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.readpartial;
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 ValueOop extends ReadBase {
33 
34     public static class IdentityInt {
35         public final int value;
36         public IdentityInt(int value) {
37             this.value = value;
38         }
39         public int value() {
40             return value;
41         }
42     }
43 
44     public interface InterfaceOop {
45         public IdentityInt value();
46     }
47 
48     public static value class ValueRef4 implements InterfaceOop {
49         public final IdentityInt prevalue0;
50         public final IdentityInt prevalue1;
51         public final IdentityInt prevalue2;
52         public final IdentityInt value;
53 
54         public ValueRef4(IdentityInt value) {
55             this.prevalue0 = value;
56             this.prevalue1 = value;
57             this.prevalue2 = value;
58             this.value = value;
59         }
60 
61         public IdentityInt value() {
62             return value;
63         }
64 
65     }
66 
67     public static class ValState extends SizeState {
68         public ValueRef4[] arr;
69 
70         @Setup
71         public void setup() {
72             arr = new ValueRef4[size];
73             for (int i = 0; i < size; i++) {
74                 arr[i] = new ValueRef4(new IdentityInt(i));
75             }
76         }
77     }
78 
79     @CompilerControl(CompilerControl.Mode.DONT_INLINE)
80     public void read_val(ValueRef4[] src, Blackhole bh) {
81         for (int i = 0; i < src.length; i++) {
82             bh.consume(src[i].value);
83         }
84     }
85 
86     @Benchmark
87     public void read(ValState st1, Blackhole bh) {
88         read_val(st1.arr, bh);
89     }
90 
91 }