Automatic recognition of vector and parallel operations in a higher level language

Authors:
Paul B. Schneck
Affiliations:
Goddard Institute for Space Studies
Venue:
ACM SIGPLAN Notices - Special issue on control structures in programming languages
Year:
1972

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Abstract

A compiler for recognizing statements of a FORTRAN program which are suited for fast execution on a parallel or pipeline machine such as ILLIAC-IV, STAR or ASC is described. The technique employs "interval analysis" to provide flow information to the vector/parallel recognizer. Where profitable the compiler changes scalar variables to subscripted variables. The output of the compiler is an extension to FORTRAN which shows parallel and vector operations explicitly.