John Rice on PSE Examples
*	Text Processing -- compare Word, Troff or Tex
*	CAD Systems hide NASTRAN
*	MATLAB -- Underlying software in fact available to everybody
-	Gave nice language ala 1070’s and support
-	language like mathematica
PDELab as an example
*	Large scope as collected 20 different solvers -- much more than other systems
*	Interesting script with mathematics notation
*	invokes decomposers for parallel partitioining
*	Developed specialized bioseparation environment 
*	user interface models lab environment
History of PSE
*	Started in 1963 but abandonned as not enough computing power
*	Now technology allows
*	What about Kiowa and other histogramming packages
Software/Language
*	Define problem to be solved
*	PSE specific computational script
-	What is a script! John Rice agrees this is not defined
-	Not just an Interpreted Language  
*	System Components
-	Control Program
-	Problem Specific Modules
-	Runtime Support Systems
-	Utilities
*	Analyses MATLAB and PDELAB in these terms
*	May not need one program that knows whats going on globally!
Parallelism
*	A focus of this workshop
*	Extreme solution is to develop optimal code with software tailored to exploit all possible optimizations
-	Possible as PSE typically generates code
*	Minimize user time not computer time
Questions
*	What about open architectues?
*	Mixed feelings as “open-ness” not used.
*	Claims developers will build software - not users
*	PSE’s are general field but money comes from PDE parts of Arpa,NSF
*	What is a script! Not asked