Hendrik/xgboost
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2 Commits

Author SHA1 Message Date
Rong Ou
0afcc55d98 Support multiple batches in gpu_hist (#5014) 
* Initial external memory training support for GPU Hist tree method.
 2019-11-16 14:50:20 +08:00
Rong Ou
5b1715d97c Write ELLPACK pages to disk (#4879) 
* add ellpack source
* add batch param
* extract function to parse cache info
* construct ellpack info separately
* push batch to ellpack page
* write ellpack page.
* make sparse page source reusable
 2019-10-22 23:44:32 -04:00