CCSM/ESMF Evaluation & Test Plans

Active Test Plan

The Community Climate System 4 (CCSM4) was the first release of the model to be delivered with ESMF interfaces, in April 2010. A test plan was created to support ongoing development. The intent is for the ESMF team to complete the subset of tests outlined before submitting changes to the CESM group. The plan is a work in progress and may need to be customized for specific capabilities.

The following test reports were submitted to CESM prior to integration:

• CESM_1_1_beta05_api_test_report: Updated the CESM 1.1 beta05 baseline to work with the API changes in the ESMF 5.2.0rp1 baseline. (last updated: 1/5/2012 1:08pm EST)
• CESM_1_1_beta04_test_report: Decribes testing on bluefire for the ensemble implementation of ESMF component interfaces in CESM 1.1 beta release. (last updated: 11/23/2011 11:17am EST)
• CESM_1_1_beta02_test_report: Describes testing on bluefire and jaguarpf for the ESMF sparse matrix multiply implementation in the CESM 1.1 beta release coupler for offline regridding between component models. (last updated: 11/2/2011 10:22am EST)
• CESM 1.0.3 test report: Describes testing on bluefire and jaguarpf for updates in CESM releasing CESM 1.0.3 with ESMF 520p1. (last updated: 5/16/2011 2:31pm EST)

Archived Plans

The following are evaluation plans that led up to the integration of ESMF into CCSM public releases.

The first plan was approved by the CCSM Scientific Steering Committee (SSC) in January, 2005. This plan focused on the component and redistribution functions of ESMF, and required that ESMF demonstrate less than 5% overhead relative to CCSM's existing infrastructure. ESMF successfully passed the evaluation in May, 2007 and the ESMF version was incorporated into the CCSM development repository.

The second plan was approved by the CCSM SSC in September, 2007. It focuses on evaluation of the regridding capabilities of ESMF, including petascale processor counts. A successful outcome will result in the ESMF version of ESMF being part of the next major release of CCSM, CCSM4. Work on this evaluation is ongoing.

The following slides show detailed plans used to implement ESMF in CCSM:

• ESMF adoption in CCSM, first steps: getting to ESMF compliant data components, Aug 25, 2008 (Download PowerPoint)