chore: incubator module support for kotlin benchmarks

Author: sureshg

benchmarks/src/jvmMain/kotlin/JvmBenchmark.kt

@@ -1,17 +1,19 @@
 package bench
 
-import java.util.concurrent.*
+import java.util.concurrent.TimeUnit
+import jdk.incubator.vector.LongVector
 import org.openjdk.jmh.annotations.*
 
 const val WARMUP_ITERATIONS = 20
 
 @State(Scope.Benchmark)
-@Fork(1)
 @BenchmarkMode(Mode.AverageTime)
 @OutputTimeUnit(TimeUnit.NANOSECONDS)
 @Warmup(iterations = WARMUP_ITERATIONS, time = 1, timeUnit = TimeUnit.SECONDS)
 @Measurement(iterations = 1, time = 1, timeUnit = TimeUnit.SECONDS)
+@Fork(value = 1, jvmArgsAppend = ["--add-modules=jdk.incubator.vector"])
 class JvmTestBenchmark {
+
   private var data = 0.0
 
   @Setup
@@ -28,4 +30,6 @@ class JvmTestBenchmark {
   fun cosBenchmark(): Double {
     return Math.cos(data)
   }
+
+  @Benchmark fun vectorAPI() = LongVector.SPECIES_PREFERRED.length()
 }

gradle/build-logic/common-plugins/src/main/kotlin/common/KotlinExtns.kt

@@ -16,6 +16,7 @@ import org.jetbrains.kotlin.gradle.plugin.KotlinDependencyHandler
 import org.jetbrains.kotlin.gradle.plugin.LanguageSettingsBuilder
 import org.jetbrains.kotlin.gradle.targets.js.npm.tasks.KotlinNpmInstallTask
 import org.jetbrains.kotlin.gradle.targets.jvm.tasks.KotlinJvmTest
+import org.jetbrains.kotlin.gradle.testing.internal.KotlinTestReport
 import java.nio.file.Path
 
 /** Java version properties. */
@@ -188,6 +189,10 @@ fun KotlinJvmTest.configureKotlinTest() {
   configureJavaTest()
 }
 
+context(Project)
+fun KotlinTestReport.configureTestReport() {
+}
+
 context(Project)
 fun Test.configureJavaTest() {
   useJUnitPlatform()

gradle/build-logic/common-plugins/src/main/kotlin/plugins/kotlin.benchmark.gradle.kts

@@ -1,9 +1,7 @@
 package plugins
 
 import common.libs
-import kotlinx.benchmark.gradle.BenchmarkTarget
-import kotlinx.benchmark.gradle.JvmBenchmarkTarget
-import kotlinx.benchmark.gradle.benchmark
+import kotlinx.benchmark.gradle.*
 import org.jetbrains.kotlin.gradle.dsl.KotlinMultiplatformExtension
 
 /**
@@ -36,7 +34,7 @@ benchmark {
       iterations = 5 // number of iterations
       iterationTime = 3 // time in seconds per iteration
       iterationTimeUnit = "ms"
-      advanced("jvmForks", 3)
+      advanced("jvmForks", "definedByJmh")
       advanced("jsUseBridge", true)
     }
   }
@@ -48,6 +46,8 @@ kotlin.sourceSets.named("commonMain") {
   dependencies { implementation(libs.kotlinx.bench.runtime) }
 }
 
+tasks { withType(JmhBytecodeGeneratorTask::class) {} }
+
 fun BenchmarkTarget.configureJmh() {
   this as JvmBenchmarkTarget
   jmhVersion = libs.versions.jmh.get()

gradle/build-logic/common-plugins/src/main/kotlin/plugins/kotlin.mpp.gradle.kts

@@ -83,6 +83,8 @@ kotlinMultiplatform.apply {
 
       // distribution { outputDirectory = file("$projectDir/docs") }
     }
+
+    testRuns.configureEach { executionTask.configure { configureTestReport() } }
   }
 
   // Disable wasm by default as some of the common dependencies are not compatible with wasm.