Jiaming Yuan
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9ab73f737e
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Extract Sketch Entry from hist maker. (#7503)
* Extract Sketch Entry from hist maker.
* Add a new sketch container for sorted inputs.
* Optimize bin search.
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2021-12-18 05:36:56 +08:00 |
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Jiaming Yuan
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31c1e13f90
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Categorical data support in CPU sketching. (#7221)
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2021-09-17 04:37:09 +08:00 |
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Jiaming Yuan
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77f6cf2d13
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Support hessian in host sketch container. (#7081)
Prepare for migrating approx onto hist's codebase.
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2021-07-08 16:33:58 +08:00 |
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Jiaming Yuan
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29b7fea572
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Optimize cpu sketch allreduce for sparse data. (#6009)
* Bypass RABIT serialization reducer and use custom allgather based merging.
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2020-08-19 10:03:45 +08:00 |
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Jiaming Yuan
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ee70a2380b
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Unify CPU hist sketching (#5880)
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2020-08-12 01:33:06 +08:00 |
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