
Accession Number : ADA290362
Title : Efficient Compilation of HighLevel Data Parallel Algorithms.
Descriptive Note : Technical rept.,
Corporate Author : PENNSYLVANIA UNIV PHILADELPHIA DEPT OF COMPUTER AND INFORMATION SCIENCE
Personal Author(s) : Suciu, Dan ; Tannen, Val
PDF Url : ADA290362
Report Date : APR 1994
Pagination or Media Count : 17
Abstract : We present a highlevel parallel calculus for nested sequences, NSC, offered as a possible theoretical "core" of an entire class of collectionoriented parallel languages. NSC is based on whileloops as opposed to general recursion. A formal, machine independent definition of the parallel time complexity and the work complexity of programs in NSC is given. Our main results are: (1) We give a translation method for a particular form of recursion, called maprecursion, into NSC, that preserves the time complexity and adds an arbitrarily small overhead to the work complexity, and (2) We give a compilation method for NSC into a very simple vector parallel machine, which preserves the time complexity and again adds an arbitrarily small overhead to the work complexity.
Descriptors : *PARALLEL PROCESSING, *HIGH LEVEL LANGUAGES, PARALLEL PROCESSORS, TIME, RECURSIVE FUNCTIONS, CALCULUS OF VARIATIONS.
Subject Categories : Computer Programming and Software
Distribution Statement : APPROVED FOR PUBLIC RELEASE