6 Commits

Author	SHA1	Message	Date
Jiaming Yuan	ddf2e68821	Use the new DeviceOrd in the linalg module. (#9527)	2023-08-29 13:37:29 +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
Jiaming Yuan	04aff3af8e	Define the new device parameter. (#9362)	2023-07-13 19:30:25 +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