Meaning of SISAL in English

Streams and Iteration in a Single Assignment Language.

A general-purpose single assignment functional programming language with strict semantics, automatic parallelisation and efficient array s. Outputs a dataflow graph in IF1 (Intermediary Form 1). Derived from VAL , adds recursion and finite stream s. Pascal -like syntax. Designed to be a common high-level language for numerical programs on a variety of multiprocessor s.

Implementations exist for Cray X-MP , Cray Y-MP , Cray-2 , Sequent , Encore Alliant , dataflow architectures, transputer s and systolic array s.

Defined in 1983 by James McGraw et al, Manchester University , Lawrence Livermore National Laboratory , Colorado State University and DEC . Revised in 1985. First compiled implementation in 1986. Performance superior to C and competitive with Fortran , combined with efficient and automatic parallelisation.

Not to be confused with SASL .

E-mail: John Feo , Rod Oldehoeft .

David C. Cann has written an Optimising SISAL Compiler (OSC) which attempts to make efficient use of parallel processors such as Crays .

Latest version: 12.0, SISAL 1.2.

["A Report on the SISAL Language Project", J.T. Feo et al, J Parallel and Distrib Computing 10(4):349-366 (Dec 1990)].


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