1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
|
/*
* Copyright (C) 2016 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
public class StringIndexOfBenchmark {
public static final String string36 = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"; // length = 36
public void timeIndexOf0(int count) {
final char c = '0';
String s = string36;
for (int i = 0; i < count; ++i) {
$noinline$indexOf(s, c);
}
}
public void timeIndexOf1(int count) {
final char c = '1';
String s = string36;
for (int i = 0; i < count; ++i) {
$noinline$indexOf(s, c);
}
}
public void timeIndexOf2(int count) {
final char c = '2';
String s = string36;
for (int i = 0; i < count; ++i) {
$noinline$indexOf(s, c);
}
}
public void timeIndexOf3(int count) {
final char c = '3';
String s = string36;
for (int i = 0; i < count; ++i) {
$noinline$indexOf(s, c);
}
}
public void timeIndexOf4(int count) {
final char c = '4';
String s = string36;
for (int i = 0; i < count; ++i) {
$noinline$indexOf(s, c);
}
}
public void timeIndexOf7(int count) {
final char c = '7';
String s = string36;
for (int i = 0; i < count; ++i) {
$noinline$indexOf(s, c);
}
}
public void timeIndexOf8(int count) {
final char c = '8';
String s = string36;
for (int i = 0; i < count; ++i) {
$noinline$indexOf(s, c);
}
}
public void timeIndexOfF(int count) {
final char c = 'F';
String s = string36;
for (int i = 0; i < count; ++i) {
$noinline$indexOf(s, c);
}
}
public void timeIndexOfG(int count) {
final char c = 'G';
String s = string36;
for (int i = 0; i < count; ++i) {
$noinline$indexOf(s, c);
}
}
public void timeIndexOfV(int count) {
final char c = 'V';
String s = string36;
for (int i = 0; i < count; ++i) {
$noinline$indexOf(s, c);
}
}
public void timeIndexOfW(int count) {
final char c = 'W';
String s = string36;
for (int i = 0; i < count; ++i) {
$noinline$indexOf(s, c);
}
}
public void timeIndexOf_(int count) {
final char c = '_';
String s = string36;
for (int i = 0; i < count; ++i) {
$noinline$indexOf(s, c);
}
}
static int $noinline$indexOf(String s, char c) {
if (doThrow) { throw new Error(); }
return s.indexOf(c);
}
public static boolean doThrow = false;
}
|
