HTML version of Scripted Foils prepared January 17 97

Foil 36 What Limits Performance of Compiled Java?

From Java For Computation and Education Penn State Jan 13 Wright State Jan 23 -- January 97. by Geoffrey C. Fox *

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

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