Example usage for com.google.common.base Stopwatch elapsed

Introduction

In this page you can find the example usage for com.google.common.base Stopwatch elapsed.

Prototype

@CheckReturnValue
public long elapsed(TimeUnit desiredUnit) 

Source Link

Document

Returns the current elapsed time shown on this stopwatch, expressed in the desired time unit, with any fraction rounded down.

Usage

From source file:de.unentscheidbar.csv2.ProfileMe.java

public static void main(String[] args) throws Exception {

    File gofile = new File("go");
    while (!gofile.exists()) {
        System.out.println("Waiting...");
        Thread.sleep(1000);/*  ww w . ja v  a  2s  .c  o m*/
    }
    double kibPerRun = csv.length() / 2048.0;
    System.out.println("go " + kibPerRun + " kib");
    while (gofile.exists()) {
        Stopwatch sw = Stopwatch.createStarted();
        long ops = operation();
        long micros = sw.elapsed(TimeUnit.MICROSECONDS);
        System.out.println("@" + ((ops * kibPerRun / micros) * 1_000_000 / 1024.0) + " mbps");
    }
    System.out.println("exiting");
}

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From source file:org.glowroot.sandbox.ui.TraceDaoDeletePerformanceMain.java

public static void main(String... args) throws Exception {
    Container container = Containers.createWithFileDb(new File("target"));
    container.executeAppUnderTest(GenerateTraces.class);
    int pendingWrites = container.getTraceService().getNumPendingCompleteTransactions();
    while (pendingWrites > 0) {
        logger.info("pending trace writes: {}", pendingWrites);
        Thread.sleep(1000);//from  ww  w  .j a  va2  s .  c  o m
        pendingWrites = container.getTraceService().getNumPendingCompleteTransactions();
    }
    File dbFile = new File("target/glowroot.h2.db");
    long dbSize = dbFile.length();
    logger.info("glowroot.h2.db: {} bytes", dbSize);
    Stopwatch stopwatch = Stopwatch.createStarted();
    container.getTraceService().deleteAll();
    logger.info("all traces deleted in: {} millis", stopwatch.elapsed(MILLISECONDS));
    logger.info("glowroot.h2.db: {} bytes", dbFile.length());
    container.close();
    logger.info("glowroot.h2.db: {} bytes", dbFile.length());
}

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From source file:ch.ethz.tik.graphgenerator.GraphGenerator.java

public static void main(String[] args) {
    Stopwatch stopwatch = Stopwatch.createStarted();
    Graph graph = generateGraph();//from w ww. j  a v a2  s .c  om
    stopwatch.elapsed(TimeUnit.MILLISECONDS);
    System.out.println("Reading and creating graph took: " + stopwatch);

    createExampleRoutes(graph);

    stopwatch = Stopwatch.createStarted();
    GraphSerializerUtil.serializeGraph(graph, SERIALIZED_FILE_GRAPH);
    stopwatch.elapsed(TimeUnit.MILLISECONDS);
    System.out.println("Serialized graph in " + stopwatch);
}

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From source file:org.glowroot.agent.embedded.repo.TraceDaoPerformanceMain.java

public static void main(String[] args) throws Exception {
    DataSource dataSource = new DataSource();
    ScheduledExecutorService scheduledExecutor = Executors.newSingleThreadScheduledExecutor();
    CappedDatabase cappedDatabase = new CappedDatabase(new File("glowroot.capped.db"), 1000000,
            scheduledExecutor, Ticker.systemTicker());
    TraceDao traceDao = new TraceDao(dataSource, cappedDatabase, mock(TransactionTypeDao.class),
            mock(FullQueryTextDao.class), mock(TraceAttributeNameDao.class));

    Stopwatch stopwatch = Stopwatch.createStarted();
    for (int i = 0; i < 1000; i++) {
        traceDao.store(TraceTestData.createTraceReader());
    }//from  w  ww.j  a  va2 s . co  m
    logger.info("elapsed time: {}", stopwatch.elapsed(MILLISECONDS));
}

---

From source file:com.google.devtools.build.android.AndroidResourceParsingAction.java

public static void main(String[] args) throws Exception {
    OptionsParser optionsParser = OptionsParser.newOptionsParser(Options.class);
    optionsParser.parseAndExitUponError(args);
    Options options = optionsParser.getOptions(Options.class);

    Preconditions.checkNotNull(options.primaryData);
    Preconditions.checkNotNull(options.output);

    final Stopwatch timer = Stopwatch.createStarted();
    ParsedAndroidData parsedPrimary = ParsedAndroidData.from(options.primaryData);
    logger.fine(String.format("Walked XML tree at %dms", timer.elapsed(TimeUnit.MILLISECONDS)));
    UnwrittenMergedAndroidData unwrittenData = UnwrittenMergedAndroidData.of(null, parsedPrimary,
            ParsedAndroidData.from(ImmutableList.<DependencyAndroidData>of()));
    AndroidDataSerializer serializer = AndroidDataSerializer.create();
    unwrittenData.serializeTo(serializer);
    serializer.flushTo(options.output);//from  w  w  w .  j a  va  2s  .c o m
    logger.fine(String.format("Finished parse + serialize in %dms", timer.elapsed(TimeUnit.MILLISECONDS)));
}

---

From source file:it.itsoftware.chartx.kafka.tests.TickProducerMain.java

public static void main(String[] args) {

    String topic = "ticks";
    TickSource source = new SimulatedSmartTickSource(10, 100, 10);
    ((SimulatedSmartTickSource) source).randomize();
    KafkaTickProducer producer = new KafkaTickProducer(source, topic, KafkaTickProducer.defaultProperties());
    int nMessages = 25;
    boolean asyncSend = true;
    int executionTime = 15 * 60; // time in seconds for data production

    Stopwatch exitTimer = Stopwatch.createStarted();
    ScheduledExecutorService executor = Executors.newScheduledThreadPool(1);
    Runnable writeProcess = () -> {
        if (exitTimer.elapsed(TimeUnit.SECONDS) > executionTime) {
            logger.info("Timeout reached, shutting down producer");
            producer.close();/* w w w . ja v  a  2  s. c o m*/
            executor.shutdown();
            return;
        }
        logger.info("Producing " + nMessages + " messages.");
        Stopwatch timer = Stopwatch.createStarted();
        if (asyncSend) {
            producer.produceAsync(nMessages);
        } else {
            producer.produceSync(nMessages);
        }
        logger.info("Sent in " + (timer.elapsed(TimeUnit.MICROSECONDS) / 1000.0d) + "ms");
    };

    int initialDelay = 0;
    int period = 1000;
    executor.scheduleAtFixedRate(writeProcess, initialDelay, period, TimeUnit.MILLISECONDS);

}

---

From source file:org.glowroot.agent.fat.storage.TraceDaoPerformanceMain.java

public static void main(String... args) throws Exception {
    DataSource dataSource = new DataSource();
    CappedDatabase cappedDatabase = new CappedDatabase(new File("glowroot.capped.db"), 1000000,
            Ticker.systemTicker());//w  w w  . ja  v  a2 s  .c om
    TraceDao traceDao = new TraceDao(dataSource, cappedDatabase, mock(TransactionTypeDao.class));

    Stopwatch stopwatch = Stopwatch.createStarted();
    for (int i = 0; i < 1000; i++) {
        Trace trace = TraceTestData.createTrace();
        traceDao.collect(SERVER_ID, trace);
    }
    logger.info("elapsed time: {}", stopwatch.elapsed(MILLISECONDS));
}

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From source file:com.doctor.getting_started.UsingJava8BetterByUseMethodReference.java

public static void main(String[] args) {
    ExecutorService executor = Executors.newCachedThreadPool();
    int ringBufferSize = 1024;

    Disruptor<LongEvent> disruptor = new Disruptor<>(LongEvent::new, ringBufferSize, executor);
    disruptor.handleEventsWith(UsingJava8BetterByUseMethodReference::onEvent);
    disruptor.start();/*from   ww w.  j a  v a  2 s  .co  m*/

    ByteBuffer buffer = ByteBuffer.allocate(8);

    Stopwatch stopwatch = Stopwatch.createStarted();

    for (long i = 0; i < 10; i++) {
        buffer.putLong(0, i);
        disruptor.publishEvent(UsingJava8BetterByUseMethodReference::translateTo, buffer);
    }

    long elapsed = stopwatch.elapsed(TimeUnit.MICROSECONDS);
    System.out.println("elapsed:" + elapsed);
    stopwatch.stop();

    disruptor.shutdown();
    executor.shutdown();
}

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From source file:com.jejking.hh.nord.app.CreateSpatialDrucksachenRepository.java

/**
 * Runs the main importer logic. Supply two parameters: directory where
 * the Neo4j database is located, directory where the serialised {@link RawDrucksache}
 * instances are to be found, each in its own file.
 * /*www  .j a  v  a  2s  . com*/
 * @param args
 */
public static void main(String[] args) {
    Stopwatch stopwatch = Stopwatch.createStarted();
    GraphDatabaseService graph = new GraphDatabaseFactory().newEmbeddedDatabase(args[0]);
    registerShutdownHook(graph);
    System.out.println("Started graph database after " + stopwatch.elapsed(TimeUnit.SECONDS) + " seconds");

    DrucksachenGazetteerKeywordMatcherFactory matcherFactory = new DrucksachenGazetteerKeywordMatcherFactory();
    ImmutableMap<String, DrucksachenGazetteerKeywordMatcher> matchersMap = matcherFactory
            .createKeywordMatchersFromGazetteer(graph,
                    ImmutableList.of(GazetteerEntryTypes.NAMED_AREA, GazetteerEntryTypes.STREET,
                            GazetteerEntryTypes.SCHOOL, GazetteerEntryTypes.HOSPITAL,
                            GazetteerEntryTypes.CINEMA, GazetteerEntryTypes.UNIVERSITY));

    ImportAndMatch importer = new ImportAndMatch(matchersMap);
    System.out.println("Initialised matchers after " + stopwatch.elapsed(TimeUnit.SECONDS) + " seconds");

    importer.createDrucksachenIndexes(graph);
    System.out.println(
            "Created indexes for Drucksachen after " + stopwatch.elapsed(TimeUnit.SECONDS) + " seconds");

    File drucksachenDirectory = new File(args[1]);
    importer.writeToNeo(Arrays.asList(drucksachenDirectory.listFiles()), graph);
    System.out.println("Completed import after " + stopwatch.elapsed(TimeUnit.SECONDS) + " seconds");
}

---

From source file:com.google.cloud.genomics.gatk.htsjdk.SamReaderExample.java

public static void main(String[] args) {
    try {/* w  w  w.j a v a2s . c  o m*/
        SamReaderFactory factory = SamReaderFactory.makeDefault();

        // If it was a file, we would open like so:
        // factory.open(new File("~/testdata/htsjdk/samtools/uncompressed.sam"));
        // For API access we use SamInputResource constructed from a URL:
        SamReader reader = factory.open(SamInputResource.of(new URL(GA4GH_URL)));

        Stopwatch timer = Stopwatch.createStarted();
        int processedReads = 0;
        for (@SuppressWarnings("unused")
        final SAMRecord samRecord : reader) {
            processedReads++;
        }
        final long elapsed = timer.elapsed(TimeUnit.MILLISECONDS);
        if (processedReads > 0 && elapsed > 0) {
            System.out.println("Processed " + processedReads + " reads in " + timer + ". Speed: "
                    + (processedReads * 1000) / elapsed + " reads/sec");
        } else {
            System.out.println("Nothing processed or not enough reads for timing stats.");
        }
        reader.close();
    } catch (MalformedURLException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }
}

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