This page contains selected publications and presentations in reverse chronological order by research area.

High-Performance Networking

DRS: Dynamic Right Sizing

Re-Architecting Flow-Control Adaptation for Grid Environments.
A. Engelhard, M. Gardner, and W. Feng
The 18th IEEE International Parallel and Distributed Processing Symposium, (IPDPS'04), Santa Fe, NM, April 2004.
[LA-UR 04-0494] (9 pages - postscript, 74K; PDF, 33K)
User-Space Auto-Tuning for TCP Flow Control in Computational Grids.
M. Gardner, S. Thulasidasan, and W. Feng
Computer Communications, Special Issue on Network Support for Grid Computing, Vol. 27, No. 14, September 2004.
[LA-UR 03-1807] (12 pages - postscript, 392K; PDF, 344K)
Automatic Flow-Control Adaptation for Enhancing Network Performance in Computational Grids.
W. Feng, M. Gardner, M. Fisk, and E. Weigle
Journal of Grid Gomputing (inaugural issue). Vol. 1, No. 1, 2003, pp.63-74.
[LA-UR 03-0714] (8 pages - postscript, 1.1M; PDF, 1.0M)
Optimizing GridFTP Through Dynamic Right-Sizing.
S. Thulasidasan, W. Feng, and M. Gardner
IEEE Symposium on High-Performance Distributed Computing. (HPDC-12/2003), Seattle WA, June 2003.
[LA-UR 03-2486] (8 pages - postscript, 339K; PDF, 267K)
Dynamic Right-Sizing in FTP (drsFTP): An Automatic Technique for Enhancing Grid Performance.
M. Gardner, W. Feng, and M. Fisk
IEEE Symposium on High-Performance Distributed Computing. (HPDC-11/2002), Edinburgh, Scotland, July 2002.
[LA-UR 02-2799] (8 pages - postscript, 172K; PDF, 113K)
Dynamic Right-Sizing: An Automated, Lightweight, and Scalable Technique for Enhancing Grid Performance.
W. Feng, M. Fisk, M. Gardner, and E. Weigle.
7th International IEEE Workshop on Protocols for High Speed Networks (PfHSN 2002), Berlin, Germany, April 2002.
[LA-UR 02-2052] (16 pages - postscript, 962K; PDF, 803K)
Dynamic Right-Sizing: TCP Flow-Control Adaptation.
M. Fisk and W. Feng.
SC 2001: High-Performance Networking and Computing Conference (SC 2001), Denver, Colorado, November 2001.
[LA-UR 01-2823] (3 pages - postscript, 719K; postscript, 622K)
Dynamic Right-Sizing in TCP.
M. Fisk and W. Feng.
2nd Annual Los Alamos Computer Science Institute Symposium (LACSI 2001), Santa Fe, New Mexico, October 2001.
[LA-UR 01-5460] (7 pages - postscript, 2.7M; PDF, 503K)
Dynamic Right-Sizing: A Simulation Study
E. Weigle and W. Feng
10th International Conference on Computer Communication and Networking (IC³N 2001), Scottsdale, Arizona, October 2001.
[LA-UR 01-5062] (7 pages - postscript, 242K; PDF, 150K)
Dynamic Adjustment of TCP Window Sizes.
M. Fisk and W. Feng.
Published only as a Los Alamos Unclassified Report
[LA-UR 00-3321] (11 pages - postscript, 2.8M; PDF, 762K)

High-Performance TCP

Anatomy of UDP and M-VIA for Cluster Communication.
X. Zhang, L. Bhuyan, and W. Feng
Journal of Parallel and Distributed Computing, Special Issue: Design and Performance of Networks for Super-, Cluster-, and Grid-Computing, Vol. 65, No. 10, October 2005.
[LA-UR 05-2009] (9 pages - PDF, 300K)
FAST TCP: From Theory to Experiments.
C. Jin, D. Wei, S. Low, G. Buhrmaster, J. Bunn, D. Choe, R.L. Cottrell, J.C. Doyle, W. Feng, O. Martin, H. Newman, F. Paganini, S. Ravot, and S. Singh
IEEE Network, January-February 2005.
[LA-UR 05-4539] (8 pages - PDF, 540K)
User-Space Auto-Tuning for TCP Flow Control in Computational Grids.
M. Gardner, S. Thulasidasan, and W. Feng
Computer Communications,, Special Issue on Network Support for Grid Computing, Vol. 27, No. 14, September 2004.
[LA-UR 03-1807] (12 pages - postscript, 392K; PDF, 344K)
Enabling Compatibility Between TCP Reno and TCP Vegas.
W. Feng and S. Vanichpun.
IEEE Symposium on Applications and the Internet (SAINT 2003), Orlando, Florida, January 2003.
[LA-UR 01-6506] (Published Paper: 8 pages - postscript, 329K) (Technical Report: 11 pages - postscript, 360K)
On the Transient Behavior of TCP Vegas.
S. Vanichpun and W. Feng.
11th IEEE International Conference on Computer Communications and Networks (IC3N'02), Miami, Florida, October 2002.
[LA-UR 02-5522] (6 pages - postscript, 222K; PDF, 125K)
Performance Tradeoffs of TCP Adaptation Methods.
N. Rao and W. Feng.
IEEE International Conference on Networks (ICN'02), Atlanta, Georgia, August 2002
[LA-UR 02-3589] (electronic version unavailable).
A Case for TCP Vegas in High-Performance Computational Grids.
E. Weigle and W. Feng.
9th IEEE International Symposium on High-Performance Distributed Computing (HPDC'01), San Francisco, California, August, 2001.
[LA-UR 01-3420] (10 pages - postscript, 266K; PDF, 144K)
A Comparison of TCP Automatic-Tuning Techniques for Distributed Computing.
E. Weigle and W. Feng.
IEEE Symposium on High-Performance Distributed Computing (HPDC'02), Edinburgh, Scotland, July 2002.
[LA-UR 02-2492] (8 pages - postscript, 375K; PDF, 71K)
Presentation: Is TCP an Adequate Protocol for High-Performance Computing Needs?
W. Feng.
SC 2000: High-Performance Networking and Computing Conference (Panel at SC2000), Dallas, TX, 8 November 2000.
[LA-UR 00-6066] (14 pages - postscript, 796K; PDF, 113K)
Rate-Adjustment Algorithm for Aggregate TCP Congestion Control.
P. Tinnakornsrisuphap, R. Agrawal, and W. Feng.
Published only as a Los Alamos Unclassified Report
[LA-UR 00-4220] (11 pages - postscript, 1.7M; PDF, 317K)

HiPPI-800 and HiPPI-6400

From HiPPI-800 to HiPPI-6400: A Changing of the Guard and Gateway to the Future.
D. Tolmie, T. M. Boorman, A. DuBois, D. DuBois, W. Feng, and I. Philp.
6th International Conference on Parallel Interconnects. (PI'99), Anchorage, Alaska, October 1999.
[LA-UR 99-4450] (9 pages - postscript, 203K; PDF, 178K)
HIPPI-6400 -- Designing For Speed.
D. Tolmie.
High Performance Computing Systems.
[LA-UR 97-4906] (14 pages - postscript, 1.7M; PDF, 183K)

Networking Fundamentals/Trends

High-Performance Networking.
RADIANT team.
Informal SC2001 Pamphlet, Denver, Colorado, November 2001. [LA-UR 01-5675] (2 pages - PDF, 785K)
Why TCP Will Not Scale for the Next-Generation Internet.
E.Weigle, W. Feng, and M. Gardner.
11th IEEE Workshop on Local and Metropolitan Area Networks. (LANMAN 2001), Boulder, Colorado, March 2001.
[LA-UR 01-1039] (2 pages - postscript, 29K)

Optical Networking

Routing and Scheduling Large File Transfers over Lambda Grids.
A. Banerjee, W. Feng, D. Ghosal, and B. Mukherjee
The 3rd International Workshop on Protocols for Fast Long-Distance Networks (PFLDnet'05), Lyon, France, February 2005.
[LA-UR 05-7911] (5 pages - PDF, 576K)
Scheduling and Transport for File Transfers on High-Speed Optical Circuits.
M. Veeraraghavan, X. Zheng, W. Feng, H. Lee, E. Chong, and H. Li
Journal of Grid Computing, Vol. 1, No. 4, June 2004.
[LA-UR 04-2008] (18 pages - PDF,195K)
CHEETAH: Circuit-Switched High-Speed End-to-End Transport ArcHitecture.
M. Veeraraghavan, X. Zheng, H. Lee, M. Gardner, and W. Feng
SPIE/IEEE Optical Networking and Computer Communications Conference (OptiComm).
Best paper award. Dallas TX, October 2003. (12 pages - postscript, 16.4M; PDF, 3.5M)

Quadrics Interconnect

The Quadrics Network (QsNet): High-Performance Clustering Technology (extended version)
F. Petrini, W. Feng, A. Hoisie, S. Coll, and E. Frachtenberg
IEEE Micro January-February, 2002.
[LA-UR 01-4100] (12 pages- PDF, 171K).
The Quadrics Network (QsNet): High-Performance Clustering Technology
F. Petrini, W. Feng, A. Hoisie, S. Coll, and E. Frachtenberg
Proceedings of the 9th IEEE Hot Interconnects. (HotI'01), Palo Alto, California, August 2001.
(Selected for publication in IEEE Micro) [LA-UR 01-4100] (6 pages - postscript, 179K; PDF, 94K)
Performance Evaluation of the Quadrics Interconnection Network
F. Petrini, A. Hoisie, W. Feng, and R. Graham
Proceedings of the IEEE Workshop on Communication Architectures for Clusters (CAC'01), held in conjunction with IPDPS 2001, San Francisco, California, April 2001.
[LA-UR 00-5205] (14 pages - postscript, 5.1M; PDF, 719K)
Performance Evaluation of the Quadrics Interconnection Network
F. Petrini, A. Hoisie, W. Feng, and R. Graham.
Los Alamos Unclassified Report
[LA-UR 00-5205] (41 pages - postscript, 17.8M; PDF, 1.7M)

RAPID: Rate Adjusting Protocol for Internet Delivery

Packet Spacing: An Enabling Mechanism for the Delivery of Multimedia Content in Computational Grids (extended version)
A. Feng, A. Kapadia, W. Feng, and G. Belford
Journal of Supercomputing, Vol. 23, No. 1, August 2002.
[LA-UR 01-4904] (18 pages - postscript, 325K; PDF, 268K)
Packet Spacing: An Enabling Mechanism for the Delivery of Multimedia Content in Computational Grids
A. Feng, W. Feng, and G. Belford
2^nd Los Alamos Computer Science Institute Symposium (LACSI 2001), Santa Fe, New Mexico, October, 2001.
(Invited for publication in Journal of Supercomputing)
[LA-UR 01-4859] (10 pages - postscript, 315K; PDF, 170K)
The Effects of Inter-Packet Spacing on the Delivery of Multimedia Content
A. Kapadia, A. Feng, and W. Feng
21st International Conference on Distributed Computing Systems (ICDCS'01), Scottsdale, Arizona, April 2001.
[LA-UR 01-0904] (8 pages - postscript, 302K; PDF, 159K)

ST: Scheduled Transfer Protocol

The Scheduled Transfer (ST) Protocol.
I. R. Philp and Y.-L. Liong.
3rd International Workshop on Communication, Architecture, and Applications for Network-Based Parallel Computing (CANPC'99), Lecture Notes in Computer Science, Vol. 1602, January 1999.
(electronic version unavailable).

Smart Routers

GREEN: A Practical Solution for Ensuring Fairness in a Best-Effort Network
A. Kapadia, W. Feng, and R. Campbell.
Available as a Los Alamos Unclassified Report,
[LA-UR 03-2372] (12 pages - postscript, 3.1M; PDF, 597K)
GREEN: Proactive Queue Management over a Best-Effort Network
W. Feng, A. Kapadia, and S. Thulasidasan.
IEEE GlobeCom (GLOBECOM 2002), Taipei, Taiwan, November 2002.
[LA-UR 02-5524] (5 pages - postscript, 188K; PDF, 96K)
GREEN+IDMAPS: A Practical Solution for Ensuring Fairness in a Biased Internet.
A. Kapadia, S. Thulasidasan, W. Feng.
Available as Los Alamos Unclassified Report [LA-UR 02-6126] (electronic version unavailable).

10-Gigabit Ethernet

Analyzing MPI Performance over 10-Gigabit Ethernet.
J. Hurwitz and W. Feng
Journal of Parallel and Distributed Computing, Special Issue: Design and Performance of Networks for Super-, Cluster-, and Grid-Computing, Vol. 65, No. 10, October 2005.
[LA-UR 05-2010] (8 pages - PDF, 210K)
Head-to-TOE Evaluation of High-Performance Sockets over Protocol Offload Engines.
P. Balaji, W. Feng, Q. Gao, R. Noronha,W. Yu, and D. Panda
The 7th IEEE International Conference on Cluster Computing (CLUSTER'05), Boston, MA, September 2005.
[LA-UR 05-4148] (10 pages - PDF, 481K)
Performance Characterization of a 10-Gigabit Ethernet TOE.
W. Feng, P. Balaji, and C. Baron
The 13th IEEE International Symposium on High-Performance Interconnects (Hot Interconnects), Palo Alto, CA, August 2005.
[LA-UR 05-2635] (6 pages - PDF, 143K)
End-to-End Performance of 10-Gigabit Ethernet on Commodity Systems.
J. Hurwitz and W. Feng
IEEE Micro, Vol. 24, No. 1, January-February 2004.
[LA-UR 04-0743] (13 pages - PDF, 193K)
Optimizing 10-Gigabit Ethernet for Networks of Workstations, Clusters and Grids: A Case Study.
W. Feng, G. Hurwitz, H. Newman, S. Ravot, L. Cottrell, O. Martin, F. Coccetti, C. Jin, D. Wei, and S. Low
SC2003: High-Performance Networking and Computing Conference, Phoenix AZ, November 2003.
[LA-UR 03-5728] (13 pages - postscript, 412K; PDF, 172K)
Initial End-to-End Performance Evaluation of 10-Gigabit Ethernet.
G. Hurwitz and W. Feng.
IEEE Hot Interconnects: A Symposium on High-Performance Interconnects, Palo Alto, California, August 2003.
[LA-UR 03-2713] (6 pages - postscript, 198K; PDF, 66K)

MAGNET: Monitoring Apparatus for General kerNel Event Tracing

A High-Fidelity Software Oscilloscope for Globus (extended abstract).
M. Gardner, W. Deng, T.S. Markham, C. Mendes, W. Feng, and D. Reed
GlobusWorld 2004, San Francisco, CA, January 2004.
[LA-UR 03-7681] (2 pages - postscript, 73K; PDF, 33K)
MAGNET: A Tool for Debugging, Analysis and Adaptation in Computing Systems.
M. Gardner, W. Feng, M. Broxton, A Engelhart, and G. Hurwitz
3rd IEEE/ACM International Symposium on Cluster Computing and the Grid (CCGrid'2003), Tokyo, Japan, May 2003.
[LA-UR 02-7170] (8 pages - postscript, 2.7M; PDF, 503K)
MUSE: A Software Oscilloscope for Clusters and Grids,
M. Gardner, M. Broxton, A. Engelhart, and W. Feng.
17th IEEE International Parallel and Distributed Processing Symposium (IPDPS 2003), Nice, France, April 2003
[LA-UR 02-7169] (8 pages - postscript, 3.0M; PDF, 651K)
The MAGNeT Toolkit: Design, Evaluation, and Implementation (extended version).
W. Feng, M. Gardner, and J. Hay.
Journal of Supercomputing, Vol. 23, No. 1, August 2002, pp. 67-79. (final version)
[LA-UR 01-4843] (15 pages - postscript, 239K; PDF, 171K)
The MAGNeT Toolkit: Design, Evaluation, and Implementation.
J. Hay, W. Feng, and M. Gardner.
2^nd Los Alamos Computer Science Institute Symposium (LACSI 2001), Santa Fe, New Mexico, October, 2001.
[LA-UR 01-4843] (10 pages - postscript, 241K; PDF, 113K)
Monitoring Protocol Traffic with a MAGNeT.
M. Gardner, W. Feng, and J. Hay.
Passive and Active Measurement Workshop (PAM2002), Fort Collins, Colorado, Mar. 2002.
[LA-UR 02-0808] (10 pages - postscript, 244K; PDF, 83K)
Capturing Network Traffic with a MAGNeT.
J. Hay, W. Feng, and M. Gardner
5th Annual Linux Showcase and Conference (ALS'01), Oakland, California, November 2001.
[LA-UR 01-5065] (10 pages - postscript, 179K) (SC2001 Pamphlet LA-UR 01-5656: 2 pages - PDF, 260K)
MAGNeT: Monitor for Application-Generated Network Traffic
W. Feng, J. Hay, and M. Gardner
10th International Conference on Computer Communication and Networking (IC³N'01), Scottsdale, Arizona, October 2001.
[LA-UR 01-5063] (6 pages - postscript, 170K; PDF, 85K)

Network Traffic Characterization

Q-Composer and CpR: A Probabilistic Synthesizer and Regulator of Traffic.
S. Ayyorgun, S. Vanichpun, and W. Feng
The 24th IEEE Conference on Computer Communications (INFOCOM'05), Miami, FL, March 2005.
(13 pages - PDF, 459K)
A Systematic Approach for Providing End-to_end Probabilistic QoS Guarantee.
S. Ayyorgun and W. Feng
The 13th IEEE International Conference on Computer Communications and Networks (IC3N'04), Chicago, IL, October 2004.
[LA-UR 03-7267] (8 pages - PDF, 297K)
A Deterministic Characterization of Network Traffic for Average Performance Guarantee.
S. Ayyorgun and W. Feng
The 38th Annual Conference on Information Sciences and Systems (CISS'04), Princeton, NJ, March 2004.
[LA-UR 03-4477] (9 pages - PDF, 271K)
Interference Control at Packet-level in Wireless Networks with Quality of Service Support.
S. Ayyorgun and R. Cruz
Available as Los Alamos Unclassified Report, October 2003.
[LA-UR 03-8012] (11 pages - postscript, 254K)
A Restricted Matching Problem on Bipartite Graphs.
S. Ayyorgun and W. Feng
Available as Los Alamos Unclassified Report, September 2003.
[LA-UR 03-7269] (11 pages - postscript, 254K)
A New Traffic Model and Its Implications over Multiplexers and Switches.
S. Ayyorgun and W. Feng
Available as Los Alamos Unclassified Report, September 2003.
[LA-UR 03-7268] (12 pages - postscript, 254K)
A Systematic Approach to Probablistic Quality of Service Guarantees in Communication Networks.
S. Ayyorgun and W. Feng.
Available as Los Alamos Unclassified Report, September 2003.
[LA-UR 03-7267] (9 pages - postscript, 402K)
A Deterministic Definition of Burstiness for Network Traffic Characterization.
S. Ayyorgun and W. Feng.
Available as Los Alamos Unclassified Report
[LA-UR 03-4477] (29 pages - PDF, 303K)
A Service Curve Model with Loss.
S. Ayyorgun and R. Cruz.
Available as Los Alamos Unclassified Report
[LA-UR 03-3939] (31 pages - PDF, 338K)
A Probabilistic Definition of Burstiness Characterization.
S. Ayyorgun and W. Feng.
Available as Los Alamos Unclassified Report
[LA-UR 03-3668] (23 pages - PDF, 280K)
The Failure of TCP in High-Performance Computational Grids.
W. Feng and P. Tinnakornsrisuphap.
SC 2000: High-Performance Networking and Computing Conference (SC2000), Dallas, Texas, November 2000.
[LA-UR 00-3765] (11 pages - postscript, 2.6M; PDF, 288K)
The Adverse Impact of the TCP Congestion-Control Mechanism in Heterogeneous Computing Systems.
W. Feng and P. Tinnakornsrisuphap.
29th International Conference on Parallel Processing (ICPP'00), Toronto, Canada, August 2000.
[LA-UR 00-2554] (8 pages - postscript, 289K; PDF, 200K)
On the Burstiness of the TCP Congestion-Control Mechanism in a Distributed Computing System.
P. Tinnakornsrisuphap, W. Feng, and I. Philp.
20th International Conference on Distributed Computing Systems (ICDCS'00), Taipei, Taiwan, April 2000.
[LA-UR 00-0481] (8 pages - postscript, 401K; PDF, 219K)

Network Traffic Traces

Currently no publications are publicly available for this research area.

TICKET: Traffic Information Collection Kernel with Exact Timing

TICKETing High-Speed Traffic with Commodity Hardware and Software.
E. Weigle and W. Feng
Passive & Active Measurement Workshop (PAM2002), Fort Collins, Colorado, March 2002.
[LA-UR 02-0809] (11 pages - postscript, 228K; PDF, 115K)

Bioinformatics

Green Destiny + mpiBLAST = Bioinfomagic
W. Feng
10th International Conference on Parallel Computing (ParCo), September 2003.
[LA-UR 03-6651] (6 pages - postscript, 498K; PDF, 203K)
The Design, Implementation, and Evaluation of mpiBLAST
A. Darling, L. Carey, and W. Feng
ClusterWorld Conference & Expo and the 4th International Conference on Linux Cluster: The HPC Revolution 2003 San Jose, California, June 2003. Best Paper: Applications Track.
[LA-UR 03-2862] (14 pages - postscript, 5.2M; PDF, 3.1M)
BLASTing Off with Green Destiny.
A. Darling and W. Feng.
IEEE Computer Society Bioinformatics Conference, (CSB'02), Palo Alto, California, August 2002.
[LA-UR 02-5598] (1 page - PDF, 31M)
mpiBLAST: Parallelization of BLAST for Computational Clusters, A. Darling and W. Feng.
SC 2002: High-Performance Networking and Computing Conference (SC2002), Baltimore, Maryland, November 2002.
[LA-UR-02-7222] (1 page - PDF, 1.2M)

BCS: Buffered Co-scheduling

Time-Sharing Parallel Jobs in the Presence of Multiple Resource Requirements.
F. Petrini and W. Feng.
6th International Workshop on Job Scheduling Strategies for Parallel Processing, Lecture Notes in Computer Science, Vol. 1911, May 2000.
[LA-UR 00-6023] (19 pages - postscript, 523K)
Improved Resource Utilization with Buffered Coscheduling
F. Petrini and W. Feng.
Journal of Parallel Algorithms & Applications (Special Issue), 2000.
[LA-UR 00-3476] (18 pages - postscript, 756K)
Scheduling with Global Information in Distributed Systems.
F. Petrini and W. Feng.
20th International Conference on Distributed Computing Systems. (ICDCS'00), Taipei, Taiwan, April 2000.
[LA-UR 00-0894] (8 pages - postscript, 541K; PDF, 248K)
Buffered Coscheduling: A New Methodology for Multitasking Parallel Jobs on Distributed Systems.
F. Petrini and W. Feng.
14th International Parallel & Distributed Processing Symposium. (IPDPS'00), Cancun, Mexico, May 2000.
[LA-UR 00-0892] (6 pages - postscript, 518K; PDF, 203K)
Efficient Resource Utilization on a Massively Parallel Systems.
F. Petrini and W. Feng.
7th International Conference on Advanced Computing & Communications . (ADCOM'99), Roorkee, India, December 1999.
[LA-UR 99-4930] (5 pages - postscript, 574K)
Gang Scheduling with Lightweight User-Level Communication.
E. Frachtenberg, F. Petrini, S. Coll, and W. Feng.
Workshop on Scheduling and Resource Management for Cluster Computing (in conjunction with the ICPP01) (SRMCC 2001), Valencia, Spain, September 2001.
[LA-UR 01-3025] (8 pages - postscript, 176K; PDF, 82K)

Supercomputing in Small Spaces

A Power-Aware Run-Time System for High-Performance Computing.
C. Hsu and W. Feng
SC|05: The ACM/IEEE International Conference on High-Performance Computing, Networking, and Storage, Seattle, WA November 2005.
[LA-UR 05-5650] (9 pages - PDF 391K)
A Feasibility Analysis of Power Awareness in Commodity-Based High-Performance Clusters.
C. Hsu and W. Feng
The 7th IEEE International Conference on Cluster Computing (CLUSTER'05), Boston, MA, September 2005.
[LA-UR 05-5649] (10 pages - PDF 210K)
The Importance of Being Low Power in High-Performance Computing.
W. Feng
CTWatch Quarterly, Vol. 1, No. 3, August 2005.
[LA-UR 05-6100] (11 pages - PDF 3.3M)
Reducing Overheating-Induced Failures via Performance-Aware CPU Power Management.
C. Hsu and W. Feng
The 6th International Conference on Linux Clusters: The HPC Revolution 2005, April 2005.
[LA-UR 05-1581] (11 pages - PDF 147K)
Towards Efficient Supercomputing: A Quest for the Right Metric.
C. Hsu, W. Feng, and J. Archuleta
IEEE Workshop on High-Performance, Power-Aware Computing in conjunction with the IEEE International Parallel and Distributed Processing Symposium, April 2005.
[LA-UR 05-0936] (8 pages - PDF 210K)
When Discreteness Meets Continuity: Energy-Optimal DVS Scheduling Revisited.
C. Hsu and W. Feng
Available as Los Alamos Unclassified Report, February 2005.
[LA-UR 05-3104] (8 pages - PDF 169K)
Effective Dynamic Voltage Scaling through CPU-Boundedness Detection.
C. Hsu and W. Feng
Lecture Notes in Computer Science, volume 3471.
[LA-UR 04-7195] (15 pages - PDF 201K. This paper is an extended version of a paper that appeared in the 4th IEEE/ACM Workshop on Power-Aware Computer Systems in conjunction with the 37th IEEE/ACM International Symposium on Microarchitecture, Portland, OR, December 2004.
Green Destiny and Its Evolving Parts.
W. Feng and C. Hsu
Innovative Supercomputer Architecture Award, The 19th International Supercomputer Conference,
Heidelberg, Germany, June 2004.
[LA-UR 04-3556] ( PDF 300K)
The Origin and Evolution of Green Destiny.
W. Feng and C. Hsu
IEEE Cool Chips VII: An International Symposium on Low-Power and High-Speed Chips, Yokohama, Japan, April 2004.
[LA-UR 04-1924] ( PDF 3714K)
Making the Case for Efficient Supercomputing.
W. Feng ACM Queue, October 2003.
[LA-UR 03-6901] (11 pages - PDF, 810K)
The Design, Implementation, and Evaluation of a Compiler Algorithm for CPU Energy Reduction.
C. Hsu and U. Kremer
The ACM SIGPLAN Conference on Programming Language Design and Implementation (PLDI), June 2003.
(11 pages - PDF 206K. This work was done while Dr. Hsu was at Rutgers University.)

High-Density Computing: A 240-Node Beowulf in One Cubic Meter

M. Warren, E. Weigle, and W. Feng.
SC2002: High-Performance Networking and Computing Conference (SC2002), Baltimore, Maryland, November 2002.
[LA-UR 02-5194] (11 pages - postscript, 4.5M; PDF, 1.6M) (SC2001 Pamphlet [LA-UR 01-5736]: 2 pages - PDF, 3.2M)
The Bladed Beowulf: A Cost-Effective Alternative to Traditional Beowulfs.
W. Feng, M. Warren, and E. Weigle.
IEEE Cluster 2002, (CLUSTER 2002), Chicago, Illinois, September 2002.
[LA-UR 02-2582] (10 pages - postscript, 2.4M; PDF, 9.4M)
Honey, I Shrunk the Beowulf!.
W. Feng, M. Warren, and E. Weigle.
International Conference on Parallel Processing, (ICPP 2002), Vancouver, Canada, August 2002.
[LA-UR 02-1210] (8 pages - postscript, 703K; PDF, 744K)

IRIS: Inter-Realm Infrastructure for Security

Securing Wireless Communication in Heterogeneous Environments.
W. Feng.
IEEE Symposium on Military Communications (MILCOM 2002), Los Angeles, California, October 2002.
[LA-UR 02-5523] (electronic version unavailable).
A General Security Infrastructure for Wireless Communication.
W. Feng and J. Al-Muhtadi.
IEEE International Conference on Networks (ICN 2002), Atlanta, Georgia, August 2002.
[LA-UR 02-3582] (electronic version unavailable).
An Inter-Realm, Cyber-Security Infrastructure for Virtual Supercomputing
J. Al-Muhtadi, W. Feng, and M. Fisk
2^nd Annual Los Alamos Computer Science Institute Symposium. (LACSI 2001), Santa Fe, New Mexico, October 2001.
[LA-UR 01-4860, LA-UR 01-5757, LA-UR 02-3313] (paper: electronic version unavailable). (SC2001 pamphlet: 2 pages - PDF 400K)

Real-Time Systems

Probabilistic Analysis and Scheduling of Critical Soft Real-Time Systems.
M. Gardner.
Thesis; University of Illinois, September 1999.
[Based on research performed at UIUC] (205 pages - postscript, 3.4M; PDF, 1.3M)
Dynamic Client-Side Scheduling in a Real-Time CORBA System.
W. Feng.
23rd International Computer Software & Applications Conference. . (COMPSAC'99), Phoenix, Arizona, October 1999.
[Based on research performed at UIUC] (2 pages - postscript, 217K)
The Design of an Open Real-Time System Using CORBA.
W. Feng.
1st International Workshop on Multimedia Network Systems (MNS'99), Aizu, Japan, September 1999.
[Based on research performed at UIUC] (6 pages - postscript, 301K)
Performance of Algorithms for Scheduling Real-Time Systems with Overrun and Overload.
M. Gardner and J.W.S. Liu.
11th Euromicro Conference on Real-Time Systems. (ERTS), York, England, June 1999.
[Based on research performed at UIUC] (10 pages - postscript, 264K; PDF, 160K)
Analyzing Stochastic Fixed-Priority Real-Time Systems.
M. K. Gardner and J.W.S. Liu.
5th International Conference on Tools and Algorithms for the Construction and Analysis of Systems, Joint European Conferences on Theory and Practice of Software. Also in Lecture Notes in Computer Science, Vol. 1579, March 1999.
[Based on research performed at UIUC] (15 pages - postscript, 319K)
Extending CORBA for Soft Real-Time Applications.
W. Feng.
Proc. of the International Conference. on Networks & Communication Systems, May 1998.
[Based on research performed at UIUC] (electronic version unavailable).
Providing for an Open Real-Time CORBA.
W. Feng, U. Syyid, and J. W. S. Liu.
Proc. of the IEEE Workshop on Middleware for Distributed Real-Time Systems and Services, December 1997.
[Based on research performed at UIUC] (6 pages - postscript, 106K)
Bounding Completion Times of Jobs with Arbitrary Release Times, Variable Execution Times, and Resource Sharing.
J. Sun, M. K. Gardner, J.W.S. Liu.
IEEE Transactions on Software Engineering, Vol. 23, No. 10, October 1997
[Based on research performed at UIUC] (14 pages - postscript, 479K)
Algorithms for Scheduling Real-Time Tasks with Input Error and End-to-End Deadlines.
W. Feng and J. W. S. Liu.
IEEE Transactions on Software Engineering, February 1997.
[Based on research performed at UIUC] (Draft: 33 pages - postscript, 262K) (Final: 14 pages - PDF, 239K)

Completed Projects

Network Interface Cards (NICs) as First-Class Citizens.
W. Feng, R. Minnich, F. Petrini.
Talk. [LA-UR 01-1733] (10 pages - PDF, 41K)
Prototyping an Earth System Grid.
S. Hammond et al
(Work done outside of LANL) (36 pages - PDF, 347K)

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