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@inproceedings{1124393, author = {Karas, Pavel and Kuderjavý, Michal and Svoboda, David}, address = {Neuveden}, booktitle = {Algorithms and Architectures for Parallel Processing}, doi = {http://dx.doi.org/10.1007/978-3-319-03859-9_24}, editor = {Kołodziej, Joanna and Martino, Beniamino and Talia, Domenico and Xiong, Kaiqi}, keywords = {deconvolution; gpu; multi-gpu; parallelization; implementation; algorithm; em-mle; richardson-lucy; ictm; wiener}, howpublished = {tištěná verze "print"}, language = {eng}, location = {Neuveden}, isbn = {978-3-319-03858-2}, pages = {279-290}, publisher = {Springer International Publishing}, title = {Deconvolution of huge 3-D images: Parallelization strategies on a multi-GPU system}, url = {http://dx.doi.org/10.1007/978-3-319-03859-9_24}, year = {2013} }
TY - JOUR ID - 1124393 AU - Karas, Pavel - Kuderjavý, Michal - Svoboda, David PY - 2013 TI - Deconvolution of huge 3-D images: Parallelization strategies on a multi-GPU system PB - Springer International Publishing CY - Neuveden SN - 9783319038582 KW - deconvolution KW - gpu KW - multi-gpu KW - parallelization KW - implementation KW - algorithm KW - em-mle KW - richardson-lucy KW - ictm KW - wiener UR - http://dx.doi.org/10.1007/978-3-319-03859-9_24 L2 - http://dx.doi.org/10.1007/978-3-319-03859-9_24 N2 - In this paper, we discuss strategies to parallelize selected deconvolution methods on a multi-GPU system. We provide a comparison of several approaches to split the deconvolution into subtasks while keeping the amount of costly data transfers as low as possible, and propose own implementation of three deconvolution methods which achieves up to 65x speedup over the CPU one. In the experimental part, we analyse how the individual stages of the computation contribute to the overall computation time as well as how the multi-GPU implementation scales in various setups. Finally, we identify bottlenecks of the system. ER -
KARAS, Pavel, Michal KUDERJAVÝ and David SVOBODA. Deconvolution of huge 3-D images: Parallelization strategies on a multi-GPU system. In Kołodziej, Joanna and Martino, Beniamino and Talia, Domenico and Xiong, Kaiqi. \textit{Algorithms and Architectures for Parallel Processing}. Neuveden: Springer International Publishing, 2013, p.~279-290. ISBN~978-3-319-03858-2. Available from: https://dx.doi.org/10.1007/978-3-319-03859-9\_{}24.
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