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 org.openjdk.jmh.annotations.Benchmark;
26 import org.openjdk.jmh.annotations.CompilerControl;
27 import org.openjdk.jmh.annotations.Fork;
28 import org.openjdk.jmh.annotations.Setup;
29
30 @Fork(value = 3, jvmArgsAppend = {"--enable-preview"})
31 public class ValueOop extends CopyBase {
32
33 public static class IdentityInt {
34 public final int value;
35 public IdentityInt(int value) {
36 this.value = value;
37 }
38 public int value() {
39 return value;
40 }
41 }
42
43 public interface InterfaceOop {
44 public IdentityInt value();
45 }
46
47 public static value class ValueRef implements InterfaceOop {
48
49 public final IdentityInt value;
50
51 public ValueRef(IdentityInt value) {
52 this.value = value;
53 }
54
55 public IdentityInt value() {
56 return value;
57 }
58
59 }
60
61 public static class ValState extends SizeState {
62 public ValueRef[] arr;
63
64 @Setup
65 public void setup() {
66 arr = new ValueRef[size];
67 for (int i = 0; i < size; i++) {
68 arr[i] = new ValueRef(new IdentityInt(i));
69 }
70 }
71 }
72
73 public static class IntState extends SizeState {
74 public InterfaceOop[] arr;
75
76 @Setup
77 public void setup() {
78 arr = new InterfaceOop[size];
79 for (int i = 0; i < size; i++) {
80 arr[i] = new ValueRef(new IdentityInt(i));
81 }
82 }
83
84 }
85
86 @CompilerControl(CompilerControl.Mode.DONT_INLINE)
87 public void copy_val(ValueRef[] dst, ValueRef[] 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(InterfaceOop[] dst, InterfaceOop[] 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(ValueRef[] dst, ValueRef[] src) {
102 System.arraycopy(src, 0, dst, 0, src.length);
103 }
104
105 @CompilerControl(CompilerControl.Mode.DONT_INLINE)
106 public void arraycopy_int(InterfaceOop[] dst, InterfaceOop[] 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 }