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A Massively Parallel Time‐Dependent Least‐Time‐Path Algorithm for Intelligent Transportation Systems Applications
This article is concerned with the problem of computing in parallel time‐dependent least‐time paths that can be used in real‐time intelligent transportation systems applications. A message‐passing scheme is presented, and its correctness is proved. The algorithm's computational complexity is shown to be O(|T|2|V|2), an improvement by |V| over the best‐known sequential algorithm. The algorithm is implemented, coded, and computationally tested on actual and random networks with promising results. The algorithm is implemented on a CRAY‐T3D supercomputer using a Parallel Virtual Machine environment that allows portability to lower‐end multiprocessor machines.
A Massively Parallel Time‐Dependent Least‐Time‐Path Algorithm for Intelligent Transportation Systems Applications
This article is concerned with the problem of computing in parallel time‐dependent least‐time paths that can be used in real‐time intelligent transportation systems applications. A message‐passing scheme is presented, and its correctness is proved. The algorithm's computational complexity is shown to be O(|T|2|V|2), an improvement by |V| over the best‐known sequential algorithm. The algorithm is implemented, coded, and computationally tested on actual and random networks with promising results. The algorithm is implemented on a CRAY‐T3D supercomputer using a Parallel Virtual Machine environment that allows portability to lower‐end multiprocessor machines.
A Massively Parallel Time‐Dependent Least‐Time‐Path Algorithm for Intelligent Transportation Systems Applications
Ziliaskopoulos, Athanasios (author) / Kotzinos, Dimitrios (author)
Computer‐Aided Civil and Infrastructure Engineering ; 16 ; 337-346
2001-09-01
10 pages
Article (Journal)
Electronic Resource
English
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