Research:
I received my Ph.D. degree in Computer Science in 1996. I was a student of Prof. James Demmel, working on high performance numerical linear algebra software. I now work at NERSC. I keep my updated information here.
Recent talks:
-
Parallel Supernodal Method for Sparse Gaussian Elimination
(in postscript).
Second SIAM Conference on Sparse Matrices, October 9 - 11, 1996,
Coeur d'Alene, Idaho.
High Performance Sparse Gaussian Elimination.
Sparse Gaussian Elimination on High
Performance Machines. Direct Methods Workshop, International
Linear Algebra Year, Toulouse, France, September 29, 1995.
Faster Numerical Algorithms via
Exception Handling. 11th IEEE Symposium on Computer Arithmetic,
July 2, Windsor, Ontario, 1993.
Recent papers:
An Asynchronous Parallel Supernodal
Algorithm for Sparse Gaussian Elimination.
(with J. Demmel and J. Gilbert)
SIAM J. Matrix Anal. Appl., vol. 20(4), 915-952, 1999.
Sparse Gaussian Elimination on High
Performance Computers.
Ph.D. dissertation. Tech Report CSD-96-919, Computer Science,
UC Berkeley, September 1996.
A Supernodal Approach to Sparse Partial
Pivoting.
(with J. Demmel, S. Eisenstat, J. Gilbert and J. Liu)
SIAM J. Matrix Anal. Appl., vol 20(3), 720-755, 1999.
Faster Numerical Algorithms via
Exception Handling.
IEEE Transactions on Computers, vol.43, no.8, August 1994, 983-992.
(with J. Demmel)
Data-level Parallel Solution of Min-cost
Network Flow Problems Using Epsilon-relaxations .
European Journal of Operational Research, vol.79(3), 22 Dec.
1994, 474-488. (with S. Zenios)
Software:
-
SuperLU (Version 2.0, 9/1/99)
-- A library of routines in C to solve general sparse linear systems.
SuperLU_MT (Version 1.0, 9/1/99)
-- multithreaded SuperLU for the SMPs.
CLAPACK
-- Full set of
LAPACK in C.
ieee_except -- The software
associated with the paper "Faster Numerical Algorithms via
Exception Handling".
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times since Nov 1, 1995.