Scripted HTML version of Foils prepared April 27 97

Foil 58 Approachs to Parallel Java - High Level - I

From And the HPCN Future is: Petaflop Computers and Java and Web Technologies Aachen Parallel Computing Workshop, Pallas Presentation Germany -- April 21,23 97. by Geoffrey C. Fox *

Parallel C++ approach (Standard Template Libraries etc.) does not work
  • Cannot overload operators
Could copy HPF directive approach but as this requires major compiler development, this does not seem appropriate in near future
  • Approachs that need simple preprocessor are probably acceptable
  • parallel Fortran 77 approach is easier with identification of loop level parallelism
In particular can use this with Java threads running on SMP as target i.e. use Java runtime to get parallelism automatically if we spawn appropriate threads
This work can be done on .class (Bytecode) or .java (Java language) files



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