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 Value128 extends CopyBase {
 32 
 33     public interface InterfaceInt {
 34         public int value();
 35     }
 36 
 37     public static value class ValueInt4 implements InterfaceInt {
 38 
 39         public final int prevalue0;
 40         public final int prevalue1;
 41         public final int prevalue2;
 42 
 43         public final int value;
 44 
 45         public ValueInt4(int value) {
 46             this.prevalue0 = value;
 47             this.prevalue1 = value;
 48             this.prevalue2 = value;
 49             this.value = value;
 50         }
 51 
 52         public int value() {
 53             return value;
 54         }
 55 
 56     }
 57 
 58     public static class ValState extends SizeState {
 59         public ValueInt4[] arr;
 60 
 61         @Setup
 62         public void setup() {
 63             arr = new ValueInt4[size];
 64             for (int i = 0; i < size; i++) {
 65                 arr[i] = new ValueInt4(i);
 66             }
 67         }
 68     }
 69 
 70     public static class IntState extends SizeState {
 71         public InterfaceInt[] arr;
 72 
 73         @Setup
 74         public void setup() {
 75             arr = new InterfaceInt[size];
 76             for (int i = 0; i < size; i++) {
 77                 arr[i] = new ValueInt4(i);
 78             }
 79         }
 80 
 81     }
 82 
 83     @CompilerControl(CompilerControl.Mode.DONT_INLINE)
 84     public void copy_val(ValueInt4[] dst, ValueInt4[] 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 copy_int(InterfaceInt[] dst, InterfaceInt[] src) {
 92         for (int i = 0; i < src.length; i++) {
 93             dst[i] = src[i];
 94         }
 95     }
 96 
 97     @CompilerControl(CompilerControl.Mode.DONT_INLINE)
 98     public void arraycopy_val(ValueInt4[] dst, ValueInt4[] src) {
 99         System.arraycopy(src, 0, dst, 0, src.length);
100     }
101 
102     @CompilerControl(CompilerControl.Mode.DONT_INLINE)
103     public void arraycopy_int(InterfaceInt[] dst, InterfaceInt[] src) {
104         System.arraycopy(src, 0, dst, 0, src.length);
105     }
106 
107     @Benchmark
108     public void copy_val_as_val(ValState st1, ValState st2) {
109         copy_val(st1.arr, st2.arr);
110     }
111 
112     @Benchmark
113     public void arraycopy_val_as_val(ValState st1, ValState st2) {
114         arraycopy_val(st1.arr, st2.arr);
115     }
116 
117     @Benchmark
118     public void copy_int_as_int(IntState st1, IntState st2) {
119         copy_int(st1.arr, st2.arr);
120     }
121 
122     @Benchmark
123     public void arraycopy_int_as_int(IntState st1, IntState st2) {
124         arraycopy_int(st1.arr, st2.arr);
125     }
126 
127 
128 }