1 /*
  2  * Copyright (c) 2025, Oracle and/or its affiliates. All rights reserved.
  3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  4  *
  5  * This code is free software; you can redistribute it and/or modify it
  6  * under the terms of the GNU General Public License version 2 only, as
  7  * published by the Free Software Foundation.
  8  *
  9  * This code is distributed in the hope that it will be useful, but WITHOUT
 10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 12  * version 2 for more details (a copy is included in the LICENSE file that
 13  * accompanied this code).
 14  *
 15  * You should have received a copy of the GNU General Public License version
 16  * 2 along with this work; if not, write to the Free Software Foundation,
 17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 18  *
 19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 20  * or visit www.oracle.com if you need additional information or have any
 21  * questions.
 22  */
 23 package org.openjdk.bench.valhalla.field.copy;
 24 
 25 import org.openjdk.jmh.annotations.Benchmark;
 26 import org.openjdk.jmh.annotations.CompilerControl;
 27 import org.openjdk.jmh.annotations.Fork;
 28 import org.openjdk.jmh.annotations.Setup;
 29 
 30 @Fork(value = 3, jvmArgsAppend = {"--enable-preview"})
 31 public class Value032 extends CopyBase {
 32 
 33     public static class ValWrapper {
 34         public ValueInt f;
 35 
 36         public ValWrapper(ValueInt f) {
 37             this.f = f;
 38         }
 39     }
 40 
 41     public static class IntWrapper {
 42         public InterfaceInt f;
 43 
 44         public IntWrapper(ValueInt f) {
 45             this.f = f;
 46         }
 47     }
 48 
 49 
 50     public interface InterfaceInt {
 51         public int value();
 52     }
 53 
 54     public static value class ValueInt implements InterfaceInt {
 55         public final int value;
 56         public ValueInt(int value) {
 57             this.value = value;
 58         }
 59         public int value() {
 60             return value;
 61         }
 62     }
 63 
 64 
 65     public static class ValState extends SizeState {
 66         public ValWrapper[] arr;
 67 
 68         @Setup
 69         public void setup() {
 70             arr = new ValWrapper[size];
 71             for (int i = 0; i < size; i++) {
 72                 arr[i] = new ValWrapper(new ValueInt(i));
 73             }
 74         }
 75     }
 76 
 77     public static class IntState extends SizeState {
 78         public IntWrapper[] arr;
 79 
 80         @Setup
 81         public void setup() {
 82             arr = new IntWrapper[size];
 83             for (int i = 0; i < size; i++) {
 84                 arr[i] = new IntWrapper(new ValueInt(i));
 85             }
 86         }
 87     }
 88 
 89     @CompilerControl(CompilerControl.Mode.DONT_INLINE)
 90     public void copy(ValWrapper[] dst, ValWrapper[] src) {
 91         for (int i = 0; i < src.length; i++) {
 92             dst[i].f = src[i].f;
 93         }
 94     }
 95 
 96     @CompilerControl(CompilerControl.Mode.DONT_INLINE)
 97     public void copy_to_int(IntWrapper[] dst, ValWrapper[] src) {
 98         for (int i = 0; i < src.length; i++) {
 99             dst[i].f = src[i].f;
100         }
101     }
102 
103     @CompilerControl(CompilerControl.Mode.DONT_INLINE)
104     public void copy_to_val(ValWrapper[] dst, IntWrapper[] src) {
105         for (int i = 0; i < src.length; i++) {
106             dst[i].f = (ValueInt) src[i].f;
107         }
108     }
109 
110     @Benchmark
111     public void copy_val(ValState st1, ValState st2) {
112         copy(st1.arr, st2.arr);
113     }
114 
115     @Benchmark
116     public void copy_val_to_int(IntState st1, ValState st2) {
117         copy_to_int(st1.arr, st2.arr);
118     }
119 
120     @Benchmark
121     public void copy_int_to_val(ValState st1, IntState st2) {
122         copy_to_val(st1.arr, st2.arr);
123     }
124 
125 }