Jiaming Yuan
31c1e13f90
Categorical data support in CPU sketching. ( #7221 )
2021-09-17 04:37:09 +08:00
Jiaming Yuan
3515931305
Initial support for external memory in gradient index. ( #7183 )
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* Add hessian to batch param in preparation of new approx impl.
* Extract a push method for gradient index matrix.
* Use span instead of vector ref for hessian in sketching.
* Create a binary format for gradient index.
2021-09-13 12:40:56 +08:00
Jiaming Yuan
77f6cf2d13
Support hessian in host sketch container. ( #7081 )
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Prepare for migrating approx onto hist's codebase.
2021-07-08 16:33:58 +08:00
Andrew Ziem
3e7e426b36
Fix spelling in documents ( #6948 )
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* Update roxygen2 doc.
Co-authored-by: fis <jm.yuan@outlook.com>
2021-05-11 20:44:36 +08:00
Louis Desreumaux
9b530e5697
Improve OpenMP exception handling ( #6680 )
2021-02-25 13:56:16 +08:00
Jiaming Yuan
29b7fea572
Optimize cpu sketch allreduce for sparse data. ( #6009 )
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* Bypass RABIT serialization reducer and use custom allgather based merging.
2020-08-19 10:03:45 +08:00
Jiaming Yuan
ee70a2380b
Unify CPU hist sketching ( #5880 )
2020-08-12 01:33:06 +08:00
