Update JMH (#3531)

* Update JMH
* Restore workflow for benchmarks
* Simplify JMH setup

Author: qwwdfsad

.gitignore

@@ -12,4 +12,5 @@ build
 out
 target
 local.properties
+benchmarks.jar
 /kotlin-js-store

benchmarks/build.gradle.kts

@@ -4,12 +4,12 @@
 
 @file:Suppress("UnstableApiUsage")
 
-import me.champeau.gradle.*
+import me.champeau.jmh.*
 import org.jetbrains.kotlin.gradle.tasks.*
 
 plugins {
     id("com.github.johnrengelman.shadow")
-    id("me.champeau.gradle.jmh") apply false
+    id("me.champeau.jmh")
 }
 
 repositories {
@@ -21,33 +21,19 @@ java {
     targetCompatibility = JavaVersion.VERSION_1_8
 }
 
-apply(plugin="me.champeau.gradle.jmh")
-
 tasks.named<KotlinCompile>("compileJmhKotlin") {
     kotlinOptions {
         jvmTarget = "1.8"
         freeCompilerArgs += "-Xjvm-default=enable"
     }
 }
 
-// It is better to use the following to run benchmarks, otherwise you may get unexpected errors:
-// ./gradlew --no-daemon cleanJmhJar jmh -Pjmh="MyBenchmark"
-extensions.configure<JMHPluginExtension>("jmh") {
-    jmhVersion = "1.26"
-    duplicateClassesStrategy = DuplicatesStrategy.INCLUDE
-    failOnError = true
-    resultFormat = "CSV"
-    project.findProperty("jmh")?.also {
-        include = listOf(".*$it.*")
-    }
-//    includeTests = false
-}
-
 val jmhJarTask = tasks.named<Jar>("jmhJar") {
     archiveBaseName by "benchmarks"
     archiveClassifier by null
     archiveVersion by null
-    destinationDirectory.file("$rootDir")
+    archiveVersion.convention(null as String?)
+    destinationDirectory.set(file("$rootDir"))
 }
 
 tasks {
@@ -63,7 +49,7 @@ tasks {
 }
 
 dependencies {
-    implementation("org.openjdk.jmh:jmh-core:1.26")
+    implementation("org.openjdk.jmh:jmh-core:1.35")
     implementation("io.projectreactor:reactor-core:${version("reactor")}")
     implementation("io.reactivex.rxjava2:rxjava:2.1.9")
     implementation("com.github.akarnokd:rxjava2-extensions:0.20.8")

settings.gradle

@@ -5,10 +5,7 @@
 pluginManagement {
     plugins {
         id "org.openjfx.javafxplugin" version javafx_plugin_version
-
-        // JMH
-        id "net.ltgt.apt" version "0.21"
-        id "me.champeau.gradle.jmh" version "0.5.3"
+        id "me.champeau.jmh" version "0.6.8"
     }
 
     repositories {