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Posted to commits@commons.apache.org by er...@apache.org on 2018/02/13 22:27:03 UTC
[06/14] commons-rng git commit: "commons-rng-jmh" moved as sub-module
of "commons-rng-examples".
"commons-rng-jmh" moved as sub-module of "commons-rng-examples".
Project: http://git-wip-us.apache.org/repos/asf/commons-rng/repo
Commit: http://git-wip-us.apache.org/repos/asf/commons-rng/commit/312abc0e
Tree: http://git-wip-us.apache.org/repos/asf/commons-rng/tree/312abc0e
Diff: http://git-wip-us.apache.org/repos/asf/commons-rng/diff/312abc0e
Branch: refs/heads/master
Commit: 312abc0ea3db9a6e16d92799c3329a65baef0dbd
Parents: 2fdb522
Author: Gilles <er...@apache.org>
Authored: Tue Feb 13 20:00:08 2018 +0100
Committer: Gilles <er...@apache.org>
Committed: Tue Feb 13 20:00:08 2018 +0100
----------------------------------------------------------------------
commons-rng-examples/examples-jmh/LICENSE.txt | 275 +++++++++++++++++++
commons-rng-examples/examples-jmh/NOTICE.txt | 5 +
commons-rng-examples/examples-jmh/README.md | 105 +++++++
commons-rng-examples/examples-jmh/pom.xml | 127 +++++++++
.../commons/rng/jmh/GenerationPerformance.java | 194 +++++++++++++
.../distribution/NextGaussianPerformance.java | 68 +++++
.../jmh/distribution/SamplersPerformance.java | 264 ++++++++++++++++++
.../rng/jmh/distribution/package-info.java | 22 ++
.../apache/commons/rng/jmh/package-info.java | 27 ++
commons-rng-jmh/LICENSE.txt | 275 -------------------
commons-rng-jmh/NOTICE.txt | 5 -
commons-rng-jmh/README.md | 105 -------
commons-rng-jmh/pom.xml | 129 ---------
.../commons/rng/jmh/GenerationPerformance.java | 194 -------------
.../distribution/NextGaussianPerformance.java | 68 -----
.../jmh/distribution/SamplersPerformance.java | 264 ------------------
.../rng/jmh/distribution/package-info.java | 22 --
.../apache/commons/rng/jmh/package-info.java | 27 --
18 files changed, 1087 insertions(+), 1089 deletions(-)
----------------------------------------------------------------------
http://git-wip-us.apache.org/repos/asf/commons-rng/blob/312abc0e/commons-rng-examples/examples-jmh/LICENSE.txt
----------------------------------------------------------------------
diff --git a/commons-rng-examples/examples-jmh/LICENSE.txt b/commons-rng-examples/examples-jmh/LICENSE.txt
new file mode 100644
index 0000000..de777e4
--- /dev/null
+++ b/commons-rng-examples/examples-jmh/LICENSE.txt
@@ -0,0 +1,275 @@
+ Apache License
+ Version 2.0, January 2004
+ http://www.apache.org/licenses/
+
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+================================================================================
+
+Class "org.apache.commons.rng.internal.source64.MersenneTwister64" contains
+Java code partly ported from the reference implementation in C.
+That source file contained the following notice:
+
+ Copyright (C) 2004, Makoto Matsumoto and Takuji Nishimura,
+ All rights reserved.
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions
+ are met:
+
+ 1. Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+
+ 3. The names of its contributors may not be used to endorse or promote
+ products derived from this software without specific prior written
+ permission.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+================================================================================
+
+Class "org.apache.commons.rng.internal.source32.MersenneTwister" contains
+Java code partly ported from the reference implementation in C.
+That source file contained the following notice:
+
+ Copyright (C) 1997 - 2002, Makoto Matsumoto and Takuji Nishimura,
+ All rights reserved.
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions
+ are met:
+
+ 1. Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+
+ 3. The names of its contributors may not be used to endorse or promote
+ products derived from this software without specific prior written
+ permission.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+================================================================================
http://git-wip-us.apache.org/repos/asf/commons-rng/blob/312abc0e/commons-rng-examples/examples-jmh/NOTICE.txt
----------------------------------------------------------------------
diff --git a/commons-rng-examples/examples-jmh/NOTICE.txt b/commons-rng-examples/examples-jmh/NOTICE.txt
new file mode 100644
index 0000000..b2eab86
--- /dev/null
+++ b/commons-rng-examples/examples-jmh/NOTICE.txt
@@ -0,0 +1,5 @@
+Apache Commons RNG
+Copyright 2016-2018 The Apache Software Foundation
+
+This product includes software developed at
+The Apache Software Foundation (http://www.apache.org/).
http://git-wip-us.apache.org/repos/asf/commons-rng/blob/312abc0e/commons-rng-examples/examples-jmh/README.md
----------------------------------------------------------------------
diff --git a/commons-rng-examples/examples-jmh/README.md b/commons-rng-examples/examples-jmh/README.md
new file mode 100644
index 0000000..f993421
--- /dev/null
+++ b/commons-rng-examples/examples-jmh/README.md
@@ -0,0 +1,105 @@
+<!---
+ 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.
+-->
+<!---
+ +======================================================================+
+ |**** ****|
+ |**** THIS FILE IS GENERATED BY THE COMMONS BUILD PLUGIN ****|
+ |**** DO NOT EDIT DIRECTLY ****|
+ |**** ****|
+ +======================================================================+
+ | TEMPLATE FILE: readme-md-template.md |
+ | commons-build-plugin/trunk/src/main/resources/commons-xdoc-templates |
+ +======================================================================+
+ | |
+ | 1) Re-generate using: mvn commons:readme-md |
+ | |
+ | 2) Set the following properties in the component's pom: |
+ | - commons.componentid (required, alphabetic, lower case) |
+ | - commons.release.version (required) |
+ | |
+ | 3) Example Properties |
+ | |
+ | <properties> |
+ | <commons.componentid>math</commons.componentid> |
+ | <commons.release.version>1.2</commons.release.version> |
+ | </properties> |
+ | |
+ +======================================================================+
+--->
+Apache Commons RNG JMH
+===================
+
+[](https://travis-ci.org/apache/commons-rng-jmh)
+[](https://coveralls.io/r/apache/commons-rng-jmh)
+[](https://maven-badges.herokuapp.com/maven-central/org.apache.commons/commons-rng-jmh/)
+[](http://www.apache.org/licenses/LICENSE-2.0.html)
+
+Code for running JMH benchmarks that assess the performance of the generators.
+
+Documentation
+-------------
+
+More information can be found on the [Apache Commons RNG JMH homepage](https://commons.apache.org/proper/commons-rng).
+The [JavaDoc](https://commons.apache.org/proper/commons-rng/javadocs/api-release) can be browsed.
+Questions related to the usage of Apache Commons RNG JMH should be posted to the [user mailing list][ml].
+
+Where can I get the latest release?
+-----------------------------------
+You can download source and binaries from our [download page](https://commons.apache.org/proper/commons-rng/download_rng.cgi).
+
+Alternatively you can pull it from the central Maven repositories:
+
+```xml
+<dependency>
+ <groupId>org.apache.commons</groupId>
+ <artifactId>commons-rng-jmh</artifactId>
+ <version>1.0</version>
+</dependency>
+```
+
+Contributing
+------------
+
+We accept Pull Requests via GitHub. The [developer mailing list][ml] is the main channel of communication for contributors.
+There are some guidelines which will make applying PRs easier for us:
++ No tabs! Please use spaces for indentation.
++ Respect the code style.
++ Create minimal diffs - disable on save actions like reformat source code or organize imports. If you feel the source code should be reformatted create a separate PR for this change.
++ Provide JUnit tests for your changes and make sure your changes don't break any existing tests by running ```mvn clean test```.
+
+If you plan to contribute on a regular basis, please consider filing a [contributor license agreement](https://www.apache.org/licenses/#clas).
+You can learn more about contributing via GitHub in our [contribution guidelines](CONTRIBUTING.md).
+
+License
+-------
+This code is under the [Apache Licence v2](https://www.apache.org/licenses/LICENSE-2.0).
+
+See the `NOTICE.txt` file for required notices and attributions.
+
+Donations
+---------
+You like Apache Commons RNG JMH? Then [donate back to the ASF](https://www.apache.org/foundation/contributing.html) to support the development.
+
+Additional Resources
+--------------------
+
++ [Apache Commons Homepage](https://commons.apache.org/)
++ [Apache Issue Tracker (JIRA)](https://issues.apache.org/jira/browse/RNG)
++ [Apache Commons Twitter Account](https://twitter.com/ApacheCommons)
++ `#apache-commons` IRC channel on `irc.freenode.org`
+
+[ml]:https://commons.apache.org/mail-lists.html
http://git-wip-us.apache.org/repos/asf/commons-rng/blob/312abc0e/commons-rng-examples/examples-jmh/pom.xml
----------------------------------------------------------------------
diff --git a/commons-rng-examples/examples-jmh/pom.xml b/commons-rng-examples/examples-jmh/pom.xml
new file mode 100644
index 0000000..5cbab8c
--- /dev/null
+++ b/commons-rng-examples/examples-jmh/pom.xml
@@ -0,0 +1,127 @@
+<?xml version="1.0"?>
+<!--
+ 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.
+-->
+<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"
+ xmlns="http://maven.apache.org/POM/4.0.0"
+ xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+ <modelVersion>4.0.0</modelVersion>
+
+ <parent>
+ <groupId>org.apache.commons</groupId>
+ <artifactId>commons-rng-examples</artifactId>
+ <version>1.1-SNAPSHOT</version>
+ </parent>
+
+ <groupId>org.apache.commons</groupId>
+ <artifactId>examples-jmh</artifactId>
+ <version>1.1-SNAPSHOT</version>
+ <name>Apache Commons RNG JMH</name>
+
+ <description>Code for running JMH benchmarks that assess the performance of the generators.
+ Code in this module is not part of the public API.</description>
+
+ <dependencies>
+ <dependency>
+ <groupId>org.apache.commons</groupId>
+ <artifactId>commons-rng-simple</artifactId>
+ </dependency>
+
+ <dependency>
+ <groupId>org.apache.commons</groupId>
+ <artifactId>commons-rng-sampling</artifactId>
+ </dependency>
+
+ <dependency>
+ <groupId>org.openjdk.jmh</groupId>
+ <artifactId>jmh-core</artifactId>
+ <version>${jmh.version}</version>
+ </dependency>
+
+ <dependency>
+ <groupId>org.openjdk.jmh</groupId>
+ <artifactId>jmh-generator-annprocess</artifactId>
+ <version>${jmh.version}</version>
+ </dependency>
+ </dependencies>
+
+ <properties>
+ <!-- OSGi -->
+ <commons.osgi.symbolicName>org.apache.commons.rng.examples.jmh</commons.osgi.symbolicName>
+ <commons.osgi.export>org.apache.commons.rng.examples.jmh</commons.osgi.export>
+ <!-- Java 9+ -->
+ <commons.automatic.module.name>org.apache.commons.rng.examples.jmh</commons.automatic.module.name>
+ <!-- Workaround to avoid duplicating config files. -->
+ <rng.parent.dir>${basedir}/../..</rng.parent.dir>
+
+ <!-- JMH Benchmark related properties, version, target compiler and name of the benchmarking uber jar. -->
+ <jmh.version>1.13</jmh.version>
+ <uberjar.name>benchmarks</uberjar.name>
+ </properties>
+
+ <profiles>
+ <profile>
+ <id>benchmark</id>
+ <properties>
+ <skipTests>true</skipTests>
+ <benchmark>org.apache</benchmark>
+ </properties>
+
+ <build>
+ <plugins>
+ <plugin>
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-compiler-plugin</artifactId>
+ <version>3.1</version>
+ <configuration>
+ <compilerVersion>${maven.compiler.target}</compilerVersion>
+ <source>${maven.compiler.target}</source>
+ <target>${maven.compiler.target}</target>
+ </configuration>
+ </plugin>
+ <plugin>
+ <groupId>org.codehaus.mojo</groupId>
+ <artifactId>exec-maven-plugin</artifactId>
+ <executions>
+ <execution>
+ <id>benchmark</id>
+ <phase>test</phase>
+ <goals>
+ <goal>exec</goal>
+ </goals>
+ <configuration>
+ <classpathScope>test</classpathScope>
+ <executable>java</executable>
+ <arguments>
+ <argument>-classpath</argument>
+ <classpath/>
+ <argument>org.openjdk.jmh.Main</argument>
+ <argument>-rf</argument>
+ <argument>json</argument>
+ <argument>-rff</argument>
+ <argument>target/jmh-result.${benchmark}.json</argument>
+ <argument>${benchmark}</argument>
+ </arguments>
+ </configuration>
+ </execution>
+ </executions>
+ </plugin>
+ </plugins>
+ </build>
+ </profile>
+ </profiles>
+
+</project>
http://git-wip-us.apache.org/repos/asf/commons-rng/blob/312abc0e/commons-rng-examples/examples-jmh/src/main/java/org/apache/commons/rng/jmh/GenerationPerformance.java
----------------------------------------------------------------------
diff --git a/commons-rng-examples/examples-jmh/src/main/java/org/apache/commons/rng/jmh/GenerationPerformance.java b/commons-rng-examples/examples-jmh/src/main/java/org/apache/commons/rng/jmh/GenerationPerformance.java
new file mode 100644
index 0000000..c22cf7c
--- /dev/null
+++ b/commons-rng-examples/examples-jmh/src/main/java/org/apache/commons/rng/jmh/GenerationPerformance.java
@@ -0,0 +1,194 @@
+/*
+ * 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.commons.rng.examples.jmh;
+
+import org.openjdk.jmh.annotations.Benchmark;
+import org.openjdk.jmh.annotations.BenchmarkMode;
+import org.openjdk.jmh.annotations.Mode;
+import org.openjdk.jmh.annotations.Warmup;
+import org.openjdk.jmh.annotations.Measurement;
+import org.openjdk.jmh.annotations.State;
+import org.openjdk.jmh.annotations.Fork;
+import org.openjdk.jmh.annotations.Scope;
+import org.openjdk.jmh.annotations.Param;
+import org.openjdk.jmh.annotations.Setup;
+import org.openjdk.jmh.annotations.OutputTimeUnit;
+import org.openjdk.jmh.infra.Blackhole;
+import java.util.concurrent.TimeUnit;
+
+import org.apache.commons.rng.UniformRandomProvider;
+import org.apache.commons.rng.simple.RandomSource;
+
+/**
+ * Executes benchmark to compare the speed of generation of random numbers
+ * from the various source providers.
+ */
+@BenchmarkMode(Mode.AverageTime)
+@OutputTimeUnit(TimeUnit.MICROSECONDS)
+@Warmup(iterations = 5, time = 1, timeUnit = TimeUnit.SECONDS)
+@Measurement(iterations = 5, time = 1, timeUnit = TimeUnit.SECONDS)
+@State(Scope.Benchmark)
+@Fork(value = 1, jvmArgs = {"-server", "-Xms128M", "-Xmx128M"})
+public class GenerationPerformance {
+ /**
+ * The benchmark state (retrieve the various "RandomSource"s).
+ */
+ @State(Scope.Benchmark)
+ public static class Sources {
+ /**
+ * RNG providers.
+ */
+ @Param({"JDK",
+ "WELL_512_A",
+ "WELL_1024_A",
+ "WELL_19937_A",
+ "WELL_19937_C",
+ "WELL_44497_A",
+ "WELL_44497_B",
+ "MT",
+ "ISAAC",
+ "SPLIT_MIX_64",
+ "MWC_256",
+ "KISS",
+ "XOR_SHIFT_1024_S",
+ "TWO_CMRES",
+ "MT_64" })
+ private String randomSourceName;
+
+ /** RNG. */
+ private UniformRandomProvider provider;
+
+ /**
+ * @return the RNG.
+ */
+ public UniformRandomProvider getGenerator() {
+ return provider;
+ }
+
+ /** Intantiates generator. */
+ @Setup
+ public void setup() {
+ final RandomSource randomSource = RandomSource.valueOf(randomSourceName);
+ provider = RandomSource.create(randomSource);
+ }
+ }
+
+ /**
+ * Number of random values to generate.
+ */
+ @Param({"1", "100", "10000", "1000000"})
+ private int numValues;
+
+ /**
+ * @param sources Source of randomness.
+ * @param bh Data sink.
+ */
+ @Benchmark
+ public void nextBoolean(Sources sources,
+ Blackhole bh) {
+ for (int i = 0; i < numValues; i++) {
+ bh.consume(sources.getGenerator().nextBoolean());
+ }
+ }
+
+ /**
+ * @param sources Source of randomness.
+ * @param bh Data sink.
+ */
+ @Benchmark
+ public void nextInt(Sources sources,
+ Blackhole bh) {
+ for (int i = 0; i < numValues; i++) {
+ bh.consume(sources.getGenerator().nextInt());
+ }
+ }
+
+ /**
+ * @param sources Source of randomness.
+ * @param bh Data sink.
+ */
+ @Benchmark
+ public void nextIntN(Sources sources,
+ Blackhole bh) {
+ final int n = 10;
+ for (int i = 0; i < numValues; i++) {
+ bh.consume(sources.getGenerator().nextInt(n));
+ }
+ }
+
+ /**
+ * @param sources Source of randomness.
+ * @param bh Data sink.
+ */
+ @Benchmark
+ public void nextLong(Sources sources,
+ Blackhole bh) {
+ for (int i = 0; i < numValues; i++) {
+ bh.consume(sources.getGenerator().nextLong());
+ }
+ }
+
+ /**
+ * @param sources Source of randomness.
+ * @param bh Data sink.
+ */
+ @Benchmark
+ public void nextLongN(Sources sources,
+ Blackhole bh) {
+ final long n = 2L * Integer.MAX_VALUE;
+ for (int i = 0; i < numValues; i++) {
+ bh.consume(sources.getGenerator().nextLong(n));
+ }
+ }
+
+ /**
+ * @param sources Source of randomness.
+ * @param bh Data sink.
+ */
+ @Benchmark
+ public void nextFloat(Sources sources,
+ Blackhole bh) {
+ for (int i = 0; i < numValues; i++) {
+ bh.consume(sources.getGenerator().nextFloat());
+ }
+ }
+
+ /**
+ * @param sources Source of randomness.
+ * @param bh Data sink.
+ */
+ @Benchmark
+ public void nextDouble(Sources sources,
+ Blackhole bh) {
+ for (int i = 0; i < numValues; i++) {
+ bh.consume(sources.getGenerator().nextDouble());
+ }
+ }
+
+ /**
+ * @param sources Source of randomness.
+ * @param bh Data sink.
+ */
+ @Benchmark
+ public void nextBytes(Sources sources,
+ Blackhole bh) {
+ final byte[] result = new byte[numValues];
+ sources.getGenerator().nextBytes(result);
+ bh.consume(result);
+ }
+}
http://git-wip-us.apache.org/repos/asf/commons-rng/blob/312abc0e/commons-rng-examples/examples-jmh/src/main/java/org/apache/commons/rng/jmh/distribution/NextGaussianPerformance.java
----------------------------------------------------------------------
diff --git a/commons-rng-examples/examples-jmh/src/main/java/org/apache/commons/rng/jmh/distribution/NextGaussianPerformance.java b/commons-rng-examples/examples-jmh/src/main/java/org/apache/commons/rng/jmh/distribution/NextGaussianPerformance.java
new file mode 100644
index 0000000..2b65432
--- /dev/null
+++ b/commons-rng-examples/examples-jmh/src/main/java/org/apache/commons/rng/jmh/distribution/NextGaussianPerformance.java
@@ -0,0 +1,68 @@
+/*
+ * 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.commons.rng.examples.jmh.distribution;
+
+import org.openjdk.jmh.annotations.Benchmark;
+import org.openjdk.jmh.annotations.BenchmarkMode;
+import org.openjdk.jmh.annotations.Mode;
+import org.openjdk.jmh.annotations.Warmup;
+import org.openjdk.jmh.annotations.Measurement;
+import org.openjdk.jmh.annotations.State;
+import org.openjdk.jmh.annotations.Fork;
+import org.openjdk.jmh.annotations.Scope;
+import org.openjdk.jmh.annotations.OutputTimeUnit;
+import org.openjdk.jmh.infra.Blackhole;
+import java.util.concurrent.TimeUnit;
+import java.util.Random;
+
+/**
+ * Benchmark for {@link Random#nextGaussian()} in order to compare
+ * the speed of generation of normally-distributed random numbers.
+ */
+@BenchmarkMode(Mode.AverageTime)
+@OutputTimeUnit(TimeUnit.MICROSECONDS)
+@Warmup(iterations = 5, time = 1, timeUnit = TimeUnit.SECONDS)
+@Measurement(iterations = 5, time = 1, timeUnit = TimeUnit.SECONDS)
+@State(Scope.Benchmark)
+@Fork(value = 1, jvmArgs = {"-server", "-Xms128M", "-Xmx128M"})
+public class NextGaussianPerformance {
+ /** Number of samples per run. */
+ private static final int NUM_SAMPLES = 10000000;
+ /** JDK's generator. */
+ private final Random random = new Random();
+ /**
+ * Exercises the JDK's Gaussian sampler.
+ *
+ * @param bh Data sink.
+ */
+ private void runSample(Blackhole bh) {
+ for (int i = 0; i < NUM_SAMPLES; i++) {
+ bh.consume(random.nextGaussian());
+ }
+ }
+
+ // Benchmarks methods below.
+
+ /**
+ * @param bh Data sink.
+ */
+ @Benchmark
+ public void runJDKRandomGaussianSampler(Blackhole bh) {
+ runSample(bh);
+ }
+}
http://git-wip-us.apache.org/repos/asf/commons-rng/blob/312abc0e/commons-rng-examples/examples-jmh/src/main/java/org/apache/commons/rng/jmh/distribution/SamplersPerformance.java
----------------------------------------------------------------------
diff --git a/commons-rng-examples/examples-jmh/src/main/java/org/apache/commons/rng/jmh/distribution/SamplersPerformance.java b/commons-rng-examples/examples-jmh/src/main/java/org/apache/commons/rng/jmh/distribution/SamplersPerformance.java
new file mode 100644
index 0000000..963d8bd
--- /dev/null
+++ b/commons-rng-examples/examples-jmh/src/main/java/org/apache/commons/rng/jmh/distribution/SamplersPerformance.java
@@ -0,0 +1,264 @@
+/*
+ * 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.commons.rng.examples.jmh.distribution;
+
+import org.openjdk.jmh.annotations.Benchmark;
+import org.openjdk.jmh.annotations.BenchmarkMode;
+import org.openjdk.jmh.annotations.Mode;
+import org.openjdk.jmh.annotations.Warmup;
+import org.openjdk.jmh.annotations.Measurement;
+import org.openjdk.jmh.annotations.State;
+import org.openjdk.jmh.annotations.Fork;
+import org.openjdk.jmh.annotations.Scope;
+import org.openjdk.jmh.annotations.Param;
+import org.openjdk.jmh.annotations.Setup;
+import org.openjdk.jmh.annotations.OutputTimeUnit;
+import org.openjdk.jmh.infra.Blackhole;
+import java.util.concurrent.TimeUnit;
+
+import org.apache.commons.rng.UniformRandomProvider;
+import org.apache.commons.rng.simple.RandomSource;
+import org.apache.commons.rng.sampling.distribution.ContinuousSampler;
+import org.apache.commons.rng.sampling.distribution.DiscreteSampler;
+import org.apache.commons.rng.sampling.distribution.BoxMullerNormalizedGaussianSampler;
+import org.apache.commons.rng.sampling.distribution.MarsagliaNormalizedGaussianSampler;
+import org.apache.commons.rng.sampling.distribution.ZigguratNormalizedGaussianSampler;
+import org.apache.commons.rng.sampling.distribution.AhrensDieterExponentialSampler;
+import org.apache.commons.rng.sampling.distribution.AhrensDieterMarsagliaTsangGammaSampler;
+import org.apache.commons.rng.sampling.distribution.LogNormalSampler;
+import org.apache.commons.rng.sampling.distribution.ChengBetaSampler;
+import org.apache.commons.rng.sampling.distribution.ContinuousUniformSampler;
+import org.apache.commons.rng.sampling.distribution.DiscreteUniformSampler;
+import org.apache.commons.rng.sampling.distribution.RejectionInversionZipfSampler;
+import org.apache.commons.rng.sampling.distribution.PoissonSampler;
+
+/**
+ * Executes benchmark to compare the speed of generation of random numbers
+ * from the various source providers.
+ */
+@BenchmarkMode(Mode.AverageTime)
+@OutputTimeUnit(TimeUnit.MICROSECONDS)
+@Warmup(iterations = 5, time = 1, timeUnit = TimeUnit.SECONDS)
+@Measurement(iterations = 5, time = 1, timeUnit = TimeUnit.SECONDS)
+@State(Scope.Benchmark)
+@Fork(value = 1, jvmArgs = {"-server", "-Xms128M", "-Xmx128M"})
+public class SamplersPerformance {
+ /** Number of samples per run. */
+ private static final int NUM_SAMPLES = 10000000;
+
+ /**
+ * The benchmark state (retrieve the various "RandomSource"s).
+ */
+ @State(Scope.Benchmark)
+ public static class Sources {
+ /**
+ * RNG providers.
+ */
+ @Param({"JDK",
+ "WELL_512_A",
+ "WELL_1024_A",
+ "WELL_19937_A",
+ "WELL_19937_C",
+ "WELL_44497_A",
+ "WELL_44497_B",
+ "MT",
+ "ISAAC",
+ "SPLIT_MIX_64",
+ "MWC_256",
+ "KISS",
+ "XOR_SHIFT_1024_S",
+ "TWO_CMRES",
+ "MT_64" })
+ private String randomSourceName;
+
+ /** RNG. */
+ private UniformRandomProvider generator;
+
+ /**
+ * @return the RNG.
+ */
+ public UniformRandomProvider getGenerator() {
+ return generator;
+ }
+
+ /** Intantiates generator. */
+ @Setup
+ public void setup() {
+ final RandomSource randomSource = RandomSource.valueOf(randomSourceName);
+ generator = RandomSource.create(randomSource);
+ }
+ }
+
+ /**
+ * Exercises a continuous sampler.
+ *
+ * @param sampler Sampler.
+ * @param bh Data sink.
+ */
+ private void runSample(ContinuousSampler sampler,
+ Blackhole bh) {
+ for (int i = 0; i < NUM_SAMPLES; i++) {
+ bh.consume(sampler.sample());
+ }
+ }
+
+ /**
+ * Exercises a discrete sampler.
+ *
+ * @param sampler Sampler.
+ * @param bh Data sink.
+ */
+ private void runSample(DiscreteSampler sampler,
+ Blackhole bh) {
+ for (int i = 0; i < NUM_SAMPLES; i++) {
+ bh.consume(sampler.sample());
+ }
+ }
+
+ // Benchmarks methods below.
+
+ /**
+ * @param sources Source of randomness.
+ * @param bh Data sink.
+ */
+ @Benchmark
+ public void runBoxMullerNormalizedGaussianSampler(Sources sources,
+ Blackhole bh) {
+ runSample(new BoxMullerNormalizedGaussianSampler(sources.getGenerator()), bh);
+ }
+
+ /**
+ * @param sources Source of randomness.
+ * @param bh Data sink.
+ */
+ @Benchmark
+ public void runMarsagliaNormalizedGaussianSampler(Sources sources,
+ Blackhole bh) {
+ runSample(new MarsagliaNormalizedGaussianSampler(sources.getGenerator()), bh);
+ }
+
+ /**
+ * @param sources Source of randomness.
+ * @param bh Data sink.
+ */
+ @Benchmark
+ public void runZigguratNormalizedGaussianSampler(Sources sources,
+ Blackhole bh) {
+ runSample(new ZigguratNormalizedGaussianSampler(sources.getGenerator()), bh);
+ }
+
+ /**
+ * @param sources Source of randomness.
+ * @param bh Data sink.
+ */
+ @Benchmark
+ public void runAhrensDieterExponentialSampler(Sources sources,
+ Blackhole bh) {
+ runSample(new AhrensDieterExponentialSampler(sources.getGenerator(), 4.56), bh);
+ }
+
+ /**
+ * @param sources Source of randomness.
+ * @param bh Data sink.
+ */
+ @Benchmark
+ public void runAhrensDieterMarsagliaTsangGammaSampler(Sources sources,
+ Blackhole bh) {
+ runSample(new AhrensDieterMarsagliaTsangGammaSampler(sources.getGenerator(), 9.8, 0.76), bh);
+ }
+
+ /**
+ * @param sources Source of randomness.
+ * @param bh Data sink.
+ */
+ @Benchmark
+ public void runBoxMullerLogNormalSampler(Sources sources,
+ Blackhole bh) {
+ runSample(new LogNormalSampler(new BoxMullerNormalizedGaussianSampler(sources.getGenerator()), 12.3, 4.6), bh);
+ }
+
+ /**
+ * @param sources Source of randomness.
+ * @param bh Data sink.
+ */
+ @Benchmark
+ public void runMarsagliaLogNormalSampler(Sources sources,
+ Blackhole bh) {
+ runSample(new LogNormalSampler(new MarsagliaNormalizedGaussianSampler(sources.getGenerator()), 12.3, 4.6), bh);
+ }
+
+ /**
+ * @param sources Source of randomness.
+ * @param bh Data sink.
+ */
+ @Benchmark
+ public void runZigguratLogNormalSampler(Sources sources,
+ Blackhole bh) {
+ runSample(new LogNormalSampler(new ZigguratNormalizedGaussianSampler(sources.getGenerator()), 12.3, 4.6), bh);
+ }
+
+ /**
+ * @param sources Source of randomness.
+ * @param bh Data sink.
+ */
+ @Benchmark
+ public void runChengBetaSampler(Sources sources,
+ Blackhole bh) {
+ runSample(new ChengBetaSampler(sources.getGenerator(), 0.45, 6.7), bh);
+ }
+
+ /**
+ * @param sources Source of randomness.
+ * @param bh Data sink.
+ */
+ @Benchmark
+ public void runContinuousUniformSampler(Sources sources,
+ Blackhole bh) {
+ runSample(new ContinuousUniformSampler(sources.getGenerator(), 123.4, 5678.9), bh);
+ }
+
+ /**
+ * @param sources Source of randomness.
+ * @param bh Data sink.
+ */
+ @Benchmark
+ public void runDiscreteUniformSampler(Sources sources,
+ Blackhole bh) {
+ runSample(new DiscreteUniformSampler(sources.getGenerator(), -98, 76), bh);
+ }
+
+ /**
+ * @param sources Source of randomness.
+ * @param bh Data sink.
+ */
+ @Benchmark
+ public void runRejectionInversionZipfSampler(Sources sources,
+ Blackhole bh) {
+ runSample(new RejectionInversionZipfSampler(sources.getGenerator(), 43, 2.1), bh);
+ }
+
+ /**
+ * @param sources Source of randomness.
+ * @param bh Data sink.
+ */
+ @Benchmark
+ public void runPoissonSampler(Sources sources,
+ Blackhole bh) {
+ runSample(new PoissonSampler(sources.getGenerator(), 8.9), bh);
+ }
+}
http://git-wip-us.apache.org/repos/asf/commons-rng/blob/312abc0e/commons-rng-examples/examples-jmh/src/main/java/org/apache/commons/rng/jmh/distribution/package-info.java
----------------------------------------------------------------------
diff --git a/commons-rng-examples/examples-jmh/src/main/java/org/apache/commons/rng/jmh/distribution/package-info.java b/commons-rng-examples/examples-jmh/src/main/java/org/apache/commons/rng/jmh/distribution/package-info.java
new file mode 100644
index 0000000..517063d
--- /dev/null
+++ b/commons-rng-examples/examples-jmh/src/main/java/org/apache/commons/rng/jmh/distribution/package-info.java
@@ -0,0 +1,22 @@
+/*
+ * 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.
+ */
+
+/**
+ * Benchmarks for samplers.
+ */
+
+package org.apache.commons.rng.examples.jmh.distribution;
http://git-wip-us.apache.org/repos/asf/commons-rng/blob/312abc0e/commons-rng-examples/examples-jmh/src/main/java/org/apache/commons/rng/jmh/package-info.java
----------------------------------------------------------------------
diff --git a/commons-rng-examples/examples-jmh/src/main/java/org/apache/commons/rng/jmh/package-info.java b/commons-rng-examples/examples-jmh/src/main/java/org/apache/commons/rng/jmh/package-info.java
new file mode 100644
index 0000000..f6a9ab7
--- /dev/null
+++ b/commons-rng-examples/examples-jmh/src/main/java/org/apache/commons/rng/jmh/package-info.java
@@ -0,0 +1,27 @@
+/*
+ * 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.
+ */
+
+/**
+ * <h3>Performance benchmarks</h3>
+ *
+ * <p>
+ * This package contains code to perform a
+ * <a href="http://openjdk.java.net/projects/code-tools/jmh">JMH</a> run.
+ * </p>
+ */
+
+package org.apache.commons.rng.examples.jmh;
http://git-wip-us.apache.org/repos/asf/commons-rng/blob/312abc0e/commons-rng-jmh/LICENSE.txt
----------------------------------------------------------------------
diff --git a/commons-rng-jmh/LICENSE.txt b/commons-rng-jmh/LICENSE.txt
deleted file mode 100644
index de777e4..0000000
--- a/commons-rng-jmh/LICENSE.txt
+++ /dev/null
@@ -1,275 +0,0 @@
- Apache License
- Version 2.0, January 2004
- http://www.apache.org/licenses/
-
- TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
-
- 1. Definitions.
-
- "License" shall mean the terms and conditions for use, reproduction,
- and distribution as defined by Sections 1 through 9 of this document.
-
- "Licensor" shall mean the copyright owner or entity authorized by
- the copyright owner that is granting the License.
-
- "Legal Entity" shall mean the union of the acting entity and all
- other entities that control, are controlled by, or are under common
- control with that entity. For the purposes of this definition,
- "control" means (i) the power, direct or indirect, to cause the
- direction or management of such entity, whether by contract or
- otherwise, or (ii) ownership of fifty percent (50%) or more of the
- outstanding shares, or (iii) beneficial ownership of such entity.
-
- "You" (or "Your") shall mean an individual or Legal Entity
- exercising permissions granted by this License.
-
- "Source" form shall mean the preferred form for making modifications,
- including but not limited to software source code, documentation
- source, and configuration files.
-
- "Object" form shall mean any form resulting from mechanical
- transformation or translation of a Source form, including but
- not limited to compiled object code, generated documentation,
- and conversions to other media types.
-
- "Work" shall mean the work of authorship, whether in Source or
- Object form, made available under the License, as indicated by a
- copyright notice that is included in or attached to the work
- (an example is provided in the Appendix below).
-
- "Derivative Works" shall mean any work, whether in Source or Object
- form, that is based on (or derived from) the Work and for which the
- editorial revisions, annotations, elaborations, or other modifications
- represent, as a whole, an original work of authorship. For the purposes
- of this License, Derivative Works shall not include works that remain
- separable from, or merely link (or bind by name) to the interfaces of,
- the Work and Derivative Works thereof.
-
- "Contribution" shall mean any work of authorship, including
- the original version of the Work and any modifications or additions
- to that Work or Derivative Works thereof, that is intentionally
- submitted to Licensor for inclusion in the Work by the copyright owner
- or by an individual or Legal Entity authorized to submit on behalf of
- the copyright owner. For the purposes of this definition, "submitted"
- means any form of electronic, verbal, or written communication sent
- to the Licensor or its representatives, including but not limited to
- communication on electronic mailing lists, source code control systems,
- and issue tracking systems that are managed by, or on behalf of, the
- Licensor for the purpose of discussing and improving the Work, but
- excluding communication that is conspicuously marked or otherwise
- designated in writing by the copyright owner as "Not a Contribution."
-
- "Contributor" shall mean Licensor and any individual or Legal Entity
- on behalf of whom a Contribution has been received by Licensor and
- subsequently incorporated within the Work.
-
- 2. Grant of Copyright License. Subject to the terms and conditions of
- this License, each Contributor hereby grants to You a perpetual,
- worldwide, non-exclusive, no-charge, royalty-free, irrevocable
- copyright license to reproduce, prepare Derivative Works of,
- publicly display, publicly perform, sublicense, and distribute the
- Work and such Derivative Works in Source or Object form.
-
- 3. Grant of Patent License. Subject to the terms and conditions of
- this License, each Contributor hereby grants to You a perpetual,
- worldwide, non-exclusive, no-charge, royalty-free, irrevocable
- (except as stated in this section) patent license to make, have made,
- use, offer to sell, sell, import, and otherwise transfer the Work,
- where such license applies only to those patent claims licensable
- by such Contributor that are necessarily infringed by their
- Contribution(s) alone or by combination of their Contribution(s)
- with the Work to which such Contribution(s) was submitted. If You
- institute patent litigation against any entity (including a
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- or a Contribution incorporated within the Work constitutes direct
- or contributory patent infringement, then any patent licenses
- granted to You under this License for that Work shall terminate
- as of the date such litigation is filed.
-
- 4. Redistribution. You may reproduce and distribute copies of the
- Work or Derivative Works thereof in any medium, with or without
- modifications, and in Source or Object form, provided that You
- meet the following conditions:
-
- (a) You must give any other recipients of the Work or
- Derivative Works a copy of this License; and
-
- (b) You must cause any modified files to carry prominent notices
- stating that You changed the files; and
-
- (c) You must retain, in the Source form of any Derivative Works
- that You distribute, all copyright, patent, trademark, and
- attribution notices from the Source form of the Work,
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- the Derivative Works; and
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- of the NOTICE file are for informational purposes only and
- do not modify the License. You may add Your own attribution
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- or as an addendum to the NOTICE text from the Work, provided
- that such additional attribution notices cannot be construed
- as modifying the License.
-
- You may add Your own copyright statement to Your modifications and
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- for use, reproduction, or distribution of Your modifications, or
- for any such Derivative Works as a whole, provided Your use,
- reproduction, and distribution of the Work otherwise complies with
- the conditions stated in this License.
-
- 5. Submission of Contributions. Unless You explicitly state otherwise,
- any Contribution intentionally submitted for inclusion in the Work
- by You to the Licensor shall be under the terms and conditions of
- this License, without any additional terms or conditions.
- Notwithstanding the above, nothing herein shall supersede or modify
- the terms of any separate license agreement you may have executed
- with Licensor regarding such Contributions.
-
- 6. Trademarks. This License does not grant permission to use the trade
- names, trademarks, service marks, or product names of the Licensor,
- except as required for reasonable and customary use in describing the
- origin of the Work and reproducing the content of the NOTICE file.
-
- 7. Disclaimer of Warranty. Unless required by applicable law or
- agreed to in writing, Licensor provides the Work (and each
- Contributor provides its Contributions) on an "AS IS" BASIS,
- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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- of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
- PARTICULAR PURPOSE. You are solely responsible for determining the
- appropriateness of using or redistributing the Work and assume any
- risks associated with Your exercise of permissions under this License.
-
- 8. Limitation of Liability. In no event and under no legal theory,
- whether in tort (including negligence), contract, or otherwise,
- unless required by applicable law (such as deliberate and grossly
- negligent acts) or agreed to in writing, shall any Contributor be
- liable to You for damages, including any direct, indirect, special,
- incidental, or consequential damages of any character arising as a
- result of this License or out of the use or inability to use the
- Work (including but not limited to damages for loss of goodwill,
- work stoppage, computer failure or malfunction, or any and all
- other commercial damages or losses), even if such Contributor
- has been advised of the possibility of such damages.
-
- 9. Accepting Warranty or Additional Liability. While redistributing
- the Work or Derivative Works thereof, You may choose to offer,
- and charge a fee for, acceptance of support, warranty, indemnity,
- or other liability obligations and/or rights consistent with this
- License. However, in accepting such obligations, You may act only
- on Your own behalf and on Your sole responsibility, not on behalf
- of any other Contributor, and only if You agree to indemnify,
- defend, and hold each Contributor harmless for any liability
- incurred by, or claims asserted against, such Contributor by reason
- of your accepting any such warranty or additional liability.
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- END OF TERMS AND CONDITIONS
-
- APPENDIX: How to apply the Apache License to your work.
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- To apply the Apache License to your work, attach the following
- boilerplate notice, with the fields enclosed by brackets "[]"
- replaced with your own identifying information. (Don't include
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- comment syntax for the file format. We also recommend that a
- file or class name and description of purpose be included on the
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- Copyright [yyyy] [name of copyright owner]
-
- Licensed 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.
-
-================================================================================
-
-Class "org.apache.commons.rng.internal.source64.MersenneTwister64" contains
-Java code partly ported from the reference implementation in C.
-That source file contained the following notice:
-
- Copyright (C) 2004, Makoto Matsumoto and Takuji Nishimura,
- All rights reserved.
-
- Redistribution and use in source and binary forms, with or without
- modification, are permitted provided that the following conditions
- are met:
-
- 1. Redistributions of source code must retain the above copyright
- notice, this list of conditions and the following disclaimer.
-
- 2. Redistributions in binary form must reproduce the above copyright
- notice, this list of conditions and the following disclaimer in the
- documentation and/or other materials provided with the distribution.
-
- 3. The names of its contributors may not be used to endorse or promote
- products derived from this software without specific prior written
- permission.
-
- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
- CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-================================================================================
-
-Class "org.apache.commons.rng.internal.source32.MersenneTwister" contains
-Java code partly ported from the reference implementation in C.
-That source file contained the following notice:
-
- Copyright (C) 1997 - 2002, Makoto Matsumoto and Takuji Nishimura,
- All rights reserved.
-
- Redistribution and use in source and binary forms, with or without
- modification, are permitted provided that the following conditions
- are met:
-
- 1. Redistributions of source code must retain the above copyright
- notice, this list of conditions and the following disclaimer.
-
- 2. Redistributions in binary form must reproduce the above copyright
- notice, this list of conditions and the following disclaimer in the
- documentation and/or other materials provided with the distribution.
-
- 3. The names of its contributors may not be used to endorse or promote
- products derived from this software without specific prior written
- permission.
-
- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
- CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-================================================================================
http://git-wip-us.apache.org/repos/asf/commons-rng/blob/312abc0e/commons-rng-jmh/NOTICE.txt
----------------------------------------------------------------------
diff --git a/commons-rng-jmh/NOTICE.txt b/commons-rng-jmh/NOTICE.txt
deleted file mode 100644
index b2eab86..0000000
--- a/commons-rng-jmh/NOTICE.txt
+++ /dev/null
@@ -1,5 +0,0 @@
-Apache Commons RNG
-Copyright 2016-2018 The Apache Software Foundation
-
-This product includes software developed at
-The Apache Software Foundation (http://www.apache.org/).
http://git-wip-us.apache.org/repos/asf/commons-rng/blob/312abc0e/commons-rng-jmh/README.md
----------------------------------------------------------------------
diff --git a/commons-rng-jmh/README.md b/commons-rng-jmh/README.md
deleted file mode 100644
index f993421..0000000
--- a/commons-rng-jmh/README.md
+++ /dev/null
@@ -1,105 +0,0 @@
-<!---
- 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.
--->
-<!---
- +======================================================================+
- |**** ****|
- |**** THIS FILE IS GENERATED BY THE COMMONS BUILD PLUGIN ****|
- |**** DO NOT EDIT DIRECTLY ****|
- |**** ****|
- +======================================================================+
- | TEMPLATE FILE: readme-md-template.md |
- | commons-build-plugin/trunk/src/main/resources/commons-xdoc-templates |
- +======================================================================+
- | |
- | 1) Re-generate using: mvn commons:readme-md |
- | |
- | 2) Set the following properties in the component's pom: |
- | - commons.componentid (required, alphabetic, lower case) |
- | - commons.release.version (required) |
- | |
- | 3) Example Properties |
- | |
- | <properties> |
- | <commons.componentid>math</commons.componentid> |
- | <commons.release.version>1.2</commons.release.version> |
- | </properties> |
- | |
- +======================================================================+
---->
-Apache Commons RNG JMH
-===================
-
-[](https://travis-ci.org/apache/commons-rng-jmh)
-[](https://coveralls.io/r/apache/commons-rng-jmh)
-[](https://maven-badges.herokuapp.com/maven-central/org.apache.commons/commons-rng-jmh/)
-[](http://www.apache.org/licenses/LICENSE-2.0.html)
-
-Code for running JMH benchmarks that assess the performance of the generators.
-
-Documentation
--------------
-
-More information can be found on the [Apache Commons RNG JMH homepage](https://commons.apache.org/proper/commons-rng).
-The [JavaDoc](https://commons.apache.org/proper/commons-rng/javadocs/api-release) can be browsed.
-Questions related to the usage of Apache Commons RNG JMH should be posted to the [user mailing list][ml].
-
-Where can I get the latest release?
------------------------------------
-You can download source and binaries from our [download page](https://commons.apache.org/proper/commons-rng/download_rng.cgi).
-
-Alternatively you can pull it from the central Maven repositories:
-
-```xml
-<dependency>
- <groupId>org.apache.commons</groupId>
- <artifactId>commons-rng-jmh</artifactId>
- <version>1.0</version>
-</dependency>
-```
-
-Contributing
-------------
-
-We accept Pull Requests via GitHub. The [developer mailing list][ml] is the main channel of communication for contributors.
-There are some guidelines which will make applying PRs easier for us:
-+ No tabs! Please use spaces for indentation.
-+ Respect the code style.
-+ Create minimal diffs - disable on save actions like reformat source code or organize imports. If you feel the source code should be reformatted create a separate PR for this change.
-+ Provide JUnit tests for your changes and make sure your changes don't break any existing tests by running ```mvn clean test```.
-
-If you plan to contribute on a regular basis, please consider filing a [contributor license agreement](https://www.apache.org/licenses/#clas).
-You can learn more about contributing via GitHub in our [contribution guidelines](CONTRIBUTING.md).
-
-License
--------
-This code is under the [Apache Licence v2](https://www.apache.org/licenses/LICENSE-2.0).
-
-See the `NOTICE.txt` file for required notices and attributions.
-
-Donations
----------
-You like Apache Commons RNG JMH? Then [donate back to the ASF](https://www.apache.org/foundation/contributing.html) to support the development.
-
-Additional Resources
---------------------
-
-+ [Apache Commons Homepage](https://commons.apache.org/)
-+ [Apache Issue Tracker (JIRA)](https://issues.apache.org/jira/browse/RNG)
-+ [Apache Commons Twitter Account](https://twitter.com/ApacheCommons)
-+ `#apache-commons` IRC channel on `irc.freenode.org`
-
-[ml]:https://commons.apache.org/mail-lists.html
http://git-wip-us.apache.org/repos/asf/commons-rng/blob/312abc0e/commons-rng-jmh/pom.xml
----------------------------------------------------------------------
diff --git a/commons-rng-jmh/pom.xml b/commons-rng-jmh/pom.xml
deleted file mode 100644
index b02354a..0000000
--- a/commons-rng-jmh/pom.xml
+++ /dev/null
@@ -1,129 +0,0 @@
-<?xml version="1.0"?>
-<!--
- 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.
--->
-<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"
- xmlns="http://maven.apache.org/POM/4.0.0"
- xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
- <modelVersion>4.0.0</modelVersion>
-
- <parent>
- <groupId>org.apache.commons</groupId>
- <artifactId>commons-rng-parent</artifactId>
- <version>1.1-SNAPSHOT</version>
- </parent>
-
- <groupId>org.apache.commons</groupId>
- <artifactId>commons-rng-jmh</artifactId>
- <version>1.1-SNAPSHOT</version>
- <name>Apache Commons RNG JMH</name>
-
- <description>Code for running JMH benchmarks that assess the performance of the generators.
- Code in this module is not part of the public API.</description>
-
- <dependencies>
- <dependency>
- <groupId>org.apache.commons</groupId>
- <artifactId>commons-rng-simple</artifactId>
- <version>1.1-SNAPSHOT</version>
- </dependency>
-
- <dependency>
- <groupId>org.apache.commons</groupId>
- <artifactId>commons-rng-sampling</artifactId>
- <version>1.1-SNAPSHOT</version>
- </dependency>
-
- <dependency>
- <groupId>org.openjdk.jmh</groupId>
- <artifactId>jmh-core</artifactId>
- <version>${jmh.version}</version>
- </dependency>
-
- <dependency>
- <groupId>org.openjdk.jmh</groupId>
- <artifactId>jmh-generator-annprocess</artifactId>
- <version>${jmh.version}</version>
- </dependency>
- </dependencies>
-
- <properties>
- <!-- OSGi -->
- <commons.osgi.symbolicName>org.apache.commons.rng.jmh</commons.osgi.symbolicName>
- <commons.osgi.export>org.apache.commons.rng.jmh</commons.osgi.export>
- <!-- Java 9+ -->
- <commons.automatic.module.name>org.apache.commons.rng.jmh</commons.automatic.module.name>
- <!-- Workaround to avoid duplicating config files. -->
- <rng.parent.dir>${basedir}/..</rng.parent.dir>
-
- <!-- JMH Benchmark related properties, version, target compiler and name of the benchmarking uber jar. -->
- <jmh.version>1.13</jmh.version>
- <uberjar.name>benchmarks</uberjar.name>
- </properties>
-
- <profiles>
- <profile>
- <id>benchmark</id>
- <properties>
- <skipTests>true</skipTests>
- <benchmark>org.apache</benchmark>
- </properties>
-
- <build>
- <plugins>
- <plugin>
- <groupId>org.apache.maven.plugins</groupId>
- <artifactId>maven-compiler-plugin</artifactId>
- <version>3.1</version>
- <configuration>
- <compilerVersion>${maven.compiler.target}</compilerVersion>
- <source>${maven.compiler.target}</source>
- <target>${maven.compiler.target}</target>
- </configuration>
- </plugin>
- <plugin>
- <groupId>org.codehaus.mojo</groupId>
- <artifactId>exec-maven-plugin</artifactId>
- <executions>
- <execution>
- <id>benchmark</id>
- <phase>test</phase>
- <goals>
- <goal>exec</goal>
- </goals>
- <configuration>
- <classpathScope>test</classpathScope>
- <executable>java</executable>
- <arguments>
- <argument>-classpath</argument>
- <classpath/>
- <argument>org.openjdk.jmh.Main</argument>
- <argument>-rf</argument>
- <argument>json</argument>
- <argument>-rff</argument>
- <argument>target/jmh-result.${benchmark}.json</argument>
- <argument>${benchmark}</argument>
- </arguments>
- </configuration>
- </execution>
- </executions>
- </plugin>
- </plugins>
- </build>
- </profile>
- </profiles>
-
-</project>
http://git-wip-us.apache.org/repos/asf/commons-rng/blob/312abc0e/commons-rng-jmh/src/main/java/org/apache/commons/rng/jmh/GenerationPerformance.java
----------------------------------------------------------------------
diff --git a/commons-rng-jmh/src/main/java/org/apache/commons/rng/jmh/GenerationPerformance.java b/commons-rng-jmh/src/main/java/org/apache/commons/rng/jmh/GenerationPerformance.java
deleted file mode 100644
index b1b663b..0000000
--- a/commons-rng-jmh/src/main/java/org/apache/commons/rng/jmh/GenerationPerformance.java
+++ /dev/null
@@ -1,194 +0,0 @@
-/*
- * 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.commons.rng.jmh;
-
-import org.openjdk.jmh.annotations.Benchmark;
-import org.openjdk.jmh.annotations.BenchmarkMode;
-import org.openjdk.jmh.annotations.Mode;
-import org.openjdk.jmh.annotations.Warmup;
-import org.openjdk.jmh.annotations.Measurement;
-import org.openjdk.jmh.annotations.State;
-import org.openjdk.jmh.annotations.Fork;
-import org.openjdk.jmh.annotations.Scope;
-import org.openjdk.jmh.annotations.Param;
-import org.openjdk.jmh.annotations.Setup;
-import org.openjdk.jmh.annotations.OutputTimeUnit;
-import org.openjdk.jmh.infra.Blackhole;
-import java.util.concurrent.TimeUnit;
-
-import org.apache.commons.rng.UniformRandomProvider;
-import org.apache.commons.rng.simple.RandomSource;
-
-/**
- * Executes benchmark to compare the speed of generation of random numbers
- * from the various source providers.
- */
-@BenchmarkMode(Mode.AverageTime)
-@OutputTimeUnit(TimeUnit.MICROSECONDS)
-@Warmup(iterations = 5, time = 1, timeUnit = TimeUnit.SECONDS)
-@Measurement(iterations = 5, time = 1, timeUnit = TimeUnit.SECONDS)
-@State(Scope.Benchmark)
-@Fork(value = 1, jvmArgs = {"-server", "-Xms128M", "-Xmx128M"})
-public class GenerationPerformance {
- /**
- * The benchmark state (retrieve the various "RandomSource"s).
- */
- @State(Scope.Benchmark)
- public static class Sources {
- /**
- * RNG providers.
- */
- @Param({"JDK",
- "WELL_512_A",
- "WELL_1024_A",
- "WELL_19937_A",
- "WELL_19937_C",
- "WELL_44497_A",
- "WELL_44497_B",
- "MT",
- "ISAAC",
- "SPLIT_MIX_64",
- "MWC_256",
- "KISS",
- "XOR_SHIFT_1024_S",
- "TWO_CMRES",
- "MT_64" })
- private String randomSourceName;
-
- /** RNG. */
- private UniformRandomProvider provider;
-
- /**
- * @return the RNG.
- */
- public UniformRandomProvider getGenerator() {
- return provider;
- }
-
- /** Intantiates generator. */
- @Setup
- public void setup() {
- final RandomSource randomSource = RandomSource.valueOf(randomSourceName);
- provider = RandomSource.create(randomSource);
- }
- }
-
- /**
- * Number of random values to generate.
- */
- @Param({"1", "100", "10000", "1000000"})
- private int numValues;
-
- /**
- * @param sources Source of randomness.
- * @param bh Data sink.
- */
- @Benchmark
- public void nextBoolean(Sources sources,
- Blackhole bh) {
- for (int i = 0; i < numValues; i++) {
- bh.consume(sources.getGenerator().nextBoolean());
- }
- }
-
- /**
- * @param sources Source of randomness.
- * @param bh Data sink.
- */
- @Benchmark
- public void nextInt(Sources sources,
- Blackhole bh) {
- for (int i = 0; i < numValues; i++) {
- bh.consume(sources.getGenerator().nextInt());
- }
- }
-
- /**
- * @param sources Source of randomness.
- * @param bh Data sink.
- */
- @Benchmark
- public void nextIntN(Sources sources,
- Blackhole bh) {
- final int n = 10;
- for (int i = 0; i < numValues; i++) {
- bh.consume(sources.getGenerator().nextInt(n));
- }
- }
-
- /**
- * @param sources Source of randomness.
- * @param bh Data sink.
- */
- @Benchmark
- public void nextLong(Sources sources,
- Blackhole bh) {
- for (int i = 0; i < numValues; i++) {
- bh.consume(sources.getGenerator().nextLong());
- }
- }
-
- /**
- * @param sources Source of randomness.
- * @param bh Data sink.
- */
- @Benchmark
- public void nextLongN(Sources sources,
- Blackhole bh) {
- final long n = 2L * Integer.MAX_VALUE;
- for (int i = 0; i < numValues; i++) {
- bh.consume(sources.getGenerator().nextLong(n));
- }
- }
-
- /**
- * @param sources Source of randomness.
- * @param bh Data sink.
- */
- @Benchmark
- public void nextFloat(Sources sources,
- Blackhole bh) {
- for (int i = 0; i < numValues; i++) {
- bh.consume(sources.getGenerator().nextFloat());
- }
- }
-
- /**
- * @param sources Source of randomness.
- * @param bh Data sink.
- */
- @Benchmark
- public void nextDouble(Sources sources,
- Blackhole bh) {
- for (int i = 0; i < numValues; i++) {
- bh.consume(sources.getGenerator().nextDouble());
- }
- }
-
- /**
- * @param sources Source of randomness.
- * @param bh Data sink.
- */
- @Benchmark
- public void nextBytes(Sources sources,
- Blackhole bh) {
- final byte[] result = new byte[numValues];
- sources.getGenerator().nextBytes(result);
- bh.consume(result);
- }
-}
http://git-wip-us.apache.org/repos/asf/commons-rng/blob/312abc0e/commons-rng-jmh/src/main/java/org/apache/commons/rng/jmh/distribution/NextGaussianPerformance.java
----------------------------------------------------------------------
diff --git a/commons-rng-jmh/src/main/java/org/apache/commons/rng/jmh/distribution/NextGaussianPerformance.java b/commons-rng-jmh/src/main/java/org/apache/commons/rng/jmh/distribution/NextGaussianPerformance.java
deleted file mode 100644
index 018ded8..0000000
--- a/commons-rng-jmh/src/main/java/org/apache/commons/rng/jmh/distribution/NextGaussianPerformance.java
+++ /dev/null
@@ -1,68 +0,0 @@
-/*
- * 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.commons.rng.jmh.distribution;
-
-import org.openjdk.jmh.annotations.Benchmark;
-import org.openjdk.jmh.annotations.BenchmarkMode;
-import org.openjdk.jmh.annotations.Mode;
-import org.openjdk.jmh.annotations.Warmup;
-import org.openjdk.jmh.annotations.Measurement;
-import org.openjdk.jmh.annotations.State;
-import org.openjdk.jmh.annotations.Fork;
-import org.openjdk.jmh.annotations.Scope;
-import org.openjdk.jmh.annotations.OutputTimeUnit;
-import org.openjdk.jmh.infra.Blackhole;
-import java.util.concurrent.TimeUnit;
-import java.util.Random;
-
-/**
- * Benchmark for {@link Random#nextGaussian()} in order to compare
- * the speed of generation of normally-distributed random numbers.
- */
-@BenchmarkMode(Mode.AverageTime)
-@OutputTimeUnit(TimeUnit.MICROSECONDS)
-@Warmup(iterations = 5, time = 1, timeUnit = TimeUnit.SECONDS)
-@Measurement(iterations = 5, time = 1, timeUnit = TimeUnit.SECONDS)
-@State(Scope.Benchmark)
-@Fork(value = 1, jvmArgs = {"-server", "-Xms128M", "-Xmx128M"})
-public class NextGaussianPerformance {
- /** Number of samples per run. */
- private static final int NUM_SAMPLES = 10000000;
- /** JDK's generator. */
- private final Random random = new Random();
- /**
- * Exercises the JDK's Gaussian sampler.
- *
- * @param bh Data sink.
- */
- private void runSample(Blackhole bh) {
- for (int i = 0; i < NUM_SAMPLES; i++) {
- bh.consume(random.nextGaussian());
- }
- }
-
- // Benchmarks methods below.
-
- /**
- * @param bh Data sink.
- */
- @Benchmark
- public void runJDKRandomGaussianSampler(Blackhole bh) {
- runSample(bh);
- }
-}