Accelerating FCM neural network classifier using graphics processing units with CUDA
Applied Intelligence
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The $k$-means algorithm is widely used for unsupervised clustering. This paper describes an efficient CUDA-based $k$-means algorithm. Different from existing GPU-based k-means algorithms, our algorithm achieves better efficiency by utilizing the triangle inequality. Our algorithm explores the trade-off between load balance and memory access coalescing through data layout management. Because the effectiveness of the triangle inequity depends on the input data, we further propose a hybrid algorithm that adaptively determines whether to apply the triangle inequality. The efficiency of our algorithm is validated through extensive experiments, which demonstrate improved performance over existing CPU-based and CUDA-based k-means algorithms, in terms of both speed and scalability.