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Posted to commits@logging.apache.org by rp...@apache.org on 2016/11/26 02:32:50 UTC
logging-log4j2 git commit: LOG4J2-1718 benchmark comparing marker
interface to annotation
Repository: logging-log4j2
Updated Branches:
refs/heads/master 3ee7d6923 -> df9ce7081
LOG4J2-1718 benchmark comparing marker interface to annotation
Project: http://git-wip-us.apache.org/repos/asf/logging-log4j2/repo
Commit: http://git-wip-us.apache.org/repos/asf/logging-log4j2/commit/df9ce708
Tree: http://git-wip-us.apache.org/repos/asf/logging-log4j2/tree/df9ce708
Diff: http://git-wip-us.apache.org/repos/asf/logging-log4j2/diff/df9ce708
Branch: refs/heads/master
Commit: df9ce7081893e440feac525874434585c34696aa
Parents: 3ee7d69
Author: rpopma <rp...@apache.org>
Authored: Sat Nov 26 11:32:48 2016 +0900
Committer: rpopma <rp...@apache.org>
Committed: Sat Nov 26 11:32:48 2016 +0900
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.../perf/jmh/AnnotationVsMarkerInterface.java | 85 ++++++++++++++++++++
1 file changed, 85 insertions(+)
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http://git-wip-us.apache.org/repos/asf/logging-log4j2/blob/df9ce708/log4j-perf/src/main/java/org/apache/logging/log4j/perf/jmh/AnnotationVsMarkerInterface.java
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diff --git a/log4j-perf/src/main/java/org/apache/logging/log4j/perf/jmh/AnnotationVsMarkerInterface.java b/log4j-perf/src/main/java/org/apache/logging/log4j/perf/jmh/AnnotationVsMarkerInterface.java
new file mode 100644
index 0000000..eae2c48
--- /dev/null
+++ b/log4j-perf/src/main/java/org/apache/logging/log4j/perf/jmh/AnnotationVsMarkerInterface.java
@@ -0,0 +1,85 @@
+/*
+ * 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.PerformanceSensitive;
+import org.apache.logging.log4j.util.SortedArrayStringMap;
+import org.apache.logging.log4j.util.StringBuilderFormattable;
+import org.apache.logging.log4j.util.StringMap;
+import org.openjdk.jmh.annotations.Benchmark;
+import org.openjdk.jmh.annotations.BenchmarkMode;
+import org.openjdk.jmh.annotations.Fork;
+import org.openjdk.jmh.annotations.Measurement;
+import org.openjdk.jmh.annotations.Mode;
+import org.openjdk.jmh.annotations.OutputTimeUnit;
+import org.openjdk.jmh.annotations.Scope;
+import org.openjdk.jmh.annotations.State;
+import org.openjdk.jmh.annotations.Warmup;
+
+/**
+ * Tests performance of marker interface vs annotation.
+ */
+// ============================== HOW TO RUN THIS TEST: ====================================
+//
+// single thread:
+// java -jar log4j-perf/target/benchmarks.jar ".*AnnotationVsMarkerInterface.*" -wi 5 -i 5
+//
+// multiple threads (for example, 4 threads):
+// java -jar log4j-perf/target/benchmarks.jar ".*AnnotationVsMarkerInterface.*" -wi 5 -i 5 -t 4 -si true
+//
+// Usage help:
+// java -jar log4j-perf/target/benchmarks.jar -help
+//
+@OutputTimeUnit(TimeUnit.NANOSECONDS)
+@Warmup(iterations = 5, time = 1, timeUnit = TimeUnit.SECONDS)
+@Measurement(iterations = 10, time = 1, timeUnit = TimeUnit.SECONDS)
+@Fork(1)
+@State(Scope.Benchmark)
+public class AnnotationVsMarkerInterface {
+ private final SortedArrayStringMap map = new SortedArrayStringMap();
+
+ @Benchmark
+ @BenchmarkMode({Mode.Throughput, Mode.AverageTime, Mode.SampleTime, Mode.SingleShotTime})
+ @OutputTimeUnit(TimeUnit.NANOSECONDS)
+ public Object annotationMissing() {
+ return map.getClass().isAnnotationPresent(PerformanceSensitive.class);
+ }
+
+ @Benchmark
+ @BenchmarkMode({Mode.Throughput, Mode.AverageTime, Mode.SampleTime, Mode.SingleShotTime})
+ @OutputTimeUnit(TimeUnit.NANOSECONDS)
+ public Object annotationPresent() {
+ return this.getClass().isAnnotationPresent(State.class);
+ }
+
+ @Benchmark
+ @BenchmarkMode({Mode.Throughput, Mode.AverageTime, Mode.SampleTime, Mode.SingleShotTime})
+ @OutputTimeUnit(TimeUnit.NANOSECONDS)
+ public boolean interfaceNotImpl() {
+ return map instanceof StringBuilderFormattable;
+ }
+
+ @Benchmark
+ @BenchmarkMode({Mode.Throughput, Mode.AverageTime, Mode.SampleTime, Mode.SingleShotTime})
+ @OutputTimeUnit(TimeUnit.NANOSECONDS)
+ public boolean interfaceImplemented() {
+ return map instanceof StringMap;
+ }
+}