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.NullRestricted;
26 import org.openjdk.jmh.annotations.Benchmark;
27 import org.openjdk.jmh.annotations.CompilerControl;
28 import org.openjdk.jmh.annotations.Fork;
29 import org.openjdk.jmh.annotations.Setup;
30
31 @Fork(value = 3, jvmArgsAppend = {"--enable-preview"})
32 public class Value128NullFree extends CopyBase {
33
34 public static class ValWrapper {
35 @NullRestricted
36 public ValueInt4 f;
37
38 public ValWrapper(ValueInt4 f) {
39 this.f = f;
40 super();
41 }
42 }
43
44 public static class IntWrapper {
45 public InterfaceInt f;
46
47 public IntWrapper(ValueInt4 f) {
48 this.f = f;
49 }
50 }
51
52
53 public interface InterfaceInt {
54 public int value();
55 }
56
57 public static value class ValueInt4 implements InterfaceInt {
58
59 public final int prevalue0;
60 public final int prevalue1;
61 public final int prevalue2;
62
63 public final int value;
64
65 public ValueInt4(int value) {
66 this.prevalue0 = value;
67 this.prevalue1 = value;
68 this.prevalue2 = value;
69 this.value = value;
70 }
71
72 public int value() {
73 return value;
74 }
75
76 }
77
78 public static class ValState extends SizeState {
79 public ValWrapper[] arr;
80
81 @Setup
82 public void setup() {
83 arr = new ValWrapper[size];
84 for (int i = 0; i < size; i++) {
85 arr[i] = new ValWrapper(new ValueInt4(i));
86 }
87 }
88 }
89
90 public static class IntState extends SizeState {
91 public IntWrapper[] arr;
92
93 @Setup
94 public void setup() {
95 arr = new IntWrapper[size];
96 for (int i = 0; i < size; i++) {
97 arr[i] = new IntWrapper(new ValueInt4(i));
98 }
99 }
100 }
101
102 @CompilerControl(CompilerControl.Mode.DONT_INLINE)
103 public void copy(ValWrapper[] dst, ValWrapper[] src) {
104 for (int i = 0; i < src.length; i++) {
105 dst[i].f = src[i].f;
106 }
107 }
108
109 @CompilerControl(CompilerControl.Mode.DONT_INLINE)
110 public void copy_to_int(IntWrapper[] dst, ValWrapper[] src) {
111 for (int i = 0; i < src.length; i++) {
112 dst[i].f = src[i].f;
113 }
114 }
115
116 @CompilerControl(CompilerControl.Mode.DONT_INLINE)
117 public void copy_to_val(ValWrapper[] dst, IntWrapper[] src) {
118 for (int i = 0; i < src.length; i++) {
119 dst[i].f = (ValueInt4) src[i].f;
120 }
121 }
122
123 @Benchmark
124 public void copy_val(ValState st1, ValState st2) {
125 copy(st1.arr, st2.arr);
126 }
127
128 @Benchmark
129 public void copy_val_to_int(IntState st1, ValState st2) {
130 copy_to_int(st1.arr, st2.arr);
131 }
132
133 @Benchmark
134 public void copy_int_to_val(ValState st1, IntState st2) {
135 copy_to_val(st1.arr, st2.arr);
136 }
137
138 }