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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.
This commit is contained in:
Jiaming Yuan
2021-09-13 12:40:56 +08:00
committed by GitHub
parent a0dcf6f5c1
commit 3515931305
26 changed files with 546 additions and 171 deletions
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amalgamation/xgboost-all0.cc
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@@ -38,6 +38,8 @@
#include "../src/data/sparse_page_raw_format.cc"
#include "../src/data/ellpack_page.cc"
#include "../src/data/gradient_index.cc"
#include "../src/data/gradient_index_page_source.cc"
#include "../src/data/gradient_index_format.cc"
#include "../src/data/sparse_page_dmatrix.cc"
#include "../src/data/proxy_dmatrix.cc"