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(also sisal hemp), a stiff, coarse natural fiber obtained from the leaves of the agave plant (Agava sisolana), which itself is sometimes given the name “sisal.” The fibers are separated from the fresh leaves without any special treatment; the fiber yield is about 3.5 percent. The elementary sisal fibers are 2-2.5 mm long, whereas the fibers used for industry are 0.6-1.5 m long. The fibers are shiny and yellowish. Sisal is not as sturdy as abaca and is more brittle than hemp. It is used to make ropes, nets, bristles, and other items. World sisal production is gradually being curtailed owing to the increased use of synthetic fibers. In 1972 production was about 604,000 tons. The main exporters of sisal are Tanzania, Kenya, Angola, and Brazil. The leaves of the related species A. fourcroydes yield the fiber henequén, which is produced in Mexico and Cuba.
REFERENCESiniagin, I. I. Tropicheskoe zemledelie. Moscow, 1968. [23–1053–]
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 <email@example.com>, Rod Oldehoeft <firstname.lastname@example.org>.
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)].