Dynamic process composition and communication patterns in irregularly structured applications. Concurrency: Practice and Experience, spring 2000. Extended version

languages, models of communication, irregular communications patterns, unstructured process composition, software renovation, multi-grid methods, sparse-grid methods, computational uid dynamics, three-dimensional ow problems. Abstract. In this paper we describe one experiment in which a new coordination language, called MANIFOLD, is used to restructure an existing sequential Fortran code from computational uid dynamic (CFD), into a parallel application. MANIFOLD is a coordination language developed at CWI (Centrum voor Wiskunde en Informatica) in the Netherlands. It is very well suited for applications involving dynamic process creation and dynamically changing (ir)regular communication patterns among sets of independent concurrent cooperating processes. With a simple, but generic, master/worker protocol, written in the MANIFOLD language, we are able to reuse the existing code again, without rethinking or rewriting it. The performance evaluation of a standard 3D CFD problem shows that MANIFOLD performs very well.