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authorElliott Hughes <enh@google.com>2010-02-19 22:17:32 -0800
committerElliott Hughes <enh@google.com>2010-02-19 22:17:32 -0800
commit4e4e85e4fd35927205c08ca6626f33fd0490270a (patch)
tree4b825dc642cb6eb9a060e54bf8d69288fbee4904 /src
parentf062bf49c71013ec19cb71218778299535aceaa8 (diff)
downloadcaliper-4e4e85e4fd35927205c08ca6626f33fd0490270a.tar.gz
Remove external/caliper.
Diffstat (limited to 'src')
-rw-r--r--src/CaliperCore.gwt.xml8
-rw-r--r--src/com/google/caliper/Arguments.java156
-rw-r--r--src/com/google/caliper/Benchmark.java32
-rw-r--r--src/com/google/caliper/Caliper.java113
-rw-r--r--src/com/google/caliper/ConfigurationException.java33
-rw-r--r--src/com/google/caliper/ConsoleReport.java270
-rw-r--r--src/com/google/caliper/InProcessRunner.java71
-rw-r--r--src/com/google/caliper/Param.java36
-rw-r--r--src/com/google/caliper/Parameter.java182
-rw-r--r--src/com/google/caliper/Run.java92
-rw-r--r--src/com/google/caliper/Runner.java224
-rw-r--r--src/com/google/caliper/Scenario.java81
-rw-r--r--src/com/google/caliper/ScenarioSelection.java208
-rw-r--r--src/com/google/caliper/SimpleBenchmark.java167
-rw-r--r--src/com/google/caliper/TimedRunnable.java29
-rw-r--r--src/com/google/caliper/TypeConverter.java59
-rw-r--r--src/com/google/caliper/UserException.java141
-rw-r--r--src/com/google/caliper/Xml.java108
-rw-r--r--src/examples/ArraySortBenchmark.java102
-rw-r--r--src/examples/BoxedDoubleToStringBenchmark.java81
-rw-r--r--src/examples/CharacterBenchmark.java300
-rw-r--r--src/examples/EnumSetContainsBenchmark.java92
-rw-r--r--src/examples/ExpensiveObjectsBenchmark.java74
-rw-r--r--src/examples/FormatterBenchmark.java76
-rw-r--r--src/examples/IntModBenchmark.java94
-rw-r--r--src/examples/ListIterationBenchmark.java73
-rw-r--r--src/examples/LoopingBackwardsBenchmark.java54
-rw-r--r--src/examples/PrimitiveDoubleToStringBenchmark.java79
-rw-r--r--src/examples/SetContainsBenchmark.java171
-rw-r--r--src/examples/StringBuilderBenchmark.java133
-rw-r--r--src/scripts/caliper8
-rw-r--r--src/test/BrokenNoOpBenchmark.java34
-rw-r--r--src/test/BrokenSleepBenchmark.java38
-rw-r--r--src/test/ErrorsInUserCodeTest.java146
-rw-r--r--src/test/RunXmlTest.java51
-rw-r--r--src/test/SystemOutAndErrBenchmark.java37
-rw-r--r--src/test/ThreadSleepBenchmark.java38
-rw-r--r--src/test/TracingBenchmark.java63
-rw-r--r--src/tutorial/Tutorial.java189
39 files changed, 0 insertions, 3943 deletions
diff --git a/src/CaliperCore.gwt.xml b/src/CaliperCore.gwt.xml
deleted file mode 100644
index 161ac57..0000000
--- a/src/CaliperCore.gwt.xml
+++ /dev/null
@@ -1,8 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<module>
- <inherits name='com.google.gwt.user.User'/>
- <source path="com/google/caliper">
- <include name="**/Run.java"/>
- <include name="**/Scenario.java"/>
- </source>
-</module> \ No newline at end of file
diff --git a/src/com/google/caliper/Arguments.java b/src/com/google/caliper/Arguments.java
deleted file mode 100644
index e5ff0f7..0000000
--- a/src/com/google/caliper/Arguments.java
+++ /dev/null
@@ -1,156 +0,0 @@
-/*
- * Copyright (C) 2010 Google Inc.
- *
- * 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.
- */
-
-package com.google.caliper;
-
-import com.google.caliper.UserException.DisplayUsageException;
-import com.google.caliper.UserException.MalformedParameterException;
-import com.google.caliper.UserException.MultipleBenchmarkClassesException;
-import com.google.caliper.UserException.NoBenchmarkClassException;
-import com.google.caliper.UserException.UnrecognizedOptionException;
-import com.google.common.collect.Iterators;
-import com.google.common.collect.LinkedHashMultimap;
-import com.google.common.collect.Multimap;
-import java.util.Iterator;
-import java.util.LinkedHashSet;
-import java.util.Set;
-
-/**
- * Parse command line arguments for the runner and in-process runner.
- */
-public final class Arguments {
- private String suiteClassName;
-
- /** JVMs to run in the benchmark */
- private final Set<String> userVms = new LinkedHashSet<String>();
-
- /**
- * Parameter values specified by the user on the command line. Parameters with
- * no value in this multimap will get their values from the benchmark suite.
- */
- private final Multimap<String, String> userParameters = LinkedHashMultimap.create();
-
- private long warmupMillis = 5000;
- private long runMillis = 5000;
-
- /** The URL to post benchmark results to. */
- private String postHost = "http://microbenchmarks.appspot.com/run/";
-
- public String getSuiteClassName() {
- return suiteClassName;
- }
-
- public Set<String> getUserVms() {
- return userVms;
- }
-
- public Multimap<String, String> getUserParameters() {
- return userParameters;
- }
-
- public long getWarmupMillis() {
- return warmupMillis;
- }
-
- public long getRunMillis() {
- return runMillis;
- }
-
- public String getPostHost() {
- return postHost;
- }
-
- public static Arguments parse(String[] argsArray) {
- Arguments result = new Arguments();
-
- Iterator<String> args = Iterators.forArray(argsArray);
- while (args.hasNext()) {
- String arg = args.next();
-
- if ("--help".equals(arg)) {
- throw new DisplayUsageException();
- }
-
- if ("--postHost".equals(arg)) {
- result.postHost = args.next();
-
- } else if (arg.startsWith("-D")) {
- int equalsSign = arg.indexOf('=');
- if (equalsSign == -1) {
- throw new MalformedParameterException(arg);
- }
- String name = arg.substring(2, equalsSign);
- String value = arg.substring(equalsSign + 1);
- result.userParameters.put(name, value);
-
- } else if ("--warmupMillis".equals(arg)) {
- result.warmupMillis = Long.parseLong(args.next());
-
- } else if ("--runMillis".equals(arg)) {
- result.runMillis = Long.parseLong(args.next());
-
- } else if ("--vm".equals(arg)) {
- result.userVms.add(args.next());
-
- } else if (arg.startsWith("-")) {
- throw new UnrecognizedOptionException(arg);
-
- } else {
- if (result.suiteClassName != null) {
- throw new MultipleBenchmarkClassesException(result.suiteClassName, arg);
- }
- result.suiteClassName = arg;
- }
- }
-
- if (result.suiteClassName == null) {
- throw new NoBenchmarkClassException();
- }
-
- return result;
- }
-
- public static void printUsage() {
- Arguments defaults = new Arguments();
-
- System.out.println();
- System.out.println("Usage: Runner [OPTIONS...] <benchmark>");
- System.out.println();
- System.out.println(" <benchmark>: a benchmark class or suite");
- System.out.println();
- System.out.println("OPTIONS");
- System.out.println();
- System.out.println(" -D<param>=<value>: fix a benchmark parameter to a given value.");
- System.out.println(" When multiple values for the same parameter are given (via");
- System.out.println(" multiple --Dx=y args), all supplied values are used.");
- System.out.println();
- System.out.println(" --inProcess: run the benchmark in the same JVM rather than spawning");
- System.out.println(" another with the same classpath. By default each benchmark is");
- System.out.println(" run in a separate VM");
- System.out.println();
- System.out.println(" --postHost <host>: the URL to post benchmark results to, or \"none\"");
- System.out.println(" to skip posting results to the web.");
- System.out.println(" default value: " + defaults.postHost);
- System.out.println();
- System.out.println(" --warmupMillis <millis>: duration to warmup each benchmark");
- System.out.println();
- System.out.println(" --runMillis <millis>: duration to execute each benchmark");
- System.out.println();
- System.out.println(" --vm <vm>: executable to test benchmark on");
-
- // adding new options? don't forget to update executeForked()
- }
-}
diff --git a/src/com/google/caliper/Benchmark.java b/src/com/google/caliper/Benchmark.java
deleted file mode 100644
index b5d35f9..0000000
--- a/src/com/google/caliper/Benchmark.java
+++ /dev/null
@@ -1,32 +0,0 @@
-/*
- * Copyright (C) 2009 Google Inc.
- *
- * 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.
- */
-
-package com.google.caliper;
-
-import java.util.Map;
-import java.util.Set;
-
-/**
- * A collection of benchmarks that share a set of configuration parameters.
- */
-public interface Benchmark {
-
- Set<String> parameterNames();
-
- Set<String> parameterValues(String parameterName);
-
- TimedRunnable createBenchmark(Map<String, String> parameterValues);
-} \ No newline at end of file
diff --git a/src/com/google/caliper/Caliper.java b/src/com/google/caliper/Caliper.java
deleted file mode 100644
index 6c9d625..0000000
--- a/src/com/google/caliper/Caliper.java
+++ /dev/null
@@ -1,113 +0,0 @@
-/**
- * Copyright (C) 2009 Google Inc.
- *
- * 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.
- */
-
-package com.google.caliper;
-
-import static com.google.common.base.Preconditions.checkArgument;
-
-/**
- * Measure's the benchmark's per-trial execution time.
- */
-class Caliper {
-
- private final long warmupNanos;
- private final long runNanos;
-
- Caliper(long warmupMillis, long runMillis) {
- checkArgument(warmupMillis > 50);
- checkArgument(runMillis > 50);
-
- this.warmupNanos = warmupMillis * 1000000;
- this.runNanos = runMillis * 1000000;
- }
-
- public double warmUp(TimedRunnable timedRunnable) throws Exception {
- long startNanos = System.nanoTime();
- long endNanos = startNanos + warmupNanos;
- long currentNanos;
- int netReps = 0;
- int reps = 1;
-
- /*
- * Run progressively more reps at a time until we cross our warmup
- * threshold. This way any just-in-time compiler will be comfortable running
- * multiple iterations of our measurement method.
- */
- while ((currentNanos = System.nanoTime()) < endNanos) {
- timedRunnable.run(reps);
- netReps += reps;
- reps *= 2;
- }
-
- double nanosPerExecution = (currentNanos - startNanos) / (double) netReps;
- if (nanosPerExecution > 1000000000 || nanosPerExecution < 2) {
- throw new ConfigurationException("Runtime " + nanosPerExecution + " out of range");
- }
- return nanosPerExecution;
- }
-
- /**
- * In the run proper, we predict how extrapolate based on warmup how many
- * runs we're going to need, and run them all in a single batch.
- */
- public double run(TimedRunnable test, double estimatedNanosPerTrial)
- throws Exception {
- @SuppressWarnings("NumericCastThatLosesPrecision")
- int trials = (int) (runNanos / estimatedNanosPerTrial);
- if (trials == 0) {
- trials = 1;
- }
-
- double nanosPerTrial = measure(test, trials);
-
- // if the runtime was in the expected range, return it. We're good.
- if (isPlausible(estimatedNanosPerTrial, nanosPerTrial)) {
- return nanosPerTrial;
- }
-
- // The runtime was outside of the expected range. Perhaps the VM is inlining
- // things too aggressively? We'll run more rounds to confirm that the
- // runtime scales with the number of trials.
- double nanosPerTrial2 = measure(test, trials * 4);
- if (isPlausible(nanosPerTrial, nanosPerTrial2)) {
- return nanosPerTrial;
- }
-
- throw new ConfigurationException("Measurement error: "
- + "runtime isn't proportional to the number of repetitions!");
- }
-
- /**
- * Returns true if the given measurement is consistent with the expected
- * measurement.
- */
- private boolean isPlausible(double expected, double measurement) {
- double ratio = measurement / expected;
- return ratio > 0.5 && ratio < 2.0;
- }
-
- private double measure(TimedRunnable test, int trials) throws Exception {
- prepareForTest();
- long startNanos = System.nanoTime();
- test.run(trials);
- return (System.nanoTime() - startNanos) / (double) trials;
- }
-
- private void prepareForTest() {
- System.gc();
- System.gc();
- }
-} \ No newline at end of file
diff --git a/src/com/google/caliper/ConfigurationException.java b/src/com/google/caliper/ConfigurationException.java
deleted file mode 100644
index c4a35ec..0000000
--- a/src/com/google/caliper/ConfigurationException.java
+++ /dev/null
@@ -1,33 +0,0 @@
-/*
- * Copyright (C) 2009 Google Inc.
- *
- * 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.
- */
-
-package com.google.caliper;
-
-/**
- * Thrown upon occurrence of a configuration error.
- */
-final class ConfigurationException extends RuntimeException {
-
- ConfigurationException(String s) {
- super(s);
- }
-
- ConfigurationException(Throwable cause) {
- super(cause);
- }
-
- private static final long serialVersionUID = 0;
-}
diff --git a/src/com/google/caliper/ConsoleReport.java b/src/com/google/caliper/ConsoleReport.java
deleted file mode 100644
index e59ceb6..0000000
--- a/src/com/google/caliper/ConsoleReport.java
+++ /dev/null
@@ -1,270 +0,0 @@
-/**
- * Copyright (C) 2009 Google Inc.
- *
- * 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.
- */
-
-package com.google.caliper;
-
-import com.google.common.collect.ImmutableList;
-import com.google.common.collect.Iterables;
-import com.google.common.collect.LinkedHashMultimap;
-import com.google.common.collect.Multimap;
-import com.google.common.collect.Ordering;
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.List;
-import java.util.Map;
-
-/**
- * Prints a report containing the tested values and the corresponding
- * measurements. Measurements are grouped by variable using indentation.
- * Alongside numeric values, quick-glance ascii art bar charts are printed.
- * Sample output:
- * <pre>
- * benchmark d ns logarithmic runtime
- * ConcatenationBenchmark 3.141592653589793 4397 ||||||||||||||||||||||||
- * ConcatenationBenchmark -0.0 223 |||||||||||||||
- * FormatterBenchmark 3.141592653589793 33999 ||||||||||||||||||||||||||||||
- * FormatterBenchmark -0.0 26399 |||||||||||||||||||||||||||||
- * </pre>
- */
-final class ConsoleReport {
-
- private static final int bargraphWidth = 30;
-
- private final List<Variable> variables;
- private final Run run;
- private final List<Scenario> scenarios;
-
- private final double maxValue;
- private final double logMaxValue;
- private final int decimalDigits;
- private final double divideBy;
- private final String units;
- private final int measurementColumnLength;
-
- ConsoleReport(Run run) {
- this.run = run;
-
- double min = Double.POSITIVE_INFINITY;
- double max = 0;
-
- Multimap<String, String> nameToValues = LinkedHashMultimap.create();
- List<Variable> variablesBuilder = new ArrayList<Variable>();
- for (Map.Entry<Scenario, Double> entry : run.getMeasurements().entrySet()) {
- Scenario scenario = entry.getKey();
- double d = entry.getValue();
-
- min = Math.min(min, d);
- max = Math.max(max, d);
-
- for (Map.Entry<String, String> variable : scenario.getVariables().entrySet()) {
- String name = variable.getKey();
- nameToValues.put(name, variable.getValue());
- }
- }
-
- for (Map.Entry<String, Collection<String>> entry : nameToValues.asMap().entrySet()) {
- Variable variable = new Variable(entry.getKey(), entry.getValue());
- variablesBuilder.add(variable);
- }
-
- /*
- * Figure out how much influence each variable has on the measured value.
- * We sum the measurements taken with each value of each variable. For
- * variable that have influence on the measurement, the sums will differ
- * by value. If the variable has little influence, the sums will be similar
- * to one another and close to the overall average. We take the standard
- * deviation across each variable's collection of sums. Higher standard
- * deviation implies higher influence on the measured result.
- */
- double sumOfAllMeasurements = 0;
- for (double measurement : run.getMeasurements().values()) {
- sumOfAllMeasurements += measurement;
- }
- for (Variable variable : variablesBuilder) {
- int numValues = variable.values.size();
- double[] sumForValue = new double[numValues];
- for (Map.Entry<Scenario, Double> entry : run.getMeasurements().entrySet()) {
- Scenario scenario = entry.getKey();
- sumForValue[variable.index(scenario)] += entry.getValue();
- }
- double mean = sumOfAllMeasurements / sumForValue.length;
- double stdDeviationSquared = 0;
- for (double value : sumForValue) {
- double distance = value - mean;
- stdDeviationSquared += distance * distance;
- }
- variable.stdDeviation = Math.sqrt(stdDeviationSquared / numValues);
- }
-
- this.variables = new StandardDeviationOrdering().reverse().sortedCopy(variablesBuilder);
- this.scenarios = new ByVariablesOrdering().sortedCopy(run.getMeasurements().keySet());
- this.maxValue = max;
- this.logMaxValue = Math.log(max);
-
- int numDigitsInMin = ceil(Math.log10(min));
- if (numDigitsInMin > 9) {
- divideBy = 1000000000;
- decimalDigits = Math.max(0, 9 + 3 - numDigitsInMin);
- units = "s";
- } else if (numDigitsInMin > 6) {
- divideBy = 1000000;
- decimalDigits = Math.max(0, 6 + 3 - numDigitsInMin);
- units = "ms";
- } else if (numDigitsInMin > 3) {
- divideBy = 1000;
- decimalDigits = Math.max(0, 3 + 3 - numDigitsInMin);
- units = "us";
- } else {
- divideBy = 1;
- decimalDigits = 0;
- units = "ns";
- }
- measurementColumnLength = max > 0
- ? ceil(Math.log10(max / divideBy)) + decimalDigits + 1
- : 1;
- }
-
- /**
- * A variable and the set of values to which it has been assigned.
- */
- private static class Variable {
- final String name;
- final ImmutableList<String> values;
- final int maxLength;
- double stdDeviation;
-
- Variable(String name, Collection<String> values) {
- this.name = name;
- this.values = ImmutableList.copyOf(values);
-
- int maxLen = name.length();
- for (String value : values) {
- maxLen = Math.max(maxLen, value.length());
- }
- this.maxLength = maxLen;
- }
-
- String get(Scenario scenario) {
- return scenario.getVariables().get(name);
- }
-
- int index(Scenario scenario) {
- return values.indexOf(get(scenario));
- }
-
- boolean isInteresting() {
- return values.size() > 1;
- }
- }
-
- /**
- * Orders the different variables by their standard deviation. This results
- * in an appropriate grouping of output values.
- */
- private static class StandardDeviationOrdering extends Ordering<Variable> {
- public int compare(Variable a, Variable b) {
- return Double.compare(a.stdDeviation, b.stdDeviation);
- }
- }
-
- /**
- * Orders scenarios by the variables.
- */
- private class ByVariablesOrdering extends Ordering<Scenario> {
- public int compare(Scenario a, Scenario b) {
- for (Variable variable : variables) {
- int aValue = variable.values.indexOf(variable.get(a));
- int bValue = variable.values.indexOf(variable.get(b));
- int diff = aValue - bValue;
- if (diff != 0) {
- return diff;
- }
- }
- return 0;
- }
- }
-
- void displayResults() {
- printValues();
- System.out.println();
- printUninterestingVariables();
- }
-
- /**
- * Prints a table of values.
- */
- private void printValues() {
- // header
- for (Variable variable : variables) {
- if (variable.isInteresting()) {
- System.out.printf("%" + variable.maxLength + "s ", variable.name);
- }
- }
- System.out.printf("%" + measurementColumnLength + "s logarithmic runtime%n", units);
-
- // rows
- String numbersFormat = "%" + measurementColumnLength + "." + decimalDigits + "f %s%n";
- for (Scenario scenario : scenarios) {
- for (Variable variable : variables) {
- if (variable.isInteresting()) {
- System.out.printf("%" + variable.maxLength + "s ", variable.get(scenario));
- }
- }
- double measurement = run.getMeasurements().get(scenario);
- System.out.printf(numbersFormat, measurement / divideBy, bargraph(measurement));
- }
- }
-
- /**
- * Prints variables with only one unique value.
- */
- private void printUninterestingVariables() {
- for (Variable variable : variables) {
- if (!variable.isInteresting()) {
- System.out.println(variable.name + ": " + Iterables.getOnlyElement(variable.values));
- }
- }
- }
-
- /**
- * Returns a string containing a bar of proportional width to the specified
- * value.
- */
- private String bargraph(double value) {
- int numLinearChars = floor(value / maxValue * bargraphWidth);
- double logValue = Math.log(value);
- int numChars = floor(logValue / logMaxValue * bargraphWidth);
- StringBuilder sb = new StringBuilder(numChars);
- for (int i = 0; i < numLinearChars; i++) {
- sb.append("X");
- }
-
- for (int i = numLinearChars; i < numChars; i++) {
- sb.append("|");
- }
- return sb.toString();
- }
-
- @SuppressWarnings("NumericCastThatLosesPrecision")
- private static int floor(double d) {
- return (int) d;
- }
-
- @SuppressWarnings("NumericCastThatLosesPrecision")
- private static int ceil(double d) {
- return (int) Math.ceil(d);
- }
-}
diff --git a/src/com/google/caliper/InProcessRunner.java b/src/com/google/caliper/InProcessRunner.java
deleted file mode 100644
index 33e9e00..0000000
--- a/src/com/google/caliper/InProcessRunner.java
+++ /dev/null
@@ -1,71 +0,0 @@
-/*
- * Copyright (C) 2010 Google Inc.
- *
- * 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.
- */
-
-package com.google.caliper;
-
-import com.google.caliper.UserException.CantCustomizeInProcessVmException;
-import com.google.caliper.UserException.ExceptionFromUserCodeException;
-import java.io.IOException;
-import java.io.OutputStream;
-import java.io.PrintStream;
-
-/**
- * Executes a benchmark in the current VM.
- */
-final class InProcessRunner {
-
- public void run(String... args) {
- Arguments arguments = Arguments.parse(args);
-
- if (!arguments.getUserVms().isEmpty()) {
- throw new CantCustomizeInProcessVmException();
- }
-
- ScenarioSelection scenarioSelection = new ScenarioSelection(arguments);
-
- PrintStream resultStream = System.out;
- System.setOut(nullPrintStream());
- System.setErr(nullPrintStream());
-
- try {
- Caliper caliper = new Caliper(arguments.getWarmupMillis(), arguments.getRunMillis());
-
- for (Scenario scenario : scenarioSelection.select()) {
- TimedRunnable timedRunnable = scenarioSelection.createBenchmark(scenario);
- double warmupNanosPerTrial = caliper.warmUp(timedRunnable);
- double nanosPerTrial = caliper.run(timedRunnable, warmupNanosPerTrial);
- resultStream.println(nanosPerTrial);
- }
- } catch (Exception e) {
- throw new ExceptionFromUserCodeException(e);
- }
- }
-
- public static void main(String... args) {
- try {
- new InProcessRunner().run(args);
- } catch (UserException e) {
- e.display(); // TODO: send this to the host process
- System.exit(1);
- }
- }
-
- public PrintStream nullPrintStream() {
- return new PrintStream(new OutputStream() {
- public void write(int b) throws IOException {}
- });
- }
-}
diff --git a/src/com/google/caliper/Param.java b/src/com/google/caliper/Param.java
deleted file mode 100644
index bea0269..0000000
--- a/src/com/google/caliper/Param.java
+++ /dev/null
@@ -1,36 +0,0 @@
-/*
- * Copyright (C) 2009 Google Inc.
- *
- * 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.
- */
-
-package com.google.caliper;
-
-import java.lang.annotation.ElementType;
-import java.lang.annotation.Retention;
-import java.lang.annotation.RetentionPolicy;
-import java.lang.annotation.Target;
-
-/**
- * Annotates the field accepting a parameter in a {@link SimpleBenchmark}.
- */
-@Retention(RetentionPolicy.RUNTIME)
-@Target(ElementType.FIELD)
-public @interface Param {
- /**
- * One or more default values, as strings, that this parameter should be given if none are
- * specified on the command line. If values are specified on the command line, the defaults given
- * here are all ignored.
- */
- String[] value() default {};
-}
diff --git a/src/com/google/caliper/Parameter.java b/src/com/google/caliper/Parameter.java
deleted file mode 100644
index caca252..0000000
--- a/src/com/google/caliper/Parameter.java
+++ /dev/null
@@ -1,182 +0,0 @@
-/*
- * Copyright (C) 2009 Google Inc.
- *
- * 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.
- */
-
-package com.google.caliper;
-
-import java.lang.reflect.Field;
-import java.lang.reflect.Member;
-import java.lang.reflect.Method;
-import java.lang.reflect.Modifier;
-import java.lang.reflect.ParameterizedType;
-import java.lang.reflect.Type;
-import java.util.Arrays;
-import java.util.Collection;
-import java.util.Collections;
-import java.util.EnumSet;
-import java.util.Map;
-import java.util.Set;
-import java.util.TreeMap;
-
-/**
- * A parameter in a {@link SimpleBenchmark}.
- */
-abstract class Parameter<T> {
-
- private final Field field;
-
- private Parameter(Field field) {
- this.field = field;
- }
-
- /**
- * Returns all properties for the given class.
- */
- public static Map<String, Parameter<?>> forClass(Class<? extends Benchmark> suiteClass) {
- Map<String, Parameter<?>> parameters = new TreeMap<String, Parameter<?>>();
- for (Field field : suiteClass.getDeclaredFields()) {
- if (field.isAnnotationPresent(Param.class)) {
- field.setAccessible(true);
- Parameter<?> parameter = forField(suiteClass, field);
- parameters.put(parameter.getName(), parameter);
- }
- }
- return parameters;
- }
-
- private static Parameter<?> forField(
- Class<? extends Benchmark> suiteClass, final Field field) {
- // First check for String values on the annotation itself
- final Object[] defaults = field.getAnnotation(Param.class).value();
- if (defaults.length > 0) {
- return new Parameter<Object>(field) {
- @Override public Collection<Object> values() throws Exception {
- return Arrays.asList(defaults);
- }
- };
- // TODO: or should we continue so we can give an error/warning if params are also give in a
- // method or field?
- }
-
- Parameter<?> result = null;
- Type returnType = null;
- Member member = null;
-
- // Now check for a fooValues() method
- try {
- final Method valuesMethod = suiteClass.getDeclaredMethod(field.getName() + "Values");
- valuesMethod.setAccessible(true);
- member = valuesMethod;
- returnType = valuesMethod.getGenericReturnType();
- result = new Parameter<Object>(field) {
- @SuppressWarnings("unchecked") // guarded below
- @Override public Collection<Object> values() throws Exception {
- return (Collection<Object>) valuesMethod.invoke(null);
- }
- };
- } catch (NoSuchMethodException ignored) {
- }
-
- // Now check for a fooValues field
- try {
- final Field valuesField = suiteClass.getDeclaredField(field.getName() + "Values");
- valuesField.setAccessible(true);
- member = valuesField;
- if (result != null) {
- throw new ConfigurationException("Two values members defined for " + field);
- }
- returnType = valuesField.getGenericType();
- result = new Parameter<Object>(field) {
- @SuppressWarnings("unchecked") // guarded below
- @Override public Collection<Object> values() throws Exception {
- return (Collection<Object>) valuesField.get(null);
- }
- };
- } catch (NoSuchFieldException ignored) {
- }
-
- if (member != null && !Modifier.isStatic(member.getModifiers())) {
- throw new ConfigurationException("Values member must be static " + member);
- }
-
- // If there isn't a values member but the parameter is an enum, we default
- // to EnumSet.allOf.
- if (member == null && field.getType().isEnum()) {
- returnType = Collection.class;
- result = new Parameter<Object>(field) {
- // TODO: figure out the simplest way to make this compile and be green in IDEA too
- @SuppressWarnings({"unchecked", "RawUseOfParameterizedType", "RedundantCast"})
- // guarded above
- @Override public Collection<Object> values() throws Exception {
- Set<Enum> set = EnumSet.allOf((Class<Enum>) field.getType());
- return (Collection) set;
- }
- };
- }
-
- if (result == null) {
- return new Parameter<Object>(field) {
- @Override public Collection<Object> values() {
- // TODO: need tests to make sure this fails properly when no cmdline params given and
- // works properly when they are given
- return Collections.emptySet();
- }
- };
- } else if (!isValidReturnType(returnType)) {
- throw new ConfigurationException("Invalid return type " + returnType
- + " for values member " + member + "; must be Collection");
- }
- return result;
- }
-
- private static boolean isValidReturnType(Type returnType) {
- if (returnType == Collection.class) {
- return true;
- }
- if (returnType instanceof ParameterizedType) {
- ParameterizedType type = (ParameterizedType) returnType;
- if (type.getRawType() == Collection.class) {
- return true;
- }
- }
- return false;
- }
-
- /**
- * Sets the value of this property to the specified value for the given suite.
- */
- public void set(Benchmark suite, Object value) throws Exception {
- field.set(suite, value);
- }
-
- /**
- * Returns the available values of the property as specified by the suite.
- */
- public abstract Collection<T> values() throws Exception;
-
- /**
- * Returns the parameter's type, such as double.class.
- */
- public Type getType() {
- return field.getGenericType();
- }
-
- /**
- * Returns the field's name.
- */
- String getName() {
- return field.getName();
- }
-}
diff --git a/src/com/google/caliper/Run.java b/src/com/google/caliper/Run.java
deleted file mode 100644
index f2e71de..0000000
--- a/src/com/google/caliper/Run.java
+++ /dev/null
@@ -1,92 +0,0 @@
-/**
- * Copyright (C) 2009 Google Inc.
- *
- * 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.
- */
-
-package com.google.caliper;
-
-import java.io.Serializable;
-import java.util.Date;
-import java.util.LinkedHashMap;
-import java.util.Map;
-
-/**
- * The complete result of a benchmark suite run.
- *
- * <p>Gwt-safe.
- */
-public final class Run
- implements Serializable /* for GWT Serialization */ {
-
- private /*final*/ Map<Scenario, Double> measurements;
- private /*final*/ String benchmarkName;
- private /*final*/ String executedByUuid;
- private /*final*/ long executedTimestamp;
-
- // TODO: add more run properites such as checksums of the executed code
-
- public Run(Map<Scenario, Double> measurements,
- String benchmarkName, String executedByUuid, Date executedTimestamp) {
- if (benchmarkName == null || executedByUuid == null || executedTimestamp == null) {
- throw new NullPointerException();
- }
-
- this.measurements = new LinkedHashMap<Scenario, Double>(measurements);
- this.benchmarkName = benchmarkName;
- this.executedByUuid = executedByUuid;
- this.executedTimestamp = executedTimestamp.getTime();
- }
-
- public Map<Scenario, Double> getMeasurements() {
- return measurements;
- }
-
- public String getBenchmarkName() {
- return benchmarkName;
- }
-
- public String getExecutedByUuid() {
- return executedByUuid;
- }
-
- public Date getExecutedTimestamp() {
- return new Date(executedTimestamp);
- }
-
- @Override public boolean equals(Object o) {
- if (o instanceof Run) {
- Run that = (Run) o;
- return measurements.equals(that.measurements)
- && benchmarkName.equals(that.benchmarkName)
- && executedByUuid.equals(that.executedByUuid)
- && executedTimestamp == that.executedTimestamp;
- }
-
- return false;
- }
-
- @Override public int hashCode() {
- int result = measurements.hashCode();
- result = result * 37 + benchmarkName.hashCode();
- result = result * 37 + executedByUuid.hashCode();
- result = result * 37 + (int) ((executedTimestamp >> 32) ^ executedTimestamp);
- return result;
- }
-
- @Override public String toString() {
- return measurements.toString();
- }
-
- private Run() {} // for GWT Serialization
-}
diff --git a/src/com/google/caliper/Runner.java b/src/com/google/caliper/Runner.java
deleted file mode 100644
index e359df8..0000000
--- a/src/com/google/caliper/Runner.java
+++ /dev/null
@@ -1,224 +0,0 @@
-/*
- * Copyright (C) 2009 Google Inc.
- *
- * 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.
- */
-
-package com.google.caliper;
-
-import com.google.caliper.UserException.ExceptionFromUserCodeException;
-import com.google.common.collect.ImmutableMap;
-import com.google.common.collect.ImmutableMap.Builder;
-import com.google.common.collect.ObjectArrays;
-import java.io.BufferedReader;
-import java.io.File;
-import java.io.FileInputStream;
-import java.io.FileOutputStream;
-import java.io.IOException;
-import java.io.InputStreamReader;
-import java.net.HttpURLConnection;
-import java.net.URL;
-import java.util.Arrays;
-import java.util.Date;
-import java.util.List;
-import java.util.Map.Entry;
-import java.util.Properties;
-import java.util.UUID;
-
-/**
- * Creates, executes and reports benchmark runs.
- */
-public final class Runner {
-
- /** Command line arguments to the process */
- private Arguments arguments;
- private ScenarioSelection scenarioSelection;
-
- /**
- * Returns the UUID of the executing host. Multiple runs by the same user on
- * the same machine should yield the same result.
- */
- private String getExecutedByUuid() {
- try {
- File dotCaliperRc = new File(System.getProperty("user.home"), ".caliperrc");
- Properties properties = new Properties();
- if (dotCaliperRc.exists()) {
- properties.load(new FileInputStream(dotCaliperRc));
- }
-
- String userUuid = properties.getProperty("userUuid");
- if (userUuid == null) {
- userUuid = UUID.randomUUID().toString();
- properties.setProperty("userUuid", userUuid);
- properties.store(new FileOutputStream(dotCaliperRc), "");
- }
-
- return userUuid;
- } catch (IOException e) {
- throw new RuntimeException(e);
- }
- }
-
- public void run(String... args) {
- this.arguments = Arguments.parse(args);
- this.scenarioSelection = new ScenarioSelection(arguments);
- Run run = runOutOfProcess();
- new ConsoleReport(run).displayResults();
- postResults(run);
- }
-
- private void postResults(Run run) {
- String postHost = arguments.getPostHost();
- if ("none".equals(postHost)) {
- return;
- }
-
- try {
- URL url = new URL(postHost + run.getExecutedByUuid() + "/" + run.getBenchmarkName());
- HttpURLConnection urlConnection = (HttpURLConnection) url.openConnection();
- urlConnection.setDoOutput(true);
- Xml.runToXml(run, urlConnection.getOutputStream());
- if (urlConnection.getResponseCode() == 200) {
- System.out.println("");
- System.out.println("View current and previous benchmark results online:");
- System.out.println(" " + url);
- return;
- }
-
- System.out.println("Posting to " + postHost + " failed: "
- + urlConnection.getResponseMessage());
- BufferedReader reader = new BufferedReader(
- new InputStreamReader(urlConnection.getInputStream()));
- String line;
- while ((line = reader.readLine()) != null) {
- System.out.println(line);
- }
- } catch (IOException e) {
- throw new RuntimeException(e);
- }
- }
-
- private double executeForked(Scenario scenario) {
- ProcessBuilder builder = new ProcessBuilder();
- List<String> command = builder.command();
- command.addAll(Arrays.asList(scenario.getVariables().get(Scenario.VM_KEY).split("\\s+")));
- command.add("-cp");
- command.add(System.getProperty("java.class.path"));
- command.add(InProcessRunner.class.getName());
- command.add("--warmupMillis");
- command.add(String.valueOf(arguments.getWarmupMillis()));
- command.add("--runMillis");
- command.add(String.valueOf(arguments.getRunMillis()));
- for (Entry<String, String> entry : scenario.getParameters().entrySet()) {
- command.add("-D" + entry.getKey() + "=" + entry.getValue());
- }
- command.add(arguments.getSuiteClassName());
-
- BufferedReader reader = null;
- try {
- builder.redirectErrorStream(true);
- builder.directory(new File(System.getProperty("user.dir")));
- Process process = builder.start();
-
- reader = new BufferedReader(new InputStreamReader(process.getInputStream()));
- String firstLine = reader.readLine();
- Double nanosPerTrial = null;
- try {
- nanosPerTrial = Double.valueOf(firstLine);
- } catch (NumberFormatException ignore) {
- }
-
- String anotherLine = reader.readLine();
- if (nanosPerTrial != null && anotherLine == null) {
- return nanosPerTrial;
- }
-
- String message = "Failed to execute " + command;
- System.err.println(message);
- System.err.println(" " + firstLine);
- do {
- System.err.println(" " + anotherLine);
- } while ((anotherLine = reader.readLine()) != null);
- throw new ConfigurationException(message);
- } catch (IOException e) {
- throw new ConfigurationException(e);
- } finally {
- if (reader != null) {
- try {
- reader.close();
- } catch (IOException ignored) {
- }
- }
- }
- }
-
- // TODO: check if this is platform-independent
- @SuppressWarnings("HardcodedLineSeparator")
- private static final String RETURN = "\r";
-
- private Run runOutOfProcess() {
- String executedByUuid = getExecutedByUuid();
- Date executedDate = new Date();
- Builder<Scenario, Double> resultsBuilder = ImmutableMap.builder();
-
- try {
- List<Scenario> scenarios = scenarioSelection.select();
- int i = 0;
- for (Scenario scenario : scenarios) {
- beforeMeasurement(i++, scenarios.size(), scenario);
- double nanosPerTrial = executeForked(scenario);
- afterMeasurement(nanosPerTrial);
- resultsBuilder.put(scenario, nanosPerTrial);
- }
-
- // blat out our progress bar
- System.out.print(RETURN);
- for (int j = 0; j < 80; j++) {
- System.out.print(" ");
- }
- System.out.print(RETURN);
-
- return new Run(resultsBuilder.build(), arguments.getSuiteClassName(), executedByUuid, executedDate);
- } catch (Exception e) {
- throw new ExceptionFromUserCodeException(e);
- }
- }
-
- private void beforeMeasurement(int index, int total, Scenario scenario) {
- double percentDone = (double) index / total;
- int runStringLength = 63; // so the total line length is 80
- String runString = String.valueOf(scenario);
- if (runString.length() > runStringLength) {
- runString = runString.substring(0, runStringLength);
- }
- System.out.printf(RETURN + "%2.0f%% %-" + runStringLength + "s",
- percentDone * 100, runString);
- }
-
- private void afterMeasurement(double nanosPerTrial) {
- System.out.printf(" %10.0fns", nanosPerTrial);
- }
-
- public static void main(String... args) {
- try {
- new Runner().run(args);
- } catch (UserException e) {
- e.display();
- System.exit(1);
- }
- }
-
- public static void main(Class<? extends Benchmark> suite, String... args) {
- main(ObjectArrays.concat(args, suite.getName()));
- }
-}
diff --git a/src/com/google/caliper/Scenario.java b/src/com/google/caliper/Scenario.java
deleted file mode 100644
index 3fd06e4..0000000
--- a/src/com/google/caliper/Scenario.java
+++ /dev/null
@@ -1,81 +0,0 @@
-/*
- * Copyright (C) 2009 Google Inc.
- *
- * 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.
- */
-
-package com.google.caliper;
-
-import java.io.Serializable;
-import java.util.Arrays;
-import java.util.HashSet;
-import java.util.LinkedHashMap;
-import java.util.Map;
-import java.util.Set;
-
-/**
- * A configured benchmark.
- *
- * <p>Gwt-safe.
- */
-public final class Scenario
- implements Serializable /* for GWT */ {
-
- static final String VM_KEY = "vm";
-
- /**
- * The subset of variable names that are managed by the system. It is an error
- * to create a parameter with the same name as one of these variables.
- */
- static final Set<String> SYSTEM_VARIABLES = new HashSet<String>(Arrays.asList(VM_KEY));
-
- private /*final*/ Map<String, String> variables;
-
- public Scenario(Map<String, String> variables) {
- this.variables = new LinkedHashMap<String, String>(variables);
- }
-
- public Map<String, String> getVariables() {
- return variables;
- }
-
- /**
- * Returns the user-specified parameters. This is the (possibly-empty) set of
- * variables that may be varied from scenario to scenario in the same
- * environment.
- */
- public Map<String, String> getParameters() {
- Map<String, String> result = new LinkedHashMap<String, String>();
- for (Map.Entry<String, String> entry : variables.entrySet()) {
- if (!SYSTEM_VARIABLES.contains(entry.getKey())) {
- result.put(entry.getKey(), entry.getValue());
- }
- }
- return result;
- }
-
- @Override public boolean equals(Object o) {
- return o instanceof Scenario
- && ((Scenario) o).getVariables().equals(variables);
- }
-
- @Override public int hashCode() {
- return variables.hashCode();
- }
-
- @Override public String toString() {
- return "Scenario" + variables;
- }
-
- private Scenario() {} // for GWT
-}
diff --git a/src/com/google/caliper/ScenarioSelection.java b/src/com/google/caliper/ScenarioSelection.java
deleted file mode 100644
index 7814818..0000000
--- a/src/com/google/caliper/ScenarioSelection.java
+++ /dev/null
@@ -1,208 +0,0 @@
-/*
- * Copyright (C) 2010 Google Inc.
- *
- * 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.
- */
-
-package com.google.caliper;
-
-import com.google.caliper.UserException.AbstractBenchmarkException;
-import com.google.caliper.UserException.DoesntImplementBenchmarkException;
-import com.google.caliper.UserException.ExceptionFromUserCodeException;
-import com.google.caliper.UserException.NoParameterlessConstructorException;
-import com.google.caliper.UserException.NoSuchClassException;
-import com.google.common.collect.ImmutableSet;
-import com.google.common.collect.LinkedHashMultimap;
-import com.google.common.collect.Multimap;
-import java.lang.reflect.Constructor;
-import java.lang.reflect.InvocationTargetException;
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.Iterator;
-import java.util.LinkedHashMap;
-import java.util.List;
-import java.util.Map;
-import java.util.Map.Entry;
-import java.util.Set;
-
-/**
- * Figures out which scenarios to benchmark given a benchmark suite, set of user
- * parameters, and set of user VMs.
- */
-public final class ScenarioSelection {
-
- private final String suiteClassName;
- private final Multimap<String, String> userParameters;
- private final Set<String> userVms;
-
- private Benchmark suite;
-
- /** Effective parameters to run in the benchmark. */
- private final Multimap<String, String> parameters = LinkedHashMultimap.create();
-
- public ScenarioSelection(Arguments arguments) {
- this(arguments.getSuiteClassName(), arguments.getUserParameters(), arguments.getUserVms());
- }
-
- public ScenarioSelection(String suiteClassName,
- Multimap<String, String> userParameters, Set<String> userVms) {
- this.suiteClassName = suiteClassName;
- this.userParameters = userParameters;
- this.userVms = userVms;
- }
-
- /**
- * Returns the selected scenarios for this benchmark.
- */
- public List<Scenario> select() {
- prepareSuite();
- prepareParameters();
- return createScenarios();
- }
-
- public TimedRunnable createBenchmark(Scenario scenario) {
- return suite.createBenchmark(scenario.getParameters());
- }
-
- private void prepareSuite() {
- Class<?> benchmarkClass;
- try {
- benchmarkClass = getClassByName(suiteClassName);
- } catch (ExceptionInInitializerError e) {
- throw new ExceptionFromUserCodeException(e.getCause());
- } catch (ClassNotFoundException ignored) {
- throw new NoSuchClassException(suiteClassName);
- }
-
- Object s;
- try {
- Constructor<?> constructor = benchmarkClass.getDeclaredConstructor();
- constructor.setAccessible(true);
- s = constructor.newInstance();
- } catch (InstantiationException ignore) {
- throw new AbstractBenchmarkException(benchmarkClass);
- } catch (NoSuchMethodException ignore) {
- throw new NoParameterlessConstructorException(benchmarkClass);
- } catch (IllegalAccessException impossible) {
- throw new AssertionError(impossible); // shouldn't happen since we setAccessible(true)
- } catch (InvocationTargetException e) {
- throw new ExceptionFromUserCodeException(e.getCause());
- }
-
- if (s instanceof Benchmark) {
- this.suite = (Benchmark) s;
- } else {
- throw new DoesntImplementBenchmarkException(benchmarkClass);
- }
- }
-
- private static Class<?> getClassByName(String className) throws ClassNotFoundException {
- try {
- return Class.forName(className);
- } catch (ClassNotFoundException ignored) {
- // try replacing the last dot with a $, in case that helps
- // example: tutorial.Tutorial.Benchmark1 becomes tutorial.Tutorial$Benchmark1
- // amusingly, the $ character means three different things in this one line alone
- String newName = className.replaceFirst("\\.([^.]+)$", "\\$$1");
- return Class.forName(newName);
- }
- }
-
- private void prepareParameters() {
- for (String key : suite.parameterNames()) {
- // first check if the user has specified values
- Collection<String> userValues = userParameters.get(key);
- if (!userValues.isEmpty()) {
- parameters.putAll(key, userValues);
- // TODO: type convert 'em to validate?
-
- } else { // otherwise use the default values from the suite
- Set<String> values = suite.parameterValues(key);
- if (values.isEmpty()) {
- throw new ConfigurationException(key + " has no values");
- }
- parameters.putAll(key, values);
- }
- }
- }
-
- private ImmutableSet<String> defaultVms() {
- return "Dalvik".equals(System.getProperty("java.vm.name"))
- ? ImmutableSet.of("dalvikvm")
- : ImmutableSet.of("java");
- }
-
- /**
- * Returns a complete set of scenarios with every combination of values and
- * benchmark classes.
- */
- private List<Scenario> createScenarios() {
- List<ScenarioBuilder> builders = new ArrayList<ScenarioBuilder>();
-
- // create scenarios for each VM
- Set<String> vms = userVms.isEmpty()
- ? defaultVms()
- : userVms;
- for (String vm : vms) {
- ScenarioBuilder scenarioBuilder = new ScenarioBuilder();
- scenarioBuilder.parameters.put(Scenario.VM_KEY, vm);
- builders.add(scenarioBuilder);
- }
-
- for (Entry<String, Collection<String>> parameter : parameters.asMap().entrySet()) {
- Iterator<String> values = parameter.getValue().iterator();
- if (!values.hasNext()) {
- throw new ConfigurationException("Not enough values for " + parameter);
- }
-
- String key = parameter.getKey();
-
- String firstValue = values.next();
- for (ScenarioBuilder builder : builders) {
- builder.parameters.put(key, firstValue);
- }
-
- // multiply the size of the specs by the number of alternate values
- int size = builders.size();
- while (values.hasNext()) {
- String alternate = values.next();
- for (int s = 0; s < size; s++) {
- ScenarioBuilder copy = builders.get(s).copy();
- copy.parameters.put(key, alternate);
- builders.add(copy);
- }
- }
- }
-
- List<Scenario> result = new ArrayList<Scenario>();
- for (ScenarioBuilder builder : builders) {
- result.add(builder.build());
- }
-
- return result;
- }
-
- private static class ScenarioBuilder {
- final Map<String, String> parameters = new LinkedHashMap<String, String>();
-
- ScenarioBuilder copy() {
- ScenarioBuilder result = new ScenarioBuilder();
- result.parameters.putAll(parameters);
- return result;
- }
-
- public Scenario build() {
- return new Scenario(parameters);
- }
- }
-}
diff --git a/src/com/google/caliper/SimpleBenchmark.java b/src/com/google/caliper/SimpleBenchmark.java
deleted file mode 100644
index 31ff6c9..0000000
--- a/src/com/google/caliper/SimpleBenchmark.java
+++ /dev/null
@@ -1,167 +0,0 @@
-/*
- * Copyright (C) 2009 Google Inc.
- *
- * 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.
- */
-
-package com.google.caliper;
-
-import com.google.caliper.UserException.ExceptionFromUserCodeException;
-import com.google.common.collect.ImmutableMap;
-import com.google.common.collect.ImmutableSet;
-import java.lang.reflect.Method;
-import java.lang.reflect.Modifier;
-import java.util.Arrays;
-import java.util.Collection;
-import java.util.Map;
-import java.util.Set;
-
-/**
- * A convenience class for implementing benchmarks in plain code.
- * Implementing classes must have a no-arguments constructor.
- *
- * <h3>Benchmarks</h3>
- * The benchmarks of a suite are defined by . They may be
- * static. They are not permitted to take parameters . . ..
- *
- * <h3>Parameters</h3>
- * Implementing classes may be configured using parameters. Each parameter is a
- * property of a benchmark, plus the default values that fulfill it. Parameters
- * are specified by annotated fields:
- * <pre>
- * {@literal @}Param int length;
- * </pre>
- * The available values for a parameter are specified by another field with the
- * same name plus the {@code Values} suffix. The type of this field must be an
- * {@code Iterable} of the parameter's type.
- * <pre>
- * Iterable&lt;Integer&gt; lengthValues = Arrays.asList(10, 100, 1000, 10000);
- * </pre>
- * Alternatively, the available values may be specified with a method. The
- * method's name follows the same naming convention and returns the same type.
- * Such methods may not accept parameters of their own.
- * <pre>
- * Iterable&lt;Integer&gt; lengthValues() {
- * return Arrays.asList(10, 100, 1000, 10000);
- * }
- * </pre>
- */
-public abstract class SimpleBenchmark implements Benchmark {
-
- private static final Class<?>[] ARGUMENT_TYPES = { int.class };
-
- private final Map<String, Parameter<?>> parameters;
- private final Map<String, Method> methods;
-
- protected SimpleBenchmark() {
- parameters = Parameter.forClass(getClass());
- methods = createTimedMethods();
-
- if (methods.isEmpty()) {
- throw new ConfigurationException(
- "No benchmarks defined in " + getClass().getName());
- }
- }
-
- protected void setUp() throws Exception {}
-
- public Set<String> parameterNames() {
- return ImmutableSet.<String>builder()
- .add("benchmark")
- .addAll(parameters.keySet())
- .build();
- }
-
- public Set<String> parameterValues(String parameterName) {
- if ("benchmark".equals(parameterName)) {
- return methods.keySet();
- }
-
- Parameter<?> parameter = parameters.get(parameterName);
- if (parameter == null) {
- throw new IllegalArgumentException();
- }
- try {
- Collection<?> values = parameter.values();
-
- ImmutableSet.Builder<String> result = ImmutableSet.builder();
- for (Object value : values) {
- result.add(String.valueOf(value));
- }
- return result.build();
- } catch (Exception e) {
- throw new ExceptionFromUserCodeException(e);
- }
- }
-
- public TimedRunnable createBenchmark(Map<String, String> parameterValues) {
- if (!parameterNames().equals(parameterValues.keySet())) {
- throw new IllegalArgumentException("Invalid parameters specified. Expected "
- + parameterNames() + " but was " + parameterValues.keySet());
- }
-
- try {
- @SuppressWarnings({"ClassNewInstance"}) // can throw any Exception, so we catch all Exceptions
- final SimpleBenchmark copyOfSelf = getClass().newInstance();
- final Method method = methods.get(parameterValues.get("benchmark"));
-
- for (Map.Entry<String, String> entry : parameterValues.entrySet()) {
- String parameterName = entry.getKey();
- if ("benchmark".equals(parameterName)) {
- continue;
- }
-
- Parameter<?> parameter = parameters.get(parameterName);
- Object value = TypeConverter.fromString(entry.getValue(), parameter.getType());
- parameter.set(copyOfSelf, value);
- }
- copyOfSelf.setUp();
-
- return new TimedRunnable() {
- public Object run(int reps) throws Exception {
- return method.invoke(copyOfSelf, reps);
- }
- };
-
- } catch (Exception e) {
- throw new ExceptionFromUserCodeException(e);
- }
- }
-
- /**
- * Returns a spec for each benchmark defined in the specified class. The
- * returned specs have no parameter values; those must be added separately.
- */
- private Map<String, Method> createTimedMethods() {
- ImmutableMap.Builder<String, Method> result = ImmutableMap.builder();
- for (Method method : getClass().getDeclaredMethods()) {
- int modifiers = method.getModifiers();
- if (!method.getName().startsWith("time")) {
- continue;
- }
-
- if (!Modifier.isPublic(modifiers)
- || Modifier.isStatic(modifiers)
- || Modifier.isAbstract(modifiers)
- || !Arrays.equals(method.getParameterTypes(), ARGUMENT_TYPES)) {
- throw new ConfigurationException("Timed methods must be public, "
- + "non-static, non-abstract and take a single int parameter. "
- + "But " + method + " violates these requirements.");
- }
-
- result.put(method.getName().substring(4), method);
- }
-
- return result.build();
- }
-} \ No newline at end of file
diff --git a/src/com/google/caliper/TimedRunnable.java b/src/com/google/caliper/TimedRunnable.java
deleted file mode 100644
index d1f9a6c..0000000
--- a/src/com/google/caliper/TimedRunnable.java
+++ /dev/null
@@ -1,29 +0,0 @@
-/**
- * Copyright (C) 2009 Google Inc.
- *
- * 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.
- */
-
-package com.google.caliper;
-
-public interface TimedRunnable {
-
- /**
- * Runs the benchmark through {@code trials} iterations.
- *
- * @return any object or null. Benchmark implementors may keep an accumulating
- * value to prevent the runtime from optimizing away the code under test.
- * Such an accumulator value can be returned here.
- */
- Object run(int reps) throws Exception;
-}
diff --git a/src/com/google/caliper/TypeConverter.java b/src/com/google/caliper/TypeConverter.java
deleted file mode 100644
index 29d00ea..0000000
--- a/src/com/google/caliper/TypeConverter.java
+++ /dev/null
@@ -1,59 +0,0 @@
-/**
- * Copyright (C) 2009 Google Inc.
- *
- * 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.
- */
-
-package com.google.caliper;
-
-import com.google.common.collect.ImmutableMap;
-import java.lang.reflect.Method;
-import java.lang.reflect.Type;
-import java.util.Map;
-
-/**
- * Convert objects to and from Strings.
- */
-final class TypeConverter {
- private TypeConverter() {}
-
- public static Object fromString(String value, Type type) {
- Class<?> c = wrap((Class<?>) type);
- try {
- Method m = c.getMethod("valueOf", String.class);
- return m.invoke(null, value);
- } catch (Exception e) {
- throw new UnsupportedOperationException(
- "Cannot convert " + value + " of type " + type, e);
- }
- }
-
- // safe because both Long.class and long.class are of type Class<Long>
- @SuppressWarnings("unchecked")
- private static <T> Class<T> wrap(Class<T> c) {
- return c.isPrimitive() ? (Class<T>) PRIMITIVES_TO_WRAPPERS.get(c) : c;
- }
-
- private static final Map<Class<?>, Class<?>> PRIMITIVES_TO_WRAPPERS
- = new ImmutableMap.Builder<Class<?>, Class<?>>()
- .put(boolean.class, Boolean.class)
- .put(byte.class, Byte.class)
- .put(char.class, Character.class)
- .put(double.class, Double.class)
- .put(float.class, Float.class)
- .put(int.class, Integer.class)
- .put(long.class, Long.class)
- .put(short.class, Short.class)
- .put(void.class, Void.class)
- .build();
-}
diff --git a/src/com/google/caliper/UserException.java b/src/com/google/caliper/UserException.java
deleted file mode 100644
index 66fb8e3..0000000
--- a/src/com/google/caliper/UserException.java
+++ /dev/null
@@ -1,141 +0,0 @@
-/*
- * Copyright (C) 2009 Google Inc.
- *
- * 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.
- */
-
-package com.google.caliper;
-
-import java.util.Arrays;
-
-/**
- * Signifies a problem that should be explained in user-friendly terms on the command line, without
- * a confusing stack trace, and optionally followed by a usage summary.
- */
-@SuppressWarnings("serial") // never going to serialize these... right?
-public abstract class UserException extends RuntimeException {
- protected final String error;
-
- protected UserException(String error) {
- this.error = error;
- }
-
- public abstract void display();
-
- // - - - -
-
- public abstract static class ErrorInUsageException extends UserException {
- protected ErrorInUsageException(String error) {
- super(error);
- }
-
- @Override public void display() {
- if (error != null) {
- System.err.println("Error: " + error);
- }
- Arguments.printUsage();
- }
- }
-
- public abstract static class ErrorInUserCodeException extends UserException {
- private final String remedy;
-
- protected ErrorInUserCodeException(String error, String remedy) {
- super(error);
- this.remedy = remedy;
- }
-
- @Override public void display() {
- System.err.println("Error: " + error);
- System.err.println("Typical Remedy: " + remedy);
- }
- }
-
- // - - - -
-
- // Not technically an error, but works nicely this way anyway
- public static class DisplayUsageException extends ErrorInUsageException {
- public DisplayUsageException() {
- super(null);
- }
- }
-
- public static class UnrecognizedOptionException extends ErrorInUsageException {
- public UnrecognizedOptionException(String arg) {
- super("Argument not recognized: " + arg);
- }
- }
-
- public static class NoBenchmarkClassException extends ErrorInUsageException {
- public NoBenchmarkClassException() {
- super("No benchmark class specified.");
- }
- }
-
- public static class MultipleBenchmarkClassesException extends ErrorInUsageException {
- public MultipleBenchmarkClassesException(String a, String b) {
- super("Multiple benchmark classes specified: " + Arrays.asList(a, b));
- }
- }
-
- public static class MalformedParameterException extends ErrorInUsageException {
- public MalformedParameterException(String arg) {
- super("Malformed parameter: " + arg);
- }
- }
-
- public static class CantCustomizeInProcessVmException extends ErrorInUsageException {
- public CantCustomizeInProcessVmException() {
- super("Can't customize VM when running in process.");
- }
- }
-
- public static class NoSuchClassException extends ErrorInUsageException {
- public NoSuchClassException(String name) {
- super("No class named [" + name + "] was found (check CLASSPATH).");
- }
- }
-
-
- public static class AbstractBenchmarkException extends ErrorInUserCodeException {
- public AbstractBenchmarkException(Class<?> specifiedClass) {
- super("Class [" + specifiedClass.getName() + "] is abstract.", "Specify a concrete class.");
- }
- }
-
- public static class NoParameterlessConstructorException extends ErrorInUserCodeException {
- public NoParameterlessConstructorException(Class<?> specifiedClass) {
- super("Class [" + specifiedClass.getName() + "] has no parameterless constructor.",
- "Remove all constructors or add a parameterless constructor.");
- }
- }
-
- public static class DoesntImplementBenchmarkException extends ErrorInUserCodeException {
- public DoesntImplementBenchmarkException(Class<?> specifiedClass) {
- super("Class [" + specifiedClass + "] does not implement the " + Benchmark.class.getName()
- + " interface.", "Add 'extends " + SimpleBenchmark.class + "' to the class declaration.");
- }
- }
-
- // TODO: should remove the caliper stack frames....
- public static class ExceptionFromUserCodeException extends UserException {
- public ExceptionFromUserCodeException(Throwable t) {
- super("An exception was thrown from the benchmark code.");
- initCause(t);
- }
- @Override public void display() {
- System.err.println(error);
- getCause().printStackTrace(System.err);
- }
- }
-}
diff --git a/src/com/google/caliper/Xml.java b/src/com/google/caliper/Xml.java
deleted file mode 100644
index f7cfafc..0000000
--- a/src/com/google/caliper/Xml.java
+++ /dev/null
@@ -1,108 +0,0 @@
-/**
- * Copyright (C) 2009 Google Inc.
- *
- * 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.
- */
-
-package com.google.caliper;
-
-import com.google.common.collect.ImmutableList;
-import com.google.common.collect.ImmutableMap;
-import java.io.InputStream;
-import java.io.OutputStream;
-import java.text.SimpleDateFormat;
-import java.util.Date;
-import java.util.Map;
-
-public final class Xml {
- private static final String DATE_FORMAT_STRING = "yyyy-MM-dd'T'HH:mm:ssz";
-
- /**
- * Encodes this result as XML to the specified stream. This XML can be parsed
- * with {@link #runFromXml(InputStream)}. Sample output:
- * <pre>{@code
- * <result benchmark="examples.FooBenchmark"
- * executedBy="A0:1F:CAFE:BABE"
- * executedTimestamp="2010-01-05T11:08:15PST">
- * <scenario bar="15" foo="A" vm="dalvikvm">1200.1</scenario>
- * <scenario bar="15" foo="B" vm="dalvikvm">1100.2</scenario>
- * </result>
- * }</pre>
- */
- public static void runToXml(Run run, OutputStream out) {
- // BEGIN android-removed
- // we don't have DOM level 3 on Android yet
- // try {
- // Document doc = DocumentBuilderFactory.newInstance().newDocumentBuilder().newDocument();
- // Element result = doc.createElement("result");
- // doc.appendChild(result);
- //
- // result.setAttribute("benchmark", run.getBenchmarkName());
- // result.setAttribute("executedBy", run.getExecutedByUuid());
- // String executedTimestampString = new SimpleDateFormat(DATE_FORMAT_STRING)
- // .format(run.getExecutedTimestamp());
- // result.setAttribute("executedTimestamp", executedTimestampString);
- //
- // for (Map.Entry<Scenario, Double> entry : run.getMeasurements().entrySet()) {
- // Element runElement = doc.createElement("scenario");
- // result.appendChild(runElement);
- //
- // Scenario scenario = entry.getKey();
- // for (Map.Entry<String, String> parameter : scenario.getVariables().entrySet()) {
- // runElement.setAttribute(parameter.getKey(), parameter.getValue());
- // }
- // runElement.setTextContent(String.valueOf(entry.getValue()));
- // }
- //
- // TransformerFactory.newInstance().newTransformer()
- // .transform(new DOMSource(doc), new StreamResult(out));
- // } catch (Exception e) {
- // throw new IllegalStateException("Malformed XML document", e);
- // }
- // END android-removed
- }
-
- /**
- * Creates a result by decoding XML from the specified stream. The XML should
- * be consistent with the format emitted by {@link #runToXml(Run, OutputStream)}.
- */
- public static Run runFromXml(InputStream in) {
- // BEGIN android-removed
- // we don't have DOM level 3 on Android yet
- throw new UnsupportedOperationException();
- // try {
- // Document document = DocumentBuilderFactory.newInstance().newDocumentBuilder().parse(in);
- // Element result = document.getDocumentElement();
- //
- // String benchmarkName = result.getAttribute("benchmark");
- // String executedByUuid = result.getAttribute("executedBy");
- // String executedDateString = result.getAttribute("executedTimestamp");
- // Date executedDate = new SimpleDateFormat(DATE_FORMAT_STRING).parse(executedDateString);
- //
- // ImmutableMap.Builder<Scenario, Double> measurementsBuilder = ImmutableMap.builder();
- // for (Node node : childrenOf(result)) {
- // Element scenarioElement = (Element) node;
- // Scenario scenario = new Scenario(attributesOf(scenarioElement));
- // double measurement = Double.parseDouble(scenarioElement.getTextContent());
- // measurementsBuilder.put(scenario, measurement);
- // }
- //
- // return new Run(measurementsBuilder.build(), benchmarkName, executedByUuid, executedDate);
- // } catch (Exception e) {
- // throw new IllegalStateException("Malformed XML document", e);
- // }
- // END android-removed
- }
-
- private Xml() {}
-}
diff --git a/src/examples/ArraySortBenchmark.java b/src/examples/ArraySortBenchmark.java
deleted file mode 100644
index f42390f..0000000
--- a/src/examples/ArraySortBenchmark.java
+++ /dev/null
@@ -1,102 +0,0 @@
-/*
- * Copyright (C) 2009 Google Inc.
- *
- * 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.
- */
-
-package examples;
-
-import com.google.caliper.Param;
-import com.google.caliper.Runner;
-import com.google.caliper.SimpleBenchmark;
-import java.util.Arrays;
-import java.util.Random;
-
-/**
- * Measures sorting on different distributions of integers.
- */
-public class ArraySortBenchmark extends SimpleBenchmark {
-
- @Param({"10", "100", "1000", "10000"}) private int length;
-
- @Param private Distribution distribution;
-
- private int[] values;
- private int[] copy;
-
- @Override protected void setUp() throws Exception {
- values = distribution.create(length);
- copy = new int[length];
- }
-
- public void timeSort(int reps) {
- for (int i = 0; i < reps; i++) {
- System.arraycopy(values, 0, copy, 0, values.length);
- Arrays.sort(copy);
- }
- }
-
- public enum Distribution {
- SAWTOOTH {
- @Override
- int[] create(int length) {
- int[] result = new int[length];
- for (int i = 0; i < length; i += 5) {
- result[i] = 0;
- result[i + 1] = 1;
- result[i + 2] = 2;
- result[i + 3] = 3;
- result[i + 4] = 4;
- }
- return result;
- }
- },
- INCREASING {
- @Override
- int[] create(int length) {
- int[] result = new int[length];
- for (int i = 0; i < length; i++) {
- result[i] = i;
- }
- return result;
- }
- },
- DECREASING {
- @Override
- int[] create(int length) {
- int[] result = new int[length];
- for (int i = 0; i < length; i++) {
- result[i] = length - i;
- }
- return result;
- }
- },
- RANDOM {
- @Override
- int[] create(int length) {
- Random random = new Random();
- int[] result = new int[length];
- for (int i = 0; i < length; i++) {
- result[i] = random.nextInt();
- }
- return result;
- }
- };
-
- abstract int[] create(int length);
- }
-
- public static void main(String[] args) throws Exception {
- Runner.main(ArraySortBenchmark.class, args);
- }
-}
diff --git a/src/examples/BoxedDoubleToStringBenchmark.java b/src/examples/BoxedDoubleToStringBenchmark.java
deleted file mode 100644
index 22cb28e..0000000
--- a/src/examples/BoxedDoubleToStringBenchmark.java
+++ /dev/null
@@ -1,81 +0,0 @@
-/*
- * Copyright (C) 2009 Google Inc.
- *
- * 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.
- */
-
-package examples;
-
-import com.google.caliper.Param;
-import com.google.caliper.Runner;
-import com.google.caliper.SimpleBenchmark;
-import com.google.common.collect.ImmutableList;
-import java.util.Collection;
-
-/**
- * Measures the various ways the JDK converts boxed Doubles to Strings.
- */
-public class BoxedDoubleToStringBenchmark extends SimpleBenchmark {
-
- @Param private Double d;
-
- // Expressing these as strings in the annotation parameter would be annoying
- // (and maybe not possible?)
- public static final Collection<Double> dValues = ImmutableList.of(
- Math.PI,
- -0.0d,
- Double.NEGATIVE_INFINITY,
- Double.NaN
- );
-
- public int timeStringFormat(int reps) {
- Double value = d;
- int dummy = 0;
- for (int i = 0; i < reps; i++) {
- dummy += String.format("%f", value).length();
- }
- return dummy;
- }
-
- public int timeToString(int reps) {
- Double value = d;
- int dummy = 0;
- for (int i = 0; i < reps; i++) {
- dummy += value.toString().length();
- }
- return dummy;
- }
-
- public int timeStringValueOf(int reps) {
- Double value = d;
- int dummy = 0;
- for (int i = 0; i < reps; i++) {
- dummy += String.valueOf(value).length();
- }
- return dummy;
- }
-
- public int timeQuoteTrick(int reps) {
- Double value = d;
- int dummy = 0;
- for (int i = 0; i < reps; i++) {
- dummy += ("" + value).length();
- }
- return dummy;
- }
-
- // TODO: remove this from all examples when IDE plugins are ready
- public static void main(String[] args) throws Exception {
- Runner.main(BoxedDoubleToStringBenchmark.class, args);
- }
-}
diff --git a/src/examples/CharacterBenchmark.java b/src/examples/CharacterBenchmark.java
deleted file mode 100644
index 1e013af..0000000
--- a/src/examples/CharacterBenchmark.java
+++ /dev/null
@@ -1,300 +0,0 @@
-/*
- * Copyright (C) 2009 Google Inc.
- *
- * 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.
- */
-
-package examples;
-
-import com.google.caliper.Param;
-import com.google.caliper.Runner;
-import com.google.caliper.SimpleBenchmark;
-
-/**
- * Tests various Character methods, intended for testing multiple
- * implementations against each other.
- */
-public class CharacterBenchmark extends SimpleBenchmark {
-
- @Param private CharacterSet characterSet;
-
- @Param private Overload overload;
-
- private char[] chars;
-
- @Override protected void setUp() throws Exception {
- this.chars = characterSet.chars;
- }
-
- public enum Overload { CHAR, INT }
-
- public enum CharacterSet {
- ASCII(128),
- UNICODE(65536);
- final char[] chars;
- CharacterSet(int size) {
- this.chars = new char[65536];
- for (int i = 0; i < 65536; ++i) {
- chars[i] = (char) (i % size);
- }
- }
- }
-
- // A fake benchmark to give us a baseline.
- public boolean timeIsSpace(int reps) {
- boolean dummy = false;
- if (overload == Overload.CHAR) {
- for (int i = 0; i < reps; ++i) {
- for (int ch = 0; ch < 65536; ++ch) {
- dummy ^= ((char) ch == ' ');
- }
- }
- } else {
- for (int i = 0; i < reps; ++i) {
- for (int ch = 0; ch < 65536; ++ch) {
- dummy ^= (ch == ' ');
- }
- }
- }
- return dummy;
- }
-
- public void timeDigit(int reps) {
- if (overload == Overload.CHAR) {
- for (int i = 0; i < reps; ++i) {
- for (int ch = 0; ch < 65536; ++ch) {
- Character.digit(chars[ch], 10);
- }
- }
- } else {
- for (int i = 0; i < reps; ++i) {
- for (int ch = 0; ch < 65536; ++ch) {
- Character.digit((int) chars[ch], 10);
- }
- }
- }
- }
-
- public void timeGetNumericValue(int reps) {
- if (overload == Overload.CHAR) {
- for (int i = 0; i < reps; ++i) {
- for (int ch = 0; ch < 65536; ++ch) {
- Character.getNumericValue(chars[ch]);
- }
- }
- } else {
- for (int i = 0; i < reps; ++i) {
- for (int ch = 0; ch < 65536; ++ch) {
- Character.getNumericValue((int) chars[ch]);
- }
- }
- }
- }
-
- public void timeIsDigit(int reps) {
- if (overload == Overload.CHAR) {
- for (int i = 0; i < reps; ++i) {
- for (int ch = 0; ch < 65536; ++ch) {
- Character.isDigit(chars[ch]);
- }
- }
- } else {
- for (int i = 0; i < reps; ++i) {
- for (int ch = 0; ch < 65536; ++ch) {
- Character.isDigit((int) chars[ch]);
- }
- }
- }
- }
-
- public void timeIsIdentifierIgnorable(int reps) {
- if (overload == Overload.CHAR) {
- for (int i = 0; i < reps; ++i) {
- for (int ch = 0; ch < 65536; ++ch) {
- Character.isIdentifierIgnorable(chars[ch]);
- }
- }
- } else {
- for (int i = 0; i < reps; ++i) {
- for (int ch = 0; ch < 65536; ++ch) {
- Character.isIdentifierIgnorable((int) chars[ch]);
- }
- }
- }
- }
-
- public void timeIsJavaIdentifierPart(int reps) {
- if (overload == Overload.CHAR) {
- for (int i = 0; i < reps; ++i) {
- for (int ch = 0; ch < 65536; ++ch) {
- Character.isJavaIdentifierPart(chars[ch]);
- }
- }
- } else {
- for (int i = 0; i < reps; ++i) {
- for (int ch = 0; ch < 65536; ++ch) {
- Character.isJavaIdentifierPart((int) chars[ch]);
- }
- }
- }
- }
-
- public void timeIsJavaIdentifierStart(int reps) {
- if (overload == Overload.CHAR) {
- for (int i = 0; i < reps; ++i) {
- for (int ch = 0; ch < 65536; ++ch) {
- Character.isJavaIdentifierStart(chars[ch]);
- }
- }
- } else {
- for (int i = 0; i < reps; ++i) {
- for (int ch = 0; ch < 65536; ++ch) {
- Character.isJavaIdentifierStart((int) chars[ch]);
- }
- }
- }
- }
-
- public void timeIsLetter(int reps) {
- if (overload == Overload.CHAR) {
- for (int i = 0; i < reps; ++i) {
- for (int ch = 0; ch < 65536; ++ch) {
- Character.isLetter(chars[ch]);
- }
- }
- } else {
- for (int i = 0; i < reps; ++i) {
- for (int ch = 0; ch < 65536; ++ch) {
- Character.isLetter((int) chars[ch]);
- }
- }
- }
- }
-
- public void timeIsLetterOrDigit(int reps) {
- if (overload == Overload.CHAR) {
- for (int i = 0; i < reps; ++i) {
- for (int ch = 0; ch < 65536; ++ch) {
- Character.isLetterOrDigit(chars[ch]);
- }
- }
- } else {
- for (int i = 0; i < reps; ++i) {
- for (int ch = 0; ch < 65536; ++ch) {
- Character.isLetterOrDigit((int) chars[ch]);
- }
- }
- }
- }
-
- public void timeIsLowerCase(int reps) {
- if (overload == Overload.CHAR) {
- for (int i = 0; i < reps; ++i) {
- for (int ch = 0; ch < 65536; ++ch) {
- Character.isLowerCase(chars[ch]);
- }
- }
- } else {
- for (int i = 0; i < reps; ++i) {
- for (int ch = 0; ch < 65536; ++ch) {
- Character.isLowerCase((int) chars[ch]);
- }
- }
- }
- }
-
- public void timeIsSpaceChar(int reps) {
- if (overload == Overload.CHAR) {
- for (int i = 0; i < reps; ++i) {
- for (int ch = 0; ch < 65536; ++ch) {
- Character.isSpaceChar(chars[ch]);
- }
- }
- } else {
- for (int i = 0; i < reps; ++i) {
- for (int ch = 0; ch < 65536; ++ch) {
- Character.isSpaceChar((int) chars[ch]);
- }
- }
- }
- }
-
- public void timeIsUpperCase(int reps) {
- if (overload == Overload.CHAR) {
- for (int i = 0; i < reps; ++i) {
- for (int ch = 0; ch < 65536; ++ch) {
- Character.isUpperCase(chars[ch]);
- }
- }
- } else {
- for (int i = 0; i < reps; ++i) {
- for (int ch = 0; ch < 65536; ++ch) {
- Character.isUpperCase((int) chars[ch]);
- }
- }
- }
- }
-
- public void timeIsWhitespace(int reps) {
- if (overload == Overload.CHAR) {
- for (int i = 0; i < reps; ++i) {
- for (int ch = 0; ch < 65536; ++ch) {
- Character.isWhitespace(chars[ch]);
- }
- }
- } else {
- for (int i = 0; i < reps; ++i) {
- for (int ch = 0; ch < 65536; ++ch) {
- Character.isWhitespace((int) chars[ch]);
- }
- }
- }
- }
-
- public void timeToLowerCase(int reps) {
- if (overload == Overload.CHAR) {
- for (int i = 0; i < reps; ++i) {
- for (int ch = 0; ch < 65536; ++ch) {
- Character.toLowerCase(chars[ch]);
- }
- }
- } else {
- for (int i = 0; i < reps; ++i) {
- for (int ch = 0; ch < 65536; ++ch) {
- Character.toLowerCase((int) chars[ch]);
- }
- }
- }
- }
-
- public void timeToUpperCase(int reps) {
- if (overload == Overload.CHAR) {
- for (int i = 0; i < reps; ++i) {
- for (int ch = 0; ch < 65536; ++ch) {
- Character.toUpperCase(chars[ch]);
- }
- }
- } else {
- for (int i = 0; i < reps; ++i) {
- for (int ch = 0; ch < 65536; ++ch) {
- Character.toUpperCase((int) chars[ch]);
- }
- }
- }
- }
-
- // TODO: remove this from all examples when IDE plugins are ready
- public static void main(String[] args) throws Exception {
- Runner.main(CharacterBenchmark.class, args);
- }
-}
diff --git a/src/examples/EnumSetContainsBenchmark.java b/src/examples/EnumSetContainsBenchmark.java
deleted file mode 100644
index b232514..0000000
--- a/src/examples/EnumSetContainsBenchmark.java
+++ /dev/null
@@ -1,92 +0,0 @@
-/*
- * Copyright (C) 2009 Google Inc.
- *
- * 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.
- */
-
-package examples;
-
-import com.google.caliper.Param;
-import com.google.caliper.Runner;
-import com.google.caliper.SimpleBenchmark;
-import java.util.EnumSet;
-import java.util.Set;
-
-/**
- * Measures EnumSet#contains().
- */
-public class EnumSetContainsBenchmark extends SimpleBenchmark {
-
- @Param private SetMaker setMaker;
-
- public enum SetMaker {
- ENUM_SET {
- @Override Set<?> newSet() {
- return EnumSet.allOf(RegularSize.class);
- }
- @Override Object[] testValues() {
- return new Object[] { RegularSize.E1, RegularSize.E2, RegularSize.E20,
- RegularSize.E39, RegularSize.E40, "A", LargeSize.E40, null };
- }
- },
- LARGE_ENUM_SET {
- @Override Set<?> newSet() {
- return EnumSet.allOf(LargeSize.class);
- }
- @Override Object[] testValues() {
- return new Object[] { LargeSize.E1, LargeSize.E63, LargeSize.E64,
- LargeSize.E65, LargeSize.E140, "A", RegularSize.E40, null };
- }
- };
-
- abstract Set<?> newSet();
- abstract Object[] testValues();
- }
-
- private enum RegularSize {
- E1, E2, E3, E4, E5, E6, E7, E8, E9, E10, E11, E12, E13, E14, E15, E16, E17,
- E18, E19, E20, E21, E22, E23, E24, E25, E26, E27, E28, E29, E30, E31, E32,
- E33, E34, E35, E36, E37, E38, E39, E40,
- }
-
- private enum LargeSize {
- E1, E2, E3, E4, E5, E6, E7, E8, E9, E10, E11, E12, E13, E14, E15, E16, E17,
- E18, E19, E20, E21, E22, E23, E24, E25, E26, E27, E28, E29, E30, E31, E32,
- E33, E34, E35, E36, E37, E38, E39, E40, E41, E42, E43, E44, E45, E46, E47,
- E48, E49, E50, E51, E52, E53, E54, E55, E56, E57, E58, E59, E60, E61, E62,
- E63, E64, E65, E66, E67, E68, E69, E70, E71, E72, E73, E74, E75, E76, E77,
- E78, E79, E80, E81, E82, E83, E84, E85, E86, E87, E88, E89, E90, E91, E92,
- E93, E94, E95, E96, E97, E98, E99, E100, E101, E102, E103, E104, E105, E106,
- E107, E108, E109, E110, E111, E112, E113, E114, E115, E116, E117, E118,
- E119, E120, E121, E122, E123, E124, E125, E126, E127, E128, E129, E130,
- E131, E132, E133, E134, E135, E136, E137, E138, E139, E140,
- }
-
- private Set<?> set;
- private Object[] testValues;
-
- @Override protected void setUp() {
- this.set = setMaker.newSet();
- this.testValues = setMaker.testValues();
- }
-
- public void timeContains(int reps) {
- for (int i = 0; i < reps; i++) {
- set.contains(testValues[i % testValues.length]);
- }
- }
-
- public static void main(String[] args) throws Exception {
- Runner.main(EnumSetContainsBenchmark.class, args);
- }
-}
diff --git a/src/examples/ExpensiveObjectsBenchmark.java b/src/examples/ExpensiveObjectsBenchmark.java
deleted file mode 100644
index ebff8e6..0000000
--- a/src/examples/ExpensiveObjectsBenchmark.java
+++ /dev/null
@@ -1,74 +0,0 @@
-/*
- * Copyright (C) 2009 Google Inc.
- *
- * 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.
- */
-
-package examples;
-
-import com.google.caliper.Runner;
-import com.google.caliper.SimpleBenchmark;
-import java.text.DecimalFormatSymbols;
-import java.text.NumberFormat;
-import java.text.SimpleDateFormat;
-import java.util.Locale;
-
-/**
- * Benchmarks creation and cloning various expensive objects.
- */
-@SuppressWarnings({"ResultOfObjectAllocationIgnored"}) // TODO: should fix!
-public class ExpensiveObjectsBenchmark extends SimpleBenchmark {
- public void timeNewDecimalFormatSymbols(int reps) {
- for (int i = 0; i < reps; ++i) {
- new DecimalFormatSymbols(Locale.US);
- }
- }
-
- public void timeClonedDecimalFormatSymbols(int reps) {
- DecimalFormatSymbols dfs = new DecimalFormatSymbols(Locale.US);
- for (int i = 0; i < reps; ++i) {
- dfs.clone();
- }
- }
-
- public void timeNewNumberFormat(int reps) {
- for (int i = 0; i < reps; ++i) {
- NumberFormat.getInstance(Locale.US);
- }
- }
-
- public void timeClonedNumberFormat(int reps) {
- NumberFormat nf = NumberFormat.getInstance(Locale.US);
- for (int i = 0; i < reps; ++i) {
- nf.clone();
- }
- }
-
- public void timeNewSimpleDateFormat(int reps) {
- for (int i = 0; i < reps; ++i) {
- new SimpleDateFormat();
- }
- }
-
- public void timeClonedSimpleDateFormat(int reps) {
- SimpleDateFormat sdf = new SimpleDateFormat();
- for (int i = 0; i < reps; ++i) {
- sdf.clone();
- }
- }
-
- // TODO: remove this from all examples when IDE plugins are ready
- public static void main(String[] args) throws Exception {
- Runner.main(ExpensiveObjectsBenchmark.class, args);
- }
-}
diff --git a/src/examples/FormatterBenchmark.java b/src/examples/FormatterBenchmark.java
deleted file mode 100644
index b4a0541..0000000
--- a/src/examples/FormatterBenchmark.java
+++ /dev/null
@@ -1,76 +0,0 @@
-/*
- * Copyright (C) 2009 Google Inc.
- *
- * 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.
- */
-
-package examples;
-
-import com.google.caliper.Runner;
-import com.google.caliper.SimpleBenchmark;
-import java.util.Formatter;
-
-/**
- * Compares Formatter against hand-written StringBuilder code.
- */
-public class FormatterBenchmark extends SimpleBenchmark {
- public void timeFormatter_NoFormatting(int reps) {
- for (int i = 0; i < reps; i++) {
- Formatter f = new Formatter();
- f.format("this is a reasonably short string that doesn't actually need any formatting");
- }
- }
-
- public void timeStringBuilder_NoFormatting(int reps) {
- for (int i = 0; i < reps; i++) {
- StringBuilder sb = new StringBuilder();
- sb.append("this is a reasonably short string that doesn't actually need any formatting");
- }
- }
-
- public void timeFormatter_OneInt(int reps) {
- for (int i = 0; i < reps; i++) {
- Formatter f = new Formatter();
- f.format("this is a reasonably short string that has an int %d in it", i);
- }
- }
-
- public void timeStringBuilder_OneInt(int reps) {
- for (int i = 0; i < reps; i++) {
- StringBuilder sb = new StringBuilder();
- sb.append("this is a reasonably short string that has an int ");
- sb.append(i);
- sb.append(" in it");
- }
- }
-
- public void timeFormatter_OneString(int reps) {
- for (int i = 0; i < reps; i++) {
- Formatter f = new Formatter();
- f.format("this is a reasonably short string that has a string %s in it", "hello");
- }
- }
-
- public void timeStringBuilder_OneString(int reps) {
- for (int i = 0; i < reps; i++) {
- StringBuilder sb = new StringBuilder();
- sb.append("this is a reasonably short string that has a string ");
- sb.append("hello");
- sb.append(" in it");
- }
- }
-
- public static void main(String[] args) throws Exception {
- Runner.main(FormatterBenchmark.class, args);
- }
-}
diff --git a/src/examples/IntModBenchmark.java b/src/examples/IntModBenchmark.java
deleted file mode 100644
index 55a119c..0000000
--- a/src/examples/IntModBenchmark.java
+++ /dev/null
@@ -1,94 +0,0 @@
-/*
- * Copyright (C) 2009 Google Inc.
- *
- * 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.
- */
-
-package examples;
-
-import com.google.caliper.Runner;
-import com.google.caliper.SimpleBenchmark;
-
-/**
- * Measures several candidate implementations for mod().
- */
-@SuppressWarnings("SameParameterValue")
-public class IntModBenchmark extends SimpleBenchmark {
- private static final int M = (1 << 16) - 1;
-
- public int timeConditional(int reps) {
- int dummy = 5;
- for (int i = 0; i < reps; i++) {
- dummy += Integer.MAX_VALUE + conditionalMod(dummy, M);
- }
- return dummy;
- }
-
- private static int conditionalMod(int a, int m) {
- int r = a % m;
- return r < 0 ? r + m : r;
- }
-
- public int timeDoubleRemainder(int reps) {
- int dummy = 5;
- for (int i = 0; i < reps; i++) {
- dummy += Integer.MAX_VALUE + doubleRemainderMod(dummy, M);
- }
- return dummy;
- }
-
- @SuppressWarnings("NumericCastThatLosesPrecision") // result of % by an int must be in int range
- private static int doubleRemainderMod(int a, int m) {
- return (int) ((a % m + (long) m) % m);
- }
-
- public int timeRightShiftingMod(int reps) {
- int dummy = 5;
- for (int i = 0; i < reps; i++) {
- dummy += Integer.MAX_VALUE + rightShiftingMod(dummy, M);
- }
- return dummy;
- }
-
- @SuppressWarnings("NumericCastThatLosesPrecision") // must be in int range
- private static int rightShiftingMod(int a, int m) {
- long r = a % m;
- return (int) (r + (r >> 63 & m));
- }
-
- public int timeLeftShiftingMod(int reps) {
- int dummy = 5;
- for (int i = 0; i < reps; i++) {
- dummy += Integer.MAX_VALUE + leftShiftingMod(dummy, M);
- }
- return dummy;
- }
-
- @SuppressWarnings("NumericCastThatLosesPrecision") // result of % by an int must be in int range
- private static int leftShiftingMod(int a, int m) {
- return (int) ((a + ((long) m << 32)) % m);
- }
-
- public int timeWrongMod(int reps) {
- int dummy = 5;
- for (int i = 0; i < reps; i++) {
- dummy += Integer.MAX_VALUE + dummy % M;
- }
- return dummy;
- }
-
- // TODO: remove this from all examples when IDE plugins are ready
- public static void main(String[] args) throws Exception {
- Runner.main(IntModBenchmark.class, args);
- }
-} \ No newline at end of file
diff --git a/src/examples/ListIterationBenchmark.java b/src/examples/ListIterationBenchmark.java
deleted file mode 100644
index a8cfb05..0000000
--- a/src/examples/ListIterationBenchmark.java
+++ /dev/null
@@ -1,73 +0,0 @@
-/*
- * Copyright (C) 2009 Google Inc.
- *
- * 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.
- */
-
-package examples;
-
-import com.google.caliper.Param;
-import com.google.caliper.Runner;
-import com.google.caliper.SimpleBenchmark;
-import java.util.AbstractList;
-import java.util.List;
-
-/**
- * Measures iterating through list elements.
- */
-public class ListIterationBenchmark extends SimpleBenchmark {
-
- @Param({"0", "10", "100", "1000"})
- private int length;
-
- private List<Object> list;
- private Object[] array;
-
- @Override protected void setUp() {
- array = new Object[length];
- for (int i = 0; i < length; i++) {
- array[i] = new Object();
- }
-
- list = new AbstractList<Object>() {
- @Override public int size() {
- return length;
- }
-
- @Override public Object get(int i) {
- return array[i];
- }
- };
- }
-
- @SuppressWarnings({"UnusedDeclaration"}) // TODO: fix
- public void timeListIteration(int reps) {
- for (int i = 0; i < reps; i++) {
- for (Object value : list) {
- }
- }
- }
-
- @SuppressWarnings({"UnusedDeclaration"}) // TODO: fix
- public void timeArrayIteration(int reps) {
- for (int i = 0; i < reps; i++) {
- for (Object value : array) {
- }
- }
- }
-
- // TODO: remove this from all examples when IDE plugins are ready
- public static void main(String[] args) throws Exception {
- Runner.main(ListIterationBenchmark.class, args);
- }
-} \ No newline at end of file
diff --git a/src/examples/LoopingBackwardsBenchmark.java b/src/examples/LoopingBackwardsBenchmark.java
deleted file mode 100644
index e98e5fc..0000000
--- a/src/examples/LoopingBackwardsBenchmark.java
+++ /dev/null
@@ -1,54 +0,0 @@
-/*
- * Copyright (C) 2010 Google Inc.
- *
- * 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.
- */
-
-package examples;
-
-import com.google.caliper.Param;
-import com.google.caliper.Runner;
-import com.google.caliper.SimpleBenchmark;
-
-/**
- * Testing the old canard that looping backwards is faster.
- *
- * @author Kevin Bourrillion
- */
-public class LoopingBackwardsBenchmark extends SimpleBenchmark {
- @Param({"2", "20", "2000", "20000000"}) int max;
-
- public int timeForwards(int reps) {
- int dummy = 0;
- for (int i = 0; i < reps; i++) {
- for (int j = 0; j < max; j++) {
- dummy += j;
- }
- }
- return dummy;
- }
-
- public int timeBackwards(int reps) {
- int dummy = 0;
- for (int i = 0; i < reps; i++) {
- for (int j = max - 1; j >= 0; j--) {
- dummy += j;
- }
- }
- return dummy;
- }
-
- public static void main(String[] args) throws Exception {
- Runner.main(LoopingBackwardsBenchmark.class, args);
- }
-}
diff --git a/src/examples/PrimitiveDoubleToStringBenchmark.java b/src/examples/PrimitiveDoubleToStringBenchmark.java
deleted file mode 100644
index d49a53d..0000000
--- a/src/examples/PrimitiveDoubleToStringBenchmark.java
+++ /dev/null
@@ -1,79 +0,0 @@
-/*
- * Copyright (C) 2009 Google Inc.
- *
- * 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.
- */
-
-package examples;
-
-import com.google.caliper.Param;
-import com.google.caliper.Runner;
-import com.google.caliper.SimpleBenchmark;
-import com.google.common.collect.ImmutableList;
-import java.util.Collection;
-
-/**
- * Measures the various ways the JDK converts primitive doubles to Strings.
- */
-public class PrimitiveDoubleToStringBenchmark extends SimpleBenchmark {
-
- @Param private double d;
-
- public static final Collection<Double> dValues = ImmutableList.of(
- Math.PI,
- -0.0d,
- Double.NEGATIVE_INFINITY,
- Double.NaN
- );
-
- public int timeStringFormat(int reps) {
- double value = d;
- int dummy = 0;
- for (int i = 0; i < reps; i++) {
- dummy += String.format("%f", value).length();
- }
- return dummy;
- }
-
- public int timeToString(int reps) {
- double value = d;
- int dummy = 0;
- for (int i = 0; i < reps; i++) {
- dummy += ((Double) value).toString().length();
- }
- return dummy;
- }
-
- public int timeStringValueOf(int reps) {
- double value = d;
- int dummy = 0;
- for (int i = 0; i < reps; i++) {
- dummy += String.valueOf(value).length();
- }
- return dummy;
- }
-
- public int timeQuoteTrick(int reps) {
- double value = d;
- int dummy = 0;
- for (int i = 0; i < reps; i++) {
- dummy = ("" + value).length();
- }
- return dummy;
- }
-
- // TODO: remove this from all examples when IDE plugins are ready
- public static void main(String[] args) throws Exception {
- Runner.main(PrimitiveDoubleToStringBenchmark.class, args);
- }
-} \ No newline at end of file
diff --git a/src/examples/SetContainsBenchmark.java b/src/examples/SetContainsBenchmark.java
deleted file mode 100644
index 4185d55..0000000
--- a/src/examples/SetContainsBenchmark.java
+++ /dev/null
@@ -1,171 +0,0 @@
-/*
- * Copyright (C) 2009 Google Inc.
- *
- * 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.
- */
-
-package examples;
-
-import com.google.caliper.Param;
-import com.google.caliper.Runner;
-import com.google.caliper.SimpleBenchmark;
-import com.google.common.collect.ImmutableSet;
-import java.util.Arrays;
-import java.util.Collection;
-import java.util.Collections;
-import java.util.HashSet;
-import java.util.LinkedHashSet;
-import java.util.Random;
-import java.util.Set;
-
-/**
- * A microbenchmark that tests the performance of contains() on various Set
- * implementations.
- *
- * @author Kevin Bourrillion
- */
-public class SetContainsBenchmark extends SimpleBenchmark {
- @Param private Impl impl;
-
- // So far, this is the best way to test various implementations
- public enum Impl {
- Hash {
- @Override Set<Integer> create(Collection<Integer> contents) {
- return new HashSet<Integer>(contents);
- }
- },
- LinkedHash {
- @Override Set<Integer> create(Collection<Integer> contents) {
- return new LinkedHashSet<Integer>(contents);
- }
- },
- UnmodHS {
- @Override Set<Integer> create(Collection<Integer> contents) {
- return Collections.unmodifiableSet(new HashSet<Integer>(contents));
- }
- },
- SyncHS {
- @Override Set<Integer> create(Collection<Integer> contents) {
- return Collections.synchronizedSet(new HashSet<Integer>(contents));
- }
- },
-
- // Kind of cheating here -- Caliper just happens to bundle Google Collections so I'm testing
- // this from it; this might not work at the command line since GC are jarjar'd for caliper.jar
- Immutable {
- @Override Set<Integer> create(Collection<Integer> contents) {
- return ImmutableSet.copyOf(contents);
- }
- };
-
- abstract Set<Integer> create(Collection<Integer> contents);
- }
-
- @Param private int size;
- public static final Collection<Integer> sizeValues = Arrays.asList(
- (1<<2) - 1,
- (1<<2),
- (1<<6) - 1,
- (1<<6),
- (1<<10) - 1,
- (1<<10),
- (1<<14) - 1,
- (1<<14),
- (1<<18) - 1,
- (1<<18)
- );
-
- // "" means no fixed seed
- @Param("") private SpecialRandom random;
-
- // the following must be set during setUp
- private Integer[] queries;
- private Set<Integer> setToTest;
-
- // Queries are just sequential integers. Since the contents of the set were
- // chosen randomly, this shouldn't cause any undue bias.
- @Override public void setUp() {
- this.queries = new Integer[size * 2];
- for (int i = 0; i < size * 2; i++) {
- queries[i] = i;
- }
- Collections.shuffle(Arrays.asList(queries), random);
-
- setToTest = impl.create(createData());
- }
-
- private Collection<Integer> createData() {
- Set<Integer> tempSet = new HashSet<Integer>(size * 3 / 2);
-
- // Choose 50% of the numbers between 0 and max to be in the set; thus we
- // are measuring performance of contains() when there is a 50% hit rate
- int max = size * 2;
- while (tempSet.size() < size) {
- tempSet.add(random.nextInt(max));
- }
- return tempSet;
- }
-
- public boolean timeContains(int reps) {
- // Paranoia: acting on hearsay that accessing fields might be slow
- // Should write a benchmark to test that!
- Set<Integer> set = setToTest;
- Integer[] queries = this.queries;
-
- // Allows us to use & instead of %, acting on hearsay that division operators (/%) are
- // disproportionately expensive; should test this too!
- int mask = Integer.highestOneBit(size * 2) - 1;
-
- boolean dummy = false;
- for (int i = 0; i < reps; i++) {
- dummy ^= set.contains(queries[i & mask]);
- }
- return dummy;
- }
-
- // TODO: remove this from all examples when IDE plugins are ready
- public static void main(String[] args) throws Exception {
- Runner.main(SetContainsBenchmark.class, args);
- }
-
-
- // Just an experiment with a slightly nicer way to create Randoms for benchies
-
- public static class SpecialRandom extends Random {
- public static SpecialRandom valueOf(String s) {
- return (s.length() == 0)
- ? new SpecialRandom()
- : new SpecialRandom(Long.parseLong(s));
- }
-
- private final boolean hasSeed;
- private final long seed;
-
- public SpecialRandom() {
- this.hasSeed = false;
- this.seed = 0;
- }
-
- public SpecialRandom(long seed) {
- super(seed);
- this.hasSeed = true;
- this.seed = seed;
- }
-
- @Override public String toString() {
- return hasSeed ? "(seed:" + seed : "(default seed)";
- }
-
- private static final long serialVersionUID = 0;
- }
-}
diff --git a/src/examples/StringBuilderBenchmark.java b/src/examples/StringBuilderBenchmark.java
deleted file mode 100644
index 35e34f7..0000000
--- a/src/examples/StringBuilderBenchmark.java
+++ /dev/null
@@ -1,133 +0,0 @@
-/*
- * Copyright (C) 2009 Google Inc.
- *
- * 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.
- */
-
-package examples;
-
-import com.google.caliper.Param;
-import com.google.caliper.Runner;
-import com.google.caliper.SimpleBenchmark;
-
-/**
- * Tests the performance of various StringBuilder methods.
- */
-public class StringBuilderBenchmark extends SimpleBenchmark {
-
- @Param({"1", "10", "100"}) private int length;
-
- public void timeAppendBoolean(int reps) {
- for (int i = 0; i < reps; ++i) {
- StringBuilder sb = new StringBuilder();
- for (int j = 0; j < length; ++j) {
- sb.append(true);
- }
- }
- }
-
- public void timeAppendChar(int reps) {
- for (int i = 0; i < reps; ++i) {
- StringBuilder sb = new StringBuilder();
- for (int j = 0; j < length; ++j) {
- sb.append('c');
- }
- }
- }
-
- public void timeAppendCharArray(int reps) {
- char[] chars = "chars".toCharArray();
- for (int i = 0; i < reps; ++i) {
- StringBuilder sb = new StringBuilder();
- for (int j = 0; j < length; ++j) {
- sb.append(chars);
- }
- }
- }
-
- public void timeAppendCharSequence(int reps) {
- CharSequence cs = "chars";
- for (int i = 0; i < reps; ++i) {
- StringBuilder sb = new StringBuilder();
- for (int j = 0; j < length; ++j) {
- sb.append(cs);
- }
- }
- }
-
- public void timeAppendDouble(int reps) {
- double d = 1.2;
- for (int i = 0; i < reps; ++i) {
- StringBuilder sb = new StringBuilder();
- for (int j = 0; j < length; ++j) {
- sb.append(d);
- }
- }
- }
-
- public void timeAppendFloat(int reps) {
- float f = 1.2f;
- for (int i = 0; i < reps; ++i) {
- StringBuilder sb = new StringBuilder();
- for (int j = 0; j < length; ++j) {
- sb.append(f);
- }
- }
- }
-
- public void timeAppendInt(int reps) {
- int n = 123;
- for (int i = 0; i < reps; ++i) {
- StringBuilder sb = new StringBuilder();
- for (int j = 0; j < length; ++j) {
- sb.append(n);
- }
- }
- }
-
- public void timeAppendLong(int reps) {
- long l = 123;
- for (int i = 0; i < reps; ++i) {
- StringBuilder sb = new StringBuilder();
- for (int j = 0; j < length; ++j) {
- sb.append(l);
- }
- }
- }
-
- public void timeAppendObject(int reps) {
- Object o = new Object();
- for (int i = 0; i < reps; ++i) {
- StringBuilder sb = new StringBuilder();
- for (int j = 0; j < length; ++j) {
- sb.append(o);
- }
- }
- }
-
- public void timeAppendString(int reps) {
- String s = "chars";
- for (int i = 0; i < reps; ++i) {
- StringBuilder sb = new StringBuilder();
- for (int j = 0; j < length; ++j) {
- sb.append(s);
- }
- }
- }
-
-
- // TODO: remove this from all examples when IDE plugins are ready
- public static void main(String[] args) throws Exception {
- Runner.main(StringBuilderBenchmark.class, args);
- }
-}
diff --git a/src/scripts/caliper b/src/scripts/caliper
deleted file mode 100644
index fb859a9..0000000
--- a/src/scripts/caliper
+++ /dev/null
@@ -1,8 +0,0 @@
-#!/bin/sh
-
-# rough
-
-export PATH=$PATH:$JAVA_HOME/bin
-base=`dirname $0`
-exec java -cp $base/lib/caliper-@VERSION@.jar:$CLASSPATH com.google.caliper.Runner $*
-
diff --git a/src/test/BrokenNoOpBenchmark.java b/src/test/BrokenNoOpBenchmark.java
deleted file mode 100644
index 95509fa..0000000
--- a/src/test/BrokenNoOpBenchmark.java
+++ /dev/null
@@ -1,34 +0,0 @@
-/**
- * Copyright (C) 2009 Google Inc.
- *
- * 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.
- */
-
-package test;
-
-import com.google.caliper.Runner;
-import com.google.caliper.SimpleBenchmark;
-
-/**
- * This fails with a runtime out of range error.
- */
-public class BrokenNoOpBenchmark extends SimpleBenchmark {
-
- public void timeNoOp(int reps) {
- for (int i = 0; i < reps; i++) {}
- }
-
- public static void main(String[] args) throws Exception {
- Runner.main(BrokenNoOpBenchmark.class, args);
- }
-}
diff --git a/src/test/BrokenSleepBenchmark.java b/src/test/BrokenSleepBenchmark.java
deleted file mode 100644
index 964cf1a..0000000
--- a/src/test/BrokenSleepBenchmark.java
+++ /dev/null
@@ -1,38 +0,0 @@
-/**
- * Copyright (C) 2009 Google Inc.
- *
- * 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.
- */
-
-package test;
-
-import com.google.caliper.Runner;
-import com.google.caliper.SimpleBenchmark;
-
-/**
- * Should fail with a measurement error.
- */
-public class BrokenSleepBenchmark extends SimpleBenchmark {
- // And look, IDEA tries to warn you
- @SuppressWarnings({"UnusedDeclaration", "UnusedParameters"})
- public void timeSleepOneSecond(int reps) {
- try {
- Thread.sleep(1000);
- } catch (InterruptedException ignored) {
- }
- }
-
- public static void main(String[] args) throws Exception {
- Runner.main(BrokenSleepBenchmark.class, args);
- }
-}
diff --git a/src/test/ErrorsInUserCodeTest.java b/src/test/ErrorsInUserCodeTest.java
deleted file mode 100644
index dbb9f88..0000000
--- a/src/test/ErrorsInUserCodeTest.java
+++ /dev/null
@@ -1,146 +0,0 @@
-/*
- * Copyright (C) 2009 Google Inc.
- *
- * 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.
- */
-
-package test;
-
-import com.google.caliper.Runner;
-import com.google.caliper.SimpleBenchmark;
-import com.google.caliper.UserException.AbstractBenchmarkException;
-import com.google.caliper.UserException.DoesntImplementBenchmarkException;
-import com.google.caliper.UserException.ExceptionFromUserCodeException;
-import com.google.caliper.UserException.NoParameterlessConstructorException;
-import junit.framework.TestCase;
-
-/**
- * Unit test covering common user mistakes.
- *
- * @author Kevin Bourrillion
- */
-public class ErrorsInUserCodeTest extends TestCase {
- private Runner runner;
-
- @Override protected void setUp() throws Exception {
- runner = new Runner();
- }
-
- public void testDidntSubclassAnything() {
- try {
- runner.run(NotABenchmark.class.getName());
- fail();
- } catch (DoesntImplementBenchmarkException expected) {
- }
- }
-
- static class NotABenchmark {
- public void timeSomething(int reps) {
- fail("" + reps);
- }
- }
-
-
- public void testAbstract() {
- try {
- runner.run(AbstractBenchmark.class.getName());
- fail();
- } catch (AbstractBenchmarkException expected) {
- }
- }
-
- abstract static class AbstractBenchmark extends SimpleBenchmark {
- public void timeSomething(int reps) {
- fail("" + reps);
- }
- }
-
-
- public void testNoSuitableConstructor() {
- try {
- runner.run(BadConstructorBenchmark.class.getName());
- fail();
- } catch (NoParameterlessConstructorException expected) {
- }
- }
-
- static class BadConstructorBenchmark extends SimpleBenchmark {
- BadConstructorBenchmark(String damnParam) {
- fail(damnParam);
- }
-
- public void timeSomething(int reps) {
- fail("" + reps);
- }
- }
-
-
- @SuppressWarnings("serial")
- static class SomeUserException extends RuntimeException {}
-
- private static void throwSomeUserException() {
- throw new SomeUserException();
- }
-
-
- public void testExceptionInInit() {
- try {
- runner.run(ExceptionInInitBenchmark.class.getName());
- fail();
- } catch (ExceptionFromUserCodeException expected) {
- }
- }
-
- static class ExceptionInInitBenchmark extends SimpleBenchmark {
- static {
- throwSomeUserException();
- }
-
- public void timeSomething(int reps) {
- fail("" + reps);
- }
- }
-
- public void testExceptionInConstructor() {
- try {
- runner.run(ExceptionInConstructorBenchmark.class.getName());
- fail();
- } catch (ExceptionFromUserCodeException expected) {
- }
- }
-
- static class ExceptionInConstructorBenchmark extends SimpleBenchmark {
- ExceptionInConstructorBenchmark() {
- throw new SomeUserException();
- }
-
- public void timeSomething(int reps) {
- fail("" + reps);
- }
- }
-
- // TODO: enable
- public void XXXtestExceptionInMethod() {
- try {
- new Runner().run(ExceptionInMethodBenchmark.class.getName());
- fail();
- } catch (ExceptionFromUserCodeException ignored) {
- }
- }
-
- static class ExceptionInMethodBenchmark extends SimpleBenchmark {
- public void timeSomething(int reps) {
- throw new SomeUserException();
- }
- }
-}
diff --git a/src/test/RunXmlTest.java b/src/test/RunXmlTest.java
deleted file mode 100644
index 6dd2b63..0000000
--- a/src/test/RunXmlTest.java
+++ /dev/null
@@ -1,51 +0,0 @@
-/*
- * Copyright (C) 2010 Google Inc.
- *
- * 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.
- */
-
-package test;
-
-import com.google.caliper.Run;
-import com.google.caliper.Scenario;
-import com.google.caliper.Xml;
-import com.google.common.collect.ImmutableMap;
-import java.io.ByteArrayInputStream;
-import java.io.ByteArrayOutputStream;
-import java.util.Date;
-import junit.framework.TestCase;
-
-public class RunXmlTest extends TestCase {
-
- public void testXmlRoundtrip() {
- Scenario a15dalvik = new Scenario(ImmutableMap.of(
- "foo", "A", "bar", "15", "vm", "dalvikvm"));
- Scenario b15dalvik = new Scenario(ImmutableMap.of(
- "foo", "B", "bar", "15", "vm", "dalvikvm"));
-
- Run toEncode = new Run(ImmutableMap.of(a15dalvik, 1200.1, b15dalvik, 1100.2),
- "examples.FooBenchmark", "A0:1F:CAFE:BABE", new Date());
- ByteArrayOutputStream bytesOut = new ByteArrayOutputStream();
- Xml.runToXml(toEncode, bytesOut);
-
- assertEquals("", new String(bytesOut.toByteArray()));
-
- // we don't validate the XML directly because it's a hassle to cope with arbitrary orderings of
- // an element's attributes
-
- ByteArrayInputStream bytesIn = new ByteArrayInputStream(bytesOut.toByteArray());
- Run decoded = Xml.runFromXml(bytesIn);
-
- assertEquals(toEncode, decoded);
- }
-}
diff --git a/src/test/SystemOutAndErrBenchmark.java b/src/test/SystemOutAndErrBenchmark.java
deleted file mode 100644
index df37d76..0000000
--- a/src/test/SystemOutAndErrBenchmark.java
+++ /dev/null
@@ -1,37 +0,0 @@
-/*
- * Copyright (C) 2010 Google Inc.
- *
- * 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.
- */
-
-package test;
-
-import com.google.caliper.SimpleBenchmark;
-import com.google.caliper.Runner;
-
-/**
- * Demonstrates that the benchmark can emit output without consequence.
- */
-public class SystemOutAndErrBenchmark extends SimpleBenchmark {
-
- public void timeSystemOutAndSystemErr(int reps) {
- for (int i = 0; i < reps; i++) {
- System.out.println("hello, out");
- System.err.println("hello, err");
- }
- }
-
- public static void main(String[] args) {
- Runner.main(SystemOutAndErrBenchmark.class, args);
- }
-}
diff --git a/src/test/ThreadSleepBenchmark.java b/src/test/ThreadSleepBenchmark.java
deleted file mode 100644
index bfb6c05..0000000
--- a/src/test/ThreadSleepBenchmark.java
+++ /dev/null
@@ -1,38 +0,0 @@
-/**
- * Copyright (C) 2009 Google Inc.
- *
- * 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.
- */
-
-package test;
-
-import com.google.caliper.Runner;
-import com.google.caliper.SimpleBenchmark;
-
-/**
- * If everything is working properly, this should report runtime very close to
- * 1ms.
- */
-public class ThreadSleepBenchmark extends SimpleBenchmark {
-
- public void timeSleep(int reps) {
- try {
- Thread.sleep(reps);
- } catch (InterruptedException ignored) {
- }
- }
-
- public static void main(String[] args) throws Exception {
- Runner.main(ThreadSleepBenchmark.class, args);
- }
-}
diff --git a/src/test/TracingBenchmark.java b/src/test/TracingBenchmark.java
deleted file mode 100644
index 2f1c077..0000000
--- a/src/test/TracingBenchmark.java
+++ /dev/null
@@ -1,63 +0,0 @@
-/*
- * Copyright (C) 2010 Google Inc.
- *
- * 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.
- */
-
-package test;
-
-import com.google.caliper.Benchmark;
-import com.google.caliper.TimedRunnable;
-import com.google.caliper.Runner;
-import java.util.Set;
-import java.util.Map;
-
-/**
- * Proof-of-concept of a decorating benchmark.
- */
-public class TracingBenchmark implements Benchmark {
-
- private final Benchmark delegate;
-
- public TracingBenchmark() {
- this.delegate = new ThreadSleepBenchmark();
- }
-
- public Set<String> parameterNames() {
- return delegate.parameterNames();
- }
-
- public Set<String> parameterValues(String parameterName) {
- return delegate.parameterValues(parameterName);
- }
-
- public TimedRunnable createBenchmark(Map<String, String> parameterValues) {
- final TimedRunnable benchmark = delegate.createBenchmark(parameterValues);
-
- return new TimedRunnable() {
- public Object run(int reps) throws Exception {
- // TODO: can we move the setup/tear down work out of the timed loop?
- Runtime.getRuntime().traceMethodCalls(true);
- try {
- return benchmark.run(reps);
- } finally {
- Runtime.getRuntime().traceMethodCalls(false);
- }
- }
- };
- }
-
- public static void main(String[] args) {
- Runner.main(TracingBenchmark.class);
- }
-}
diff --git a/src/tutorial/Tutorial.java b/src/tutorial/Tutorial.java
deleted file mode 100644
index 06e6e56..0000000
--- a/src/tutorial/Tutorial.java
+++ /dev/null
@@ -1,189 +0,0 @@
-/*
- * Copyright (C) 2009 Google Inc.
- *
- * 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.
- */
-
-package tutorial;
-
-import com.google.caliper.Param;
-import com.google.caliper.SimpleBenchmark;
-
-/**
- * Caliper tutorial. To run the example benchmarks in this file:
- * {@code CLASSPATH=... [caliper_home]/caliper tutorial.Tutorial.Benchmark1}
- *
- * @author Kevin Bourrillion
- */
-public class Tutorial {
-
- /*
- * We begin the Caliper tutorial with the simplest benchmark you can write.
- * We'd like to know how efficient the method System.nanoTime() is.
- *
- * Notice:
- *
- * - We write a class that extends com.google.caliper.SimpleBenchmark.
- * - It contains a public instance method whose name begins with 'time' and
- * and which accepts a single 'int reps' parameter.
- * - The body of the method simply executes the code we wish to measure,
- * 'reps' times.
- *
- * Example run:
- *
- * $ CLASSPATH=build/classes/test caliper tutorial.Tutorial.Benchmark1
- * [real-time results appear on this line]
- *
- * Summary report for tutorial.Tutorial$Benchmark1:
- *
- * Benchmark ns
- * --------- ---
- * NanoTime 233
- */
- public static class Benchmark1 extends SimpleBenchmark {
- public void timeNanoTime(int reps) {
- for (int i = 0; i < reps; i++) {
- System.nanoTime();
- }
- }
- }
-
- /*
- * Now let's compare two things: nanoTime() versus currentTimeMillis().
- * Notice:
- *
- * - We simply add another method, following the same rules as the first.
- *
- * Example run output:
- *
- * Benchmark ns
- * ----------------- ---
- * NanoTime 248
- * CurrentTimeMillis 118
- */
- public static class Benchmark2 extends SimpleBenchmark {
- public void timeNanoTime(int reps) {
- for (int i = 0; i < reps; i++) {
- System.nanoTime();
- }
- }
- public void timeCurrentTimeMillis(int reps) {
- for (int i = 0; i < reps; i++) {
- System.currentTimeMillis();
- }
- }
- }
-
- /*
- * Let's try iterating over a large array. This seems simple enough, but
- * there is a problem!
- */
- public static class Benchmark3 extends SimpleBenchmark {
- private final int[] array = new int[1000000];
-
- @SuppressWarnings("UnusedDeclaration") // IDEA tries to warn us!
- public void timeArrayIteration_BAD(int reps) {
- for (int i = 0; i < reps; i++) {
- for (int ignoreMe : array) {}
- }
- }
- }
-
- /*
- * Caliper reported that the benchmark above ran in 4 nanoseconds.
- *
- * Wait, what?
- *
- * How can it possibly iterate over a million zeroes in 4 ns!?
- *
- * It is very important to sanity-check benchmark results with common sense!
- * In this case, we're indeed getting a bogus result. The problem is that the
- * Java Virtual Machine is too smart: it detected the fact that the loop was
- * producing no actual result, so it simply compiled it right out. The method
- * never looped at all. To fix this, we need to use a dummy result value.
- *
- * Notice:
- *
- * - We simply change the 'time' method from 'void' to any return type we
- * wish. Then we return a value that can't be known without actually
- * performing the work, and thus we defeat the runtime optimizations.
- * - We're no longer timing *just* the code we want to be testing - our
- * result will now be inflated by the (small) cost of addition. This is an
- * unfortunate fact of life with microbenchmarking. In fact, we were
- * already inflated by the cost of an int comparison, "i < reps" as it was.
- *
- * With this change, Caliper should report a much more realistic value, more
- * on the order of an entire millisecond.
- */
- public static class Benchmark4 extends SimpleBenchmark {
- private final int[] array = new int[1000000];
-
- public int timeArrayIteration_fixed(int reps) {
- int dummy = 0;
- for (int i = 0; i < reps; i++) {
- for (int doNotIgnoreMe : array) {
- dummy += doNotIgnoreMe;
- }
- }
- return dummy; // framework ignores this, but it has served its purpose!
- }
- }
-
- /*
- * Now we'd like to know how various other *sizes* of arrays perform. We
- * don't want to have to cut and paste the whole benchmark just to provide a
- * different size. What we need is a parameter!
- *
- * When you run this benchmark the same way you ran the previous ones, you'll
- * now get an error: "No values provided for benchmark parameter 'size'".
- * You can provide the value requested at the command line like this:
- *
- * [caliper_home]/caliper tutorial.Tutorial.Benchmark5 -Dsize=100}
- *
- * You'll see output like this:
- *
- * Benchmark size ns
- * -------------- ---- ---
- * ArrayIteration 100 51
- *
- * Now that we've parameterized our benchmark, things are starting to get fun.
- * Try passing '-Dsize=10,100,1000' and see what happens!
- *
- * Benchmark size ns
- * -------------- ---- -----------------------------------
- * ArrayIteration 10 7 |
- * ArrayIteration 100 49 ||||
- * ArrayIteration 1000 477 ||||||||||||||||||||||||||||||
- *
- */
- public static class Benchmark5 extends SimpleBenchmark {
- @Param int size; // set automatically by framework
-
- private int[] array; // set by us, in setUp()
-
- @Override protected void setUp() {
- // @Param values are guaranteed to have been injected by now
- array = new int[size];
- }
-
- public int timeArrayIteration(int reps) {
- int dummy = 0;
- for (int i = 0; i < reps; i++) {
- for (int doNotIgnoreMe : array) {
- dummy += doNotIgnoreMe;
- }
- }
- return dummy;
- }
- }
-}