Basic HTML version of Foils prepared May 6 1997

Foil 10 What Limits Performance of Compiled Java?

From Master Presentation on Java for Simulation and Education Penn State Jan 13,Wright State Jan 27,SIAM March 16 1997 -- January 1997. by Geoffrey C. Fox
Rice Java Compilation Talk December 96
1 Syracuse Workshop saw no serious problem to High Performance Java on sequential or Shared Memory Machines
2 Some restrictions are needed in programming model
3 For instance, Avoid Complicated Exception handlers in areas compilers need to optimize!
4 Should be able to get comparable performance on compiled Java C and Fortran starting with either Java Language or JavaVM bytecodes
5 The Interpreted (Applet) JavaVM mode would always be slower than compiled Java/C/Fortran -- perhaps by a factor of two with best technology
in Table To:

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

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