57827
|
1 |
/*
|
|
2 |
* Copyright (c) 2014, 2019, 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.java.lang.reflect.proxy;
|
|
24 |
|
|
25 |
import java.util.List;
|
|
26 |
|
|
27 |
import org.openjdk.jmh.annotations.Benchmark;
|
|
28 |
import org.openjdk.jmh.annotations.BenchmarkMode;
|
|
29 |
import org.openjdk.jmh.annotations.CompilerControl;
|
|
30 |
import org.openjdk.jmh.annotations.Fork;
|
|
31 |
import org.openjdk.jmh.annotations.Measurement;
|
|
32 |
import org.openjdk.jmh.annotations.Mode;
|
|
33 |
import org.openjdk.jmh.annotations.OutputTimeUnit;
|
|
34 |
import org.openjdk.jmh.annotations.Scope;
|
|
35 |
import org.openjdk.jmh.annotations.Setup;
|
|
36 |
import org.openjdk.jmh.annotations.State;
|
|
37 |
import org.openjdk.jmh.annotations.Warmup;
|
|
38 |
|
|
39 |
import org.openjdk.jmh.infra.Blackhole;
|
|
40 |
|
|
41 |
import java.lang.reflect.InvocationHandler;
|
|
42 |
import java.lang.reflect.InvocationTargetException;
|
|
43 |
import java.lang.reflect.Method;
|
|
44 |
import java.lang.reflect.Modifier;
|
|
45 |
import java.util.concurrent.TimeUnit;
|
|
46 |
|
|
47 |
/**
|
|
48 |
* Benchmark measuring java.lang.reflect.ProxyGenerator.generateProxyClass.
|
|
49 |
* It bypasses the cache of proxies to measure the time to construct a proxy.
|
|
50 |
*/
|
|
51 |
@Warmup(iterations = 5)
|
|
52 |
@Measurement(iterations = 10)
|
|
53 |
@Fork(value = 1)
|
|
54 |
@BenchmarkMode(Mode.AverageTime)
|
|
55 |
@OutputTimeUnit(TimeUnit.NANOSECONDS)
|
|
56 |
@State(Scope.Thread)
|
|
57 |
public class ProxyPerf {
|
|
58 |
|
|
59 |
/**
|
|
60 |
* Sample results from a Dell T7610.
|
|
61 |
* Benchmark Mode Cnt Score Error Units
|
|
62 |
* ProxyPerf.genIntf_1 avgt 10 35325.428 +/- 780.459 ns/op
|
|
63 |
* ProxyPerf.genIntf_1_V49 avgt 10 34309.423 +/- 727.188 ns/op
|
|
64 |
* ProxyPerf.genStringsIntf_3 avgt 10 46600.366 +/- 663.812 ns/op
|
|
65 |
* ProxyPerf.genStringsIntf_3_V49 avgt 10 45911.817 +/- 1598.536 ns/op
|
|
66 |
* ProxyPerf.genZeroParams avgt 10 33245.048 +/- 437.988 ns/op
|
|
67 |
* ProxyPerf.genZeroParams_V49 avgt 10 32954.254 +/- 1041.932 ns/op
|
|
68 |
* ProxyPerf.getPrimsIntf_2 avgt 10 43987.819 +/- 837.443 ns/op
|
|
69 |
* ProxyPerf.getPrimsIntf_2_V49 avgt 10 42863.462 +/- 1193.480 ns/op
|
|
70 |
*/
|
|
71 |
|
|
72 |
public interface Intf_1 {
|
|
73 |
public Object mL(Object o);
|
|
74 |
}
|
|
75 |
|
|
76 |
public interface Intf_2 {
|
|
77 |
public int m1I(int i);
|
|
78 |
public long m2IJ(int i, long l);
|
|
79 |
}
|
|
80 |
|
|
81 |
public interface Intf_3 {
|
|
82 |
public void mString(String s1);
|
|
83 |
public String m2String(String s1);
|
|
84 |
public String m2String(String s1, String s2);
|
|
85 |
}
|
|
86 |
|
|
87 |
private InvocationHandler handler;
|
|
88 |
private ClassLoader classloader;
|
|
89 |
private Method proxyGen;
|
|
90 |
private Method proxyGenV49;
|
|
91 |
|
|
92 |
@Setup
|
|
93 |
public void setup() {
|
|
94 |
try {
|
|
95 |
handler = (Object proxy, Method method, Object[] args) -> null;
|
|
96 |
classloader = ClassLoader.getSystemClassLoader();
|
|
97 |
Class<?> proxyGenClass = Class.forName("java.lang.reflect.ProxyGenerator");
|
|
98 |
proxyGen = proxyGenClass.getDeclaredMethod("generateProxyClass",
|
|
99 |
ClassLoader.class, String.class, java.util.List.class, int.class);
|
|
100 |
proxyGen.setAccessible(true);
|
|
101 |
|
|
102 |
// Init access to the old Proxy generator
|
|
103 |
Class<?> proxyGenClassV49 = Class.forName("java.lang.reflect.ProxyGenerator_v49");
|
|
104 |
proxyGenV49 = proxyGenClassV49.getDeclaredMethod("generateProxyClass",
|
|
105 |
String.class, java.util.List.class, int.class);
|
|
106 |
proxyGenV49.setAccessible(true);
|
|
107 |
|
|
108 |
} catch (Exception ex) {
|
|
109 |
ex.printStackTrace();
|
|
110 |
throw new RuntimeException("ProxyClass setup fails", ex);
|
|
111 |
}
|
|
112 |
}
|
|
113 |
|
|
114 |
@Benchmark
|
|
115 |
public void genZeroParams(Blackhole bh) throws Exception {
|
|
116 |
List<Class<?>> interfaces = List.of(Runnable.class);
|
|
117 |
bh.consume(proxyGen.invoke(null, classloader, "ProxyImpl", interfaces, 1));
|
|
118 |
}
|
|
119 |
|
|
120 |
@Benchmark
|
|
121 |
public void genIntf_1(Blackhole bh) throws Exception {
|
|
122 |
List<Class<?>> interfaces = List.of(Intf_1.class);
|
|
123 |
bh.consume(proxyGen.invoke(null, classloader, "ProxyImpl", interfaces, 1));
|
|
124 |
}
|
|
125 |
|
|
126 |
@Benchmark
|
|
127 |
public void getPrimsIntf_2(Blackhole bh) throws Exception {
|
|
128 |
List<Class<?>> interfaces = List.of(Intf_2.class);
|
|
129 |
bh.consume(proxyGen.invoke(null, classloader, "ProxyImpl", interfaces, 1));
|
|
130 |
}
|
|
131 |
@Benchmark
|
|
132 |
public void genStringsIntf_3(Blackhole bh) throws Exception {
|
|
133 |
List<Class<?>> interfaces = List.of(Intf_3.class);
|
|
134 |
bh.consume(proxyGen.invoke(null, classloader, "ProxyImpl", interfaces, 1));
|
|
135 |
}
|
|
136 |
|
|
137 |
// Generate using the V49inal generator for comparison
|
|
138 |
|
|
139 |
@Benchmark
|
|
140 |
public void genZeroParams_V49(Blackhole bh) throws Exception {
|
|
141 |
List<Class<?>> interfaces = List.of(Runnable.class);
|
|
142 |
bh.consume(proxyGenV49.invoke(null, "ProxyImpl", interfaces, 1));
|
|
143 |
}
|
|
144 |
|
|
145 |
@Benchmark
|
|
146 |
public void genIntf_1_V49(Blackhole bh) throws Exception {
|
|
147 |
List<Class<?>> interfaces = List.of(Intf_1.class);
|
|
148 |
bh.consume(proxyGenV49.invoke(null, "ProxyImpl", interfaces, 1));
|
|
149 |
}
|
|
150 |
|
|
151 |
@Benchmark
|
|
152 |
public void getPrimsIntf_2_V49(Blackhole bh) throws Exception {
|
|
153 |
List<Class<?>> interfaces = List.of(Intf_2.class);
|
|
154 |
bh.consume(proxyGenV49.invoke(null, "ProxyImpl", interfaces, 1));
|
|
155 |
}
|
|
156 |
@Benchmark
|
|
157 |
public void genStringsIntf_3_V49(Blackhole bh) throws Exception {
|
|
158 |
List<Class<?>> interfaces = List.of(Intf_3.class);
|
|
159 |
bh.consume(proxyGenV49.invoke(null, "ProxyImpl", interfaces, 1));
|
|
160 |
}
|
|
161 |
|
|
162 |
}
|