Articles | Volume 18, issue 13
https://doi.org/10.5194/gmd-18-4119-2025
https://doi.org/10.5194/gmd-18-4119-2025
Development and technical paper
 | 
08 Jul 2025
Development and technical paper |  | 08 Jul 2025

An effective communication topology for performance optimization: a case study of the finite-volume wave modeling (FVWAM)

Renbo Pang, Fujiang Yu, Yuanyong Gao, Ye Yuan, Liang Yuan, and Zhiyi Gao

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Cited articles

Abdolali, A., Roland, A., Van Der Westhuysen, A., Meixner, J., Chawla, A., Hesser, T. J., Smith, J. M., and Sikiric, M. D.: Large-scale hurricane modeling using domain decomposition parallelization and implicit scheme implemented in WAVEWATCH III wave model, Coast. Eng., 157, 1–23, https://doi.org/10.1016/j.coastaleng.2020.103656, 2020. a
Alizadeh, O.: Advances and challenges in climate modeling, Climatic Change, 170, 1–26, https://doi.org/10.1007/s10584-021-03298-4, 2022. a
Atchley, S., Zimmer, C., Lange, J., Bernholdt, D., Melesse Vergara, V., Beck, T., Brim, M., Budiardja, R., Chandrasekaran, S., Eisenbach, M., Evans, T., Ezell, M., Frontiere, N., Georgiadou, A., Glenski, J., Grete, P., Hamilton, S., Holmen, J., Huebl, A., Jacobson, D., Joubert, W., McMahon, K., Merzari, E., Moore, S. G., Myers, A., Nichols, S., Oral, S., Papatheodore, T., Perez, D., Rogers, D. M., Schneider, E., Vay, J.-L., and Yeung, P.: Frontier: exploring exascale, in: Proceedings of the International Conference for High Performance Computing, Networking, Storage and Analysis, 52, 1–16, https://doi.org/10.1145/3581784.3607089, 2023. a
Biswas, M. K., Carson, L., Newman, K., Stark, D., Kalina, E., Grell, E., and Frimel, J.: Community HWRF users' guide v4.0a, NCAR: Boulder, CO, USA, pp. 1–163, 2018. a
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Short summary
The application of distributed graph communication topology in Earth models has rarely been studied. We tested and compared this topology with the traditional point-to-point communication method using a wave model. We found that this topology with the Intel MPI (message-passing interface) library is more efficient. Additionally, using this topology can greatly improve the performance of the wave model and could help improve the performance of other Earth models.
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