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From er...@apache.org
Subject [05/14] commons-rng git commit: "commons-rng-jmh" moved as sub-module of "commons-rng-examples".
Date Tue, 13 Feb 2018 22:27:02 GMT
http://git-wip-us.apache.org/repos/asf/commons-rng/blob/312abc0e/commons-rng-jmh/src/main/java/org/apache/commons/rng/jmh/distribution/SamplersPerformance.java
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diff --git a/commons-rng-jmh/src/main/java/org/apache/commons/rng/jmh/distribution/SamplersPerformance.java
b/commons-rng-jmh/src/main/java/org/apache/commons/rng/jmh/distribution/SamplersPerformance.java
deleted file mode 100644
index b438b57..0000000
--- a/commons-rng-jmh/src/main/java/org/apache/commons/rng/jmh/distribution/SamplersPerformance.java
+++ /dev/null
@@ -1,264 +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.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-jmh/src/main/java/org/apache/commons/rng/jmh/distribution/package-info.java
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diff --git a/commons-rng-jmh/src/main/java/org/apache/commons/rng/jmh/distribution/package-info.java
b/commons-rng-jmh/src/main/java/org/apache/commons/rng/jmh/distribution/package-info.java
deleted file mode 100644
index ab7f0f6..0000000
--- a/commons-rng-jmh/src/main/java/org/apache/commons/rng/jmh/distribution/package-info.java
+++ /dev/null
@@ -1,22 +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.
- */
-
-/**
- * Benchmarks for samplers.
- */
-
-package org.apache.commons.rng.jmh.distribution;

http://git-wip-us.apache.org/repos/asf/commons-rng/blob/312abc0e/commons-rng-jmh/src/main/java/org/apache/commons/rng/jmh/package-info.java
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diff --git a/commons-rng-jmh/src/main/java/org/apache/commons/rng/jmh/package-info.java b/commons-rng-jmh/src/main/java/org/apache/commons/rng/jmh/package-info.java
deleted file mode 100644
index 7421808..0000000
--- a/commons-rng-jmh/src/main/java/org/apache/commons/rng/jmh/package-info.java
+++ /dev/null
@@ -1,27 +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.
- */
-
-/**
- * <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.jmh;


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