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8 Commits

Author SHA1 Message Date
Jiaming Yuan
c4d721200a
Implement extend method for meta info. (#5800) 
* Implement extend for host device vector.
 2020-06-20 03:32:03 +08:00
Jiaming Yuan
38ee514787
Implement fast number serialization routines. (#5772) 
* Implement ryu algorithm.
* Implement integer printing.
* Full coverage roundtrip test.
 2020-06-17 12:39:23 +08:00
Rory Mitchell
b47b5ac771
Use hypothesis (#5759) 
* Use hypothesis

* Allow int64 array interface for groups

* Add packages to Windows CI

* Add to travis

* Make sure device index is set correctly

* Fix dask-cudf test

* appveyor
 2020-06-16 12:45:59 +12:00
Rory Mitchell
ca4e05660e
Purge device_helpers.cuh (#5534) 
* Simplifications with caching_device_vector

* Purge device helpers
 2020-04-15 21:51:56 +12:00
Rory Mitchell
9c56480c61
Support dmatrix construction from cupy array (#5206) 2020-01-22 13:15:27 +13:00
Jiaming Yuan
d30e63a0a5
Support feature names/types for cudf. (#4902) 
* Implement most of the pandas procedure for cudf except for type conversion.
* Requires an array of interfaces in metainfo.
 2019-09-29 15:07:51 -04:00
Jiaming Yuan
5374f52531
Complete cudf support. (#4850) 
* Handles missing value.
* Accept all floating point and integer types.
* Move to cudf 9.0 API.
* Remove requirement on `null_count`.
* Arbitrary column types support.
 2019-09-16 23:52:00 -04:00
Jiaming Yuan
9700776597 Cudf support. (#4745) 
* Initial support for cudf integration.

* Add two C APIs for consuming data and metainfo.

* Add CopyFrom for SimpleCSRSource as a generic function to consume the data.

* Add FromDeviceColumnar for consuming device data.

* Add new MetaInfo::SetInfo for consuming label, weight etc.
 2019-08-19 16:51:40 +12:00