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The effective deployment of applications exhibiting irregular nested parallelism on GPUs is still an open problem. A naïve mapping of irregular code onto the GPU hardware often leads to resource underutilization and, thereby, limited performance. In this work, we focus on two computational patterns exhibiting nested parallelism: irregular nested loops and parallel recursive computations. In particular,...
Several problems in computational biology require the all-against-all pairwise comparisons of tens of thousands of individual biological sequences. Each such comparison can be performed with the well-known Needleman-Wunsch alignment algorithm. However, with the rapid growth of biological databases, performing all possible comparisons with this algorithm in serial becomes extremely time-consuming....
Thanks to their massive computational power and their SIMT computational model, Graphics Processing Units (GPUs) have been successfully used to accelerate a wide variety of regular applications (linear algebra, stencil computations, image processing and bioinformatics algorithms, among others). However, many established and emerging problems are based on irregular data structures, such as graphs....
This paper addresses the inherent unreliability and instability of the multiple uncertain characteristics of complex embedded multiprocessor systems, such as MPSoC (multiprocessor system on chip) systems. In this work, we propose a fuzzy sets description for the multiple uncertain characteristics of system, and using fuzzy set membership calculation to determine the scheduling priorities of tasks...
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