Scripted HTML version of Foils prepared 11 November 1996

Foil 25 High Performance Fortran HPF2 Changes

From CPS615-End of Numerical Integration and Very End of HPF Delivered Lectures of CPS615 Basic Simulation Track for Computational Science -- 24 October 96. by Geoffrey C. Fox *
Secs 123.8
The original HPF 1.0 omitted some key capabilities which were known to be important but syntax and functionality was unclear in 1993
  • Further experience has shown that HPF compilers have proven to be difficult to write!
The HPF Forum met in 1995-96 and has approved a set of Extensions and Simplifications of HPF
The concept of a base HPF 2.0 and Approved Extensions has been agreed
Note approved extensions (which presumably vendors need not implement) include critical capability for dynamic irregular problems
DYNAMIC REALIGN and REDISTRIBUTE are no longer in base language and are just "appproved extensions"
Suprisingly no parallel I/O capabilities were approved!

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