Split up benchmarks into specific types for serialization and deserialization.
This commit is contained in:
parent
114633fbf9
commit
4fc0577933
@ -17,12 +17,11 @@ package com.google.gson.metrics;
|
||||
|
||||
import java.io.IOException;
|
||||
import java.io.StringReader;
|
||||
import java.lang.reflect.Field;
|
||||
|
||||
import com.google.caliper.Param;
|
||||
import com.google.caliper.Runner;
|
||||
import com.google.caliper.SimpleBenchmark;
|
||||
import com.google.gson.Gson;
|
||||
import com.google.gson.GsonBuilder;
|
||||
import com.google.gson.stream.JsonReader;
|
||||
|
||||
/**
|
||||
@ -32,38 +31,35 @@ import com.google.gson.stream.JsonReader;
|
||||
* @author Jesse Wilson
|
||||
* @author Joel Leitch
|
||||
*/
|
||||
public class GsonBenchmark extends SimpleBenchmark {
|
||||
public class BagOfPrimitivesDeserializationBenchmark extends SimpleBenchmark {
|
||||
|
||||
private Gson gson;
|
||||
private BagOfPrimitives bag;
|
||||
private String json;
|
||||
@Param
|
||||
private boolean pretty;
|
||||
|
||||
public static void main(String[] args) {
|
||||
Runner.main(GsonBenchmark.class, args);
|
||||
Runner.main(BagOfPrimitivesDeserializationBenchmark.class, args);
|
||||
}
|
||||
|
||||
@Override
|
||||
protected void setUp() throws Exception {
|
||||
this.gson = pretty ? new GsonBuilder().setPrettyPrinting().create() : new Gson();
|
||||
this.bag = new BagOfPrimitives(10L, 1, false, "foo");
|
||||
this.gson = new Gson();
|
||||
BagOfPrimitives bag = new BagOfPrimitives(10L, 1, false, "foo");
|
||||
this.json = gson.toJson(bag);
|
||||
}
|
||||
|
||||
public void timeObjectSerialization(int reps) {
|
||||
for (int i=0; i<reps; ++i) {
|
||||
gson.toJson(bag);
|
||||
}
|
||||
}
|
||||
|
||||
public void timeObjectDeserialization(int reps) {
|
||||
/**
|
||||
* Benchmark to measure Gson performance for deserializing an object
|
||||
*/
|
||||
public void timeBagOfPrimitivesDefault(int reps) {
|
||||
for (int i=0; i<reps; ++i) {
|
||||
gson.fromJson(json, BagOfPrimitives.class);
|
||||
}
|
||||
}
|
||||
|
||||
public void timeStreamingParserDeserialization(int reps) throws IOException {
|
||||
/**
|
||||
* Benchmark to measure deserializing objects by hand
|
||||
*/
|
||||
public void timeBagOfPrimitivesStreaming(int reps) throws IOException {
|
||||
for (int i=0; i<reps; ++i) {
|
||||
StringReader reader = new StringReader(json);
|
||||
JsonReader jr = new JsonReader(reader);
|
||||
@ -90,4 +86,38 @@ public class GsonBenchmark extends SimpleBenchmark {
|
||||
new BagOfPrimitives(longValue, intValue, booleanValue, stringValue);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* This benchmark measures the ideal Gson performance: the cost of parsing a JSON stream and
|
||||
* setting object values by reflection. We should strive to reduce the discrepancy between this
|
||||
* and {@link #timeBagOfPrimitivesDefault(int)} .
|
||||
*/
|
||||
public void timeBagOfPrimitivesReflectionStreaming(int reps) throws Exception {
|
||||
for (int i=0; i<reps; ++i) {
|
||||
StringReader reader = new StringReader(json);
|
||||
JsonReader jr = new JsonReader(reader);
|
||||
jr.beginObject();
|
||||
BagOfPrimitives bag = new BagOfPrimitives();
|
||||
while(jr.hasNext()) {
|
||||
String name = jr.nextName();
|
||||
for (Field field : BagOfPrimitives.class.getDeclaredFields()) {
|
||||
if (field.getName().equals(name)) {
|
||||
Class<?> fieldType = field.getType();
|
||||
if (fieldType.equals(long.class)) {
|
||||
field.setLong(bag, jr.nextLong());
|
||||
} else if (fieldType.equals(int.class)) {
|
||||
field.setInt(bag, jr.nextInt());
|
||||
} else if (fieldType.equals(boolean.class)) {
|
||||
field.setBoolean(bag, jr.nextBoolean());
|
||||
} else if (fieldType.equals(String.class)) {
|
||||
field.set(bag, jr.nextString());
|
||||
} else {
|
||||
throw new RuntimeException("Unexpected: type: " + fieldType + ", name: " + name);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
jr.endObject();
|
||||
}
|
||||
}
|
||||
}
|
@ -0,0 +1,140 @@
|
||||
/*
|
||||
* Copyright (C) 2011 Google Inc.
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
package com.google.gson.metrics;
|
||||
|
||||
import java.io.IOException;
|
||||
import java.io.StringReader;
|
||||
import java.lang.reflect.Field;
|
||||
import java.lang.reflect.Type;
|
||||
import java.util.ArrayList;
|
||||
import java.util.List;
|
||||
|
||||
import com.google.caliper.Runner;
|
||||
import com.google.caliper.SimpleBenchmark;
|
||||
import com.google.gson.Gson;
|
||||
import com.google.gson.reflect.TypeToken;
|
||||
import com.google.gson.stream.JsonReader;
|
||||
|
||||
/**
|
||||
* Caliper based micro benchmarks for Gson
|
||||
*
|
||||
* @author Inderjeet Singh
|
||||
*/
|
||||
public class CollectionsDeserializationBenchmark extends SimpleBenchmark {
|
||||
|
||||
private static final Type LIST_TYPE = new TypeToken<List<BagOfPrimitives>>(){}.getType();
|
||||
private Gson gson;
|
||||
private String json;
|
||||
|
||||
public static void main(String[] args) {
|
||||
Runner.main(CollectionsDeserializationBenchmark.class, args);
|
||||
}
|
||||
|
||||
@Override
|
||||
protected void setUp() throws Exception {
|
||||
this.gson = new Gson();
|
||||
List<BagOfPrimitives> bags = new ArrayList<BagOfPrimitives>();
|
||||
for (int i = 0; i < 100; ++i) {
|
||||
bags.add(new BagOfPrimitives(10L, 1, false, "foo"));
|
||||
}
|
||||
this.json = gson.toJson(bags, LIST_TYPE);
|
||||
}
|
||||
|
||||
/**
|
||||
* Benchmark to measure Gson performance for deserializing an object
|
||||
*/
|
||||
public void timeCollectionsDefault(int reps) {
|
||||
for (int i=0; i<reps; ++i) {
|
||||
gson.fromJson(json, LIST_TYPE);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Benchmark to measure deserializing objects by hand
|
||||
*/
|
||||
public void timeCollectionsStreaming(int reps) throws IOException {
|
||||
for (int i=0; i<reps; ++i) {
|
||||
StringReader reader = new StringReader(json);
|
||||
JsonReader jr = new JsonReader(reader);
|
||||
jr.beginArray();
|
||||
List<BagOfPrimitives> bags = new ArrayList<BagOfPrimitives>();
|
||||
while(jr.hasNext()) {
|
||||
jr.beginObject();
|
||||
long longValue = 0;
|
||||
int intValue = 0;
|
||||
boolean booleanValue = false;
|
||||
String stringValue = null;
|
||||
while(jr.hasNext()) {
|
||||
String name = jr.nextName();
|
||||
if (name.equals("longValue")) {
|
||||
longValue = jr.nextLong();
|
||||
} else if (name.equals("intValue")) {
|
||||
intValue = jr.nextInt();
|
||||
} else if (name.equals("booleanValue")) {
|
||||
booleanValue = jr.nextBoolean();
|
||||
} else if (name.equals("stringValue")) {
|
||||
stringValue = jr.nextString();
|
||||
} else {
|
||||
throw new IOException("Unexpected name: " + name);
|
||||
}
|
||||
}
|
||||
jr.endObject();
|
||||
bags.add(new BagOfPrimitives(longValue, intValue, booleanValue, stringValue));
|
||||
}
|
||||
jr.endArray();
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* This benchmark measures the ideal Gson performance: the cost of parsing a JSON stream and
|
||||
* setting object values by reflection. We should strive to reduce the discrepancy between this
|
||||
* and {@link #timeCollectionsDefault(int)} .
|
||||
*/
|
||||
public void timeCollectionsReflectionStreaming(int reps) throws Exception {
|
||||
for (int i=0; i<reps; ++i) {
|
||||
StringReader reader = new StringReader(json);
|
||||
JsonReader jr = new JsonReader(reader);
|
||||
jr.beginArray();
|
||||
List<BagOfPrimitives> bags = new ArrayList<BagOfPrimitives>();
|
||||
while(jr.hasNext()) {
|
||||
jr.beginObject();
|
||||
BagOfPrimitives bag = new BagOfPrimitives();
|
||||
while(jr.hasNext()) {
|
||||
String name = jr.nextName();
|
||||
for (Field field : BagOfPrimitives.class.getDeclaredFields()) {
|
||||
if (field.getName().equals(name)) {
|
||||
Class<?> fieldType = field.getType();
|
||||
if (fieldType.equals(long.class)) {
|
||||
field.setLong(bag, jr.nextLong());
|
||||
} else if (fieldType.equals(int.class)) {
|
||||
field.setInt(bag, jr.nextInt());
|
||||
} else if (fieldType.equals(boolean.class)) {
|
||||
field.setBoolean(bag, jr.nextBoolean());
|
||||
} else if (fieldType.equals(String.class)) {
|
||||
field.set(bag, jr.nextString());
|
||||
} else {
|
||||
throw new RuntimeException("Unexpected: type: " + fieldType + ", name: " + name);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
jr.endObject();
|
||||
bags.add(bag);
|
||||
}
|
||||
jr.endArray();
|
||||
}
|
||||
}
|
||||
}
|
@ -0,0 +1,53 @@
|
||||
/*
|
||||
* Copyright (C) 2011 Google Inc.
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
package com.google.gson.metrics;
|
||||
|
||||
import com.google.caliper.Param;
|
||||
import com.google.caliper.Runner;
|
||||
import com.google.caliper.SimpleBenchmark;
|
||||
import com.google.gson.Gson;
|
||||
import com.google.gson.GsonBuilder;
|
||||
|
||||
/**
|
||||
* Caliper based micro benchmarks for Gson serialization
|
||||
*
|
||||
* @author Inderjeet Singh
|
||||
* @author Jesse Wilson
|
||||
* @author Joel Leitch
|
||||
*/
|
||||
public class SerializationBenchmark extends SimpleBenchmark {
|
||||
|
||||
private Gson gson;
|
||||
private BagOfPrimitives bag;
|
||||
@Param
|
||||
private boolean pretty;
|
||||
|
||||
public static void main(String[] args) {
|
||||
Runner.main(SerializationBenchmark.class, args);
|
||||
}
|
||||
|
||||
@Override
|
||||
protected void setUp() throws Exception {
|
||||
this.gson = pretty ? new GsonBuilder().setPrettyPrinting().create() : new Gson();
|
||||
this.bag = new BagOfPrimitives(10L, 1, false, "foo");
|
||||
}
|
||||
|
||||
public void timeObjectSerialization(int reps) {
|
||||
for (int i=0; i<reps; ++i) {
|
||||
gson.toJson(bag);
|
||||
}
|
||||
}
|
||||
}
|
Loading…
Reference in New Issue
Block a user