トップレベル関数向けベンチマークを追加

Author: k163377

src/jmh/kotlin/com/mapk/fastkfunction/singleargfastkfunction/CallTopLevelFunBenchmark.kt

@@ -0,0 +1,43 @@
+package com.mapk.fastkfunction.singleargfastkfunction
+
+import com.mapk.fastkfunction.FastKFunction
+import com.mapk.fastkfunction.SingleArgFastKFunction
+import com.mapk.fastkfunction.argumentbucket.ArgumentBucket
+import org.openjdk.jmh.annotations.Benchmark
+import org.openjdk.jmh.annotations.Scope
+import org.openjdk.jmh.annotations.State
+import java.lang.reflect.Method
+import kotlin.reflect.KFunction
+import kotlin.reflect.KParameter
+import kotlin.reflect.jvm.javaMethod
+
+@State(Scope.Benchmark)
+open class CallTopLevelFunBenchmark {
+    private val argument = 1
+
+    private val function: KFunction<Constructor1> = ::topLevelFun1
+    private val argumentMap: Map<KParameter, Any?> = mapOf(function.parameters.single() to argument)
+
+    private val javaMethod: Method = function.javaMethod!!
+    private val fastKFunction: FastKFunction<Constructor1> = FastKFunction.of(function, null)
+    private val singleArgFastKFunction: SingleArgFastKFunction<Constructor1> =
+        SingleArgFastKFunction.of(function, null)
+
+    @Benchmark
+    fun normalCall(): Constructor1 = topLevelFun1(argument)
+
+    @Benchmark
+    fun kFunctionCall(): Constructor1 = function.call(argument)
+
+    @Benchmark
+    fun kFunctionCallBy(): Constructor1 = function.callBy(argumentMap)
+
+    @Benchmark
+    fun javaMethod(): Constructor1 = javaMethod.invoke(null, argument) as Constructor1
+
+    @Benchmark
+    fun fastKFunctionCall(): Constructor1 = fastKFunction.call(argument)
+
+    @Benchmark
+    fun singleArgFastKFunctionCall(): Constructor1 = singleArgFastKFunction.call(argument)
+}