghua University, Beijing, China (9/91 – 7/96)

B.E thesis: Analysis of BLACS (Basic linear algebra communication subprograms)

Programming model research in scientific parallel computing

File system design for a game-machine developing platform

An Intel i860 Vector computing library, which intensively exploits i860 FP pipeline

Publications

X. Yu, B. Gum, Y. Chen, R. Y. Wang, K. Li, A. Krishnamurthy, and T.E. Anderson, "Trading Capacity for Performance in a Disk Array", Proc. Fourth Symposium on Operating Systems Design and Implementation, October 2000. [Postscript]

D. Jiang, B. O'Kelly, X. Yu, S. Kumar, A. Bilas, and J.P. Singh, "Scalability of Home-Based Shared Virtual Memory on Clusters of SMPs", Proceedings of the 13th ACM International Conference on Supercomputer (ICS), Rhodes, Greece, June 1999. [PostScript, PDF]

Y. Chen, S.N. Damianakis, S. Kumar, X. Yu, and K. Li, "Porting a User-level Communication Architecture to NT: Experience and Performance", Proc. of 3rd Usenix Windows NT Symposium, Seattle, Washington, July 1999. [abstract] [full paper (PDF)]

R. Wang, T.E. Anderson, Y. Chen, A. Krishnamurthy, K. Li, and X. Yu, "XRAID: Low-latency Secondary Storage", CS TechReport TR-612-99, Princeton University, 1999.

X. Yu, "An analysis of BLACS library", B.E thesis, Tsinghua University, June 1996

X. Yu and X. Wang, "DATIS: a data transfer interface for SPMD programs of Scientific computing", in annual report of parallel computing group of National Climbing Plan of China, Jan. 1996. English version accepted by 8th SIAM conference on Parallel Processing for Scientific Computing, Minneapolis, March 1997.

X. Wang and X. Yu, "Experience of parallelizing large engineering programs", in annual report of parallel computing group of National Climbing Plan of China, Jan. 1996.