Created
September 11, 2023 10:04
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package com.fasterxml.jackson.perf.json; | |
import com.fasterxml.jackson.core.JsonFactory; | |
import com.fasterxml.jackson.core.util.BufferRecycler; | |
import com.fasterxml.jackson.core.util.BufferRecyclerPool; | |
import com.fasterxml.jackson.jr.ob.JSON; | |
import com.fasterxml.jackson.perf.model.MediaItems; | |
import com.fasterxml.jackson.perf.util.NopOutputStream; | |
import org.jctools.queues.MpmcUnboundedXaddArrayQueue; | |
import org.openjdk.jmh.annotations.Benchmark; | |
import org.openjdk.jmh.annotations.Fork; | |
import org.openjdk.jmh.annotations.Measurement; | |
import org.openjdk.jmh.annotations.OutputTimeUnit; | |
import org.openjdk.jmh.annotations.Param; | |
import org.openjdk.jmh.annotations.Scope; | |
import org.openjdk.jmh.annotations.Setup; | |
import org.openjdk.jmh.annotations.State; | |
import org.openjdk.jmh.annotations.Threads; | |
import org.openjdk.jmh.infra.Blackhole; | |
import java.io.IOException; | |
import java.util.concurrent.TimeUnit; | |
@State(value = Scope.Benchmark) | |
@Measurement(iterations = 10) | |
@Fork(1) | |
@Threads(Threads.MAX) | |
@OutputTimeUnit(TimeUnit.MILLISECONDS) | |
public class JacksonWriteVanilla { | |
private JSON json; | |
private Object item; | |
@Param({"large", "small"}) | |
private String objectSize; | |
@Param({"NO_OP", "THREAD_LOCAL", "LOCK_FREE", "CONCURRENT_DEQUEUE", "JCTOOLS", "JCTOOLS_RELAXED"}) | |
private String poolStrategy; | |
@Setup | |
public void setup() { | |
this.json = createJson(); | |
this.item = objectSize.equalsIgnoreCase("large") ? MediaItems.stdMediaItem() : new Person("Mario", "Fusco", 49); | |
} | |
private JSON createJson() { | |
BufferRecyclerPool pool = Pools.PoolStrategy.valueOf(poolStrategy).getPool(); | |
JsonFactory jsonFactory = new JsonFactory().setBufferRecyclerPool(pool); | |
return new JSON(jsonFactory); | |
} | |
@Benchmark | |
@OutputTimeUnit(TimeUnit.SECONDS) | |
public void writePojoMediaItem(Blackhole bh) throws Exception { | |
bh.consume(write(item, json)); | |
} | |
protected final int write(Object value, JSON writer) { | |
NopOutputStream out = new NopOutputStream(); | |
try { | |
writer.write(value, out); | |
} catch (IOException e) { | |
throw new RuntimeException(e); | |
} | |
return out.size(); | |
} | |
static class Person { | |
private String firstName; | |
private String lastName; | |
private int age; | |
public Person(String firstName, String lastName, int age) { | |
this.firstName = firstName; | |
this.lastName = lastName; | |
this.age = age; | |
} | |
public String getFirstName() { | |
return firstName; | |
} | |
public String getLastName() { | |
return lastName; | |
} | |
public int getAge() { | |
return age; | |
} | |
public void setFirstName(String firstName) { | |
this.firstName = firstName; | |
} | |
public void setLastName(String lastName) { | |
this.lastName = lastName; | |
} | |
public void setAge(int age) { | |
this.age = age; | |
} | |
} | |
} |
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