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commit 884336f08c478bce32ad7725d1edc1918ec04483 Author: franz1981 <[email protected]> AuthorDate: Mon Jan 4 15:56:27 2021 +0100 ARTEMIS-3049 append only chunk list benchmark --- ...ncurrentAppendOnlyChunkListLookupBenchmark.java | 80 ++++++++++++++++++++++ 1 file changed, 80 insertions(+) diff --git a/tests/performance-jmh/src/main/java/org/apache/activemq/artemis/tests/performance/jmh/ConcurrentAppendOnlyChunkListLookupBenchmark.java b/tests/performance-jmh/src/main/java/org/apache/activemq/artemis/tests/performance/jmh/ConcurrentAppendOnlyChunkListLookupBenchmark.java new file mode 100644 index 0000000..8d36fb4 --- /dev/null +++ b/tests/performance-jmh/src/main/java/org/apache/activemq/artemis/tests/performance/jmh/ConcurrentAppendOnlyChunkListLookupBenchmark.java @@ -0,0 +1,80 @@ +/* + * 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.activemq.artemis.tests.performance.jmh; + +import org.apache.activemq.artemis.utils.collections.ConcurrentAppendOnlyChunkedList; +import org.openjdk.jmh.annotations.Benchmark; +import org.openjdk.jmh.annotations.Fork; +import org.openjdk.jmh.annotations.Measurement; +import org.openjdk.jmh.annotations.Param; +import org.openjdk.jmh.annotations.Scope; +import org.openjdk.jmh.annotations.Setup; +import org.openjdk.jmh.annotations.State; +import org.openjdk.jmh.annotations.Warmup; + +@State(Scope.Benchmark) +@Fork(2) +@Warmup(iterations = 5, time = 1) +@Measurement(iterations = 8, time = 1) +public class ConcurrentAppendOnlyChunkListLookupBenchmark { + + private static final Integer MSG = 0; + + @Param({"1000", "10000"}) + int size; + + @Param({"32"}) + int chunkSize; + + private ConcurrentAppendOnlyChunkedList<Integer> list; + + @Setup + public void init() { + list = new ConcurrentAppendOnlyChunkedList<>(chunkSize); + for (int i = 0; i < size; i++) { + list.add(MSG); + } + } + + @State(Scope.Thread) + public static class Index { + + private int size; + private int index; + + @Setup + public void init(ConcurrentAppendOnlyChunkListLookupBenchmark benchmark) { + index = 0; + size = benchmark.size; + } + + public int next() { + index++; + if (index == size) { + index = 0; + return 0; + } + return index; + } + } + + @Benchmark + public Integer lookup(Index index) { + return list.get(index.next()); + } + +}
