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Fast vector‐scalar‐multiply‐and‐add subroutines for VAX computers
Author(s) -
Cisneros Gerardo,
Bunge Carlos F.,
Roothaan C. C. J.
Publication year - 1987
Publication title -
journal of computational chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.907
H-Index - 188
eISSN - 1096-987X
pISSN - 0192-8651
DOI - 10.1002/jcc.540080506
Subject(s) - subroutine , fortran , computer science , simple (philosophy) , parallel computing , scalar (mathematics) , set (abstract data type) , computational science , programming language , mathematics , geometry , philosophy , epistemology
We describe a set of simple VAX assembly language, Fortran‐callable subroutines for performing vectorscalar‐multiply‐and‐add operations which can increase processing speed by more than 10%. The routines are simple enough that they may be translated readily for use on other machines.