Adding benchmark comparing the Carriers variants.

test/micro/org/openjdk/bench/java/lang/runtime/CarriersBenchmark.java

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+/*
+ * Copyright (c) 2021, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package org.openjdk.bench.java.lang.runtime;
+
+import java.lang.invoke.MethodHandle;
+import java.lang.invoke.MethodType;
+import java.lang.runtime.ArrayCarriers;
+import java.lang.runtime.Carriers;
+import java.lang.runtime.MethodHandleCarriers;
+import org.openjdk.jmh.annotations.Benchmark;
+import org.openjdk.jmh.annotations.Fork;
+import org.openjdk.jmh.annotations.Scope;
+import org.openjdk.jmh.annotations.State;
+import org.openjdk.jmh.infra.Blackhole;
+import org.openjdk.jmh.runner.Runner;
+import org.openjdk.jmh.runner.RunnerException;
+import org.openjdk.jmh.runner.options.Options;
+import org.openjdk.jmh.runner.options.OptionsBuilder;
+
+
+@State(Scope.Benchmark)
+@Fork(1)
+public class CarriersBenchmark {
+
+    private static final MethodHandle carriersConstructor;
+    private static final MethodHandle carriersComponent0;
+    private static final MethodHandle carriersComponent1;
+    private static final MethodHandle arrayCarriersConstructor;
+    private static final MethodHandle arrayCarriersComponent0;
+    private static final MethodHandle arrayCarriersComponent1;
+    private static final MethodHandle methodHandleConstructor;
+    private static final MethodHandle methodHandleComponent0;
+    private static final MethodHandle methodHandleComponent1;
+
+    private static final MethodHandle carriersConstructor_2;
+    private static final MethodHandle carriersComponent0_2;
+    private static final MethodHandle carriersComponent1_2;
+    private static final MethodHandle carriersComponent2_2;
+    private static final MethodHandle carriersComponent3_2;
+    private static final MethodHandle carriersComponent4_2;
+    private static final MethodHandle carriersComponent5_2;
+    private static final MethodHandle arrayCarriersConstructor_2;
+    private static final MethodHandle arrayCarriersComponent0_2;
+    private static final MethodHandle arrayCarriersComponent1_2;
+    private static final MethodHandle arrayCarriersComponent2_2;
+    private static final MethodHandle arrayCarriersComponent3_2;
+    private static final MethodHandle arrayCarriersComponent4_2;
+    private static final MethodHandle arrayCarriersComponent5_2;
+    private static final MethodHandle methodHandleCarriersConstructor_2;
+    private static final MethodHandle methodHandleCarriersComponent0_2;
+    private static final MethodHandle methodHandleCarriersComponent1_2;
+    private static final MethodHandle methodHandleCarriersComponent2_2;
+    private static final MethodHandle methodHandleCarriersComponent3_2;
+    private static final MethodHandle methodHandleCarriersComponent4_2;
+    private static final MethodHandle methodHandleCarriersComponent5_2;
+
+    static {
+        MethodType dataType = MethodType.methodType(Object.class, int.class, String.class);
+        carriersConstructor = Carriers.initializingConstructor(dataType);
+        carriersComponent0 = Carriers.component(dataType, 0);
+        carriersComponent1 = Carriers.component(dataType, 1);
+        arrayCarriersConstructor = ArrayCarriers.initializingConstructor(dataType);
+        arrayCarriersComponent0 = ArrayCarriers.component(dataType, 0);
+        arrayCarriersComponent1 = ArrayCarriers.component(dataType, 1);
+        methodHandleConstructor = MethodHandleCarriers.initializingConstructor(dataType);
+        methodHandleComponent0 = MethodHandleCarriers.component(dataType, 0);
+        methodHandleComponent1 = MethodHandleCarriers.component(dataType, 1);
+
+        MethodType dataType_2 = MethodType.methodType(Object.class, boolean.class, int.class, long.class, float.class, double.class, String.class);
+        carriersConstructor_2 = Carriers.initializingConstructor(dataType_2);
+        carriersComponent0_2 = Carriers.component(dataType_2, 0);
+        carriersComponent1_2 = Carriers.component(dataType_2, 1);
+        carriersComponent2_2 = Carriers.component(dataType_2, 2);
+        carriersComponent3_2 = Carriers.component(dataType_2, 3);
+        carriersComponent4_2 = Carriers.component(dataType_2, 4);
+        carriersComponent5_2 = Carriers.component(dataType_2, 5);
+        arrayCarriersConstructor_2 = ArrayCarriers.initializingConstructor(dataType_2);
+        arrayCarriersComponent0_2 = ArrayCarriers.component(dataType_2, 0);
+        arrayCarriersComponent1_2 = ArrayCarriers.component(dataType_2, 1);
+        arrayCarriersComponent2_2 = ArrayCarriers.component(dataType_2, 2);
+        arrayCarriersComponent3_2 = ArrayCarriers.component(dataType_2, 3);
+        arrayCarriersComponent4_2 = ArrayCarriers.component(dataType_2, 4);
+        arrayCarriersComponent5_2 = ArrayCarriers.component(dataType_2, 5);
+        methodHandleCarriersConstructor_2 = MethodHandleCarriers.initializingConstructor(dataType_2);
+        methodHandleCarriersComponent0_2 = MethodHandleCarriers.component(dataType_2, 0);
+        methodHandleCarriersComponent1_2 = MethodHandleCarriers.component(dataType_2, 1);
+        methodHandleCarriersComponent2_2 = MethodHandleCarriers.component(dataType_2, 2);
+        methodHandleCarriersComponent3_2 = MethodHandleCarriers.component(dataType_2, 3);
+        methodHandleCarriersComponent4_2 = MethodHandleCarriers.component(dataType_2, 4);
+        methodHandleCarriersComponent5_2 = MethodHandleCarriers.component(dataType_2, 5);
+    }
+
+    private final Data[] data = new Data[] {
+        new Data(0, "name0"),
+        new Data(1, "name1"),
+        new Data(2, "name2"),
+        new Data(1024, "name2"),
+        new Data(Integer.MIN_VALUE, "name2"),
+        new Data(Integer.MAX_VALUE, "name2")
+    };
+
+    @Benchmark
+    public void carriers(Blackhole b) throws Throwable {
+        for (Data d : data) {
+            Object carrier = carriersConstructor.invoke(d.i(), d.s());
+            b.consume((int) carriersComponent0.invoke(carrier));
+            b.consume((String) carriersComponent1.invoke(carrier));
+        }
+    }
+
+    @Benchmark
+    public void arrayCarriers(Blackhole b) throws Throwable {
+        for (Data d : data) {
+            Object carrier = arrayCarriersConstructor.invoke(d.i(), d.s());
+            b.consume((int) arrayCarriersComponent0.invoke(carrier));
+            b.consume((String) arrayCarriersComponent1.invoke(carrier));
+        }
+    }
+
+    @Benchmark
+    public void methodHandleCarriers(Blackhole b) throws Throwable {
+        for (Data d : data) {
+            Object carrier = methodHandleConstructor.invoke(d.i(), d.s());
+            b.consume((int) methodHandleComponent0.invoke(carrier));
+            b.consume((String) methodHandleComponent1.invoke(carrier));
+        }
+    }
+
+    private final Data_2[] data_2 = new Data_2[] {
+        new Data_2(true, 0, 1, 2, 3, "name0"),
+        new Data_2(true, Integer.MAX_VALUE, 1, 2, 3, "name0"),
+        new Data_2(true, Integer.MAX_VALUE, Long.MIN_VALUE, 2, 3, "name0"),
+        new Data_2(true, Integer.MAX_VALUE, Long.MIN_VALUE, Float.MAX_VALUE, Double.MIN_VALUE, "name0"),
+    };
+
+    @Benchmark
+    public void carriers_2(Blackhole b) throws Throwable {
+        for (Data_2 d : data_2) {
+            Object carrier = carriersConstructor_2.invoke(d.b(), d.i(), d.l(), d.f(), d.d(), d.s());
+            b.consume((boolean) carriersComponent0_2.invoke(carrier));
+            b.consume((int) carriersComponent1_2.invoke(carrier));
+            b.consume((long) carriersComponent2_2.invoke(carrier));
+            b.consume((float) carriersComponent3_2.invoke(carrier));
+            b.consume((double) carriersComponent4_2.invoke(carrier));
+            b.consume((String) carriersComponent5_2.invoke(carrier));
+        }
+    }
+
+    @Benchmark
+    public void arrayCarriers_2(Blackhole b) throws Throwable {
+        for (Data_2 d : data_2) {
+            Object carrier = arrayCarriersConstructor_2.invoke(d.b(), d.i(), d.l(), d.f(), d.d(), d.s());
+            b.consume((boolean) arrayCarriersComponent0_2.invoke(carrier));
+            b.consume((int) arrayCarriersComponent1_2.invoke(carrier));
+            b.consume((long) arrayCarriersComponent2_2.invoke(carrier));
+            b.consume((float) arrayCarriersComponent3_2.invoke(carrier));
+            b.consume((double) arrayCarriersComponent4_2.invoke(carrier));
+            b.consume((String) arrayCarriersComponent5_2.invoke(carrier));
+        }
+    }
+
+    @Benchmark
+    public void methodHandleCarriers_2(Blackhole b) throws Throwable {
+        for (Data_2 d : data_2) {
+            Object carrier = methodHandleCarriersConstructor_2.invoke(d.b(), d.i(), d.l(), d.f(), d.d(), d.s());
+            b.consume((boolean) methodHandleCarriersComponent0_2.invoke(carrier));
+            b.consume((int) methodHandleCarriersComponent1_2.invoke(carrier));
+            b.consume((long) methodHandleCarriersComponent2_2.invoke(carrier));
+            b.consume((float) methodHandleCarriersComponent3_2.invoke(carrier));
+            b.consume((double) methodHandleCarriersComponent4_2.invoke(carrier));
+            b.consume((String) methodHandleCarriersComponent5_2.invoke(carrier));
+        }
+    }
+
+    public static void main(String[] args) throws RunnerException {
+        Options opt = new OptionsBuilder()
+                .include(CarriersBenchmark.class.getSimpleName())
+                .build();
+
+        new Runner(opt).run();
+    }
+
+    record Data(int i, String s) {}
+    record Data_2(boolean b, int i, long l, float f, double d, String s) {}
+}