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 org.openjdk.jmh.annotations.Benchmark;
26 import org.openjdk.jmh.annotations.CompilerControl;
27 import org.openjdk.jmh.annotations.Fork;
28 import org.openjdk.jmh.annotations.Scope;
29 import org.openjdk.jmh.annotations.Setup;
30 import org.openjdk.jmh.annotations.State;
31
32 import java.util.Arrays;
33
34 @Fork(value = 3, jvmArgsAppend = {"--enable-preview"})
35 public class ValueOop extends FillBase {
36
37 public static class IdentityInt {
38 public final int value;
39 public IdentityInt(int value) {
40 this.value = value;
41 }
42 public int value() {
43 return value;
44 }
45 }
46
47 public interface InterfaceOop {
48 public IdentityInt value();
49 }
50
51 public static value class ValueRef implements InterfaceOop {
52
53 public final IdentityInt value;
54
55 public ValueRef(IdentityInt value) {
56 this.value = value;
57 }
58
59 public IdentityInt value() {
60 return value;
61 }
62
63 }
64
65 public static class ValState extends SizeState {
66 public ValueRef[] arr;
67
68 @Setup
69 public void setup() {
70 arr = new ValueRef[size];
71 for (int i = 0; i < size; i++) {
72 arr[i] = new ValueRef(new IdentityInt(i));
73 }
74 }
75 }
76
77 public static class StaticHolder {
78 public static ValueRef VALUE = new ValueRef(new IdentityInt(42));
79 }
80
81 @State(Scope.Thread)
82 public static class InstanceHolder {
83 public ValueRef VALUE = new ValueRef(new IdentityInt(42));
84 }
85
86 @CompilerControl(CompilerControl.Mode.DONT_INLINE)
87 public ValueRef get_val(int i) {
88 return new ValueRef(new IdentityInt(i));
89 }
90
91 @CompilerControl(CompilerControl.Mode.DONT_INLINE)
92 public void fill_new_val(ValueRef[] dst) {
93 for (int i = 0; i < dst.length; i++) {
94 dst[i] = new ValueRef(new IdentityInt(42));
95 }
96 }
97
98 @CompilerControl(CompilerControl.Mode.DONT_INLINE)
99 public void arrayfill_new_val(ValueRef[] dst) {
100 Arrays.fill(dst, new ValueRef(new IdentityInt(42)));
101 }
102
103 @CompilerControl(CompilerControl.Mode.DONT_INLINE)
104 public void fill_local_val(ValueRef[] dst) {
105 ValueRef local = get_val(42);
106 for (int i = 0; i < dst.length; i++) {
107 dst[i] = local;
108 }
109 }
110
111 @CompilerControl(CompilerControl.Mode.DONT_INLINE)
112 public void arrayfill_local_val(ValueRef[] dst) {
113 Arrays.fill(dst, get_val(42));
114 }
115
116 @CompilerControl(CompilerControl.Mode.DONT_INLINE)
117 public void fill_static_val(ValueRef[] dst) {
118 for (int i = 0; i < dst.length; i++) {
119 dst[i] = StaticHolder.VALUE;
120 }
121 }
122
123 @CompilerControl(CompilerControl.Mode.DONT_INLINE)
124 public void arrayfill_static_val(ValueRef[] dst) {
125 Arrays.fill(dst, StaticHolder.VALUE);
126 }
127
128 @CompilerControl(CompilerControl.Mode.DONT_INLINE)
129 public void fill_instance_val(ValueRef[] dst, InstanceHolder ih) {
130 for (int i = 0; i < dst.length; i++) {
131 dst[i] = ih.VALUE;
132 }
133 }
134
135 @CompilerControl(CompilerControl.Mode.DONT_INLINE)
136 public void arrayfill_instance_val(ValueRef[] dst, InstanceHolder ih) {
137 Arrays.fill(dst, ih.VALUE);
138 }
139
140 @Benchmark
141 public void fill_new(ValState st1) {
142 fill_new_val(st1.arr);
143 }
144
145 @Benchmark
146 public void arrayfill_new(ValState st1) {
147 arrayfill_new_val(st1.arr);
148 }
149
150 @Benchmark
151 public void fill_local(ValState st1) {
152 fill_local_val(st1.arr);
153 }
154
155 @Benchmark
156 public void arrayfill_local(ValState st1) {
157 arrayfill_local_val(st1.arr);
158 }
159
160 @Benchmark
161 public void fill_static(ValState st1) {
162 fill_static_val(st1.arr);
163 }
164
165 @Benchmark
166 public void arrayfill_static(ValState st1) {
167 arrayfill_static_val(st1.arr);
168 }
169
170 @Benchmark
171 public void fill_instance(ValState st1, InstanceHolder ih) {
172 fill_instance_val(st1.arr, ih);
173 }
174
175 @Benchmark
176 public void arrayfill_instance(ValState st1, InstanceHolder ih) {
177 arrayfill_instance_val(st1.arr, ih);
178 }
179
180 }