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.array.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 interface InterfaceInt {
 34         public int value();
 35     }
 36 
 37     public static value class ValueInt implements InterfaceInt {
 38 
 39         public final int value;
 40 
 41         public ValueInt(int value) {
 42             this.value = value;
 43         }
 44 
 45         public int value() {
 46             return value;
 47         }
 48 
 49     }
 50 
 51     public static class ValState extends SizeState {
 52         public ValueInt[] arr;
 53 
 54         @Setup
 55         public void setup() {
 56             arr = new ValueInt[size];
 57             for (int i = 0; i < size; i++) {
 58                 arr[i] = new ValueInt(i);
 59             }
 60         }
 61     }
 62 
 63     public static class IntState extends SizeState {
 64         public InterfaceInt[] arr;
 65 
 66         @Setup
 67         public void setup() {
 68             arr = new InterfaceInt[size];
 69             for (int i = 0; i < size; i++) {
 70                 arr[i] = new ValueInt(i);
 71             }
 72         }
 73 
 74     }
 75 
 76     @CompilerControl(CompilerControl.Mode.DONT_INLINE)
 77     public void copy_val(ValueInt[] dst, ValueInt[] src) {
 78         for (int i = 0; i < src.length; i++) {
 79             dst[i] = src[i];
 80         }
 81     }
 82 
 83     @CompilerControl(CompilerControl.Mode.DONT_INLINE)
 84     public void copy_int(InterfaceInt[] dst, InterfaceInt[] src) {
 85         for (int i = 0; i < src.length; i++) {
 86             dst[i] = src[i];
 87         }
 88     }
 89 
 90     @CompilerControl(CompilerControl.Mode.DONT_INLINE)
 91     public void arraycopy_val(ValueInt[] dst, ValueInt[] src) {
 92         System.arraycopy(src, 0, dst, 0, src.length);
 93     }
 94 
 95     @CompilerControl(CompilerControl.Mode.DONT_INLINE)
 96     public void arraycopy_int(InterfaceInt[] dst, InterfaceInt[] src) {
 97         System.arraycopy(src, 0, dst, 0, src.length);
 98     }
 99 
100     @Benchmark
101     public void copy_val_as_val(ValState st1, ValState st2) {
102         copy_val(st1.arr, st2.arr);
103     }
104 
105     @Benchmark
106     public void arraycopy_val_as_val(ValState st1, ValState st2) {
107         arraycopy_val(st1.arr, st2.arr);
108     }
109 
110     @Benchmark
111     public void copy_int_as_int(IntState st1, IntState st2) {
112         copy_int(st1.arr, st2.arr);
113     }
114 
115     @Benchmark
116     public void arraycopy_int_as_int(IntState st1, IntState st2) {
117         arraycopy_int(st1.arr, st2.arr);
118     }
119 
120 }