✦ LIBER ✦

A preprocessor for FORTRAN source code produced by reduce

✍ Scribed by Toshiaki Kaneko; Setsuya Kawabata

Publisher: Elsevier Science
Year: 1989
Tongue: English
Weight: 532 KB
Volume: 55
Category: Article
ISSN: 0010-4655
DOI: 10.1016/0010-4655(89)90073-8

No coin nor oath required. For personal study only.

✦ Synopsis

For Estimating total cross sections and various spectra for complicated processes in high energy physics, the most time consuming part is numerical integration over the phase volume. When a FORTRAN source code for the integrand is produced by REDUCE, often it is not only too long but is not enough reduced to be optimized by a FORTRAN compiler. A program package called SPROC has been developed to convert FORTRAN source code to a more optimized form and to divide the code into subroutines whose lengths are short enough for FORTRAN compilers. It can also generate a vectorizable code, which can achieve high efficiency of vector computers. The output is given in a suitable form for the numerical integration package BASES and its vector computer version VBASES. By this improvement the CPU-time for integration is shortened by a factor of about two on a scalar computer and of several times then on a vector computer.

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