OpTiX-II: A Software Environment for the parallel solution of nonlinear optimization problems

OpTiX-II: A Software Environment for the parallel solution of nonlinear optimization problems

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Article ID: iaor1996336
Country: Switzerland
Volume: 58
Issue: 1
Start Page Number: 129
End Page Number: 140
Publication Date: Jul 1995
Journal: Annals of Operations Research
Authors: ,
Abstract:

The intention of the paper is to give an introduction to the OpTiX-II Software Environment, which supports the parallel and distributed solution of mathematical nonlinear programming problems. First, a brief summary of nonsequential solution concepts for nonlinear optimization on multiprocessor systems will be given. The focus of attention will be put on coarse-grained parallelization and its implementation on multi-computer clusters. The conceptual design objectives for the OpTiX-II Software Environment will be presented as well as the implementation on a workstation cluster, a transputer system and a multiprocessor workstation (shared memory). The OpTiX-II system supports the steps from the formulation of nonlinear optimization problems to their solution on networks of (parallel) computers. In order to demonstrate the use of OpTiX-II, the solution of a nonlinear optimization problem from the field of structural design is discussed and some numerical test results are supplied.

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