Performance Evaluation of OpenMP-Based Algorithms for Handling Kronecker Descriptors

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Executive Summary

Numerical analysis of Markovian models is relevant for performance evaluation and probabilistic analysis of systems' behavior from several fields in science and engineering. These models can be represented in a compact fashion using Kronecker algebra. The Vector-Descriptor Product (VDP) is the key operation to obtain stationary and transient solutions of models represented by Kronecker-based descriptors. VDP algorithms are usually CPU intensive, requiring alternatives such as data partitioning to produce results in less time. This paper introduces a set of parallel implementations of a hybrid algorithm for handling descriptors and a detailed performance analysis on four real Markovian models.

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