| Summary: | CICE6.3.1 is a minor update of CICE6.3.0 from September, 2021. It is released with Icepack1.3.1. This update includes several minor changes including a bug fix that led to errors in multi-processor runs with advection="none". This version also updates a few aspects of the dynamics implementation, upgrades the OpenMP performance, updates the atmbndy options associated with a change in Icepack1.3.1, and updates several other technical features. Major Changes None Bug fixes Fix multi-pe advection bug setting, advection=none was not working on multiple pes. #664 Enhancements Implementation of plastic potential for VP and EVP. #649 Refactor EVP and VP, express rheology term as a function of viscous coefficients, update documentation #639 , #647 . Note: This changes answers at roundoff level . Update calls to seabed stress to improve efficiency #673 Deprecate gx1 CORE forcing option #643 Update OpenMP implementation to debug and improve performance. #680 , #693 . Note: May require setting "setenv OMP_STACKSIZE 64M" or similar in machine env file Update PIO fill value on restart #675 Update namelist reading to allow namelist groups to be read in any order #671 , #677 Update Makefile to improve dependency logic #667 Update Icepack #658 #691 Note: changes results when formdrag is applied and fbot_xfer_type == 'Cdn_ocn' Update testing scripts #644 , #658 , #665 , #664 , #678 Update NUOPC/CMEPS coupling interface to add new snow features and more #668 , #670 Update DMI coupling interface to add new snow features #641 Refactor/reduce calls to calc_ffrac in eap solver #638 Update atmbndy input to support similarity (aka default), constant, and mixed options, update documentation #633 . Zero out eap variables on land consistently #632 Update history implementation allocation checks #631 Port to Narwhal #678 Documentation Update version and copyright date #691 Update documentation #644 , #652 , #657 Update README.md to reflect change of default branch name from master to main in Github repository.
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