Basic HTML version of Foils prepared 10 January 98

Foil 84 Isn't the Web hardware and software too slow to be interesting for HPCC? -Java- I

From General NPAC Foils-98A starting January 98 (PowerPoint) NIMA HQ Fairfax Virginia -- January 12 98. by Geoffrey C. Fox
Java LINPACK Benchmark Page
Java is currently semi-interpreted and (as in Linpack online benchmark) is about 50 times slower than good C or Fortran
Java --> (javac)--> Downloadable Universal Bytecodes --> (Java Interpreter)
--> Native Machine Code
  • Just in Time Compilers speed this up by factor of 10
However Language can be efficiently compiled with "native compilers"
Java ----> (native compiler)
---> Native (for Particular Machine) Code
Lots of Interesting Compiler issues for both compiled and scripted Java

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