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 Value128NullFreeNonAtomic extends CopyBase {
34
35 public interface InterfaceInt {
36 public int value();
37 }
38
39 @LooselyConsistentValue
40 public static value class ValueInt4 implements InterfaceInt {
41
42 public final int prevalue0;
43 public final int prevalue1;
44 public final int prevalue2;
45
46 public final int value;
47
48 public ValueInt4(int value) {
49 this.prevalue0 = value;
50 this.prevalue1 = value;
51 this.prevalue2 = value;
52 this.value = value;
53 }
54
55 public int value() {
56 return value;
57 }
58
59 }
60
61 public static class ValState extends SizeState {
62 public ValueInt4[] arr;
63
64 @Setup
65 public void setup() {
66 arr = (ValueInt4[]) ValueClass.newNullRestrictedNonAtomicArray(ValueInt4.class, size, new ValueInt4(0));
67 for (int i = 0; i < size; i++) {
68 arr[i] = new ValueInt4(i);
69 }
70 }
71 }
72
73 public static class IntState extends SizeState {
74 public InterfaceInt[] arr;
75
76 @Setup
77 public void setup() {
78 arr = new InterfaceInt[size];
79 for (int i = 0; i < size; i++) {
80 arr[i] = new ValueInt4(i);
81 }
82 }
83
84 }
85
86 @CompilerControl(CompilerControl.Mode.DONT_INLINE)
87 public void copy_val(ValueInt4[] dst, ValueInt4[] 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 copy_int(InterfaceInt[] dst, InterfaceInt[] src) {
95 for (int i = 0; i < src.length; i++) {
96 dst[i] = src[i];
97 }
98 }
99
100 @CompilerControl(CompilerControl.Mode.DONT_INLINE)
101 public void arraycopy_val(ValueInt4[] dst, ValueInt4[] src) {
102 System.arraycopy(src, 0, dst, 0, src.length);
103 }
104
105 @CompilerControl(CompilerControl.Mode.DONT_INLINE)
106 public void arraycopy_int(InterfaceInt[] dst, InterfaceInt[] src) {
107 System.arraycopy(src, 0, dst, 0, src.length);
108 }
109
110 @Benchmark
111 public void copy_val_as_val(ValState st1, ValState st2) {
112 copy_val(st1.arr, st2.arr);
113 }
114
115 @Benchmark
116 public void arraycopy_val_as_val(ValState st1, ValState st2) {
117 arraycopy_val(st1.arr, st2.arr);
118 }
119
120 @Benchmark
121 public void copy_int_as_int(IntState st1, IntState st2) {
122 copy_int(st1.arr, st2.arr);
123 }
124
125 @Benchmark
126 public void arraycopy_int_as_int(IntState st1, IntState st2) {
127 arraycopy_int(st1.arr, st2.arr);
128 }
129
130
131 }