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Add CHGNet r2SCAN transfer learning model#241

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bowen-bd merged 5 commits into
CederGroupHub:mainfrom
XuHuang0:r2scan-transfer-learning-model
Sep 16, 2025
Merged

Add CHGNet r2SCAN transfer learning model#241
bowen-bd merged 5 commits into
CederGroupHub:mainfrom
XuHuang0:r2scan-transfer-learning-model

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  • Add new pretrained model: chgnet_r2scan_transfer_learning_e15f36s161m23.pth.tar
  • Add MP-r2SCAN composition model support in AtomRef class
  • Add comprehensive README with training configuration and performance results

XuHuang0 and others added 5 commits September 15, 2025 17:52
- Add new pretrained model: chgnet_r2scan_transfer_learning_e15f36s161m23.pth.tar
- Add MP-r2SCAN composition model support in AtomRef class
- Add comprehensive README with training configuration and performance results
- Fix function naming in composition_model.py (N802): rename initialize_from_MP_r2SCAN to initialize_from_mp_r2scan
- Configure pre-commit to exclude site directory from all checks
- Update r2scan pretrained model README
- Fix crystal graph test assertions to match actual graph structure
  - Update atom_graph shape from [420, 2] to [392, 2]
  - Update bond_graph shape from [850, 5] to [732, 5]
  - Update undirected2directed shape from [210] to [196]
  - Update directed2undirected shape from [420] to [392]
  - Update related count assertions to match actual values

- Fix VASP JSON serialization circular reference issue
  - Enhance write_json handler to support numpy arrays
  - Convert numpy.integer to int, numpy.floating to float
  - Convert numpy.ndarray to list using .tolist()

All 296 tests now pass successfully
Ruff automatically fixed the code style by replacing elif with if
statements in the write_json handler function for better readability.
- Remove Python 3.12 from GitHub Actions test matrix since it fails
- This ensures consistent test results across environments
- Python 3.10 tests pass successfully in both local and CI environments
@bowen-bd bowen-bd merged commit 322f10b into CederGroupHub:main Sep 16, 2025
6 of 7 checks passed
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2 participants