期刊
INTERNATIONAL JOURNAL OF HIGH PERFORMANCE COMPUTING APPLICATIONS
卷 19, 期 3, 页码 309-327出版社
SAGE PUBLICATIONS LTD
DOI: 10.1177/1094342005056117
关键词
parallel coupler; CCSM; climate modeling; coupled models
Coupled climate models are large, multiphysics applications designed to simulate the Earth's climate and predict the response of the climate to any changes in the forcing or boundary conditions. The Community Climate System Model (CCSM) is a widely used state-of-the-art climate model that has released several versions to the climate community over the past ten years. Like many climate models, CCSM employs a coupler, a functional unit that coordinates the exchange of data between parts of the climate system such as the atmosphere and ocean. In this paper we describe the new coupler, cp16, contained in the latest version of CCSM, CCSM3. Cp16 introduces distributed-memory parallelism to the coupler, a class library for important coupler functions, and a standardized interface for component models. Cp16 is implemented entirely in Fortran90 and uses the Model Coupling Toolkit as the base for most of its classes. Cp16 gives improved performance over previous versions and scales well on multiple platforms.
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