Participants in the Ptolemy Project

• Principal Investigators
• Staff
• Postdoctoral researchers and visiting scholars
• Graduate students
• Undergraduate students
• Primary outside participants
• Other contributors

Principal Investigators

Edward A. Lee (eal@eecs.berkeley.edu)

Director

David G. Messerschmitt (messer@eecs.berkeley.edu)

Co-Director

Staff

Christopher Hylands (cxh@eecs.berkeley.edu)

Ptolemy manager, release management, GNU tools, octtools, vem, Tcl/Tk, Tycho, system administration

Fiona Sinclair (fiona@eecs.berkeley.edu)

Grant administration, Administrative assistant

Mary P. Stewart (marys@eecs.berkeley.edu)

System administration

Postdoctoral Researchers and Visiting Scholars

John Reekie (johnr@eecs.berkeley.edu)

Functional language theory and compilers, parallel implementations of signal processing algorithms, graphical user interfaces, Tycho

Full-Time Graduate Students

John Davis, II (davisj@eecs.berkeley.edu)

Mutable systems, higher order functions

Ron Galicia (galicia@eecs.berkeley.edu)

Embedded multicomputing, real-time computer vision and image processing, hardware/software codesign

Mudit Goel (mudit@eecs.berkeley.edu)

Adaptive Digital Signal Processing

Michael Goodwin (michaelg@eecs.berkeley.edu)

Audio signal processing, time-frequency analysis and synthesis, computer music

Bilung Lee (bilung@eecs.berkeley.edu)

Image and video processing, telecommunications software

William Li (wli@eecs.berkeley.edu)

Collaborating instances of Ptolemy, The Infopad Project

Jie Liu (liuj@eecs.berkeley.edu)

Distributed Adaptive Signal Processing Systems

Neil Smyth (nsmyth@eecs.berkeley.edu)

Redevelopment of Ptolemy kernel in Java

Michael C. Williamson (cameron@eecs.berkeley.edu)

Generating timed circuits from dataflow graphs, VHDL modeling, VHDL domain

Yuhong Xiong (yuhong@eecs.berkeley.edu)

Type System

Undergraduate students

Primary Participants Outside of the Ptolemy Project

Neal Becker (Comsat Laboratories) (neal@ctd.comsat.com)

SDF stars, HP port, Complex class

Shuvra S. Bhattacharyya (Hitachi America, Ltd.) (shuvra@halsrl.com)

Uniprocessor and multiprocessor scheduling, optimization of generated assembly code, interprocessor communication, Tycho, Master's Student 1988-1989 and Ph.D. Student 1991-1994

Joseph T. Buck (Synopsys, Inc.) (jbuck@synopsys.com)

Boolean dataflow, Ptolemy kernel, Linux port, ptcl, ptlang, scheduling, Motorola DSP assembly code generation, Ph.D. Student 1989-1993

Wan-Teh Chang (Netscape Communications)

Hierarchical finite-state machine controllers, telecommunications software, graphical user interfaces, higher-order functions, Ptolemy kernel, Tycho

William Chen (Columbia University) (bchen@ctr.columbia.edu)

Native signal processing on the UltraSparc

Stephen Edwards (Simplex Solutions) (sedwards@eecs.berkeley.edu)

Hierarchical finite state machines, Statecharts, Esterel, Esterel compilers

Brian L. Evans (The University of Texas at Austin) (bevans@ece.utexas.edu)

Algorithm design, multidimensional signal processing, educational software, graphical user interfaces, Ptolemy Matlab/Mathematica interfaces, Tycho, Post-Doctoral Researcher 1993-1996

Alain Girault (INRIA) (girault@eecs.berkeley.edu)

Synchronous languages, formal models for concurrent computations, distributed computing, Visiting Post-Doctoral Researcher 1995-1996

Soonhoi Ha (Seoul National University) (sha@snucom.snu.ac.kr)

Scheduling, dynamic dataflow, discrete-event domain, code generation, Ph.D. Student 1988-1992

Asawaree Kalavade (Bell Labs) (kalavade@bell-labs.com)

Hardware/software partitioning and codesign, design methodology management, Thor, Silage, and design methodology management domains, Ph.D. Student 1990-1995

Tom Lane (Structured Software Systems) (tgl@sss.pgh.pa.us)

HP Port, many improvements to pigi and the kernel.

Praveen K. Murthy (murthy@eecs.berkeley.edu)

Scheduling, code generation, multidimensional dataflow, semantical issues in dataflow

Thomas M. Parks (MIT Lincoln Labs) (parks@ll.mit.edu)

Real-time computing, process networks, higher-order functions, code generation in C domain, Ph.D. Student 1990-1995

Rajagopal Nagarajan (Department of Computing, Imperial College, London ) (R.Nagarajan@doc.ic.ac.uk)

Logic, concurrency, programming language semantics, specification and verification.

Eric K. Pauer (Sanders, a Lockheed Martin Company) (pauer@sanders.com)

Architecture Trade Application

José Luis Pino (Hewlett Packard, EEsof Division) (jpino@wlv.hp.com)

Multiprocessor scheduling, code generation for heterogeneous DSP systems, hierarchical scheduling, Motorola DSP assembly code generation, cosimulation, user interfaces

Sunil Samel (IMEC) (samel@imec.be)

HP port

S. Sriram (Texas Instruments) (sriram@hc.ti.com)

Parallel architectures, interprocessor communication, scheduling theory, Motorola DSP assembly code generation, Ph.D. Student 1990-1995

Richard S. Stevens (Naval Research Laboratory) (dstevens@eecs.berkeley.edu)

Models and multiprocessor scheduling of dynamic dataflow computation, Processing Graph Method Navy standard

Stefan De Troch (IMEC) (detroch@imec.be)

HP port

Xavier Warzee (Thomson CSF) (warzee@sctf.thomson-csf.fr)

ArrayOL domain, IBM RS/6000 port, Ptolemy evaluation

Other Contributors

Raza Ahmed (Tektronix Inc.) (razaa@master.cna.tek.com)

Heuristic search packages for Mathematica, implementation cost target, Undergraduate researcher 1996

Egbert Ammicht (AT&T) (E.Ammicht@att.com)

DSP3 code generation

Sunil Bhave (sunil@eecs.berkeley.edu)

Audio interfaces and formats in Ptolemy, Undergraduate Researcher 1996-1997

Anindo Banerjea (banerjea@cs.berkeley.edu)

Discrete-event scheduling

John Barry (Georgia Institute of Technology) (john.barry@ee.gatech.edu)

Optical communications, Ph.D. Student 1986-1992

Neal Becker (Comsat Laboratories) (Neal.Becker@comsat.com)

HP and Linux port, incremental linking development, user contributed stars.

Jeff C. Bier (Berkeley Design Technology, Inc.) (jeff@bdti.com)

Motorola DSP assembly code generation, Gabriel, Master's Student 1988-1989

Philip Bitar

Discrete-event domain, graphical user interface

Michael Bosse (Boston University) (zanj@bu.edu)

Tcl/Tk visualization in the IPUS domain (Integrated Processing and Understanding of Signals)

Rachel Bowers

Ptolemy demonstrations

Bill Bush

Vem schematic interface

Andrea Casotto

Vem schematic interface

Michael J. Chen (Geoworks) (mchen@geoworks.com)

Multidimensional dataflow and signal processing, Master's Student 1993-1994

Kang Ngee Chia (UCLA) (kangngee@ee.ucla.edu)

Code generation in C, Undergraduate Researcher Summer 1995

Cliff Cordeiro (cliffc@eecs.berkeley.edu)

Interactive documentation

Gyorgy Csertan (Technical University of Budapest)

Converted Ptolemy 0.5.1 documentation to on-line hypertext HTML format

Rolando Diesta (diesta@eecs.berkeley.edu)

Discrete-event applications, networks, Graduate Student 1991-1995

Peter Dufault (HD Associated, Inc.) (dufault@hda.com>)

FreeBSD port

Chandan Egbert

Beta testing

Dirk Forchel (Technical University Dresden, Fraunhofer Institute of Microelectronic Circuits and Systems) (df2@inf.tu-dresden.de and forchel@imsdd.fhg.de)

Code Generation for the Dynamic Dataflow Domain (CGDDF) and Linux port

Yair Enden (Motorola)

Fix-point blocks in the CGC domain

Martha Fratt

Speech processing, Gabriel, Master's student 1989-1990

Edwin E. Goei (Sun) (edg@eng.sun.com)

Vem schematic interface

Mike Grimwood

Digital infrared communication links, Gabriel, Master's student 1989-1990

Steve X. Gu (Nortel, formerly Northern Telecom) (stevegu@ntmtv.com)

Tcl/Tk interface to Mathematica, educational software, software for wireless communications systems, Undergraduate Researcher 1994-1995

Luis Gutierrez (luisgm@.eecs.berkeley.edu)

Motorola 56000 Code Generation Stars, Texas Instruments C50 Domain, real-time video processing in embedded systems, Undergraduate Researcher 1996-1997