aboutsummaryrefslogtreecommitdiff
path: root/org.jacoco.core.test/src/org/jacoco/core/test/perf/targets/Target01.java
blob: 791200eb3189926eabc1b38c58c1fba4f8022f39 (plain)
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
123
124
125
126
127
128
129
130
/*******************************************************************************
 * Copyright (c) 2009, 2022 Mountainminds GmbH & Co. KG and Contributors
 * This program and the accompanying materials are made available under
 * the terms of the Eclipse Public License 2.0 which is available at
 * http://www.eclipse.org/legal/epl-2.0
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 * Contributors:
 *    Marc R. Hoffmann - initial API and implementation
 *
 *******************************************************************************/
package org.jacoco.core.test.perf.targets;

import java.util.concurrent.Callable;

/**
 * Plain method calls.
 */
public class Target01 implements Callable<Void> {

	@SuppressWarnings("unused")
	private int c;

	// 4 ^ 0 = 1 times
	public Void call() throws Exception {
		m1();
		m1();
		m1();
		m1();
		c++; // some side effect, otherwise the JIT will remove the method
		return null;
	}

	// 4 ^ 1 = 4 times
	public void m1() {
		m2();
		m2();
		m2();
		m2();
		c++; // some side effect, otherwise the JIT will remove the method
	}

	// 4 ^ 2 == 16 times
	public void m2() {
		m3();
		m3();
		m3();
		m3();
		c++; // some side effect, otherwise the JIT will remove the method
	}

	// 4 ^ 3 == 64 times
	public void m3() {
		m4();
		m4();
		m4();
		m4();
		c++; // some side effect, otherwise the JIT will remove the method
	}

	// 4 ^ 4 == 256 times
	public void m4() {
		m5();
		m5();
		m5();
		m5();
		c++; // some side effect, otherwise the JIT will remove the method
	}

	// 4 ^ 5 == 1,024 times
	public void m5() {
		m6();
		m6();
		m6();
		m6();
		c++; // some side effect, otherwise the JIT will remove the method
	}

	// 4 ^ 6 == 4,096 times
	public void m6() {
		m7();
		m7();
		m7();
		m7();
		c++; // some side effect, otherwise the JIT will remove the method
	}

	// 4 ^ 7 == 16,384 times
	public void m7() {
		m8();
		m8();
		m8();
		m8();
		c++; // some side effect, otherwise the JIT will remove the method
	}

	// 4 ^ 8 == 65,536 times
	public void m8() {
		m9();
		m9();
		m9();
		m9();
		c++; // some side effect, otherwise the JIT will remove the method
	}

	// 4 ^ 9 == 262,144 times
	public void m9() {
		m10();
		m10();
		m10();
		m10();
		c++; // some side effect, otherwise the JIT will remove the method
	}

	// 4 ^ 10 == 1,048,576 times
	public void m10() {
		m11();
		m11();
		m11();
		m11();
		c++; // some side effect, otherwise the JIT will remove the method
	}

	// 4 ^ 11 == 4,194,304 times
	public void m11() {
		c++; // some side effect, otherwise the JIT will remove the method
	}

}