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Add benchmarks for UnpooledUnsafeNoCleanerDirectByteBuf vs UnpooledUnsafeDirectByteBuf

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Motivation:

Issue [#6349] brought up the idea to not use UnpooledUnsafeNoCleanerDirectByteBuf by default. To decide what to do a benchmark is needed.

Modifications:

Add benchmarks for UnpooledUnsafeNoCleanerDirectByteBuf vs UnpooledUnsafeDirectB
yteBuf

Result:

Better idea about impact of using UnpooledUnsafeNoCleanerDirectByteBuf.
This commit is contained in:
Norman Maurer 2017-02-24 13:35:37 +01:00
parent c0cd3db5b1
commit 90a61046c7
4 changed files with 148 additions and 0 deletions
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43
microbench/src/main/java/io/netty/buffer/AbstractByteBufNoCleanerBenchmark.java Normal file
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/*
* Copyright 2017 The Netty Project
*
* The Netty Project 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 io.netty.buffer;
import io.netty.microbench.util.AbstractMicrobenchmark;
import org.openjdk.jmh.annotations.Param;
public abstract class AbstractByteBufNoCleanerBenchmark extends AbstractMicrobenchmark {
public enum ByteBufType {
UNPOOLED_NO_CLEANER {
@Override
ByteBuf newBuffer(int initialCapacity) {
return new UnpooledUnsafeNoCleanerDirectByteBuf(
UnpooledByteBufAllocator.DEFAULT, initialCapacity, Integer.MAX_VALUE);
}
},
UNPOOLED {
@Override
ByteBuf newBuffer(int initialCapacity) {
return new UnpooledUnsafeDirectByteBuf(
UnpooledByteBufAllocator.DEFAULT, initialCapacity, Integer.MAX_VALUE);
}
};
abstract ByteBuf newBuffer(int initialCapacity);
}
@Param
public ByteBufType bufferType;
}

40
microbench/src/main/java/io/netty/buffer/ByteBufNoCleanerAllocReleaseBenchmark.java Normal file
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/*
* Copyright 2017 The Netty Project
*
* The Netty Project 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 io.netty.buffer;
import org.openjdk.jmh.annotations.Benchmark;
import org.openjdk.jmh.annotations.BenchmarkMode;
import org.openjdk.jmh.annotations.Measurement;
import org.openjdk.jmh.annotations.Mode;
import org.openjdk.jmh.annotations.Param;
import org.openjdk.jmh.annotations.Threads;
import org.openjdk.jmh.annotations.Warmup;
@BenchmarkMode(Mode.Throughput)
@Threads(16)
@Warmup(iterations = 5)
@Measurement(iterations = 10)
public class ByteBufNoCleanerAllocReleaseBenchmark extends AbstractByteBufNoCleanerBenchmark {
@Param({ "64", "1024", "8192" })
public int initialCapacity;
@Benchmark
public boolean allocateRelease() {
ByteBuf buffer = bufferType.newBuffer(initialCapacity);
return buffer.release();
}
}

46
microbench/src/main/java/io/netty/buffer/ByteBufNoCleanerChangeCapacityBenchmark.java Normal file
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/*
* Copyright 2017 The Netty Project
*
* The Netty Project 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 io.netty.buffer;
import org.openjdk.jmh.annotations.Benchmark;
import org.openjdk.jmh.annotations.BenchmarkMode;
import org.openjdk.jmh.annotations.Measurement;
import org.openjdk.jmh.annotations.Mode;
import org.openjdk.jmh.annotations.Param;
import org.openjdk.jmh.annotations.Threads;
import org.openjdk.jmh.annotations.Warmup;
@BenchmarkMode(Mode.Throughput)
@Threads(16)
@Warmup(iterations = 5)
@Measurement(iterations = 10)
public class ByteBufNoCleanerChangeCapacityBenchmark extends AbstractByteBufNoCleanerBenchmark {
private static final int MAX_DIRECT_MEMORY_PER_THREAD = 1024 * 1024; // 1 mb per thread.
@Param("1024")
public int initialCapacity;
@Benchmark
public boolean capacityChange() {
ByteBuf buffer = bufferType.newBuffer(initialCapacity);
// Change capacity until we would exceed the 1mb per thread limit
for (int newCapacity = initialCapacity << 1; newCapacity <= MAX_DIRECT_MEMORY_PER_THREAD;
newCapacity += initialCapacity) {
buffer.capacity(newCapacity);
}
return buffer.release();
}
}

19
microbench/src/main/java/io/netty/buffer/package-info.java Normal file
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/*
* Copyright 2017 The Netty Project
*
* The Netty Project 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.
*/
/**
* Benchmarks for {@link io.netty.buffer}.
*/
package io.netty.buffer;