LOG4J2-1417 added Unbox benchmark to compare performance of web-safe ThreadLocals to default configuration
Project: http://git-wip-us.apache.org/repos/asf/logging-log4j2/repo Commit: http://git-wip-us.apache.org/repos/asf/logging-log4j2/commit/cff46e46 Tree: http://git-wip-us.apache.org/repos/asf/logging-log4j2/tree/cff46e46 Diff: http://git-wip-us.apache.org/repos/asf/logging-log4j2/diff/cff46e46 Branch: refs/heads/master Commit: cff46e4621175f38bba88caedd0abcd4e470815e Parents: c930cc2 Author: rpopma <[email protected]> Authored: Sat Jun 11 17:14:42 2016 +0900 Committer: rpopma <[email protected]> Committed: Sat Jun 11 17:14:42 2016 +0900 ---------------------------------------------------------------------- .../logging/log4j/perf/jmh/UnboxBenchmark.java | 91 ++++++++++++++++++++ 1 file changed, 91 insertions(+) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/logging-log4j2/blob/cff46e46/log4j-perf/src/main/java/org/apache/logging/log4j/perf/jmh/UnboxBenchmark.java ---------------------------------------------------------------------- diff --git a/log4j-perf/src/main/java/org/apache/logging/log4j/perf/jmh/UnboxBenchmark.java b/log4j-perf/src/main/java/org/apache/logging/log4j/perf/jmh/UnboxBenchmark.java new file mode 100644 index 0000000..0c1984f --- /dev/null +++ b/log4j-perf/src/main/java/org/apache/logging/log4j/perf/jmh/UnboxBenchmark.java @@ -0,0 +1,91 @@ +/* + * 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.logging.log4j.perf.jmh; + +import java.util.concurrent.TimeUnit; + +import org.apache.logging.log4j.util.Unbox; +import org.openjdk.jmh.annotations.Benchmark; +import org.openjdk.jmh.annotations.BenchmarkMode; +import org.openjdk.jmh.annotations.Mode; +import org.openjdk.jmh.annotations.OutputTimeUnit; +import org.openjdk.jmh.annotations.Scope; +import org.openjdk.jmh.annotations.State; + +/** + * Benchmarks the Unbox class. + */ +// ============================== HOW TO RUN THIS TEST: ==================================== +// +// single thread: +// java -jar log4j-perf/target/benchmarks.jar ".*Unbox.*" -f 1 -wi 10 -i 15 +// +// Default config with multiple threads (for example, 4 threads): +// java -Dlog4j2.enable.threadlocals=true -jar log4j-perf/target/benchmarks.jar ".*Unbox.*" -f 1 -wi 10 -i 15 -t 4 +// +// Web-app safe config with multiple threads (for example, 4 threads): +// java -Dlog4j2.enable.threadlocals=false -jar log4j-perf/target/benchmarks.jar ".*Unbox.*" -f 1 -wi 10 -i 15 -t 4 +// +// Usage help: +// java -jar log4j-perf/target/benchmarks.jar -help +// +@State(Scope.Benchmark) +public class UnboxBenchmark { + + @Benchmark + @BenchmarkMode(Mode.SampleTime) + @OutputTimeUnit(TimeUnit.NANOSECONDS) + public StringBuilder boxBoolean() { + return Unbox.box(true); + } + + @Benchmark + @BenchmarkMode(Mode.SampleTime) + @OutputTimeUnit(TimeUnit.NANOSECONDS) + public StringBuilder boxInt() { + return Unbox.box(12345); + } + + @Benchmark + @BenchmarkMode(Mode.SampleTime) + @OutputTimeUnit(TimeUnit.NANOSECONDS) + public StringBuilder boxLong() { + return Unbox.box(12345L); + } + + @Benchmark + @BenchmarkMode(Mode.SampleTime) + @OutputTimeUnit(TimeUnit.NANOSECONDS) + public StringBuilder boxDouble() { + return Unbox.box(12345.12345); + } + + @Benchmark + @BenchmarkMode(Mode.SampleTime) + @OutputTimeUnit(TimeUnit.NANOSECONDS) + public StringBuilder boxFloat() { + return Unbox.box(12345.12345f); + } + + @Benchmark + @BenchmarkMode(Mode.SampleTime) + @OutputTimeUnit(TimeUnit.NANOSECONDS) + public StringBuilder boxShort() { + return Unbox.box((short) 123); + } +}
