1 /*
2 * Copyright (c) 2020, 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.traversal;
24
25 import org.openjdk.bench.valhalla.util.SizeBase;
26 import org.openjdk.bench.valhalla.types.A64long;
27 import org.openjdk.bench.valhalla.types.Int64;
28 import org.openjdk.bench.valhalla.types.R64long;
29 import org.openjdk.bench.valhalla.util.Utils;
30 import org.openjdk.jmh.annotations.Benchmark;
31 import org.openjdk.jmh.annotations.CompilerControl;
32 import org.openjdk.jmh.annotations.Setup;
33
34 public class Identity64 extends SizeBase {
35
36 public static abstract class IntState extends SizeState {
37 public Int64[] arr;
38 void fill() {
39 int[] a = Utils.makeRandomRing(arr.length);
40 for (int i = 0; i < a.length; i++) {
41 arr[i] = new R64long(a[i]);
42 }
43 }
44 }
45
46 public static abstract class AbsState extends SizeState {
47 public A64long[] arr;
48 void fill() {
49 int[] a = Utils.makeRandomRing(arr.length);
50 for (int i = 0; i < a.length; i++) {
51 arr[i] = new R64long(a[i]);
52 }
53 }
54 }
55
56 public static abstract class RefState extends SizeState {
57 public R64long[] arr;
58 void fill() {
59 int[] a = Utils.makeRandomRing(arr.length);
60 for (int i = 0; i < a.length; i++) {
61 arr[i] = new R64long(a[i]);
62 }
63 }
64 }
65
66
67 public static class Int_as_Int extends IntState {
68 @Setup
69 public void setup() {
70 arr = new Int64[size];
71 fill();
72 }
73 }
74
75 public static class Abs_as_Int extends IntState {
76 @Setup
77 public void setup() {
78 arr = new A64long[size];
79 fill();
80 }
81 }
82
83 public static class Ref_as_Int extends IntState {
84 @Setup
85 public void setup() {
86 arr = new R64long[size];
87 fill();
88 }
89 }
90
91 public static class Abs_as_Abs extends AbsState {
92 @Setup
93 public void setup() {
94 arr = new A64long[size];
95 fill();
96 }
97 }
98
99 public static class Ref_as_Abs extends AbsState {
100 @Setup
101 public void setup() {
102 arr = new R64long[size];
103 fill();
104 }
105 }
106
107 public static class Ref_as_Ref extends RefState {
108 @Setup
109 public void setup() {
110 arr = new R64long[size];
111 fill();
112 }
113 }
114
115 @Benchmark
116 @CompilerControl(CompilerControl.Mode.DONT_INLINE)
117 public int Int_as_Int_walk(Int_as_Int s) {
118 int steps = 0;
119 Int64[] values = s.arr;
120 for (int i = values[0].intValue(); i != 0; i = values[i].intValue()) steps++;
121 return steps;
122 }
123
124 @Benchmark
125 @CompilerControl(CompilerControl.Mode.DONT_INLINE)
126 public int Abs_as_Int_walk(Abs_as_Int s) {
127 int steps = 0;
128 Int64[] values = s.arr;
129 for (int i = values[0].intValue(); i != 0; i = values[i].intValue()) steps++;
130 return steps;
131 }
132
133 @Benchmark
134 @CompilerControl(CompilerControl.Mode.DONT_INLINE)
135 public int Ref_as_Int_walk(Ref_as_Int s) {
136 int steps = 0;
137 Int64[] values = s.arr;
138 for (int i = values[0].intValue(); i != 0; i = values[i].intValue()) steps++;
139 return steps;
140 }
141
142 @Benchmark
143 @CompilerControl(CompilerControl.Mode.DONT_INLINE)
144 public int Abs_as_Abs_walk(Abs_as_Abs s) {
145 int steps = 0;
146 A64long[] values = s.arr;
147 for (int i = values[0].intValue(); i != 0; i = values[i].intValue()) steps++;
148 return steps;
149 }
150
151 @Benchmark
152 @CompilerControl(CompilerControl.Mode.DONT_INLINE)
153 public int Ref_as_Abs_walk(Ref_as_Abs s) {
154 int steps = 0;
155 A64long[] values = s.arr;
156 for (int i = values[0].intValue(); i != 0; i = values[i].intValue()) steps++;
157 return steps;
158 }
159
160 @Benchmark
161 @CompilerControl(CompilerControl.Mode.DONT_INLINE)
162 public int Ref_as_Ref_walk(Ref_as_Ref s) {
163 int steps = 0;
164 A64long[] values = s.arr;
165 for (int i = values[0].intValue(); i != 0; i = values[i].intValue()) steps++;
166 return steps;
167 }
168
169 }