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. 2020 May 23;9(5):giaa052. doi: 10.1093/gigascience/giaa052

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© The Author(s) 2020. Published by Oxford University Press.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 6: — Execution time of parSMURF¹ and parSMURFⁿ on the synthetic dataset synth_3. Left: The x-axis shows the number of threads for each MPI process; the y-axis, execution time in seconds. Experiments are grouped by the number of MPI processes. The black line represents the multi-thread version, while orange, grey, yellow, light blue, green, and blue show the MPI version with 1, 2, 4, 6, 8, and 10 MPI processes, respectively. Right: Results are grouped by total number of threads (n.thr × n.proc). When a combination is obtainable in >1 way only the best time is considered.