Abstract
PVM for Java (JPVM) is a parallel programming environment that provides a set of Parallel Virtual Machine (PVM)-like class libraries developed using Java. JPVM inherits the attributes of Java, especially Java support of heterogeneous system. However, it also has the disadvantage of poor performance when compared to native codes. Java performance has been considerably improved with the recent introduction of Just in Time (JIT) compilers. This paper evaluates JPVM, with and without JIT compilation, using some well-known parallel processing benchmarks. It will also highlight some of the areas that limit the use of Java in parallel processing on distributed systems. The objective of the paper is to provide some performance indications of using Java in network-based parallel computing environments.
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