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

List of usage examples for com.google.common.base Stopwatch createStarted

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Introduction

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

Prototype

@CheckReturnValue
public static Stopwatch createStarted()

Source Link

Document

Creates (and starts) a new stopwatch using System#nanoTime as its time source.

Usage

From source file:org.grouplens.lenskit.cli.GlobalRecommend.java

@Override
public void execute() throws IOException, RecommenderBuildException {
    LenskitRecommenderEngine engine = loader.loadEngine();

    List<Long> items = options.get("items");
    final int n = options.getInt("num_recs");

    LenskitRecommender rec = engine.createRecommender();
    GlobalItemRecommender irec = rec.getGlobalItemRecommender();
    ItemNameDAO indao = rec.get(ItemNameDAO.class);
    if (irec == null) {
        logger.error("recommender has no global recommender");
        throw new UnsupportedOperationException("no global recommender");
    }/*from w  w  w . j  a v  a2  s .  com*/

    logger.info("using {} reference items", items.size());
    Symbol pchan = getPrintChannel();
    Stopwatch timer = Stopwatch.createStarted();

    List<ScoredId> recs = irec.globalRecommend(LongUtils.packedSet(items), n);
    for (ScoredId item : recs) {
        System.out.format("%d", item.getId());
        if (indao != null) {
            System.out.format(" (%s)", indao.getItemName(item.getId()));
        }
        System.out.format(": %.3f", item.getScore());
        if (pchan != null && item.hasUnboxedChannel(pchan)) {
            System.out.format(" (%f)", item.getUnboxedChannelValue(pchan));
        }
        System.out.println();
    }

    timer.stop();
    logger.info("recommended in {}", timer);
}

From source file:io.mandrel.worker.Barrier.java

public void passOrWait(Long consumedSize) {
    Stopwatch stopwatch = Stopwatch.createStarted();
    pagePageRateBucket.consume();/* w  ww.  ja v  a 2s. co  m*/

    if (consumedSize != null) {
        bandwidthBucket.consume(consumedSize.longValue());
    }

    long elapsed = stopwatch.stop().elapsed(TimeUnit.SECONDS);

    if (politeness.getWait() > 0 && politeness.getWait() > elapsed) {
        Uninterruptibles.sleepUninterruptibly(politeness.getWait() - elapsed, TimeUnit.SECONDS);
    }
}

From source file:com.fireball1725.firelib.FireMod.java

@Mod.EventHandler
public final void init(FMLInitializationEvent event) {
    final Stopwatch stopwatch = Stopwatch.createStarted();
    this.getLogger().info("Initialization (Started)");

    proxy().initStart(event);//from   w  w w  .j a  va  2s . c o m
    proxy().registerCapabilities();
    proxy().registerEventHandlers();
    proxy().initEnd(event);

    this.getLogger().info("Initialization (Ended after " + stopwatch.elapsed(TimeUnit.MILLISECONDS) + "ms)");
}

From source file:org.locationtech.geogig.plumbing.index.BuildIndexOp.java

@Override
protected RevTree _call() {
    checkState(index != null, "index to update was not provided");
    checkState(oldCanonicalTree != null, "old canonical version of the tree was not provided");
    checkState(newCanonicalTree != null, "new canonical version of the tree was not provided");
    checkState(revFeatureTypeId != null, "FeatureType id was not provided");

    final RevTreeBuilder builder = resolveTreeBuilder();
    final PreOrderDiffWalk.Consumer builderConsumer = resolveConsumer(builder);

    boolean preserveIterationOrder = true;
    final ObjectDatabase canonicalStore = objectDatabase();
    PreOrderDiffWalk walk = new PreOrderDiffWalk(oldCanonicalTree, newCanonicalTree, canonicalStore,
            canonicalStore, preserveIterationOrder);

    final ProgressListener progress = getProgressListener();
    final Stopwatch dagTime = Stopwatch.createStarted();
    walk.walk(builderConsumer);//from  w  ww.  ja  v  a2 s  .  c  o  m
    dagTime.stop();

    if (progress.isCanceled()) {
        return null;
    }

    progress.setDescription(String.format("Index updated in %s. Building final tree...", dagTime));

    final Stopwatch revTreeTime = Stopwatch.createStarted();
    RevTree indexTree;
    try {
        indexTree = builder.build();
    } catch (Exception e) {
        e.printStackTrace();
        throw Throwables.propagate(Throwables.getRootCause(e));
    }
    revTreeTime.stop();
    indexDatabase().addIndexedTree(index, newCanonicalTree.getId(), indexTree.getId());
    progress.setDescription(
            String.format("QuadTree created. Size: %,d, time: %s", indexTree.size(), revTreeTime));

    progress.complete();

    return indexTree;

}

From source file:com.dssmp.agent.tailing.AsyncPublisher.java

/**
 * @param timeout Use a value {@code <= 0} to wait indefinitely.
 * @param unit/*from w  w  w.  j a  va  2  s  .  co m*/
 * @return {@code true} if idle state was reached before the timeout
 *         expired, or {@code false} if idle state was not successfully
 *         reached.
 */
public boolean waitForIdle(long timeout, TimeUnit unit) {
    Stopwatch timer = Stopwatch.createStarted();
    while (!isIdle()) {
        long remaining = timeout > 0 ? (unit.toMillis(timeout) - timer.elapsed(TimeUnit.MILLISECONDS))
                : Long.MAX_VALUE;
        if (remaining <= 0)
            return false;
        long sleepTime = Math.min(MAX_SPIN_WAIT_TIME_MILLIS, remaining);
        logger.trace("{}: Waiting for idle state. Sleeping {}ms. {}", name(), sleepTime, toString());
        // Perform a check on any pending records in case it's time to publish them before sleeping
        queue.checkPendingRecords();
        try {
            Thread.sleep(sleepTime);
        } catch (InterruptedException e) {
            // No need to make this method interruptible. Just return false signifying timeout.
            Thread.currentThread().interrupt();
            logger.trace("{}: Thread interrupted.", name(), e);
            return false;
        }
    }
    return true;
}

From source file:org.hyperledger.perftest.SendTransactionThroughputMeasure.java

private List<Long> measureSingleThreaded() throws Exception {
    List<Long> results = new ArrayList<>(getRounds());
    for (int i = 0; i < getRounds(); i++) {
        System.out.println("Measuring round " + i);
        List<Transaction> txsForOneRound = txs.get(i);
        System.gc();/*from   ww w . j a v  a  2 s.c om*/
        System.gc();
        System.gc();
        System.gc();
        System.gc();
        Stopwatch watch = Stopwatch.createStarted();
        for (Transaction tx : txsForOneRound) {
            api.sendTransaction(tx);
        }
        watch.stop();
        results.add(watch.elapsed(TimeUnit.MILLISECONDS));
    }
    return results;
}

From source file:org.opendaylight.controller.cluster.datastore.jmx.mbeans.shard.ShardStats.java

private OnDemandRaftState getOnDemandRaftState() {
    String name = getShardName();
    OnDemandRaftState state = onDemandRaftStateCache.getIfPresent(name);
    if (state == null) {
        statRetrievalError = null;//  w w  w  .  jav  a 2s  . co m
        statRetrievalTime = null;

        if (shard != null) {
            Timeout timeout = new Timeout(10, TimeUnit.SECONDS);
            try {
                Stopwatch timer = Stopwatch.createStarted();

                state = (OnDemandRaftState) Await.result(
                        Patterns.ask(shard.getSelf(), GetOnDemandRaftState.INSTANCE, timeout),
                        timeout.duration());

                statRetrievalTime = timer.stop().toString();
                onDemandRaftStateCache.put(name, state);
            } catch (Exception e) {
                statRetrievalError = e.toString();
            }
        }

        state = state != null ? state : OnDemandRaftState.builder().build();
    }

    return state;
}

From source file:es.usc.citius.composit.wsc08.data.knowledge.WSCXMLKnowledgeBase.java

private void initialize() {
    // Load all superclasses, subclasses and instances
    logger.debug("Initializing WSCXMLKnowledgeBase (root concept {})", taxonomy.getConcept().getID());
    Stopwatch stopwatch = Stopwatch.createStarted();
    populate(taxonomy.getConcept());/*from   www  . ja  v a 2  s .  c om*/
    logger.debug("Knowledge base created in {}. Total concepts {}.", stopwatch.stop().toString(),
            conceptID.keySet().size());

}

From source file:org.opendaylight.controller.dummy.datastore.DummyShard.java

protected void handleAppendEntries(AppendEntries req) throws InterruptedException {
    LOG.info("{} - Received AppendEntries message : leader term = {}, index = {}, prevLogIndex = {}, size = {}",
            followerId, req.getTerm(), req.getLeaderCommit(), req.getPrevLogIndex(), req.getEntries().size());

    if (appendEntriesWatch != null) {
        long elapsed = appendEntriesWatch.elapsed(TimeUnit.SECONDS);
        if (elapsed >= 5) {
            LOG.error(//from   www.  j  a  va  2s .c  om
                    "More than 5 seconds since last append entry, elapsed Time = {} seconds"
                            + ", leaderCommit = {}, prevLogIndex = {}, size = {}",
                    elapsed, req.getLeaderCommit(), req.getPrevLogIndex(), req.getEntries().size());
        }
        appendEntriesWatch.reset().start();
    } else {
        appendEntriesWatch = Stopwatch.createStarted();
    }

    if (lastMessageIndex == req.getLeaderCommit() && req.getEntries().size() > 0 && lastMessageSize > 0) {
        LOG.error("{} - Duplicate message with leaderCommit = {} prevLogIndex = {} received", followerId,
                req.getLeaderCommit(), req.getPrevLogIndex());
    }

    lastMessageIndex = req.getLeaderCommit();
    lastMessageSize = req.getEntries().size();

    long lastIndex = req.getLeaderCommit();
    if (req.getEntries().size() > 0) {
        for (ReplicatedLogEntry entry : req.getEntries()) {
            lastIndex = entry.getIndex();
        }
    }

    if (configuration.shouldCauseTrouble() && req.getEntries().size() > 0) {
        boolean ignore = false;

        if (configuration.shouldDropReplies()) {
            ignore = Math.random() > 0.5;
        }

        long delay = (long) (Math.random() * configuration.getMaxDelayInMillis());

        if (!ignore) {
            LOG.info("{} - Randomizing delay : {}", followerId, delay);
            Thread.sleep(delay);
            sender().tell(new AppendEntriesReply(followerId, req.getTerm(), true, lastIndex, req.getTerm(),
                    DataStoreVersions.CURRENT_VERSION), self());
        }
    } else {
        sender().tell(new AppendEntriesReply(followerId, req.getTerm(), true, lastIndex, req.getTerm(),
                DataStoreVersions.CURRENT_VERSION), self());
    }
}

From source file:com.google.cloud.examples.nio.ParallelCountBytes.java

/**
 * Print the length and MD5 of the indicated file.
 *
 * <p>This uses the normal Java NIO Api, so it can take advantage of any installed
 * NIO Filesystem provider without any extra effort.
 *///from   w w  w . j a  va2s .c o  m
private static void countFile(String fname) throws Exception {
    // large buffers pay off
    final int bufSize = 50 * 1024 * 1024;
    Queue<Future<WorkUnit>> work = new ArrayDeque<>();
    Path path = Paths.get(new URI(fname));
    long size = Files.size(path);
    System.out.println(fname + ": " + size + " bytes.");
    int nThreads = (int) Math.ceil(size / (double) bufSize);
    if (nThreads > 4)
        nThreads = 4;
    System.out.println("Reading the whole file using " + nThreads + " threads...");
    Stopwatch sw = Stopwatch.createStarted();
    long total = 0;
    MessageDigest md = MessageDigest.getInstance("MD5");

    ExecutorService exec = Executors.newFixedThreadPool(nThreads);
    int blockIndex;
    for (blockIndex = 0; blockIndex < nThreads; blockIndex++) {
        work.add(exec.submit(new WorkUnit(Files.newByteChannel(path), bufSize, blockIndex)));
    }
    while (!work.isEmpty()) {
        WorkUnit full = work.remove().get();
        md.update(full.buf.array(), 0, full.buf.position());
        total += full.buf.position();
        if (full.buf.hasRemaining()) {
            full.close();
        } else {
            work.add(exec.submit(full.resetForIndex(blockIndex++)));
        }
    }
    exec.shutdown();

    long elapsed = sw.elapsed(TimeUnit.SECONDS);
    System.out.println("Read all " + total + " bytes in " + elapsed + "s. ");
    String hex = String.valueOf(BaseEncoding.base16().encode(md.digest()));
    System.out.println("The MD5 is: 0x" + hex);
    if (total != size) {
        System.out.println("Wait, this doesn't match! We saw " + total + " bytes, "
                + "yet the file size is listed at " + size + " bytes.");
    }
}