/
TrainingTimeBenchmark.java
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/
TrainingTimeBenchmark.java
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package experiments;
import application.Application;
import classifiers.TimeSeriesClassifier;
import datasets.DatasetLoader;
import datasets.Sequences;
import datasets.TimeSeriesDatasets;
import multiThreading.BenchmarkTask;
import multiThreading.MultiThreadedTask;
import results.ClassificationResults;
import results.TrainingClassificationResults;
import utils.StrLong;
import java.util.*;
import java.util.concurrent.Callable;
import static application.Application.extractArguments;
import static utils.GenericTools.doTimeNs;
import static utils.GenericTools.println;
public class TrainingTimeBenchmark {
static String moduleName = "TrainingTimeBenchmark";
private static final String[] testArgs = new String[]{
"-problem=ECGFiveDays",
"-classifier=UltraFastLCSSGlobal",
"-paramId=-1",
"-cpu=1",
"-verbose=1",
"-iter=0",
"-retrain=true",
"-eval=false",
};
public static void main(String[] args) throws Exception {
final long startTime = System.nanoTime();
args = testArgs;
extractArguments(args);
if (Application.problem.equals(""))
Application.problem = "Trace";
Application.printSummary(moduleName);
switch (Application.problem) {
case "all":
if (Application.numThreads == 1) {
StrLong[] datasetOps = TimeSeriesDatasets.allDatasetOperations;
Arrays.sort(datasetOps);
for (int i = datasetOps.length-1; i >= 0; i--) {
StrLong a = datasetOps[i];
singleRun(a.str);
Application.outputPath = null;
}
break;
}
case "small":
if (Application.numThreads == 1) {
StrLong[] datasetOps = TimeSeriesDatasets.smallDatasetOperations;
Arrays.sort(datasetOps);
for (int i = datasetOps.length-1; i >= 0; i--) {
StrLong a = datasetOps[i];
singleRun(a.str);
Application.outputPath = null;
}
break;
}
String[] datasets;
StrLong[] datasetOps;
if (Application.problem.equals("small")) {
datasets = TimeSeriesDatasets.smallDatasets;
datasetOps = TimeSeriesDatasets.smallDatasetOperations;
} else {
datasets = TimeSeriesDatasets.allDatasets;
datasetOps = TimeSeriesDatasets.allDatasetOperations;
}
Arrays.sort(datasetOps);
long totalOp = 0;
for (StrLong s : datasetOps) totalOp += s.value;
println("[" + moduleName + "] Number of datasets: " + datasets.length);
println("[" + moduleName + "] Total operations: " + totalOp);
ArrayList<String> myList = new ArrayList<>();
Collections.addAll(myList, datasets);
Collections.shuffle(myList, new Random(42));
// Setup parallel training tasks
int numThreads = Application.numThreads;
if (numThreads <= 0) numThreads = Runtime.getRuntime().availableProcessors();
numThreads = Math.min(numThreads, Runtime.getRuntime().availableProcessors());
long operationPerThread = totalOp / numThreads;
println("[" + moduleName + "] Number of threads: " + numThreads);
println("[" + moduleName + "] Operations per thread: " + operationPerThread);
final MultiThreadedTask parallelTasks = new MultiThreadedTask(numThreads);
List<Callable<Integer>> tasks = new ArrayList<>();
ArrayList<String>[] subset = new ArrayList[numThreads];
for (int i = 0; i < numThreads; i++)
subset[i] = new ArrayList<>();
int threadCount = 0;
for (StrLong s : datasetOps) {
subset[threadCount].add(s.str);
threadCount++;
if (threadCount == numThreads) threadCount = 0;
}
for (int i = 0; i < numThreads; i++) {
String[] tmp = new String[subset[i].size()];
for (int j = 0; j < subset[i].size(); j++) {
tmp[j] = subset[i].get(subset[i].size() - j - 1);
}
tasks.add(new BenchmarkTask(tmp, i));
}
MultiThreadedTask.invokeParallelTasks(tasks, parallelTasks);
parallelTasks.getExecutor().shutdown();
break;
case "test":
quickTest();
break;
default:
singleRun(Application.problem);
break;
}
final long endTime = System.nanoTime();
println("[" + moduleName + "] Total time taken " + doTimeNs(endTime - startTime));
}
/**
* Single run of the experiments
*/
private static void singleRun(String problem) throws Exception {
if (Application.outputPath == null) {
if (Application.paramId > 0)
Application.outputPath = System.getProperty("user.dir") +
"/outputs/benchmark/" +
Application.classifierName + "_" +
Application.paramId + "/" +
Application.iteration + "/" +
problem + "/";
else
Application.outputPath = System.getProperty("user.dir") +
"/outputs/benchmark/" +
Application.classifierName + "/" +
Application.iteration + "/" +
problem + "/";
}
if (!Application.retrain && Application.isDatasetDone(Application.outputPath))
return;
DatasetLoader loader = new DatasetLoader();
Sequences trainData = loader.readUCRTrain(problem, Application.datasetPath, Application.znorm).reorderClassLabels(null);
trainData.summary();
TimeSeriesClassifier classifier = Application.initTSC(trainData);
println(classifier);
TrainingClassificationResults trainingResults = classifier.fit(trainData);
trainingResults.problem = problem;
println("[" + moduleName + "]" + trainingResults);
println(classifier);
double totalTime = trainingResults.elapsedTimeNanoSeconds;
if (Application.doEvaluation) {
Sequences testData = loader.readUCRTest(problem, Application.datasetPath, Application.znorm).reorderClassLabels(trainData.getInitialClassLabels());
testData.summary();
ClassificationResults classificationResults = classifier.evaluate(testData);
testData.summary();
classificationResults.problem = problem;
println("[" + moduleName + "]" + classificationResults);
totalTime += classificationResults.elapsedTimeNanoSeconds;
Application.saveResults(
Application.outputPath,
trainingResults,
classificationResults);
} else {
Application.saveResults(
Application.outputPath,
trainingResults);
}
println("Total time taken " + totalTime);
}
private static void quickTest() throws Exception {
/**
* A quick test for speed and making sure the paramIDs are correct
*/
String[] problems = new String[]{
"ArrowHead",
"ECG200",
"ShapeletSim",
"MiddlePhalanxTW",
"Chinatown",
"BME",
"Beef",
"BeetleFly",
"GunPointOldVersusYoung",
"FaceFour",
"GunPoint",
"MedicalImages",
"OSULeaf",
"GunPointMaleVersusFemale",
"SwedishLeaf",
"Adiac",
"CricketX",
"CricketY",
"CricketZ",
"FiftyWords",
"ChlorineConcentration",
"Computers",
};
int[] bestParams = new int[]{
0,
0,
3,
3,
0,
4,
0,
7,
4,
2,
0,
20,
7,
0,
2,
3,
10,
17,
5,
6,
0,
12,
};
int passed = 0;
for (int i = 0; i < problems.length; i++) {
String problem = problems[i];
int bestParam = bestParams[i];
if (Application.outputPath == null) {
if (Application.paramId > 0)
Application.outputPath = System.getProperty("user.dir") +
"/outputs/benchmark (test)/" +
Application.classifierName + "_" +
Application.paramId + "/" +
Application.iteration + "/" +
problem + "/";
else
Application.outputPath = System.getProperty("user.dir") +
"/outputs/benchmark (test)/" +
Application.classifierName + "/" +
Application.iteration + "/" +
problem + "/";
}
System.out.print("[" + moduleName + "] Problem=" + problem);
DatasetLoader loader = new DatasetLoader();
Sequences trainData = loader.readUCRTrain(problem, Application.datasetPath, Application.znorm);
println(", Length=" + trainData.length());
TimeSeriesClassifier classifier = Application.initTSC(trainData);
TrainingClassificationResults trainingResults = classifier.fit(trainData);
trainingResults.problem = problem;
if (bestParam == trainingResults.paramId) {
println("[" + moduleName + "] " + problem + " passed, time: " + trainingResults.elapsedTimeMilliSeconds);
passed++;
} else {
println("[" + moduleName + "] " + problem + " failed, " + bestParam + " vs " +
trainingResults.paramId + "(" + (Math.ceil(100.0 * trainingResults.paramId / trainData.length())) +
")" + ", time: " + trainingResults.elapsedTimeMilliSeconds);
}
}
println(passed + " out of " + problems.length + " passed!");
}
}