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Shared-Memory Parallelization of an Interval Equations Systems Solver - Comparison of Tools

Kubica B.J.

Prace Naukowe Politechniki Warszawskiej. Elektronika

2009

z. 169

121-128

This paper considers the shared-memory parallelization of an interval solver of underdetermined systems of nonlinear equations. Four threading libraries are investigated: OpenMP, POSIX threads, Boost threads and TBB. Directions for further investigations on multi-threaded interval algorithms are outlined.

Performance inversion of interval Newton narrowing operators

Kubica B.J.

Prace Naukowe Politechniki Warszawskiej. Elektronika

2009

z. 169

111-119

This paper describes a phenomenon of performance inversion of Newton operators - more precise operators might result in longer computation of a branch-and-prune method. Examples are presented and possible reasons of this behavior are discussed.