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/*
* Copyright (c) 2005, 2013, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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package org.openjdk.jmh.results;
import org.openjdk.jmh.runner.options.TimeValue;
import org.openjdk.jmh.util.ListStatistics;
import org.openjdk.jmh.util.Statistics;
import java.util.Collection;
import java.util.concurrent.TimeUnit;
/**
* Result class that counts the number of operations performed during a specified unit of time.
*/
public class ThroughputResult extends Result {
private static final long serialVersionUID = 7269598073169413322L;
public ThroughputResult(ResultRole role, String label, long operations, long durationNs, TimeUnit outputTimeUnit) {
this(role, label,
of(1.0D * operations * TimeUnit.NANOSECONDS.convert(1, outputTimeUnit) / durationNs),
"ops/" + TimeValue.tuToString(outputTimeUnit),
AggregationPolicy.SUM);
}
ThroughputResult(ResultRole role, String label, Statistics s, String unit, AggregationPolicy policy) {
super(role, label, s, unit, policy);
}
@Override
protected Aggregator getThreadAggregator() {
return new ThroughputAggregator(AggregationPolicy.SUM);
}
@Override
protected Aggregator getIterationAggregator() {
return new ThroughputAggregator(AggregationPolicy.AVG);
}
static class ThroughputAggregator implements Aggregator {
private final AggregationPolicy policy;
ThroughputAggregator(AggregationPolicy policy) {
this.policy = policy;
}
@Override
public ThroughputResult aggregate(Collection results) {
ListStatistics stat = new ListStatistics();
for (ThroughputResult r : results) {
stat.addValue(r.getScore());
}
return new ThroughputResult(
AggregatorUtils.aggregateRoles(results),
AggregatorUtils.aggregateLabels(results),
stat,
AggregatorUtils.aggregateUnits(results),
policy
);
}
}
}