Separate HTML for Basic Foil 3 Initial Remarks on Threads

Basic HTML version of Foils prepared Sept 21 1998

Foil 3 Initial Remarks on Threads

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

Java is remarkable for threads being built into the language

Threads are "light-weight" processes (unlike UNIX processes), which communicate by a combination of shared memory and message passing

This communication mechanism is employed naturally by Java

Java threads are limited and for those coming from an HPCC background, we note Java threads have no immediate support for some key parallel computing concepts (see work of Chandy at Caltech) such as distributed memory (threads running in separate operating system instances)

Java threads are based on a locking mechanism using monitors for synchronization, introduced by Hoare in 1974

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