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 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", "--add-exports", "java.base/jdk.internal.value=ALL-UNNAMED"})
32 public class Value128NullFree extends CopyBase {
33
34 public interface InterfaceInt {
35 public int value();
36 }
37
38 public static value class ValueInt4 implements InterfaceInt {
39
40 public final int prevalue0;
41 public final int prevalue1;
42 public final int prevalue2;
43
44 public final int value;
45
46 public ValueInt4(int value) {
47 this.prevalue0 = value;
48 this.prevalue1 = value;
49 this.prevalue2 = value;
50 this.value = value;
51 }
52
53 public int value() {
54 return value;
55 }
56
57 }
58
59 public static class ValState extends SizeState {
60 public ValueInt4[] arr;
61
62 @Setup
63 public void setup() {
64 arr = (ValueInt4[]) ValueClass.newNullRestrictedAtomicArray(ValueInt4.class, size, new ValueInt4(0));
65 for (int i = 0; i < size; i++) {
66 arr[i] = new ValueInt4(i);
67 }
68 }
69 }
70
71 public static class IntState extends SizeState {
72 public InterfaceInt[] arr;
73
74 @Setup
75 public void setup() {
76 arr = new InterfaceInt[size];
77 for (int i = 0; i < size; i++) {
78 arr[i] = new ValueInt4(i);
79 }
80 }
81
82 }
83
84 @CompilerControl(CompilerControl.Mode.DONT_INLINE)
85 public void copy_val(ValueInt4[] dst, ValueInt4[] src) {
86 for (int i = 0; i < src.length; i++) {
87 dst[i] = src[i];
88 }
89 }
90
91 @CompilerControl(CompilerControl.Mode.DONT_INLINE)
92 public void copy_int(InterfaceInt[] dst, InterfaceInt[] src) {
93 for (int i = 0; i < src.length; i++) {
94 dst[i] = src[i];
95 }
96 }
97
98 @CompilerControl(CompilerControl.Mode.DONT_INLINE)
99 public void arraycopy_val(ValueInt4[] dst, ValueInt4[] src) {
100 System.arraycopy(src, 0, dst, 0, src.length);
101 }
102
103 @CompilerControl(CompilerControl.Mode.DONT_INLINE)
104 public void arraycopy_int(InterfaceInt[] dst, InterfaceInt[] src) {
105 System.arraycopy(src, 0, dst, 0, src.length);
106 }
107
108 @Benchmark
109 public void copy_val_as_val(ValState st1, ValState st2) {
110 copy_val(st1.arr, st2.arr);
111 }
112
113 @Benchmark
114 public void arraycopy_val_as_val(ValState st1, ValState st2) {
115 arraycopy_val(st1.arr, st2.arr);
116 }
117
118 @Benchmark
119 public void copy_int_as_int(IntState st1, IntState st2) {
120 copy_int(st1.arr, st2.arr);
121 }
122
123 @Benchmark
124 public void arraycopy_int_as_int(IntState st1, IntState st2) {
125 arraycopy_int(st1.arr, st2.arr);
126 }
127
128
129 }