Scripted HTML version of Foils prepared March 18 97

Foil 44 What Limits Performance of Compiled Java?

From Java and Web Technologies in HPCC SIAM Conference Minneapolis -- OO Methods Session -- March 16 97. by Geoffrey C. Fox *

Syracuse Workshop saw no serious problem to High Performance Java on sequential or Shared Memory Machines
Some restrictions are needed in programming model
For instance, Avoid Complicated Exception handlers in areas compilers need to optimize!
Should be able to get comparable performance on compiled Java C and Fortran starting with either Java Language or JavaVM bytecodes
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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