Abstract
In this research, we parallelized the dynamic programming algorithm of calculating edit distance for GPU, and evaluated the performance. In GPU computing, access to the device memory is likely to be one of the primal bottleneck due to its high latency, and this effect gets noticeable especially when sufficient number of active threads cannot be secured because of the lack of parallelism or overuse of GPU resources. Then, we constructed a model that approximates the relations between the values of parameters and the execution time considering latency hiding, and by using this model, we devised a method of automatic tuning of parallelization parameters in order to attain high performance stably even when the problem size is relatively small.
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Tomiyama, A., Suda, R. (2013). Automatic Parameter Optimization for Edit Distance Algorithm on GPU. In: Daydé, M., Marques, O., Nakajima, K. (eds) High Performance Computing for Computational Science - VECPAR 2012. VECPAR 2012. Lecture Notes in Computer Science, vol 7851. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-38718-0_38
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DOI: https://doi.org/10.1007/978-3-642-38718-0_38
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