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.field.copy;
24
25 import jdk.internal.vm.annotation.LooselyConsistentValue;
26 import jdk.internal.vm.annotation.NullRestricted;
27 import org.openjdk.jmh.annotations.Benchmark;
28 import org.openjdk.jmh.annotations.CompilerControl;
29 import org.openjdk.jmh.annotations.Fork;
30 import org.openjdk.jmh.annotations.Setup;
31
32 @Fork(value = 3, jvmArgsAppend = {"--enable-preview"})
33 public class Value128NullFreeNonAtomic extends CopyBase {
34
35 public static class ValWrapper {
36 @NullRestricted
37 public ValueInt4 f;
38
39 public ValWrapper(ValueInt4 f) {
40 this.f = f;
41 super();
42 }
43 }
44
45 public static class IntWrapper {
46 public InterfaceInt f;
47
48 public IntWrapper(ValueInt4 f) {
49 this.f = f;
50 }
51 }
52
53
54 public interface InterfaceInt {
55 public int value();
56 }
57
58 @LooselyConsistentValue
59 public static value class ValueInt4 implements InterfaceInt {
60
61 public final int prevalue0;
62 public final int prevalue1;
63 public final int prevalue2;
64
65 public final int value;
66
67 public ValueInt4(int value) {
68 this.prevalue0 = value;
69 this.prevalue1 = value;
70 this.prevalue2 = value;
71 this.value = value;
72 }
73
74 public int value() {
75 return value;
76 }
77
78 }
79
80 public static class ValState extends SizeState {
81 public ValWrapper[] arr;
82
83 @Setup
84 public void setup() {
85 arr = new ValWrapper[size];
86 for (int i = 0; i < size; i++) {
87 arr[i] = new ValWrapper(new ValueInt4(i));
88 }
89 }
90 }
91
92 public static class IntState extends SizeState {
93 public IntWrapper[] arr;
94
95 @Setup
96 public void setup() {
97 arr = new IntWrapper[size];
98 for (int i = 0; i < size; i++) {
99 arr[i] = new IntWrapper(new ValueInt4(i));
100 }
101 }
102 }
103
104 @CompilerControl(CompilerControl.Mode.DONT_INLINE)
105 public void copy(ValWrapper[] dst, ValWrapper[] src) {
106 for (int i = 0; i < src.length; i++) {
107 dst[i].f = src[i].f;
108 }
109 }
110
111 @CompilerControl(CompilerControl.Mode.DONT_INLINE)
112 public void copy_to_int(IntWrapper[] dst, ValWrapper[] src) {
113 for (int i = 0; i < src.length; i++) {
114 dst[i].f = src[i].f;
115 }
116 }
117
118 @CompilerControl(CompilerControl.Mode.DONT_INLINE)
119 public void copy_to_val(ValWrapper[] dst, IntWrapper[] src) {
120 for (int i = 0; i < src.length; i++) {
121 dst[i].f = (ValueInt4) src[i].f;
122 }
123 }
124
125 @Benchmark
126 public void copy_val(ValState st1, ValState st2) {
127 copy(st1.arr, st2.arr);
128 }
129
130 @Benchmark
131 public void copy_val_to_int(IntState st1, ValState st2) {
132 copy_to_int(st1.arr, st2.arr);
133 }
134
135 @Benchmark
136 public void copy_int_to_val(ValState st1, IntState st2) {
137 copy_to_val(st1.arr, st2.arr);
138 }
139
140 }