Fix tests and benchmarks in GraalVM Native Images

.github/workflows/kt-bench.yml

@@ -74,8 +74,34 @@ jobs:
           name: ${{ matrix.target }}-benchmarks
           path: kt/aoc2024-exe/build/reports/benchmarks
 
+  graalvm:
+    needs: [ assemble, get-inputs ]
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/download-artifact@v4
+        with:
+          name: inputs
+          path: inputs
+      - uses: graalvm/setup-graalvm@v1
+        with:
+          java-version: 21
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+      - uses: gradle/actions/setup-gradle@v4
+        with:
+          cache-read-only: true
+      - run: ./gradlew --no-configuration-cache -Pagent nativeBenchmarkRun
+        working-directory: kt
+        env:
+          AOC2024_DATADIR: ${{ github.workspace }}/inputs
+      - uses: actions/upload-artifact@v4
+        with:
+          name: graalvm-benchmarks
+          path: kt/graalvm/build/reports/benchmarks
+
   docs:
-    needs: [ jmh-visualizer, build ]
+    needs: [ jmh-visualizer, build, graalvm ]
     runs-on: ubuntu-latest
 
     steps:
@@ -97,13 +123,17 @@ jobs:
         with:
           name: linuxX64-benchmarks
           path: benchmarks
+      - uses: actions/download-artifact@v4
+        with:
+          name: graalvm-benchmarks
+          path: benchmarks
       - run: rm -rf jmh-visualizer
       - run: unzip -d jmh-visualizer jmh-visualizer.zip
       - name: Create provided.js
         run: |
-          shopt -s failglob
+          shopt -s failglob globstar
           names=() jsonargs=()
-          for file in benchmarks/main/*/*.json; do
+          for file in benchmarks/**/*.json; do
             name=${file##*/}
             name=${name%.*}
             name=${name%Bench}

.github/workflows/kt.yml

@@ -25,23 +25,13 @@ jobs:
         with:
           distribution: temurin
           java-version: 21
-      - uses: graalvm/setup-graalvm@v1
-        with:
-          java-version: 21
-          github-token: ${{ secrets.GITHUB_TOKEN }}
-          set-java-home: false
-          components: native-image
       - uses: gradle/actions/setup-gradle@v4
-      - run: ./gradlew build nativeCompile distZip
+      - run: ./gradlew build distZip
         working-directory: kt
       - uses: actions/upload-artifact@v4
         with:
           name: aoc2024-exe
           path: kt/aoc2024-exe/build/distributions/*.zip
-      - uses: actions/upload-artifact@v4
-        with:
-          name: aoc2024-native
-          path: kt/graalvm/build/native/nativeCompile/*
       - uses: actions/upload-artifact@v4
         with:
           name: aoc2024-kexe
@@ -57,6 +47,23 @@ jobs:
           name: aoc2024-js
           path: kt/build/js/packages/aoc2024-aoc2024-exe/kotlin/*
 
+  graalvm:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+      - uses: graalvm/setup-graalvm@v1
+        with:
+          java-version: 21
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+      - uses: gradle/actions/setup-gradle@v4
+      - run: ./gradlew --no-configuration-cache nativeTest nativeCompile
+        working-directory: kt
+      - uses: actions/upload-artifact@v4
+        with:
+          name: aoc2024-native
+          path: kt/graalvm/build/nativeCompile/*
+
   run-jvm:
     needs: [ get-inputs, build ]
     runs-on: ubuntu-latest
@@ -79,7 +86,7 @@ jobs:
           AOC2024_DATADIR: inputs
 
   run-graalvm:
-    needs: [ get-inputs, build ]
+    needs: [ get-inputs, graalvm ]
     runs-on: ubuntu-latest
 
     steps:

kt/README.md

@@ -26,3 +26,25 @@ Run all checks, including [Detekt](https://detekt.github.io/) static code analys
 ```sh
 ./gradlew check
 ```
+
+## [GraalVM](https://www.graalvm.org/)
+
+Run the test suite as a GraalVM Native Image:
+
+```sh
+export GRAALVM_HOME=...
+./gradlew --no-configuration-cache :graalvm:nativeTest
+```
+
+Run [JMH](https://openjdk.java.net/projects/code-tools/jmh/) benchmarks as a GraalVM Native Image:
+
+```sh
+export GRAALVM_HOME=...
+./gradlew --no-configuration-cache -Pagent :graalvm:nativeBenchmarkRun
+```
+
+Print solutions for the inputs provided in local data files as a GraalVM Native Image:
+
+```sh
+./gradlew --no-configuration-cache :graalvm:nativeRun
+```

kt/graalvm/build.gradle.kts

@@ -1,3 +1,8 @@
+import org.graalvm.buildtools.gradle.internal.agent.AgentConfigurationFactory
+import java.time.LocalDateTime
+import java.time.format.DateTimeFormatter
+import java.util.function.Predicate
+
 plugins {
     application
     alias(libs.plugins.native.image)
@@ -7,7 +12,53 @@ application {
     mainClass.set("com.github.ephemient.aoc2024.exe.Main")
 }
 
+val benchmarkDir = layout.buildDirectory
+    .dir(
+        "reports/benchmarks/main/" +
+                LocalDateTime.now().format(DateTimeFormatter.ISO_DATE_TIME).replace(':', '.')
+    )
+
 val benchmark by sourceSets.creating
+val benchmarkRun by tasks.registering(JavaExec::class) {
+    System.getenv("GRAALVM_HOME")?.ifEmpty { null }?.let { setExecutable("$it/bin/java") }
+    mainClass = "org.openjdk.jmh.Main"
+    classpath(benchmark.output, benchmark.runtimeClasspath)
+    args("-f", 0, "-wi", 1, "-w", "0s", "-r", "0s", "-bm", "avgt", "-tu", "us", "-i", 1)
+    args("-rf", "json", "-rff", "/dev/null")
+    outputs.dir(AgentConfigurationFactory.getAgentOutputDirectoryForTask(layout, name))
+}
+val syncBenchmarkRunMetadata by tasks.registering(Sync::class) {
+    into(layout.buildDirectory.dir("generated/resources/benchmark"))
+    from(benchmarkRun) {
+        into("META-INF/native-image/com.github.ephemient.aoc2024/benchmark")
+    }
+}
+graalvmNative {
+    binaries {
+        getByName("main") {
+            imageName = "aoc2024-native"
+        }
+        create("benchmark") {
+            imageName = "aoc2024-native-benchmark"
+            mainClass = "org.openjdk.jmh.Main"
+            classpath(syncBenchmarkRunMetadata, benchmark.output, benchmark.runtimeClasspath)
+            runtimeArgs("-f", 0, "-wi", 1, "-w", "1s", "-r", "1s", "-bm", "avgt", "-tu", "us")
+            val benchmarkFile = benchmarkDir.get().file("graalvmBench.json")
+            runtimeArgs("-rf", "json", "-rff", benchmarkFile.asFile)
+            findProperty("benchmarkInclude")?.let { runtimeArgs("-e", it) }
+            findProperty("benchmarkExclude")?.let { runtimeArgs(it) }
+        }
+    }
+    agent {
+        tasksToInstrumentPredicate.set(Predicate { it.name == "benchmarkRun" })
+    }
+}
+tasks.named("nativeBenchmarkRun") {
+    val benchmarkDir = benchmarkDir.get()
+    outputs.file(benchmarkDir.file("graalvmBench.json"))
+    doFirst { benchmarkDir.asFile.mkdirs() }
+}
+
 val externalTestClasses = configurations.dependencyScope("externalTestClasses")
 val externalTestClasspath = configurations.resolvable("externalTestClasspath") {
     extendsFrom(externalTestClasses.get())
@@ -22,6 +73,10 @@ val externalTestClasspath = configurations.resolvable("externalTestClasspath") {
 configurations.testImplementation {
     extendsFrom(externalTestClasses.get())
 }
+tasks.named<Test>("test") {
+    testClassesDirs = files(testClassesDirs, externalTestClasspath.get())
+    useJUnitPlatform()
+}
 
 dependencies {
     implementation(projects.aoc2024Exe)
@@ -37,20 +92,3 @@ dependencies {
         }
     }
 }
-
-graalvmNative {
-    binaries {
-        getByName("main") {
-            imageName = "aoc2024-native"
-        }
-        create("benchmark") {
-            mainClass = "org.openjdk.jmh.Main"
-            classpath(benchmark.runtimeClasspath)
-        }
-    }
-}
-
-tasks.withType<Test>().configureEach {
-    testClassesDirs = files(testClassesDirs, externalTestClasspath.get())
-    useJUnitPlatform()
-}

kt/graalvm/src/benchmark/resources/META-INF/native-image/com.github.ephemient.aoc22024/graalvm/native-image.properties

@@ -0,0 +1 @@
+Args = --initialize-at-build-time=org.openjdk.jmh.infra,org.openjdk.jmh.util.Utils,org.openjdk.jmh.runner.InfraControl,org.openjdk.jmh.runner.InfraControlL0,org.openjdk.jmh.runner.InfraControlL1,org.openjdk.jmh.runner.InfraControlL2,org.openjdk.jmh.runner.InfraControlL3,org.openjdk.jmh.runner.InfraControlL4

kt/graalvm/src/test/resources/META-INF/native-image/com.github.ephemient.aoc22024/graalvm/native-image.properties

@@ -0,0 +1 @@
+Args = --initialize-at-build-time=kotlin.annotation.AnnotationRetention,kotlin.annotation.AnnotationTarget

kt/gradle.properties

@@ -1,5 +1,5 @@
 kotlin.code.style=official
 org.gradle.caching=true
-#org.gradle.configuration-cache=true
+org.gradle.configuration-cache=true
 org.gradle.jvmargs=-Xmx2g -XX:MaxMetaspaceSize=512m -XX:+UseParallelGC -XX:+HeapDumpOnOutOfMemoryError -Dfile.encoding=UTF-8
 org.gradle.parallel=true