README.md

xgboost4j4s

XGBoost4J with cross-version suffix

Usage

// available for Scala 2.11 and 2.12
libraryDependencies += "com.github.hirofumi" %% "xgboost4j" % "0.80-p1"

// available for Scala 2.11
libraryDependencies += "com.github.hirofumi" %% "xgboost4j-flink" % "0.80-p1"
libraryDependencies += "com.github.hirofumi" %% "xgboost4j-spark" % "0.80-p1"

Note

• You should use the above libraries with LC_NUMERIC=C (which is not overridden by LC_ALL) on macOS. Otherwise multi-threading may cause a segmentation fault.
• This library contains some GCC runtime libraries and I think GCC Runtime Library Exception can be applied. But I am not a lawyer.

Development

Prerequisites

• macOS
• Docker for Mac
• Ninja
• g++-7 (installed by Homebrew, i.e. brew install gcc@7)

How to Build and Test

$ make test

How to Release

$ make release

Prior Work

• dmlc/xgboost#2767
• https://github.com/criteo-forks/xgboost-jars
• https://github.com/nevillelyh/xgboost-dist
• https://github.com/myui/build-xgboost-jvm