4 Commits

Author	SHA1	Message	Date
Jiaming Yuan	5891f752c8	Rework the MAP metric. (#8931) ... - The new implementation is more strict as only binary labels are accepted. The previous implementation converts values greater than 1 to 1. - Deterministic GPU. (no atomic add). - Fix top-k handling. - Precise definition of MAP. (There are other variants on how to handle top-k). - Refactor GPU ranking tests.	2023-03-22 17:45:20 +08:00
Jiaming Yuan	8be6095ece	Implement NDCG cache. (#8893)	2023-03-13 22:16:31 +08:00
Jiaming Yuan	46dfcc7d22	Define a new ranking parameter. (#8887)	2023-03-09 17:46:24 +08:00
Jiaming Yuan	5f76edd296	Extract make metric name from ranking metric. (#8768) ... - Extract the metric parsing routine from ranking. - Add a test. - Accept null for string view.	2023-02-09 18:30:21 +08:00