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.field.copy;
24
25 import jdk.internal.vm.annotation.LooselyConsistentValue;
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.Setup;
32
33 @Fork(value = 3, jvmArgsAppend = {"--enable-preview"})
34 public class Value128NullFreeNonAtomic extends CopyBase {
35
36 public static class ValWrapper {
37 @Strict
38 @NullRestricted
39 public ValueInt4 f;
40
41 public ValWrapper(ValueInt4 f) {
42 this.f = f;
43 }
44 }
45
46 public static class IntWrapper {
47 public InterfaceInt f;
48
49 public IntWrapper(ValueInt4 f) {
50 this.f = f;
51 }
52 }
53
54
55 public interface InterfaceInt {
56 public int value();
57 }
58
59 @LooselyConsistentValue
60 public static value class ValueInt4 implements InterfaceInt {
61
62 public final int prevalue0;
63 public final int prevalue1;
64 public final int prevalue2;
65
66 public final int value;
67
68 public ValueInt4(int value) {
69 this.prevalue0 = value;
70 this.prevalue1 = value;
71 this.prevalue2 = value;
72 this.value = value;
73 }
74
75 public int value() {
76 return value;
77 }
78
79 }
80
81 public static class ValState extends SizeState {
82 public ValWrapper[] arr;
83
84 @Setup
85 public void setup() {
86 arr = new ValWrapper[size];
87 for (int i = 0; i < size; i++) {
88 arr[i] = new ValWrapper(new ValueInt4(i));
89 }
90 }
91 }
92
93 public static class IntState extends SizeState {
94 public IntWrapper[] arr;
95
96 @Setup
97 public void setup() {
98 arr = new IntWrapper[size];
99 for (int i = 0; i < size; i++) {
100 arr[i] = new IntWrapper(new ValueInt4(i));
101 }
102 }
103 }
104
105 @CompilerControl(CompilerControl.Mode.DONT_INLINE)
106 public void copy(ValWrapper[] dst, ValWrapper[] src) {
107 for (int i = 0; i < src.length; i++) {
108 dst[i].f = src[i].f;
109 }
110 }
111
112 @CompilerControl(CompilerControl.Mode.DONT_INLINE)
113 public void copy_to_int(IntWrapper[] dst, ValWrapper[] src) {
114 for (int i = 0; i < src.length; i++) {
115 dst[i].f = src[i].f;
116 }
117 }
118
119 @CompilerControl(CompilerControl.Mode.DONT_INLINE)
120 public void copy_to_val(ValWrapper[] dst, IntWrapper[] src) {
121 for (int i = 0; i < src.length; i++) {
122 dst[i].f = (ValueInt4) src[i].f;
123 }
124 }
125
126 @Benchmark
127 public void copy_val(ValState st1, ValState st2) {
128 copy(st1.arr, st2.arr);
129 }
130
131 @Benchmark
132 public void copy_val_to_int(IntState st1, ValState st2) {
133 copy_to_int(st1.arr, st2.arr);
134 }
135
136 @Benchmark
137 public void copy_int_to_val(ValState st1, IntState st2) {
138 copy_to_val(st1.arr, st2.arr);
139 }
140
141 }