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.read;
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 import org.openjdk.jmh.infra.Blackhole;
30 
31 @Fork(value = 3, jvmArgsAppend = {"--enable-preview"})
32 public class Value032 extends ReadBase {
33 
34     public static class ValWrapper {
35         public ValueInt f;
36 
37         public ValWrapper(ValueInt f) {
38             this.f = f;
39         }
40     }
41 
42     public interface InterfaceInt {
43         public int value();
44     }
45 
46     public static value class ValueInt implements InterfaceInt {
47         public final int value;
48         public ValueInt(int value) {
49             this.value = value;
50         }
51         public int value() {
52             return value;
53         }
54     }
55 
56 
57     public static class ValState extends SizeState {
58         public ValWrapper[] arr;
59 
60         @Setup
61         public void setup() {
62             arr = new ValWrapper[size];
63             for (int i = 0; i < size; i++) {
64                 arr[i] = new ValWrapper(new ValueInt(i));
65             }
66         }
67     }
68 
69     @CompilerControl(CompilerControl.Mode.DONT_INLINE)
70     public void read_val(ValWrapper[] src, Blackhole bh) {
71         for (int i = 0; i < src.length; i++) {
72             bh.consume(src[i].f);
73         }
74     }
75 
76 
77     @Benchmark
78     public void read(ValState st1, Blackhole bh) {
79         read_val(st1.arr, bh);
80     }
81 
82 }