Fuse split evaluation kernels #8026
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One of the dask early stopping tests started to fail but this is only due to slight changes in split evaluation. The validation score continues to decrease beyond maximum number of iterations. This PR has resulted in very small changes to gbm-bench training loss results, some better, some worse. I attribute this to floating point ordering. In particular, changing the block size for split evaluation from 256->32 has an impact. |
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Benchmarking to follow.