Scientific Programming / 2020 / Article / Tab 1

Research Article

Analysis of a New MPI Process Distribution for the Weather Research and Forecasting (WRF) Model

Table 1

Average wall time when using n processing nodes and 8 processor cores with different domain distributions.


9 × 1344316 × 1259625 × 1211736 × 1
3 × 324038 × 217145 × 5101718 × 21152
1 × 923274 × 414581 × 25129812 × 3951
2 × 813969 × 4861
1 × 1616226 × 6824
4 × 9801
3 × 12855
2 × 18908
1 × 36

The automatic distributions chosen by WRF are underlined and the ones with the best are marked in bold. Some extreme distributions such as crashed the simulations and could not be executed.

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