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.copy;
24
25 import jdk.internal.value.ValueClass;
26 import jdk.internal.vm.annotation.LooselyConsistentValue;
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", "--add-exports", "java.base/jdk.internal.value=ALL-UNNAMED"})
33 public class Value032NullFreeNonAtomic extends CopyBase {
34
35 public interface InterfaceInt {
36 public int value();
37 }
38
39 @LooselyConsistentValue
40 public static value class ValueInt implements InterfaceInt {
41
42 public final int value;
43
44 public ValueInt(int value) {
45 this.value = value;
46 }
47
48 public int value() {
49 return value;
50 }
51
52 }
53
54 public static class ValState extends SizeState {
55 public ValueInt[] arr;
56
57 @Setup
58 public void setup() {
59 arr = (ValueInt[]) ValueClass.newNullRestrictedNonAtomicArray(ValueInt.class, size, new ValueInt(0));
60 for (int i = 0; i < size; i++) {
61 arr[i] = new ValueInt(i);
62 }
63 }
64 }
65
66 public static class IntState extends SizeState {
67 public InterfaceInt[] arr;
68
69 @Setup
70 public void setup() {
71 arr = new InterfaceInt[size];
72 for (int i = 0; i < size; i++) {
73 arr[i] = new ValueInt(i);
74 }
75 }
76
77 }
78
79 @CompilerControl(CompilerControl.Mode.DONT_INLINE)
80 public void copy_val(ValueInt[] dst, ValueInt[] src) {
81 for (int i = 0; i < src.length; i++) {
82 dst[i] = src[i];
83 }
84 }
85
86 @CompilerControl(CompilerControl.Mode.DONT_INLINE)
87 public void copy_int(InterfaceInt[] dst, InterfaceInt[] src) {
88 for (int i = 0; i < src.length; i++) {
89 dst[i] = src[i];
90 }
91 }
92
93 @CompilerControl(CompilerControl.Mode.DONT_INLINE)
94 public void arraycopy_val(ValueInt[] dst, ValueInt[] src) {
95 System.arraycopy(src, 0, dst, 0, src.length);
96 }
97
98 @CompilerControl(CompilerControl.Mode.DONT_INLINE)
99 public void arraycopy_int(InterfaceInt[] dst, InterfaceInt[] src) {
100 System.arraycopy(src, 0, dst, 0, src.length);
101 }
102
103 @Benchmark
104 public void copy_val_as_val(ValState st1, ValState st2) {
105 copy_val(st1.arr, st2.arr);
106 }
107
108 @Benchmark
109 public void arraycopy_val_as_val(ValState st1, ValState st2) {
110 arraycopy_val(st1.arr, st2.arr);
111 }
112
113 @Benchmark
114 public void copy_int_as_int(IntState st1, IntState st2) {
115 copy_int(st1.arr, st2.arr);
116 }
117
118 @Benchmark
119 public void arraycopy_int_as_int(IntState st1, IntState st2) {
120 arraycopy_int(st1.arr, st2.arr);
121 }
122
123
124 }