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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER .
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* particular file as subject to the " Classpath " exception as provided
* by Oracle in the LICENSE file that accompanied this code .
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* This code is distributed in the hope that it will be useful , but WITHOUT
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* 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 ) .
*
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package org.openjdk.bench.vm.fences;
import org.openjdk.jmh.annotations.*;
import java.lang.invoke.VarHandle;
import java.util.concurrent.TimeUnit;
@Warmup(iterations = 3 , time = 1 , timeUnit = TimeUnit.SECONDS)
@Measurement(iterations = 3 , time = 1 , timeUnit = TimeUnit.SECONDS)
@Fork(3 )
@BenchmarkMode(Mode.AverageTime)
@OutputTimeUnit(TimeUnit.NANOSECONDS)
public class Single {
@Benchmark
public void plain() {
// Do nothing
}
@Benchmark
public void loadLoad() {
VarHandle.loadLoadFence();
}
@Benchmark
public void storeStore() {
VarHandle.storeStoreFence();
}
@Benchmark
public void acquire() {
VarHandle.acquireFence();
}
@Benchmark
public void release() {
VarHandle.releaseFence();
}
@Benchmark
public void full() {
VarHandle.fullFence();
}
}
Messung V0.5 in Prozent C=86 H=91 G=88
¤ Dauer der Verarbeitung: 0.18 Sekunden
(vorverarbeitet am 2026-06-10)
¤
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