8 Commits

Author SHA1 Message Date
Jiaming Yuan
142bdc73ec
[EM] Support SHAP contribution with QDM. (#10724)
- Add GPU support.
- Add external memory support.
- Update the GPU tree shap.
2024-08-22 05:25:10 +08:00
Jiaming Yuan
8c676c889d
Remove internal use of gpu_id. (#9568) 2023-09-20 23:29:51 +08:00
Jiaming Yuan
972730cde0
Use matrix for gradient. (#9508)
- Use the `linalg::Matrix` for storing gradients.
- New API for the custom objective.
- Custom objective for multi-class/multi-target is now required to return the correct shape.
- Custom objective for Python can accept arrays with any strides. (row-major, column-major)
2023-08-24 05:29:52 +08:00
Rong Ou
bde1ebc209
Switch back to the GPUIDX macro (#9438) 2023-08-04 15:14:31 +08:00
Rong Ou
c2b85ab68a
Clean up MGPU C++ tests (#9430) 2023-08-02 14:31:18 +08:00
Jiaming Yuan
e206b899ef
Rework MAP and Pairwise for LTR. (#9075) 2023-04-28 02:39:12 +08:00
Jiaming Yuan
ef13dd31b1
Rework the NDCG objective. (#9015) 2023-04-18 21:16:06 +08:00
Jiaming Yuan
d062a9e009
Define pair generation strategies for LTR. (#8984) 2023-03-30 12:00:35 +08:00