office: Tech. L460
office ph: (847) 467-2299
email: kcoloma(AT)ece.northwestern.edu
employer: AOL
Fall 2005 ECE 361 Class page is here ->

Publications:

W.K. Liao, A. Choudhary, K. Coloma, L. Ward, E. Russell, and N. Pundit ''Scalable Design and Implementations for MPI Parallel Overlapping I/O`` To appear in IEEE Transactions on Parallel and Distributed Systems.

W.K. Liao, A. Choudhary, K. Coloma, L. Ward, and S. Tideman ''Cooperative Write-behind Data Buffering for MPI I/O`` In the 2005 Proceedings of the Euro PVM MPI Conference, September 2005.

W.K. Liao, K. Coloma, A. Choudhary, L. Ward, E. Russell, and S. Tideman ''Collective Caching: Application-aware Client-side File Caching`` In the Proceedings of the 14th IEEE International Symposium on High Performance Distributed Computing, July 2005.

K. Coloma, A. Choudhary, W.K. Liao, L. Ward, and S. Tideman, '' DAChe: Direct Access Cache System for Parallel I/O.`` In the 2005 Proceedings of the International Supercomputer Conference, June 2005. (Best Paper Award)

K. Coloma, A. Choudhary, A. Ching, W.K. Liao, S.W. Son, M. Kandemir, and L. Ward, ''Power and Performance in I/O for Scientific Applications.`` Workshop Paper at 2005 International Parallel and Distributed Processing Symposium, April 2005.

A. Ching, K. Coloma, and A. Choudhary, ''Challenges for Parllel I/O in GRID Computing.`` In Engineering the Grid: Status and Perspective, J. Dongarra, H. Zima, A. Hoisie, L. Yang, B. DiMartino (Editors), American Scientific Publishers. 2005

W.K. Liao, A. Choudhary, K. Coloma, L. Ward, E. Russell, and N. Pundit, "MPI Atomicity and Concurrent Overlapping I/O." In High Performance Computing: Paradigm and Infrastructure., John Wiley & Sons Inc. June 2005.

K. Coloma, A. Choudhary, W. Liao, L. Ward, E. Russell, and N. Pundit, ''Scalable High-level Caching for Parallel I/O,`` Proceedings of the 2004 International Parallel and Distributed Processing Symposium, April 2004.
A better title would have been: ''High-level I/O Access Management for Cache Coherency``

W.K. Liao, A. Choudhary, K. Coloma, G. Thiruvathukal, L. Ward, E. Russell, and N. Pundit, ''Scalable Implementations of MPI Atomicity for Concurrent Overlapping I/O,`` Proceedings of the 2003 International Conference on Parallel Processing, October 2003.

A. Ching, A. Choudhary, K. Coloma, W. Liao, R.Ross, and W. Gropp, ''Noncontiguous Access through MPI-IO,`` Proceedings of the 3rd IEEE/ACM International Symposium on Cluster Computing and the Grid, May 2003.

Presentations:

Presentation on File Consistency in ROMIO's collective operations

Posters:

ECE Expo 2003....

Salishan 2003

Some Project Source:

Persistent File Domain Patches