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. 2018 May 8;19(Suppl 4):98. doi: 10.1186/s12859-018-2071-z

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© The Author(s). 2018

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 7 — Experiments of parallel optimization. There are six pictures labeled as a,b,c,d,e and f respectively. The “T” in coordinate axis means the number of thread we have started. The “P” in coordinate axis means the number of process we have started. The “1Core” means we have only started one process with single thread to carry out these experiments. The “2CPUs” means we have started one process with 24 threads to carry out these experiments. This is because there are two CPUs with 12 cores on single node of Tianhe-2 supercomputer