1 /*
2 * Copyright (c) 2025, 2026, 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.fill;
24
25 import jdk.internal.value.ValueClass;
26 import jdk.internal.vm.annotation.LooselyConsistentValue;
27 import jdk.internal.vm.annotation.NullRestricted;
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.Scope;
32 import org.openjdk.jmh.annotations.Setup;
33 import org.openjdk.jmh.annotations.State;
34
35 import java.util.Arrays;
36
37 @Fork(value = 3, jvmArgsAppend = {"--enable-preview", "--add-exports", "java.base/jdk.internal.value=ALL-UNNAMED"})
38 public class Value128NullFreeNonAtomic extends FillBase {
39
40 public interface InterfaceInt {
41 public int value();
42 }
43
44 @LooselyConsistentValue
45 public static value class ValueInt4 implements InterfaceInt {
46
47 public final int prevalue0;
48 public final int prevalue1;
49 public final int prevalue2;
50
51 public final int value;
52
53 public ValueInt4(int value) {
54 this.prevalue0 = value;
55 this.prevalue1 = value;
56 this.prevalue2 = value;
57 this.value = value;
58 }
59
60 public int value() {
61 return value;
62 }
63
64 }
65
66 public static class ValState extends SizeState {
67 public ValueInt4[] arr;
68
69 @Setup
70 public void setup() {
71 arr = (ValueInt4[]) ValueClass.newNullRestrictedNonAtomicArray(ValueInt4.class, size, new ValueInt4(0));
72 for (int i = 0; i < size; i++) {
73 arr[i] = new ValueInt4(i);
74 }
75 }
76 }
77
78 public static class StaticHolder {
79 @NullRestricted
80 public static ValueInt4 VALUE = new ValueInt4(42);
81 }
82
83 @State(Scope.Thread)
84 public static class InstanceHolder {
85 @NullRestricted
86 public ValueInt4 VALUE;
87
88 public InstanceHolder() {
89 VALUE = new ValueInt4(42);
90 super();
91 }
92 }
93
94 @CompilerControl(CompilerControl.Mode.DONT_INLINE)
95 public ValueInt4 get_val(int i) {
96 return new ValueInt4(i);
97 }
98
99 @CompilerControl(CompilerControl.Mode.DONT_INLINE)
100 public void fill_new_val(ValueInt4[] dst) {
101 for (int i = 0; i < dst.length; i++) {
102 dst[i] = new ValueInt4(42);
103 }
104 }
105
106 @CompilerControl(CompilerControl.Mode.DONT_INLINE)
107 public void arrayfill_new_val(ValueInt4[] dst) {
108 Arrays.fill(dst, new ValueInt4(42));
109 }
110
111 @CompilerControl(CompilerControl.Mode.DONT_INLINE)
112 public void fill_local_val(ValueInt4[] dst) {
113 ValueInt4 local = get_val(42);
114 for (int i = 0; i < dst.length; i++) {
115 dst[i] = local;
116 }
117 }
118
119 @CompilerControl(CompilerControl.Mode.DONT_INLINE)
120 public void arrayfill_local_val(ValueInt4[] dst) {
121 Arrays.fill(dst, get_val(42));
122 }
123
124 @CompilerControl(CompilerControl.Mode.DONT_INLINE)
125 public void fill_static_val(ValueInt4[] dst) {
126 for (int i = 0; i < dst.length; i++) {
127 dst[i] = StaticHolder.VALUE;
128 }
129 }
130
131 @CompilerControl(CompilerControl.Mode.DONT_INLINE)
132 public void arrayfill_static_val(ValueInt4[] dst) {
133 Arrays.fill(dst, StaticHolder.VALUE);
134 }
135
136 @CompilerControl(CompilerControl.Mode.DONT_INLINE)
137 public void fill_instance_val(ValueInt4[] dst, InstanceHolder ih) {
138 for (int i = 0; i < dst.length; i++) {
139 dst[i] = ih.VALUE;
140 }
141 }
142
143 @CompilerControl(CompilerControl.Mode.DONT_INLINE)
144 public void arrayfill_instance_val(ValueInt4[] dst, InstanceHolder ih) {
145 Arrays.fill(dst, ih.VALUE);
146 }
147
148 @Benchmark
149 public void fill_new(ValState st1) {
150 fill_new_val(st1.arr);
151 }
152
153 @Benchmark
154 public void arrayfill_new(ValState st1) {
155 arrayfill_new_val(st1.arr);
156 }
157
158 @Benchmark
159 public void fill_local(ValState st1) {
160 fill_local_val(st1.arr);
161 }
162
163 @Benchmark
164 public void arrayfill_local(ValState st1) {
165 arrayfill_local_val(st1.arr);
166 }
167
168 @Benchmark
169 public void fill_static(ValState st1) {
170 fill_static_val(st1.arr);
171 }
172
173 @Benchmark
174 public void arrayfill_static(ValState st1) {
175 arrayfill_static_val(st1.arr);
176 }
177
178 @Benchmark
179 public void fill_instance(ValState st1, InstanceHolder ih) {
180 fill_instance_val(st1.arr, ih);
181 }
182
183 @Benchmark
184 public void arrayfill_instance(ValState st1, InstanceHolder ih) {
185 arrayfill_instance_val(st1.arr, ih);
186 }
187
188 }