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Computing (FOLDOC) dictionary
Program Composition Notation
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(PCN) A specification language for parallelism between C and
Fortran modules. PCN provides a simple language for
specifying concurrent algorithms, interfaces to Fortran
and C, a portable toolkit that allows applications to be
developed on a workstation or small parallel computer and
run unchanged on supercomputers and integrated debugging and
performance analysis tools. PCN was developed at ArgonneNational Laboratory and the California Institute ofTechnology. It has been used to develop a wide variety of
applications, in areas such as climate modelling, fluid
dynamics, computational biology, chemistry, and circuit