Basic HTML version of Foils prepared Sept 21 1998

Foil 55 HPCC and Java -- HPjava -- II

From Java Tutorial 98- 4: Multi-Treading, Useful Java Classes, I/O and Networking NAVO Tutorial -- Sept 23 1998. by Geoffrey C. Fox, Nancy McCracken
1 Current runtime (java Threads) assume shared memory but there are interesting possible distributed memory and distributed shared memory implementations
2 One can imagine a data-parallel interface where methods would implement array and other data parallel operations with distributions specified by annotations as in HPF
  • Here one has a HPJava translator that produces java "plus message passing" code
3 Important implication for parallel CORBA using Java classes to interface with CORBA
4 Java based servers will allow data and task parallel Java to implement World Wide compute webs
5 see http://www.npac.syr.edu/projects/javaforcse
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