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 jdk.internal.vm.annotation.LooselyConsistentValue;
26 import jdk.internal.vm.annotation.NullRestricted;
27 import jdk.internal.vm.annotation.Strict;
28 import org.openjdk.jmh.annotations.Benchmark;
29 import org.openjdk.jmh.annotations.CompilerControl;
30 import org.openjdk.jmh.annotations.Fork;
31 import org.openjdk.jmh.annotations.Setup;
32
33 @Fork(value = 3, jvmArgsAppend = {"--enable-preview"})
34 public class Value032NullFreeNonAtomic extends CopyBase {
35
36 public static class ValWrapper {
37 @Strict
38 @NullRestricted
39 public ValueInt f;
40
41 public ValWrapper(ValueInt f) {
42 this.f = f;
43 }
44 }
45
46 public static class IntWrapper {
47 public InterfaceInt f;
48
49 public IntWrapper(ValueInt f) {
50 this.f = f;
51 }
52 }
53
54
55 public interface InterfaceInt {
56 public int value();
57 }
58
59 @LooselyConsistentValue
60 public static value class ValueInt implements InterfaceInt {
61 public final int value;
62 public ValueInt(int value) {
63 this.value = value;
64 }
65 public int value() {
66 return value;
67 }
68 }
69
70
71 public static class ValState extends SizeState {
72 public ValWrapper[] arr;
73
74 @Setup
75 public void setup() {
76 arr = new ValWrapper[size];
77 for (int i = 0; i < size; i++) {
78 arr[i] = new ValWrapper(new ValueInt(i));
79 }
80 }
81 }
82
83 public static class IntState extends SizeState {
84 public IntWrapper[] arr;
85
86 @Setup
87 public void setup() {
88 arr = new IntWrapper[size];
89 for (int i = 0; i < size; i++) {
90 arr[i] = new IntWrapper(new ValueInt(i));
91 }
92 }
93 }
94
95 @CompilerControl(CompilerControl.Mode.DONT_INLINE)
96 public void copy(ValWrapper[] dst, ValWrapper[] src) {
97 for (int i = 0; i < src.length; i++) {
98 dst[i].f = src[i].f;
99 }
100 }
101
102 @CompilerControl(CompilerControl.Mode.DONT_INLINE)
103 public void copy_to_int(IntWrapper[] dst, ValWrapper[] src) {
104 for (int i = 0; i < src.length; i++) {
105 dst[i].f = src[i].f;
106 }
107 }
108
109 @CompilerControl(CompilerControl.Mode.DONT_INLINE)
110 public void copy_to_val(ValWrapper[] dst, IntWrapper[] src) {
111 for (int i = 0; i < src.length; i++) {
112 dst[i].f = (ValueInt) src[i].f;
113 }
114 }
115
116 @Benchmark
117 public void copy_val(ValState st1, ValState st2) {
118 copy(st1.arr, st2.arr);
119 }
120
121 @Benchmark
122 public void copy_val_to_int(IntState st1, ValState st2) {
123 copy_to_int(st1.arr, st2.arr);
124 }
125
126 @Benchmark
127 public void copy_int_to_val(ValState st1, IntState st2) {
128 copy_to_val(st1.arr, st2.arr);
129 }
130
131 }