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[Licence| Download | New Version Template] abbu_v1_0.gz(27 Kbytes)
Manuscript Title: A multi-dimensional integration package for vector processor.
Authors: S. Kawabata, T. Kaneko
Program title: VBASES
Catalogue identifier: ABBU_v1_0
Distribution format: gz
Journal reference: Comput. Phys. Commun. 48(1988)353
Programming language: Fortran.
Computer: HITAC-S810.
Operating system: VOS3 (HITAC).
RAM: 250K words
Word size: 32
Peripherals: disc.
Keywords: General purpose, Quadrature, Multidimensional Numerical, Vector processor, Super computer, Bases.
Classification: 4.11.

Nature of problem:
In high energy physics the numerical integration package is used to obtain the cross section for the physical process. When the physical process is complicated, the integrand may become a very long Fortran source code. In such a case, the integration itself requires too much CPU time for practical use.

Solution method:
We have developed a program package VBASES, a super computer version of multi-dimensional integration package BASES. By using VBASES, we could shorten the CPU time by factor 80 of the integration of the radiative Bhabha scattering.

Running time:
The running time depends especially on the length of the integrand subprogram which gives the differential cross section for the process.