4c1e0f596a
Motivation: We used Recycler for the CodecOutputList which is not optimized for the use-case of access only from the same Thread all the time. Modifications: - Use FastThreadLocal for CodecOutputList - Add benchmark Result: Less overhead in our codecs.
54 lines
1.9 KiB
Java
54 lines
1.9 KiB
Java
/*
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* Copyright 2017 The Netty Project
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*
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* The Netty Project licenses this file to you under the Apache License,
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* version 2.0 (the "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*/
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package io.netty.handler.codec;
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import io.netty.microbench.util.AbstractMicrobenchmark;
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import org.openjdk.jmh.annotations.Benchmark;
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import org.openjdk.jmh.annotations.Param;
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import org.openjdk.jmh.annotations.Scope;
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import org.openjdk.jmh.annotations.State;
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import org.openjdk.jmh.annotations.Threads;
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@State(Scope.Benchmark)
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@Threads(16)
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public class AdvancedCodecOutputListBenchmark extends AbstractMicrobenchmark {
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private static final Object ELEMENT = new Object();
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@Param({ "1", "4" })
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public int elements;
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@Benchmark
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public boolean codecOutListAllocRecycle() {
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return benchmark(elements, CodecOutputList.newInstance(), CodecOutputList.newInstance(),
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CodecOutputList.newInstance(), CodecOutputList.newInstance());
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}
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private static boolean benchmark(int elements, CodecOutputList list1, CodecOutputList list2,
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CodecOutputList list3, CodecOutputList list4) {
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return (benchmark(elements, list1) == benchmark(elements, list2)) ==
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(benchmark(elements, list3) == benchmark(elements, list4));
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}
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private static boolean benchmark(int elements, CodecOutputList list) {
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for (int i = 0; i < elements; ++i) {
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list.add(ELEMENT);
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}
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list.recycle();
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return list.insertSinceRecycled();
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}
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}
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