\sˈɪsə͡l], \sˈɪsəl], \s_ˈɪ_s_əl]\
Definitions of SISAL
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(Streams and Iteration in a Single AssignmentLanguage) A general-purpose single assignment functionalprogramming language with strict semantics, automaticparallelisation and efficient arrays. Outputs a dataflowgraph in IF1 (Intermediary Form 1). Derived from VAL,adds recursion and finite streams. Pascal-like syntax.Designed to be a common high-level language for numericalprograms on a variety of multiprocessors.Implementations exist for Cray X-MP, Cray Y-MP, Cray-2,Sequent, Encore Alliant, dataflow architectures,transputers and systolic arrays.Defined in 1983 by James McGraw et al, ManchesterUniversity, Lawrence Livermore National Laboratory,Colorado State University and DEC. Revised in 1985.First compiled implementation in 1986. Performance superiorto C and competitive with Fortran, combined with efficientand automatic parallelisation.Not to be confused with SASL.E-mail: John Feo , Rod Oldehoeft.David C. Cann has written an Optimising SISAL Compiler(ftp://sisal.llnl.gov/pub/sisal) (OSC) which attempts to makeefficient 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, JParallel and Distrib Computing 10(4):349-366 (Dec 1990)].
By Denis Howe