Flexible IDL compilation for complex communication patterns[1]This research was supported in part by the Defense Advanced Research Projects Agency, monitored by the Department of the Army under contract number DABT63–94–C–0058,...

Distributed applications are complex by nature, so it is essential that there be effective software development tools to aid in the construction of these programs. Commonplace “middleware” tools, however, often impose a tradeoff between programmer productivity and application performance. For instance, many corba idl compilers generate code that is too slow for high-performance systems. More importantly, these compilers provide inadequate support for sophisticated patterns of communication. We believe that these problems can be overcome, thus making idl compilers and similar middleware tools useful for a broader range of systems. To this end we have implemented Flick, a flexible and optimizing idl compiler, and are using it to produce specialized high-performance code for complex distributed applications. Flick can produce specially “decomposed” stubs that encapsulate different aspects of communication in separate functions, thus providing application programmers with fine-grain control over all messages. The design of our decomposed stubs was inspired by the requirements of a particular distributed application called Khazana, and in this paper we describe our experience to date in refitting Khazana with Flick-generated stubs. We believe that the special idl compilation techniques developed for Khazana will be useful in other applications with similar communication requirements. [ABSTRACT FROM AUTHOR]

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