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[jvm-packages] Add BigDenseMatrix (#4383)

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* Add BigDenseMatrix

* ability to create DMatrix with bigger than Integer.MAX_VALUE size arrays
* uses sun.misc.Unsafe

* make DMatrix test work from a jar as well
This commit is contained in:
Honza Sterba
2019-09-19 05:46:14 +02:00
committed by Philip Hyunsu Cho
parent 57106a3459
commit 22209b7b95
8 changed files with 300 additions and 1 deletions
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4
jvm-packages/create_jni.py
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@@ -119,3 +119,7 @@ if __name__ == "__main__":
cp(file, "xgboost4j-spark/src/test/resources")
for file in glob.glob("../demo/data/agaricus.*"):
cp(file, "xgboost4j-spark/src/test/resources")
maybe_makedirs("xgboost4j/src/test/resources")
for file in glob.glob("../demo/data/agaricus.*"):
cp(file, "xgboost4j/src/test/resources")