jena-benchmarks/jena-benchmarks-jmh/src/test/java/org/apache/jena/mem/graph/helper/JMHDefaultOptions.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 org.apache.jena.mem.graph.helper;

import org.openjdk.jmh.annotations.Mode;
import org.openjdk.jmh.results.format.ResultFormatType;
import org.openjdk.jmh.runner.options.ChainedOptionsBuilder;
import org.openjdk.jmh.runner.options.OptionsBuilder;
import org.openjdk.jmh.runner.options.TimeValue;

import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;
import java.util.concurrent.TimeUnit;

/**
 * Default options for JMH benchmarks for graphs.
 */
public class JMHDefaultOptions {
    public static ChainedOptionsBuilder getDefaults(Class<?> c) {
        return new OptionsBuilder()
                // Specify which benchmarks to run.
                // You can be more specific if you'd like to run only one benchmark per test.
                .include(c.getName())
                // Set the following options as needed
                .mode (Mode.AverageTime)
                .timeUnit(TimeUnit.SECONDS)
                .warmupTime(TimeValue.NONE)
                .warmupIterations(5)
                .measurementIterations(15)
                .measurementTime(TimeValue.NONE)
                .threads(1)
                .forks(1)
                .shouldFailOnError(true)
                .shouldDoGC(true)
                //.jvmArgs("-XX:+UnlockDiagnosticVMOptions", "-XX:+PrintInlining")
                .jvmArgs("-Xmx12G")
                //.addProfiler(WinPerfAsmProfiler.class)
                .resultFormat(ResultFormatType.JSON)
                .result(c.getSimpleName() + "_" + LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyyyMMddHHmmss")) + ".json");
    }
}