Add JDK 25 support with TornadoVM JDK25 and dual-JDK build profiles

.github/workflows/build-and-run.yml

@@ -78,7 +78,7 @@ jobs:
           # Export for current shell session
           export TORNADOVM_HOME="$FULL_SDK"
           export PATH="$FULL_SDK/bin:$JAVA_HOME/bin:$PATH"
-          
+
           # Save for subsequent steps
           echo "TORNADOVM_HOME=$FULL_SDK" >> $GITHUB_ENV
           echo "PATH=$PATH" >> $GITHUB_ENV

.github/workflows/deploy-maven-central.yml

@@ -22,12 +22,20 @@ on:
 
 jobs:
   deploy:
-    name: Deploy to Maven Central
+    name: Deploy to Maven Central (${{ matrix.jdk.name }})
     if: github.repository == 'beehive-lab/GPULlama3.java'
     runs-on: [self-hosted, Linux, x64]
     timeout-minutes: 15
+    strategy:
+      fail-fast: false  # if one JDK fails, still attempt the other
+      matrix:
+        jdk:
+          - name: jdk21
+            java_home: /opt/jenkins/jdks/graal-23.1.0/jdk-21.0.3
+          - name: jdk25
+            java_home: /opt/jenkins/jdks/jdk-25.0.2
     env:
-      JAVA_HOME: /opt/jenkins/jdks/graal-23.1.0/jdk-21.0.3
+      JAVA_HOME: ${{ matrix.jdk.java_home }}
 
     steps:
       - name: Checkout code
@@ -98,13 +106,15 @@ jobs:
       - name: Deployment Summary
         if: ${{ !inputs.dry_run }}
         run: |
-          echo "## 🚀 Maven Central Deployment" >> $GITHUB_STEP_SUMMARY
+          DEPLOYED_VERSION=$(./mvnw help:evaluate -Dexpression=project.version -q -DforceStdout 2>/dev/null)
+          echo "## 🚀 Maven Central Deployment (${{ matrix.jdk.name }})" >> $GITHUB_STEP_SUMMARY
           echo "" >> $GITHUB_STEP_SUMMARY
           echo "| Detail | Value |" >> $GITHUB_STEP_SUMMARY
           echo "|--------|-------|" >> $GITHUB_STEP_SUMMARY
-          echo "| Version | ${{ steps.version.outputs.version }} |" >> $GITHUB_STEP_SUMMARY
+          echo "| JDK | ${{ matrix.jdk.name }} |" >> $GITHUB_STEP_SUMMARY
+          echo "| Version | ${DEPLOYED_VERSION} |" >> $GITHUB_STEP_SUMMARY
           echo "| GroupId | io.github.beehive-lab |" >> $GITHUB_STEP_SUMMARY
           echo "| ArtifactId | gpu-llama3 |" >> $GITHUB_STEP_SUMMARY
           echo "| Status | ✅ Deployed |" >> $GITHUB_STEP_SUMMARY
           echo "" >> $GITHUB_STEP_SUMMARY
-          echo "📍 [View on Maven Central](https://central.sonatype.com/artifact/io.github.beehive-lab/gpu-llama3/${{ steps.version.outputs.version }})" >> $GITHUB_STEP_SUMMARY
+          echo "📍 [View on Maven Central](https://central.sonatype.com/artifact/io.github.beehive-lab/gpu-llama3/${DEPLOYED_VERSION})" >> $GITHUB_STEP_SUMMARY

.github/workflows/prepare-release.yml

@@ -68,14 +68,17 @@ jobs:
 
       - name: Update Maven version
         run: |
-          ./mvnw versions:set -DnewVersion=${{ env.VERSION }} -DgenerateBackupPoms=false
+          # Update <revision> property directly; versions:set would overwrite
+          # the CI-friendly ${revision}${jdk.version.suffix} expression.
+          sed -i 's|<revision>.*</revision>|<revision>${{ env.VERSION }}</revision>|' pom.xml
           echo "✅ Maven version updated to ${{ env.VERSION }}"
 
       - name: Update README.md
         run: |
           if [ -f "README.md" ]; then
-            # Update version in Maven dependency example
+            # Update version in Maven dependency examples (handles plain X.Y.Z and X.Y.Z-jdkNN suffixes)
             sed -i 's|<version>[0-9]\+\.[0-9]\+\.[0-9]\+</version>|<version>${{ env.VERSION }}</version>|g' README.md
+            sed -i 's|<version>[0-9]\+\.[0-9]\+\.[0-9]\+-jdk[0-9]\+</version>|<version>${{ env.VERSION }}-jdk25</version>|g' README.md
             echo "✅ Updated README.md"
           fi
 

.gitignore

@@ -6,6 +6,7 @@ pom.xml.versionsBackup
 pom.xml.next
 release.properties
 dependency-reduced-pom.xml
+.flattened-pom.xml
 buildNumber.properties
 .mvn/timing.properties
 .mvn/wrapper/maven-wrapper.jar

README.md

@@ -129,6 +129,7 @@ Despite being deprecated, OpenCL can still run on Apple Silicon; albeit, with ol
 
 You can add **GPULlama3.java** directly to your Maven project by including the following dependency in your `pom.xml`:
 
+**JDK 21:**
 ```xml
 <dependency>
     <groupId>io.github.beehive-lab</groupId>
@@ -137,6 +138,15 @@ You can add **GPULlama3.java** directly to your Maven project by including the f
 </dependency>
 ```
 
+**JDK 25:**
+```xml
+<dependency>
+    <groupId>io.github.beehive-lab</groupId>
+    <artifactId>gpu-llama3</artifactId>
+    <version>0.3.1-jdk25</version>
+</dependency>
+```
+
 ## ☕ Integration with Your Java Codebase or Tools
 
 To integrate it into your codebase or IDE (e.g., IntelliJ) or custom build system (like IntelliJ, Maven, or Gradle), use the `--show-command` flag.

pom.xml

@@ -7,7 +7,7 @@
         <!-- Use your verified namespace -->
         <groupId>io.github.beehive-lab</groupId>
         <artifactId>gpu-llama3</artifactId>
-        <version>0.3.3</version> <!-- release version (no -SNAPSHOT) -->
+        <version>${revision}${jdk.version.suffix}</version>
 
         <name>GPU Llama3</name>
         <description>GPU-accelerated LLaMA3 inference using TornadoVM</description>
@@ -37,6 +37,12 @@
         </scm>
 
         <properties>
+            <!-- CI-friendly version: resolved by flatten-maven-plugin at build time -->
+            <revision>0.3.1</revision>
+            <jdk.version.suffix></jdk.version.suffix>           <!-- empty=JDK21, -jdk25=JDK25 -->
+            <!-- TornadoVM version: overridden per JDK profile -->
+            <tornadovm.version>3.0.0</tornadovm.version>        <!-- JDK21 default -->
+            <!-- Compiler defaults (overridden by JDK profiles below) -->
             <maven.compiler.source>21</maven.compiler.source>
             <maven.compiler.target>21</maven.compiler.target>
             <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
@@ -54,31 +60,55 @@
             <dependency>
                 <groupId>io.github.beehive-lab</groupId>
                 <artifactId>tornado-api</artifactId>
-                <version>2.2.0</version>
+                <version>${tornadovm.version}</version>
             </dependency>
             <dependency>
                 <groupId>io.github.beehive-lab</groupId>
                 <artifactId>tornado-runtime</artifactId>
-                <version>2.2.0</version>
+                <version>${tornadovm.version}</version>
             </dependency>
         </dependencies>
 
         <build>
             <plugins>
-                <!-- Compiler -->
+                <!-- Compiler: enable-preview for both JDKs.
+                     --add-modules jdk.incubator.vector is added per JDK profile (see below).
+                     The Vector API remains in jdk.incubator.vector on both JDK 21 and JDK 25
+                     (JEP 508 — 10th Incubator in JDK 25); the flag is required for all JDKs. -->
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
                     <artifactId>maven-compiler-plugin</artifactId>
                     <version>3.11.0</version>
                     <configuration>
                         <compilerArgs>
                             <arg>--enable-preview</arg>
-                            <arg>--add-modules</arg>
-                            <arg>jdk.incubator.vector</arg>
                         </compilerArgs>
                     </configuration>
                 </plugin>
 
+                <!-- Flatten: resolves ${revision}${jdk.version.suffix} in the published POM -->
+                <plugin>
+                    <groupId>org.codehaus.mojo</groupId>
+                    <artifactId>flatten-maven-plugin</artifactId>
+                    <version>1.6.0</version>
+                    <configuration>
+                        <updatePomFile>true</updatePomFile>
+                        <flattenMode>resolveCiFriendliesOnly</flattenMode>
+                    </configuration>
+                    <executions>
+                        <execution>
+                            <id>flatten</id>
+                            <phase>process-resources</phase>
+                            <goals><goal>flatten</goal></goals>
+                        </execution>
+                        <execution>
+                            <id>flatten.clean</id>
+                            <phase>clean</phase>
+                            <goals><goal>clean</goal></goals>
+                        </execution>
+                    </executions>
+                </plugin>
+
                 <!-- Shade (fat jar) -->
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
@@ -103,6 +133,72 @@
 
         <!-- Profiles for optional/conditional builds -->
         <profiles>
+
+            <!-- ─── JDK 21 ───────────────────────────────────────────────────────────
+                 Auto-activates for JDK 21.x builds.
+                 Publishes: gpu-llama3:${revision}  (no suffix)
+                 TornadoVM: 3.0.0
+                 Adds add-modules jdk.incubator.vector (still incubating in JDK21)
+            ─────────────────────────────────────────────────────────────────────── -->
+            <profile>
+                <id>jdk21</id>
+                <activation><jdk>[21,25)</jdk></activation>
+                <properties>
+                    <maven.compiler.source>21</maven.compiler.source>
+                    <maven.compiler.target>21</maven.compiler.target>
+                    <tornadovm.version>3.0.0</tornadovm.version>
+                    <jdk.version.suffix></jdk.version.suffix>
+                </properties>
+                <build>
+                    <plugins>
+                        <plugin>
+                            <groupId>org.apache.maven.plugins</groupId>
+                            <artifactId>maven-compiler-plugin</artifactId>
+                            <configuration>
+                                <!-- Appended to enable-preview already in main build -->
+                                <compilerArgs combine.children="append">
+                                    <arg>--add-modules</arg>
+                                    <arg>jdk.incubator.vector</arg>
+                                </compilerArgs>
+                            </configuration>
+                        </plugin>
+                    </plugins>
+                </build>
+            </profile>
+
+            <!-- ─── JDK 25 ───────────────────────────────────────────────────────────
+                 Auto-activates for JDK 25.0.2+ builds (minimum required version).
+                 Publishes: gpu-llama3:${revision}-jdk25
+                 TornadoVM: 3.0.0-jdk25
+                 Vector API is still incubating in JDK 25 (JEP 508 — 10th Incubator);
+                 --add-modules jdk.incubator.vector is required for compilation.
+            ─────────────────────────────────────────────────────────────────────── -->
+            <profile>
+                <id>jdk25</id>
+                <activation><jdk>[25.0.2,)</jdk></activation>
+                <properties>
+                    <maven.compiler.source>25</maven.compiler.source>
+                    <maven.compiler.target>25</maven.compiler.target>
+                    <tornadovm.version>3.0.0-jdk25</tornadovm.version>
+                    <jdk.version.suffix>-jdk25</jdk.version.suffix>
+                </properties>
+                <build>
+                    <plugins>
+                        <plugin>
+                            <groupId>org.apache.maven.plugins</groupId>
+                            <artifactId>maven-compiler-plugin</artifactId>
+                            <configuration>
+                                <!-- Appended to enable-preview already in main build -->
+                                <compilerArgs combine.children="append">
+                                    <arg>--add-modules</arg>
+                                    <arg>jdk.incubator.vector</arg>
+                                </compilerArgs>
+                            </configuration>
+                        </plugin>
+                    </plugins>
+                </build>
+            </profile>
+
             <profile>
                 <id>release</id>
                 <properties>
@@ -126,20 +222,25 @@
                             </executions>
                         </plugin>
 
-                        <!-- Javadocs with preview feature support -->
+                        <!-- Javadocs with preview feature support.
+                             --add-modules jdk.incubator.vector is required on all currently
+                             supported JDKs (21 and 25) because the Vector API remains in the
+                             incubator module (JEP 508 — 10th Incubator in JDK 25). -->
                         <plugin>
                             <groupId>org.apache.maven.plugins</groupId>
                             <artifactId>maven-javadoc-plugin</artifactId>
                             <version>3.6.3</version>
                             <configuration>
-                                <source>21</source>
-                                <release>21</release>
+                                <source>${maven.compiler.source}</source>
+                                <release>${maven.compiler.source}</release>
                                 <additionalJOptions>
                                     <additionalJOption>--enable-preview</additionalJOption>
-                                    <additionalJOption>--add-modules=jdk.incubator.vector</additionalJOption>
+                                    <additionalJOption>--add-modules</additionalJOption>
+                                    <additionalJOption>jdk.incubator.vector</additionalJOption>
                                 </additionalJOptions>
                                 <additionalOptions>
                                     <additionalOption>--enable-preview</additionalOption>
+                                    <additionalOption>--add-modules jdk.incubator.vector</additionalOption>
                                 </additionalOptions>
                                 <failOnError>false</failOnError>
                                 <failOnWarnings>false</failOnWarnings>