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University of Washington: George Lake, Tom Quinn, Joachim Stadel McMaster University: James Wadsley Pittsburgh Supercomputing Center: Jeffrey P. Gardner University of Maryland: Derek C. Richardson.

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Presentation Transcript
slide1
University of Washington:

George Lake, Tom Quinn, Joachim Stadel

McMaster University:

James Wadsley

Pittsburgh Supercomputing Center:

Jeffrey P. Gardner

University of Maryland:

Derek C. Richardson

Gasolineis a multi-platform, massively parallel N-body tree code used to simulate a variety of astrophysical processes

slide2
Applications

Formation of Disk (Spiral) Galaxies

Governato, Mayer, Wadsley, Gardner, et al., Astroph. J., 2003

slide3
Applications

Tidal Stirring of Dwarf Galaxies

Governato, Mayer, Wadsley, et al., Astroph. J., 2001

slide4
Applications

The Cosmic Microwave Background &

The Sunyaev-Zel’dovich Effect

Bond, Ruetalo, Wadsley, et al., Astro-ph/0112499, 2001

slide5
Applications

Gas Giant Planet Formation

Mayer, Quinn, Wadsley, & Stadel, Astroph. J., 2004

slide6
Applications

Intracluster Light Emmision

Willman, Governato, Wadsley, & Quinn, Mon. Notices Royal Ast. Soc., 2004

Galaxy Cluster X-Ray Emmisions

Borgani, Governato, Wadsley, et al., Mon. Notices Royal Ast. Soc., 2002

slide7
GASOLINE has been ported to nearly every parallel platform in existence during the last 10 years:
  • PVM
  • MPI
  • KSR
  • T3D/E Shmem
  • Convex Exemplar
  • POSIX Threads
  • Quadrics Shmem
  • XT3! (MPI)
slide8
Parallel Thread

Parallel Thread

GASOLINE

GASOLINE

MDL

MDL

GASOLINE is able to adapt to new architectures by conducting all parallel operations though a Machine Dependent Library (MDL) that contains all machine-specific parallel functions.

Communication

The MDL is rewritten for each architecture, allowing GASOLINE to take advantage of the strength of each new generation of parallel machines!

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