Basic HTML version of Foils prepared July 14 97

Foil 110 Isn't the Web hardware and software too slow to be interesting for HPCC? -Java- I

From Web Technology as the basis of Portable High Quality HPCN Software Review Meeting of PSPTA Group Manchester UK, Garland Texas(E-systems), Winnipeg Canada(HPCS'97) -- July 1,9,12 97. by Geoffrey C. Fox
Java is currently semi-interpreted and (as in Linpack online benchmark) is about 50 times slower than good C or Fortran
  • http://www.netlib.org/benchmark/linpackjava/
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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