Basic HTML version of Foils prepared August 4 1996

Foil 20 Language Related Issues

From Summary of Working Groups at PAWS and PetaSoft Meetings PAWS(Mandalay Beach) and PetSoft(Bodega Bay) -- April 23 and June 17-19,96. by Geoffrey C. Fox
Need to prefetch irregular data
Move regular and irregular data between levels of memory
The Compiler User Interface needs hints and directives
These need a "Hierarchy Little Language" to express memory heirarchy at all levels
  • This will all one to get portability by expressing each architecture with a parameterization of its memory structure with such things as cache size etc.
  • Compare to register instruction in C; SCM and LCM in 7600; distribute in HPF

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

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