Basic HTML version of Foils prepared 8 January 98

Foil 55 PetaSoft Findings 5) and 6) -- Layered Software

From General NPAC Foils-B starting June97(PowerPoint) Beijing and Chang Sha China -- 28 Dec 97 to 5 Jan 98. by Geoffrey C. Fox
5)One needs a layered (hierarchical) software model which supports an efficient use of multiple levels of abstraction in a single program.
  • Higher levels of Programming model hide extraneous complexity
  • highest layers are application dependent Problem Solving Environments and lower levels are machine dependent
  • Lower levels can be accessed for additional performance
  • e.g. HPF Extrinsics. Gcc ASM, MATLAB Fortran Routines, Native classes in Java
6)One needs a set of software tools which match the layered software (programming model)
  • Debuggers, Performance and load balancing tools

© Northeast Parallel Architectures Center, Syracuse University, npac@npac.syr.edu

If you have any comments about this server, send e-mail to webmaster@npac.syr.edu.

Page produced by wwwfoil on Fri Jan 9 1998