At Dartmouth his research interests included multiprocessor operating systems, high-performance file systems, performance analysis, tools for developing parallel applications, and distributed object technology. Specifically,

• Parallel File System Workload Characterization
• The Galley Parallel File System
• Simulator for an HP 97560 hard drive

Papers

• Galley: A New Parallel File System for Scientific Applications
  • PhD Thesis - in a space saving, non-official format: 149 pages (503647 bytes).
• Dynamic File-Access Characteristics of a Production Parallel Scientific Workload
  Results from iPSC/860 at NASA Ames.
  • 1994 TR Revised 8/3/94.
  • Supercomputing '94
  • IEEE Parallel and Distributed Technology
• Characterizing Parallel File-Access Patterns on a Large-Scale Multiprocessor
  Results from CM-5 at NCSA.
  • 1994 TR
  • IPPS '95
• Low-level Interfaces for High-level Parallel I/O
  • 1995 TR
  • IOPADS at IPPS '95
  • Also appears in Input/Output in Parallel and Distributed Computer Systems from Kluwer Publishers.
• File-Access Characteristics of Parallel Scientific Workloads
  • a compilation of material from the IEEE PD&T paper and the IPPS '95 paper, with additional analysis.
  • 1995 TR, To appear in IEEE TPDS
• The Galley Parallel File System
  • This paper is a combination of the two papers below, with updated performance results.
  • Parallel Computing Special Issue on I/O.
  • 1996 TR
• The Galley Parallel File System
  • ICS '96
  • Slides from the ICS presentation (postscript).
• Performance of the Galley Parallel File System
  • IOPADS '96.
  • Slides from the IOPADS presentation (postscript) .
• Flexibility and Performance of Parallel File Systems
  • ACM Operating Systems Review