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sisal n. 西沙尔草[龙舌兰的一种] 西沙尔草[龙舌兰的一种] sisal n 1: a plant fiber used for making rope [synonym: {sisal}, {sisal hemp}] 2: Mexican or West Indian plant with large fleshy leaves yielding a stiff fiber used in e.g. rope [synonym: {sisal}, {Agave sisalana}] Language) A general-purpose {single assignment} {functional programming language} with {strict} semantics, automatic parallelisation and efficient {arrays}. Outputs a dataflow graph 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 numerical programs 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, {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 David C. Cann has written an {Optimising SISAL Compiler (ftp://sisal.llnl.gov/pub/sisal)} (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)]. (2000-07-07)
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