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 ValueOopNullFree extends FillBase {
39
40 public static class IdentityInt {
41 public final int value;
42 public IdentityInt(int value) {
43 this.value = value;
44 }
45 public int value() {
46 return value;
47 }
48 }
49
50 public interface InterfaceOop {
51 public IdentityInt value();
52 }
53
54 public static value class ValueRef implements InterfaceOop {
55
56 public final IdentityInt value;
57
58 public ValueRef(IdentityInt value) {
59 this.value = value;
60 }
61
62 public IdentityInt value() {
63 return value;
64 }
65
66 }
67
68 public static class ValState extends SizeState {
69 public ValueRef[] arr;
70
71 @Setup
72 public void setup() {
73 arr = (ValueRef[]) ValueClass.newNullRestrictedAtomicArray(ValueRef.class, size, new ValueRef(new IdentityInt(0)));
74 for (int i = 0; i < size; i++) {
75 arr[i] = new ValueRef(new IdentityInt(i));
76 }
77 }
78 }
79
80 public static class StaticHolder {
81 @Strict
82 @NullRestricted
83 public static ValueRef VALUE = new ValueRef(new IdentityInt(42));
84 }
85
86 @State(Scope.Thread)
87 public static class InstanceHolder {
88 @Strict
89 @NullRestricted
90 public ValueRef VALUE = new ValueRef(new IdentityInt(42));
91 }
92
93 @CompilerControl(CompilerControl.Mode.DONT_INLINE)
94 public ValueRef get_val(int i) {
95 return new ValueRef(new IdentityInt(i));
96 }
97
98 @CompilerControl(CompilerControl.Mode.DONT_INLINE)
99 public void fill_new_val(ValueRef[] dst) {
100 for (int i = 0; i < dst.length; i++) {
101 dst[i] = new ValueRef(new IdentityInt(42));
102 }
103 }
104
105 @CompilerControl(CompilerControl.Mode.DONT_INLINE)
106 public void arrayfill_new_val(ValueRef[] dst) {
107 Arrays.fill(dst, new ValueRef(new IdentityInt(42)));
108 }
109
110 @CompilerControl(CompilerControl.Mode.DONT_INLINE)
111 public void fill_local_val(ValueRef[] dst) {
112 ValueRef local = get_val(42);
113 for (int i = 0; i < dst.length; i++) {
114 dst[i] = local;
115 }
116 }
117
118 @CompilerControl(CompilerControl.Mode.DONT_INLINE)
119 public void arrayfill_local_val(ValueRef[] dst) {
120 Arrays.fill(dst, get_val(42));
121 }
122
123 @CompilerControl(CompilerControl.Mode.DONT_INLINE)
124 public void fill_static_val(ValueRef[] dst) {
125 for (int i = 0; i < dst.length; i++) {
126 dst[i] = StaticHolder.VALUE;
127 }
128 }
129
130 @CompilerControl(CompilerControl.Mode.DONT_INLINE)
131 public void arrayfill_static_val(ValueRef[] dst) {
132 Arrays.fill(dst, StaticHolder.VALUE);
133 }
134
135 @CompilerControl(CompilerControl.Mode.DONT_INLINE)
136 public void fill_instance_val(ValueRef[] dst, InstanceHolder ih) {
137 for (int i = 0; i < dst.length; i++) {
138 dst[i] = ih.VALUE;
139 }
140 }
141
142 @CompilerControl(CompilerControl.Mode.DONT_INLINE)
143 public void arrayfill_instance_val(ValueRef[] dst, InstanceHolder ih) {
144 Arrays.fill(dst, ih.VALUE);
145 }
146
147 @Benchmark
148 public void fill_new(ValState st1) {
149 fill_new_val(st1.arr);
150 }
151
152 @Benchmark
153 public void arrayfill_new(ValState st1) {
154 arrayfill_new_val(st1.arr);
155 }
156
157 @Benchmark
158 public void fill_local(ValState st1) {
159 fill_local_val(st1.arr);
160 }
161
162 @Benchmark
163 public void arrayfill_local(ValState st1) {
164 arrayfill_local_val(st1.arr);
165 }
166
167 @Benchmark
168 public void fill_static(ValState st1) {
169 fill_static_val(st1.arr);
170 }
171
172 @Benchmark
173 public void arrayfill_static(ValState st1) {
174 arrayfill_static_val(st1.arr);
175 }
176
177 @Benchmark
178 public void fill_instance(ValState st1, InstanceHolder ih) {
179 fill_instance_val(st1.arr, ih);
180 }
181
182 @Benchmark
183 public void arrayfill_instance(ValState st1, InstanceHolder ih) {
184 arrayfill_instance_val(st1.arr, ih);
185 }
186
187 }