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# Accession Number:

## AD0485372

# Title:

## INITIATION TIMING IN A MODEL FOR PARALLEL COMPUTATION.

# Descriptive Note:

## Technical rept.,

# Corporate Author:

## MICHIGAN UNIV ANN ARBOR SYSTEMS ENGINEERING LAB

# Report Date:

## 1966-03-01

# Pagination or Media Count:

##
53.0

# Abstract:

## This paper deals with a particular case of a model for parallel computeation as formulated by Karp and Miller. A parallel computation is viewed as a directed graph in which a node represents a sequence of operations to be performed upon data on the node input branches with the results of an operation being placed upon the output branches. An operation associated with a node n may initiate only if there is at least one data item on each input branch to n. Upon initiation, n removes one data item from each input branch and upon termination, places one data item on each output branch. A maximal computation rate periodic schedule is also given for the case that G is required to compute synchronously, i.e. at integer times. Finally, in the case of a synchronous computation graph G, an analysis is given of the so-called free running execution of G and this is found to yield the maximum computation rate of G.

# Distribution Statement:

## APPROVED FOR PUBLIC RELEASE

#