예제 #1
0
  public static void main(String[] args) throws IOException {
    WordCounter wordCounter = new WordCounter();
    Folder folder = Folder.fromDirectory(new File(args[0]));

    final int repeatCount = Integer.decode(args[2]);
    long counts;
    long startTime;
    long stopTime;

    long[] singleThreadTimes = new long[repeatCount];
    long[] forkedThreadTimes = new long[repeatCount];

    for (int i = 0; i < repeatCount; i++) {
      startTime = System.currentTimeMillis();
      counts = wordCounter.countOccurrencesOnSingleThread(folder, args[1]);
      stopTime = System.currentTimeMillis();
      singleThreadTimes[i] = (stopTime - startTime);
      System.out.println(counts + " , single thread search took " + singleThreadTimes[i] + "ms");
    }

    for (int i = 0; i < repeatCount; i++) {
      startTime = System.currentTimeMillis();
      counts = wordCounter.countOccurrencesInParallel(folder, args[1]);
      stopTime = System.currentTimeMillis();
      forkedThreadTimes[i] = (stopTime - startTime);
      System.out.println(counts + " , fork / join search took " + forkedThreadTimes[i] + "ms");
    }

    System.out.println("\nCSV Output:\n");
    System.out.println("Single thread,Fork/Join");
    for (int i = 0; i < repeatCount; i++) {
      System.out.println(singleThreadTimes[i] + "," + forkedThreadTimes[i]);
    }
    System.out.println();
  }
예제 #2
0
 static Folder fromDirectory(File dir) throws IOException {
   List<Document> documents = new LinkedList<>();
   List<Folder> subFolders = new LinkedList<>();
   for (File entry : dir.listFiles()) {
     if (entry.isDirectory()) {
       subFolders.add(Folder.fromDirectory(entry));
     } else {
       documents.add(Document.fromFile(entry));
     }
   }
   return new Folder(subFolders, documents);
 }