Basic HTML version of Foils prepared 8 January 98

Foil 164 Isn't the Web hardware and software too slow to be interesting for HPCC? -Java- I

From General NPAC Foils-B starting June97(PowerPoint) Beijing -- 28 Dec 97 to 5 Jan 98. 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

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

If you have any comments about this server, send e-mail to webmaster@npac.syr.edu.

Page produced by wwwfoil on Sat Jan 10 1998