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16 Commits

Author SHA1 Message Date
Jiaming Yuan
e228c1a121
[EM] Make page concatenation optional. (#10826) 
This PR introduces a new parameter `extmem_concat_pages` to make the page concatenation optional for GPU hist. In addition, the document is updated for the new GPU-based external memory.
 2024-09-24 06:19:28 +08:00
Jiaming Yuan
b4cc350ec5
Fix categorical data with external memory. (#10433) 2024-06-18 04:34:54 +08:00
Jiaming Yuan
73afef1a6e
Fixes for numpy 2.0. (#10252) 2024-05-07 03:54:32 +08:00
Jiaming Yuan
54b71c8fba
Fix with black 24.1.1. (#10014) 2024-01-30 17:24:11 +08:00
Jiaming Yuan
f05a23b41c
Use weakref instead of id for DataIter cache. (#9445) 
- Fix case where Python reuses id from freed objects.
- Small optimization to column matrix with QDM by using `realloc` instead of copying data.
 2023-08-10 00:40:06 +08:00
Jiaming Yuan
16eb41936d
Handle the new device parameter in dask and demos. (#9386) 
* Handle the new `device` parameter in dask and demos.

- Check no ordinal is specified in the dask interface.
- Update demos.
- Update dask doc.
- Update the condition for QDM.
 2023-07-15 19:11:20 +08:00
Jiaming Yuan
ee6809e642
Use mmap for external memory. (#9282) 
- Have basic infrastructure for mmap.
- Release file write handle.
 2023-06-19 18:52:55 +08:00
Jiaming Yuan
0d3da9869c
Require isort on all Python files. (#8420) 2022-11-08 12:59:06 +08:00
Jiaming Yuan
4d81c741e9
External memory support for hist (#7531) 
* Generate column matrix from gHistIndex.
* Avoid synchronization with the sparse page once the cache is written.
* Cleanups: Remove member variables/functions, change the update routine to look like approx and gpu_hist.
* Remove pruner.
 2022-03-22 00:13:20 +08:00
Jiaming Yuan
c024c42dce
Modernize XGBoost Python document. (#7468) 
* Use sphinx gallery to integrate examples.
* Remove mock objects.
* Add dask doc inventory.
 2021-11-23 23:24:52 +08:00
Jiaming Yuan
6cdcfe8128
Improve external memory demo. (#7320) 
* Use npy format.
* Add evaluation.
* Use make_regression.
 2021-10-17 11:25:24 +08:00
Jiaming Yuan
e6088366df
Export Python Interface for external memory. (#7070) 
* Add Python iterator interface.
* Add tests.
* Add demo.
* Add documents.
* Handle empty dataset.
 2021-07-22 15:15:53 +08:00
Daniel Steinberg
68c55a37d9
Add cache name back to external_memory.py files. (#6088) 2020-09-06 16:01:09 +08:00
Jiaming Yuan
2c1a439869
Update Python demos with tests. (#5651) 
* Remove GPU memory usage demo.
* Add tests for demos.
* Remove `silent`.
* Remove shebang as it's not portable.
 2020-05-12 12:04:42 +08:00
LevineHuang
91af8f7106 Minor edits to coding style (#2835) 
* Some minor changes to the code style

Some minor changes to the code style in file basic_walkthrough.py

* coding style changes

* coding style changes arrcording PEP8

* Update basic_walkthrough.py
 2017-10-26 22:12:54 -05:00
tqchen
5123b07d73 add more docs 2015-04-19 00:55:11 -07:00