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// 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.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.PrintWriter;
import java.io.RandomAccessFile;
import java.util.ArrayList;
import java.util.List;
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));
return true;
} catch (Exception e) {
System.err.println("Error: " + e.getMessage());
System.err.println("Detailed exception information:");
e.printStackTrace(System.err);
return false;
}
}
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");
} else if (benchmarkDataset.getMessageName().
equals("benchmarks.google_message4.GoogleMessage4")) {
temp.add("-DbenchmarkMessageType=GOOGLE_MESSAGE4");
} else {
return null;
}
temp.add("-i");
temp.add("runtime");
temp.add("-b");
String benchmarkNames = "serializeToByteString,serializeToByteArray,serializeToMemoryStream"
+ ",deserializeFromByteString,deserializeFromByteArray,deserializeFromMemoryStream";
temp.add(benchmarkNames);
temp.add("-Cinstrument.runtime.options.timingInterval=3000ms");
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;
}
}
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