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Update accessom3 scaling reports - switch timestep metrics from median to mean#11

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minghangli-uni merged 2 commits intomainfrom
update_scaling_plots_accessom3
Oct 29, 2025
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Update accessom3 scaling reports - switch timestep metrics from median to mean#11
minghangli-uni merged 2 commits intomainfrom
update_scaling_plots_accessom3

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This PR updates the postprocessing workflow to use the average timestep duration instead of the median when computing walltime per timestep (in seconds), a more accurate measure of model performance.

In addition, the postprocessed timeseries excludes the first two and the last timestep indices to remove startup and shutdown artifacts, which appear as outliers compared to the rest of the run. These effects can be visualised in the flame graph generated by esmf-trace. For more details, see ACCESS-NRI/ACCESS-OM3#148 (comment)

@minghangli-uni minghangli-uni self-assigned this Oct 28, 2025
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@minghangli-uni minghangli-uni force-pushed the update_scaling_plots_accessom3 branch from 707821a to b054e6f Compare October 29, 2025 03:21
@minghangli-uni minghangli-uni marked this pull request as ready for review October 29, 2025 03:22
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Hi @micaeljtoliveira I’ve updated both notebooks to use the average timestep metric instead of the median. The scaling is now based on restart runs rather than from-scratch runs, as the latter were found to be unrepresentative.

Would you like to take a look?

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@minghangli-uni minghangli-uni merged commit a1235d4 into main Oct 29, 2025
@minghangli-uni minghangli-uni deleted the update_scaling_plots_accessom3 branch October 29, 2025 22:14
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