SPARQLParseBenchmark.java
/*******************************************************************************
* Copyright (c) 2019 Eclipse RDF4J contributors.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Distribution License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* SPDX-License-Identifier: BSD-3-Clause
*******************************************************************************/
package org.eclipse.rdf4j.query.parser.sparql;
import java.util.concurrent.TimeUnit;
import org.eclipse.rdf4j.query.parser.ParsedQuery;
import org.openjdk.jmh.annotations.Benchmark;
import org.openjdk.jmh.annotations.BenchmarkMode;
import org.openjdk.jmh.annotations.Fork;
import org.openjdk.jmh.annotations.Measurement;
import org.openjdk.jmh.annotations.Mode;
import org.openjdk.jmh.annotations.OutputTimeUnit;
import org.openjdk.jmh.annotations.Scope;
import org.openjdk.jmh.annotations.State;
import org.openjdk.jmh.annotations.Warmup;
import org.openjdk.jmh.runner.Runner;
import org.openjdk.jmh.runner.RunnerException;
import org.openjdk.jmh.runner.options.Options;
import org.openjdk.jmh.runner.options.OptionsBuilder;
@State(Scope.Benchmark)
@Warmup(iterations = 5)
@BenchmarkMode({ Mode.AverageTime })
//@Fork(value = 1, jvmArgs = {"-Xms4G", "-Xmx4G", "-XX:StartFlightRecording=delay=5s,duration=60s,filename=recording.jfr,settings=profile", "-XX:FlightRecorderOptions=samplethreads=true,stackdepth=1024", "-XX:+UnlockDiagnosticVMOptions", "-XX:+DebugNonSafepoints"})
@Fork(value = 1, jvmArgs = { "-Xms4G", "-Xmx4G" })
@Measurement(iterations = 5)
@OutputTimeUnit(TimeUnit.MILLISECONDS)
public class SPARQLParseBenchmark {
public static void main(String[] args) throws RunnerException {
Options opt = new OptionsBuilder()
.include("SPARQLParseBenchmark") // adapt to control which benchmark test to run
.forks(1)
.build();
new Runner(opt).run();
}
@Benchmark
public int selectValuesQuery() {
int temp = 0;
for (int i = 0; i < 1000; i++) {
String simpleSparqlQuery = "select * where { VALUES (?a) {(<http://a" + i + ">)} ?a ?P ?Y } order by ?a";
SPARQLParser parser = new SPARQLParser();
ParsedQuery q = parser.parseQuery(simpleSparqlQuery, null);
temp += q.hashCode();
}
return temp;
}
@Benchmark
public int complexPathExpressionQuery() {
int temp = 0;
for (int i = 0; i < 1000; i++) {
String sparqlQuery = "select * where { ?a (<foo:comment>/^(<foo:subClassOf>|(<foo:type>/<foo:label>))/<foo:type>)* ?b }";
SPARQLParser parser = new SPARQLParser();
ParsedQuery q = parser.parseQuery(sparqlQuery, null);
temp += q.hashCode();
}
return temp;
}
}