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
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
|
// Protocol Buffers - Google's data interchange format
// Copyright 2009 Google Inc. All rights reserved.
// https://developers.google.com/protocol-buffers/
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
package com.google.protobuf;
import com.google.caliper.BeforeExperiment;
import com.google.caliper.Benchmark;
import com.google.caliper.Param;
import com.google.caliper.runner.CaliperMain;
import com.google.protobuf.ByteString;
import com.google.protobuf.CodedInputStream;
import com.google.protobuf.CodedOutputStream;
import com.google.protobuf.ExtensionRegistry;
import com.google.protobuf.Message;
import com.google.protobuf.benchmarks.Benchmarks.BenchmarkDataset;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.EOFException;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.PrintWriter;
import java.io.RandomAccessFile;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;
public class ProtoBench {
private ProtoBench() {
// Prevent instantiation
}
public static void main(String[] args) {
if (args.length < 1) {
System.err.println("Usage: ./java-benchmark <input data>");
System.err.println("input data is in the format of \"benchmarks.proto\"");
System.exit(1);
}
boolean success = true;
for (int i = 0; i < args.length; i++) {
success &= runTest(args[i]);
}
System.exit(success ? 0 : 1);
}
/**
* Runs a single test with specific test data. Error messages are displayed to stderr,
* and the return value indicates general success/failure.
*/
public static boolean runTest(String file) {
byte[] inputData;
BenchmarkDataset benchmarkDataset;
try {
inputData = readAllBytes(file);
benchmarkDataset = BenchmarkDataset.parseFrom(inputData);
} catch (IOException e) {
System.err.println("Unable to get input data");
return false;
}
List<String> argsList = getCaliperOption(benchmarkDataset);
if (argsList == null) {
System.err.println("Unable to get default message " + benchmarkDataset.getMessageName());
return false;
}
argsList.add("-DdataFile=" + file);
argsList.add("com.google.protobuf.ProtoBenchCaliper");
try {
String args[] = new String[argsList.size()];
argsList.toArray(args);
CaliperMain.exitlessMain(args,
new PrintWriter(System.out, true), new PrintWriter(System.err, true));
} catch (Exception e) {
System.err.println("Error: " + e.getMessage());
System.err.println("Detailed exception information:");
e.printStackTrace(System.err);
return false;
}
try {
double mininumScale = 0;
// If the file not exist, this will throw IOException, which won't print the warning
// information below.
Scanner scanner = new Scanner(new String(readAllBytes("JavaBenchmarkWarning.txt")));
while (scanner.hasNext()) {
mininumScale = Math.max(mininumScale, scanner.nextDouble());
}
scanner.close();
System.out.println(
"WARNING: This benchmark's whole iterations are not enough, consider to config caliper to "
+ "run for more time to make the result more convincing. You may change the configure "
+ "code in com.google.protobuf.ProtoBench.getCaliperOption() of benchmark "
+ benchmarkDataset.getMessageName()
+ " to run for more time. e.g. Change the value of "
+ "instrument.runtime.options.timingInterval or value of "
+ "instrument.runtime.options.measurements to be at least "
+ Math.round(mininumScale * 10 + 1) / 10.0
+ " times of before, then build and run the benchmark again\n");
Files.deleteIfExists(Paths.get("JavaBenchmarkWarning.txt"));
} catch (IOException e) {
// The IOException here should be file not found, which means there's no warning generated by
// The benchmark, so this IOException should be discarded.
}
return true;
}
private static List<String> getCaliperOption(final BenchmarkDataset benchmarkDataset) {
List<String> temp = new ArrayList<String>();
if (benchmarkDataset.getMessageName().equals("benchmarks.proto3.GoogleMessage1")) {
temp.add("-DbenchmarkMessageType=GOOGLE_MESSAGE1_PROTO3");
} else if (benchmarkDataset.getMessageName().equals("benchmarks.proto2.GoogleMessage1")) {
temp.add("-DbenchmarkMessageType=GOOGLE_MESSAGE1_PROTO2");
} else if (benchmarkDataset.getMessageName().equals("benchmarks.proto2.GoogleMessage2")) {
temp.add("-DbenchmarkMessageType=GOOGLE_MESSAGE2");
} else if (benchmarkDataset.getMessageName().
equals("benchmarks.google_message3.GoogleMessage3")) {
temp.add("-DbenchmarkMessageType=GOOGLE_MESSAGE3");
temp.add("-Cinstrument.runtime.options.timingInterval=3000ms");
temp.add("-Cinstrument.runtime.options.measurements=20");
} else if (benchmarkDataset.getMessageName().
equals("benchmarks.google_message4.GoogleMessage4")) {
temp.add("-DbenchmarkMessageType=GOOGLE_MESSAGE4");
temp.add("-Cinstrument.runtime.options.timingInterval=1500ms");
temp.add("-Cinstrument.runtime.options.measurements=20");
} else {
return null;
}
temp.add("-i");
temp.add("runtime");
temp.add("-b");
String benchmarkNames = "serializeToByteString,serializeToByteArray,serializeToMemoryStream"
+ ",deserializeFromByteString,deserializeFromByteArray,deserializeFromMemoryStream";
temp.add(benchmarkNames);
return temp;
}
public static byte[] readAllBytes(String filename) throws IOException {
RandomAccessFile file = new RandomAccessFile(new File(filename), "r");
byte[] content = new byte[(int) file.length()];
file.readFully(content);
return content;
}
}
|
