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.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.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 Value032NullFree extends FillBase {
39
40 public interface InterfaceInt {
41 public int value();
42 }
43
44 public static value class ValueInt implements InterfaceInt {
45
46 public final int value;
47
48 public ValueInt(int value) {
49 this.value = value;
50 }
51
52 public int value() {
53 return value;
54 }
55
56 }
57
58 public static class ValState extends SizeState {
59 public ValueInt[] arr;
60
61 @Setup
62 public void setup() {
63 arr = (ValueInt[]) ValueClass.newNullRestrictedAtomicArray(ValueInt.class, size, new ValueInt(0));
64 for (int i = 0; i < size; i++) {
65 arr[i] = new ValueInt(i);
66 }
67 }
68 }
69
70 public static class StaticHolder {
71 @Strict
72 @NullRestricted
73 public static ValueInt VALUE = new ValueInt(42);
74 }
75
76 @State(Scope.Thread)
77 public static class InstanceHolder {
78 @Strict
79 @NullRestricted
80 public ValueInt VALUE = new ValueInt(42);
81 }
82
83 @CompilerControl(CompilerControl.Mode.DONT_INLINE)
84 public ValueInt get_val(int i) {
85 return new ValueInt(i);
86 }
87
88 @CompilerControl(CompilerControl.Mode.DONT_INLINE)
89 public void fill_new_val(ValueInt[] dst) {
90 for (int i = 0; i < dst.length; i++) {
91 dst[i] = new ValueInt(42);
92 }
93 }
94
95 @CompilerControl(CompilerControl.Mode.DONT_INLINE)
96 public void arrayfill_new_val(ValueInt[] dst) {
97 Arrays.fill(dst, new ValueInt(42));
98 }
99
100 @CompilerControl(CompilerControl.Mode.DONT_INLINE)
101 public void fill_local_val(ValueInt[] dst) {
102 ValueInt local = get_val(42);
103 for (int i = 0; i < dst.length; i++) {
104 dst[i] = local;
105 }
106 }
107
108 @CompilerControl(CompilerControl.Mode.DONT_INLINE)
109 public void arrayfill_local_val(ValueInt[] dst) {
110 Arrays.fill(dst, get_val(42));
111 }
112
113 @CompilerControl(CompilerControl.Mode.DONT_INLINE)
114 public void fill_static_val(ValueInt[] dst) {
115 for (int i = 0; i < dst.length; i++) {
116 dst[i] = StaticHolder.VALUE;
117 }
118 }
119
120 @CompilerControl(CompilerControl.Mode.DONT_INLINE)
121 public void arrayfill_static_val(ValueInt[] dst) {
122 Arrays.fill(dst, StaticHolder.VALUE);
123 }
124
125 @CompilerControl(CompilerControl.Mode.DONT_INLINE)
126 public void fill_instance_val(ValueInt[] dst, InstanceHolder ih) {
127 for (int i = 0; i < dst.length; i++) {
128 dst[i] = ih.VALUE;
129 }
130 }
131
132 @CompilerControl(CompilerControl.Mode.DONT_INLINE)
133 public void arrayfill_instance_val(ValueInt[] dst, InstanceHolder ih) {
134 Arrays.fill(dst, ih.VALUE);
135 }
136
137 @Benchmark
138 public void fill_new(ValState st1) {
139 fill_new_val(st1.arr);
140 }
141
142 @Benchmark
143 public void arrayfill_new(ValState st1) {
144 arrayfill_new_val(st1.arr);
145 }
146
147 @Benchmark
148 public void fill_local(ValState st1) {
149 fill_local_val(st1.arr);
150 }
151
152 @Benchmark
153 public void arrayfill_local(ValState st1) {
154 arrayfill_local_val(st1.arr);
155 }
156
157 @Benchmark
158 public void fill_static(ValState st1) {
159 fill_static_val(st1.arr);
160 }
161
162 @Benchmark
163 public void arrayfill_static(ValState st1) {
164 arrayfill_static_val(st1.arr);
165 }
166
167 @Benchmark
168 public void fill_instance(ValState st1, InstanceHolder ih) {
169 fill_instance_val(st1.arr, ih);
170 }
171
172 @Benchmark
173 public void arrayfill_instance(ValState st1, InstanceHolder ih) {
174 arrayfill_instance_val(st1.arr, ih);
175 }
176
177 }