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.fill;
24
25 import jdk.internal.value.ValueClass;
26 import jdk.internal.vm.annotation.LooselyConsistentValue;
27 import jdk.internal.vm.annotation.NullRestricted;
28 import jdk.internal.vm.annotation.Strict;
29 import org.openjdk.jmh.annotations.Benchmark;
30 import org.openjdk.jmh.annotations.CompilerControl;
31 import org.openjdk.jmh.annotations.Fork;
32 import org.openjdk.jmh.annotations.Scope;
33 import org.openjdk.jmh.annotations.Setup;
34 import org.openjdk.jmh.annotations.State;
35
36 import java.util.Arrays;
37
38 @Fork(value = 3, jvmArgsAppend = {"--enable-preview", "--add-exports", "java.base/jdk.internal.value=ALL-UNNAMED"})
39 public class Value032NullFreeNonAtomic extends FillBase {
40
41 public interface InterfaceInt {
42 public int value();
43 }
44
45 @LooselyConsistentValue
46 public static value class ValueInt implements InterfaceInt {
47
48 public final int value;
49
50 public ValueInt(int value) {
51 this.value = value;
52 }
53
54 public int value() {
55 return value;
56 }
57
58 }
59
60 public static class ValState extends SizeState {
61 public ValueInt[] arr;
62
63 @Setup
64 public void setup() {
65 arr = (ValueInt[]) ValueClass.newNullRestrictedNonAtomicArray(ValueInt.class, size, new ValueInt(0));
66 for (int i = 0; i < size; i++) {
67 arr[i] = new ValueInt(i);
68 }
69 }
70 }
71
72 public static class StaticHolder {
73 @Strict
74 @NullRestricted
75 public static ValueInt VALUE = new ValueInt(42);
76 }
77
78 @State(Scope.Thread)
79 public static class InstanceHolder {
80 @Strict
81 @NullRestricted
82 public ValueInt VALUE = new ValueInt(42);
83 }
84
85 @CompilerControl(CompilerControl.Mode.DONT_INLINE)
86 public ValueInt get_val(int i) {
87 return new ValueInt(i);
88 }
89
90 @CompilerControl(CompilerControl.Mode.DONT_INLINE)
91 public void fill_new_val(ValueInt[] dst) {
92 for (int i = 0; i < dst.length; i++) {
93 dst[i] = new ValueInt(42);
94 }
95 }
96
97 @CompilerControl(CompilerControl.Mode.DONT_INLINE)
98 public void arrayfill_new_val(ValueInt[] dst) {
99 Arrays.fill(dst, new ValueInt(42));
100 }
101
102 @CompilerControl(CompilerControl.Mode.DONT_INLINE)
103 public void fill_local_val(ValueInt[] dst) {
104 ValueInt local = get_val(42);
105 for (int i = 0; i < dst.length; i++) {
106 dst[i] = local;
107 }
108 }
109
110 @CompilerControl(CompilerControl.Mode.DONT_INLINE)
111 public void arrayfill_local_val(ValueInt[] dst) {
112 Arrays.fill(dst, get_val(42));
113 }
114
115 @CompilerControl(CompilerControl.Mode.DONT_INLINE)
116 public void fill_static_val(ValueInt[] dst) {
117 for (int i = 0; i < dst.length; i++) {
118 dst[i] = StaticHolder.VALUE;
119 }
120 }
121
122 @CompilerControl(CompilerControl.Mode.DONT_INLINE)
123 public void arrayfill_static_val(ValueInt[] dst) {
124 Arrays.fill(dst, StaticHolder.VALUE);
125 }
126
127 @CompilerControl(CompilerControl.Mode.DONT_INLINE)
128 public void fill_instance_val(ValueInt[] dst, InstanceHolder ih) {
129 for (int i = 0; i < dst.length; i++) {
130 dst[i] = ih.VALUE;
131 }
132 }
133
134 @CompilerControl(CompilerControl.Mode.DONT_INLINE)
135 public void arrayfill_instance_val(ValueInt[] dst, InstanceHolder ih) {
136 Arrays.fill(dst, ih.VALUE);
137 }
138
139 @Benchmark
140 public void fill_new(ValState st1) {
141 fill_new_val(st1.arr);
142 }
143
144 @Benchmark
145 public void arrayfill_new(ValState st1) {
146 arrayfill_new_val(st1.arr);
147 }
148
149 @Benchmark
150 public void fill_local(ValState st1) {
151 fill_local_val(st1.arr);
152 }
153
154 @Benchmark
155 public void arrayfill_local(ValState st1) {
156 arrayfill_local_val(st1.arr);
157 }
158
159 @Benchmark
160 public void fill_static(ValState st1) {
161 fill_static_val(st1.arr);
162 }
163
164 @Benchmark
165 public void arrayfill_static(ValState st1) {
166 arrayfill_static_val(st1.arr);
167 }
168
169 @Benchmark
170 public void fill_instance(ValState st1, InstanceHolder ih) {
171 fill_instance_val(st1.arr, ih);
172 }
173
174 @Benchmark
175 public void arrayfill_instance(ValState st1, InstanceHolder ih) {
176 arrayfill_instance_val(st1.arr, ih);
177 }
178
179 }