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.set;
24
25 import org.openjdk.jmh.annotations.Benchmark;
26 import org.openjdk.jmh.annotations.CompilerControl;
27 import org.openjdk.jmh.annotations.Setup;
28
29 public class Identity extends SetBase {
30
31 public interface InterfaceInt {
32 public int value();
33 }
34
35 public static class IdentityInt implements InterfaceInt {
36 public final int value;
37 public IdentityInt(int value) {
38 this.value = value;
39 }
40 public int value() {
41 return value;
42 }
43 }
44
45
46 public static class RefState extends SizeState {
47 public IdentityInt[] arr;
48
49 @Setup
50 public void setup() {
51 arr = new IdentityInt[size];
52 for (int i = 0; i < size; i++) {
53 arr[i] = new IdentityInt(i);
54 }
55 }
56 }
57
58 public static class IntState extends SizeState {
59 public InterfaceInt[] arr;
60
61 @Setup
62 public void setup() {
63 arr = new InterfaceInt[size];
64 for (int i = 0; i < size; i++) {
65 arr[i] = new IdentityInt(i);
66 }
67 }
68 }
69
70 @CompilerControl(CompilerControl.Mode.DONT_INLINE)
71 public IdentityInt get_ref(int i) {
72 return new IdentityInt(i);
73 }
74
75 @CompilerControl(CompilerControl.Mode.DONT_INLINE)
76 public InterfaceInt get_int(int i) {
77 return new IdentityInt(i);
78 }
79
80 @CompilerControl(CompilerControl.Mode.DONT_INLINE)
81 public void set_new_ref(IdentityInt[] dst) {
82 for (int i = 0; i < dst.length; i++) {
83 dst[i] = new IdentityInt(i);
84 }
85 }
86
87 @CompilerControl(CompilerControl.Mode.DONT_INLINE)
88 public void set_new_int(InterfaceInt[] dst) {
89 for (int i = 0; i < dst.length; i++) {
90 dst[i] = new IdentityInt(i);
91 }
92 }
93
94 @CompilerControl(CompilerControl.Mode.DONT_INLINE)
95 public void set_call_ref(IdentityInt[] dst) {
96 for (int i = 0; i < dst.length; i++) {
97 dst[i] = get_ref(i);
98 }
99 }
100
101 @CompilerControl(CompilerControl.Mode.DONT_INLINE)
102 public void set_call_int(InterfaceInt[] dst) {
103 for (int i = 0; i < dst.length; i++) {
104 dst[i] = get_int(i);
105 }
106 }
107
108 @Benchmark
109 public void set_new_ref_as_ref(RefState st1) {
110 set_new_ref(st1.arr);
111 }
112
113 @Benchmark
114 public void set_new_int_as_int(IntState st1) {
115 set_new_int(st1.arr);
116 }
117
118 @Benchmark
119 public void set_call_ref_as_ref(RefState st1) {
120 set_call_ref(st1.arr);
121 }
122
123 @Benchmark
124 public void set_call_int_as_int(IntState st1) {
125 set_call_int(st1.arr);
126 }
127
128 }