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package org.apache.thrift.protocol;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.apache.thrift.Fixtures;
import org.apache.thrift.TException;
import org.apache.thrift.transport.TMemoryBuffer;
public class BenchmarkProtocols {
private static final Set<TProtocolFactory> FACTORIES = new LinkedHashSet<TProtocolFactory>(){{
add(new TTupleProtocol.Factory());
add(new TCompactProtocol.Factory());
add(new TBinaryProtocol.Factory());
}};
private static final int NUM_REPS = 100000;
private static final int NUM_TRIALS = 10;
public static void main(String[] args) throws TException {
Map<TProtocolFactory, List<Long>> timesByFactory = new HashMap<TProtocolFactory, List<Long>>();
for (int trial = 0; trial < NUM_TRIALS; trial++) {
for (int i = 0; i < 16; i++) {
System.gc();
}
// TProtocol proto = factory.getProtocol(new TTransport() {
// @Override
// public void write(byte[] buf, int off, int len) throws TTransportException {
// }
//
// @Override
// public int read(byte[] buf, int off, int len) throws TTransportException {
// return 0;
// }
//
// @Override
// public void open() throws TTransportException {
// }
//
// @Override
// public boolean isOpen() {
// return true;
// }
//
// @Override
// public void close() {
// }
// });
for (TProtocolFactory factory : FACTORIES) {
if (timesByFactory.get(factory) == null) {
timesByFactory.put(factory, new ArrayList<Long>());
}
long start = System.currentTimeMillis();
for (int rep = 0; rep < NUM_REPS; rep++) {
TProtocol proto = factory.getProtocol(new TMemoryBuffer(128*1024));
Fixtures.compactProtoTestStruct.write(proto);
Fixtures.nesting.write(proto);
}
long end = System.currentTimeMillis();
timesByFactory.get(factory).add(end-start);
}
}
for (TProtocolFactory factory : FACTORIES) {
List<Long> times = timesByFactory.get(factory);
// System.out.println("raw times pre-drop: " + times );
times.remove(Collections.max(times));
long total = 0;
for (long t : times) {
total += t;
}
Collections.sort(times);
System.out.println(factory.getClass().getName() + " average time: " + (total / times.size()) + "ms");
System.out.println("raw times: " + times);
}
}
}
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