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GH-3654 add benchmarks
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‎core/rio/jsonld/pom.xml

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<version>${project.version}</version>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>org.openjdk.jmh</groupId>
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<artifactId>jmh-core</artifactId>
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<version>${jmhVersion}</version>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>org.openjdk.jmh</groupId>
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<artifactId>jmh-generator-annprocess</artifactId>
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<version>${jmhVersion}</version>
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<scope>test</scope>
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</dependency>
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</dependencies>
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</project>

‎core/rio/jsonld/src/test/java/org/eclipse/rdf4j/rio/jsonld/ReadWriteBenchmark.java

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/*******************************************************************************
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* Copyright (c) 2024 Eclipse RDF4J contributors.
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*
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* All rights reserved. This program and the accompanying materials
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* are made available under the terms of the Eclipse Distribution License v1.0
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* which accompanies this distribution, and is available at
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* http://www.eclipse.org/org/documents/edl-v10.php.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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******************************************************************************/
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package org.eclipse.rdf4j.rio.jsonld;
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import java.io.BufferedWriter;
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import java.io.File;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.StringReader;
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import java.io.StringWriter;
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import java.io.Writer;
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import java.nio.charset.StandardCharsets;
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import java.util.concurrent.TimeUnit;
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import org.apache.commons.io.FileUtils;
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import org.eclipse.rdf4j.model.Model;
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import org.eclipse.rdf4j.rio.RDFFormat;
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import org.eclipse.rdf4j.rio.Rio;
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import org.eclipse.rdf4j.rio.WriterConfig;
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import org.eclipse.rdf4j.rio.helpers.BasicWriterSettings;
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import org.openjdk.jmh.annotations.Benchmark;
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import org.openjdk.jmh.annotations.BenchmarkMode;
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import org.openjdk.jmh.annotations.Fork;
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import org.openjdk.jmh.annotations.Level;
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import org.openjdk.jmh.annotations.Measurement;
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import org.openjdk.jmh.annotations.Mode;
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import org.openjdk.jmh.annotations.OutputTimeUnit;
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import org.openjdk.jmh.annotations.Scope;
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import org.openjdk.jmh.annotations.Setup;
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import org.openjdk.jmh.annotations.State;
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import org.openjdk.jmh.annotations.Warmup;
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@State(Scope.Benchmark)
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@Warmup(iterations = 5)
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@BenchmarkMode({ Mode.AverageTime })
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@Fork(value = 1, jvmArgs = { "-Xms2G", "-Xmx2G" })
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//@Fork(value = 1, jvmArgs = {"-Xms2G", "-Xmx2G", "-XX:StartFlightRecording=delay=5s,duration=120s,filename=recording.jfr,settings=profile", "-XX:FlightRecorderOptions=samplethreads=true,stackdepth=1024", "-XX:+UnlockDiagnosticVMOptions", "-XX:+DebugNonSafepoints"})
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@Measurement(iterations = 5)
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@OutputTimeUnit(TimeUnit.MILLISECONDS)
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public class ReadWriteBenchmark {
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Model parsed;
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private String parsedAsString;
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@Setup(Level.Trial)
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public void setUp() throws IOException {
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try (InputStream resourceAsStream = ReadWriteBenchmark.class.getClassLoader()
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.getResourceAsStream("benchmark/datagovbe-valid.jsonld")) {
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parsed = Rio.parse(resourceAsStream, "", RDFFormat.JSONLD);
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}
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parsedAsString = FileUtils.readFileToString(new File(
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ReadWriteBenchmark.class.getClassLoader().getResource("benchmark/datagovbe-valid.jsonld").getFile()),
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StandardCharsets.UTF_8);
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}
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@Benchmark
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public Writer writeToStringWriter() throws IOException {
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try (Writer writer = new StringWriter()) {
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Rio.write(parsed, writer, RDFFormat.JSONLD,
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new WriterConfig().set(BasicWriterSettings.PRETTY_PRINT, false));
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return writer;
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}
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}
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@Benchmark
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public Model parseFromString() throws IOException {
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return Rio.parse(new StringReader(parsedAsString), "", RDFFormat.JSONLD);
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}
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}

‎core/rio/jsonld/src/test/resources/benchmark/LICENSE

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Applies to: datagovbe-valid.ttl
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File is based on (with modifications): https://github.com/Fedict/dcat/blob/master/all/datagovbe.nt.gz
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CC0 1.0 and potentially CC-BY-2.0
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----------------------------------------
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CC0 1.0 Universal
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Statement of Purpose
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‎core/rio/jsonld/src/test/resources/benchmark/datagovbe-valid.jsonld

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