Objects by Value: Evaluating the Trade–off
نویسنده
چکیده
Passing parameter objects by value can reduce the number of remote method invocations in a distributed system. It is a simple alternative to full-fledged object migration, implemented for example in Java/RMI and currently being added to CORBA as well. In this paper, we answer the question: When exactly does it pay off to pass an object by value, instead of by reference? To this end, both empirical and analytical studies have been conducted, which provide a sound basis for evaluating the trade-off, so that the programmer — or an automatic optimization tool — can make the right decision in a given scenario.
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