Updates XGBoost to 2.0.1 (#2833)

* Updates XGBoost to 2.0.1

* Use devtools 8

* Updates based on new Xgboost JNI API.

---------

Co-authored-by: Frank Liu <[email protected]>

Author: zachgk

.github/workflows/native_s3_xgboost.yml

@@ -34,7 +34,7 @@ jobs:
         run: |
           yum -y update
           yum -y install centos-release-scl-rh epel-release
-          yum -y install devtoolset-7 git patch libstdc++-static curl python3-devel
+          yum -y install devtoolset-8 git patch libstdc++-static curl python3-devel
           curl -L -o cmake.tar.gz https://github.com/Kitware/CMake/releases/download/v3.27.0-rc2/cmake-3.27.0-rc2-linux-aarch64.tar.gz
           tar xvfz cmake.tar.gz
           ln -sf $PWD/cmake-3.*/bin/cmake /usr/bin/cmake
@@ -50,7 +50,7 @@ jobs:
           XGBOOST_VERSION=${{ github.event.inputs.xgb_version }}
           XGBOOST_VERSION=${XGBOOST_VERSION:-$(cat gradle.properties | awk -F '=' '/xgboost_version/ {print $2}')}
           git clone https://github.com/dmlc/xgboost --recursive -b v"$XGBOOST_VERSION"
-          export PATH=$PATH:/opt/rh/devtoolset-7/root/usr/bin
+          export PATH=$PATH:/opt/rh/devtoolset-8/root/usr/bin
           cd xgboost/jvm-packages
           python3 create_jni.py
           cd ../..

engines/ml/xgboost/src/main/java/ai/djl/ml/xgboost/XgbNDManager.java

@@ -39,6 +39,7 @@ public class XgbNDManager extends BaseNDManager {
     private static final XgbNDManager SYSTEM_MANAGER = new SystemManager();
 
     private float missingValue = Float.NaN;
+    private int nthread = 1;
 
     private XgbNDManager(NDManager parent, Device device) {
         super(parent, device);
@@ -57,6 +58,15 @@ public void setMissingValue(float missingValue) {
         this.missingValue = missingValue;
     }
 
+    /**
+     * Sets the default number of threads.
+     *
+     * @param nthread the default number of threads
+     */
+    public void setNthread(int nthread) {
+        this.nthread = nthread;
+    }
+
     /** {@inheritDoc} */
     @Override
     public ByteBuffer allocateDirect(int capacity) {
@@ -166,7 +176,7 @@ public NDArray createCSR(Buffer buffer, long[] indptr, long[] indices, Shape sha
         int[] intIndices = Arrays.stream(indices).mapToInt(Math::toIntExact).toArray();
         float[] data = new float[buffer.remaining()];
         ((FloatBuffer) buffer).get(data);
-        long handle = JniUtils.createDMatrixCSR(indptr, intIndices, data);
+        long handle = JniUtils.createDMatrixCSR(indptr, intIndices, data, missingValue, nthread);
         return new XgbNDArray(this, alternativeManager, handle, shape, SparseFormat.CSR);
     }
 

engines/ml/xgboost/src/main/java/ml/dmlc/xgboost4j/java/JniUtils.java

@@ -67,9 +67,12 @@ public static long createDMatrix(ColumnBatch columnBatch, float missing, int nth
         return handles[0];
     }
 
-    public static long createDMatrixCSR(long[] indptr, int[] indices, float[] array) {
+    public static long createDMatrixCSR(
+            long[] indptr, int[] indices, float[] array, float missing, int nthread) {
         long[] handles = new long[1];
-        checkCall(XGBoostJNI.XGDMatrixCreateFromCSREx(indptr, indices, array, 0, handles));
+        checkCall(
+                XGBoostJNI.XGDMatrixCreateFromCSR(
+                        indptr, indices, array, 0, missing, nthread, handles));
         return handles[0];
     }
 

engines/ml/xgboost/src/test/java/ai/djl/ml/xgboost/XgbModelTest.java

@@ -53,7 +53,7 @@ public void downloadXGBoostModel() throws IOException {
     @Test
     public void testVersion() {
         Engine engine = Engine.getEngine("XGBoost");
-        Assert.assertEquals("1.7.5", engine.getVersion());
+        Assert.assertEquals("2.0.1", engine.getVersion());
     }
 
     /*
@@ -93,6 +93,7 @@ public void testNDArray() {
         try (XgbNDManager manager =
                 (XgbNDManager) XgbNDManager.getSystemManager().newSubManager()) {
             manager.setMissingValue(Float.NaN);
+            manager.setNthread(1);
             NDArray zeros = manager.zeros(new Shape(1, 2));
             Assert.expectThrows(UnsupportedOperationException.class, zeros::toFloatArray);
 

gradle.properties

@@ -22,7 +22,7 @@ paddlepaddle_version=2.3.2
 sentencepiece_version=0.1.97
 tokenizers_version=0.14.1
 fasttext_version=0.9.2
-xgboost_version=1.7.5
+xgboost_version=2.0.1
 lightgbm_version=3.2.110
 rapis_version=22.12.0