Hensgen, Debra

Calhoun, Institutional Archive of the Naval Postgraduate School

Calhoun: The NPS Institutional ArchiveDSpace RepositoryHistory of Naval Postgraduate School Biographies1997Resume of Debra Hensgen, 1997Hensgen, DebraMonterey, California:  Naval Postgraduate Schoolhttp://hdl.handle.net/10945/53164This publication is a work of the U.S. Government as defined in Title 17, UnitedStates Code, Section 101. Copyright protection is not available for this work in theUnited States.Downloaded from NPS Archive: Calhoun~ => Research Areas Debra Hensgen Associate Professor (408) 656-1074 hensgen@cs.nps.navy. Parallel and distributed heterogeneous computing, particu-larly software architec1ures for resource management and tools that aid applications m using concurrency effectively. Research Descriptions Professor Hensgen is one of lhe Principal Investigators for the Management System for Heterogeneous Ne1works (MSHN) Project, sponsored by DARPA under its Quorum Project. This research for MSHN is conducted by several faculty members here at NPS (Hensgen, l(jdd, and lrvme), staff and students here at NPS, as well as researchers at NRaD, Purdue, and the University of Southern California. The goal of MSHN is to deliver good end-to-end quality of service to users in environments where both the heteroge-neous resources and user set are dynamically changing. MSHN will serve a mixture of applications ranging from compute-intensive to I/0-inlensive to interactive and real-time. Professor Hensgen 's main area of research within the MSHN project is prioritized management of the multi-ple shared resources. In particular, it is extremely impor-tant to carefully model various classes of shared computing resources which differ greatly from other resources which we typically share. In addition to the MSHN project, Professor Hcnsgen and some of her students participate in NRaD's SmartNet project. a scheduling advisor for heterogeneous compu1mg resources. SmartNel has been used within DoD for com· pule-intensive jobs and 1he NPS team is currenll~ ln\CSll · gating something similar for communication -m1ens1ve jobs. With her students, Professor Hensgen has also built Graze, a graphical, performance debugger for parallel compuung and Concurra, a software system that generates multi · Faculty Research Catalog .. ---- ·----threaded applications whose concurrency is provably cor-rect and which are free from deadlock. One of her current students is investigating the use of Graze to monitor Java programs as well as its use in detemtlning when certain compiler directives should be used with automatically par-allelizing compilers. This will be useful to applications being written for FLEE'INUMERIC and the Pacific Disas-ter Center. Relevance To DoD/DoN Dr. Hensgen's research is relevant in the long range to DoD as well as very immediately. In particular, one com-ponent of the MSHN project applies directly to adaptive communication-intensive applications. Ideas developed in this research are being applied in the Joint Task Force -Advanced Technology Demonstration project that focuses on the ability to support planning in military and civilian emergencies. In addition, some of the heterogeneous scheduling technology she helped to develop is being applied to scheduling of virtua1 ATM channels in the Bat-tlefield Awareness and Data Dissemination Project. Smart scheduling of these heterogeneous channels is necessary in order to guarantee timely information to the warfighter through the WFA (\\'arfighter Associate workstation). Recent Publications Moore, Hensgen, Charley,. Wilsey, and Krishnaswamy, "Graze: A Tool for Performance Visualization and Analy-sis", International Conference on Parallel Processing , 1995. Freund, R., Kidd, T.. Hensgen, D .. Moore, L., Campbell, M., Halderman, M., and Gherrity. M ., "SmartNet: A Scheduling Frame.,.. ork for Heterogeneous Computing," Proceedings for the Third International Symposium on Parallel Architeclllres, Algoritluns and Networks, Beijing, China, June 12-14. 1996. pp. 514-521. Moore, Janakiraman, Hensgen, Armstrong, Kidd, Lima, Kussow, Halderman. Freund, \Vallace, and Peterson, "Sys-tem Software Developers Desperately Need Beller Simu-lation Tools", Wes tern Simulation Multiconfcrence, Phoenix, Arizona, January 12- 15, 1997. N.B . Abu-Ghazaleh, P. A. Wilsey, X . Fan, and D. A. Hens-gen, "Synthesizing Vari able In struction Issue Interpreters for Implementing Funcuonal Parallelism on SIMD Com-puters", IEEE Tra11sac11011s 011 Parallel and Distributed Systems, April 1997 16 

Resume of Debra Hensgen, 1997

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Resume of Debra Hensgen, 1997

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Calhoun, Institutional Archive of the Naval Postgraduate School