Abstract
In this paper, we discuss the parallel asynchronous implementation of the Hungarian method for solving the classical assignment problem. Multiple augmentations and price rises are simultaneously attempted starting from several unassigned sources and using possibly outdated price and assignment information. The results are then merged asynchronously subject to rather weak compatibility conditions. We show the validity of this algorithm and we demonstrate computationally that an asynchronous implementation is often faster than its synchronous counterpart. INFORMS Journal on Computing, ISSN 1091-9856, was published as ORSA Journal on Computing from 1989 to 1995 under ISSN 0899-1499.
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