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[CUDA] Difference of performance for fair objective between cuda_exp and cpu. #5470

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shiyu1994 opened this issue Sep 6, 2022 · 1 comment
Open

[CUDA] Difference of performance for fair objective between cuda_exp and cpu. #5470

shiyu1994 opened this issue Sep 6, 2022 · 1 comment
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A slight difference in performance between cuda_exp and cpu is found with fair regression objective. In test_regression of this PR, with objective=fair, the cpu version produces a final l2 metric of 16+, while cuda_exp results in 11+.
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@shiyu1994