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GFDL FMS Coupler Cost
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2020
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[PDF-1.08 MB]
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Description:A review of the results for GFDL models from the Computational Performance Model Intercomparison Project (CPMIP) raises the question of why the coupling costs appear so extreme, especially in light of tests demonstrating minimal cost for the FMS coupling framework. This technical memorandum seeks to explain the seemingly high cost associated with the FMS coupler in pre-industrial control (piControl) simulations using the GFDL ESM4 Earth system model and two configurations of the CM4 climate model1. While this technical note presents results for three specific piControl simulations, the findings are assumed to be general and applicable to the full range of configurations and experiments.
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Rights Information:CC0 Public Domain
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Compliance:Submitted
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