Examples with AtomicDouble com.google.common.util.concurrent.AtomicDouble used on opensource projects

Example 1 with AtomicDouble

use of com.google.common.util.concurrent.AtomicDouble in project deeplearning4j by deeplearning4j.

the class BarnesHutTsne method score.

@Override
public double score() {
    // Get estimate of normalization term
    INDArray buff = Nd4j.create(numDimensions);
    AtomicDouble sum_Q = new AtomicDouble(0.0);
    for (int n = 0; n < N; n++) tree.computeNonEdgeForces(n, theta, buff, sum_Q);
    // Loop over all edges to compute t-SNE error
    double C = .0;
    INDArray linear = Y;
    for (int n = 0; n < N; n++) {
        int begin = rows.getInt(n);
        int end = rows.getInt(n + 1);
        int ind1 = n;
        for (int i = begin; i < end; i++) {
            int ind2 = cols.getInt(i);
            buff.assign(linear.slice(ind1));
            buff.subi(linear.slice(ind2));
            double Q = pow(buff, 2).sum(Integer.MAX_VALUE).getDouble(0);
            Q = (1.0 / (1.0 + Q)) / sum_Q.doubleValue();
            C += vals.getDouble(i) * FastMath.log(vals.getDouble(i) + Nd4j.EPS_THRESHOLD) / (Q + Nd4j.EPS_THRESHOLD);
        }
    }
    return C;
}

Example 2 with AtomicDouble

use of com.google.common.util.concurrent.AtomicDouble in project nifi by apache.

the class DataDogReportingTask method updateMetrics.

protected void updateMetrics(Map<String, Double> metrics, Optional<String> processorName, Map<String, String> tags) {
    for (Map.Entry<String, Double> entry : metrics.entrySet()) {
        final String metricName = buildMetricName(processorName, entry.getKey());
        logger.debug(metricName + ": " + entry.getValue());
        // if metric is not registered yet - register it
        if (!metricsMap.containsKey(metricName)) {
            metricsMap.put(metricName, new AtomicDouble(entry.getValue()));
            metricRegistry.register(metricName, new MetricGauge(metricName, tags));
        }
        // set real time value to metrics map
        metricsMap.get(metricName).set(entry.getValue());
    }
}

Example 3 with AtomicDouble

use of com.google.common.util.concurrent.AtomicDouble in project photon-model by vmware.

the class AzureCostStatsService method createAzureSubscriptionStats.

// Create Azure account stats
private void createAzureSubscriptionStats(Context context, AzureSubscription subscription) {
    // convert the subscription daily costs to cumulative
    AtomicDouble cumulativeValue = new AtomicDouble(0.0);
    subscription.cost = subscription.cost.entrySet().stream().sorted(Comparator.comparing(Entry::getKey)).collect(Collectors.toMap(Entry::getKey, e -> cumulativeValue.addAndGet(e.getValue())));
    Consumer<List<ComputeState>> subscriptionStatsProcessor = (subscriptionComputeStates) -> subscriptionComputeStates.forEach(subscriptionComputeState -> {
        String statName = AzureStatsNormalizer.getNormalizedStatKeyValue(AzureCostConstants.COST);
        String costUnit = AzureStatsNormalizer.getNormalizedUnitValue(AzureCostConstants.DEFAULT_CURRENCY_VALUE);
        ComputeStats subscriptionStats = new ComputeStats();
        subscriptionStats.computeLink = subscriptionComputeState.documentSelfLink;
        subscriptionStats.statValues = new ConcurrentSkipListMap<>();
        List<ServiceStat> costStats = new ArrayList<>();
        for (Entry<Long, Double> cost : subscription.cost.entrySet()) {
            ServiceStat azureAccountStat = AzureCostHelper.createServiceStat(statName, cost.getValue(), costUnit, cost.getKey());
            costStats.add(azureAccountStat);
        }
        subscriptionStats.statValues.put(statName, costStats);
        context.statsResponse.statsList.add(subscriptionStats);
    });
    processSubscriptionStats(context, subscription, subscriptionStatsProcessor);
}

Example 4 with AtomicDouble

use of com.google.common.util.concurrent.AtomicDouble in project incubator-pulsar by apache.

the class ZooKeeperClientAspectJTest method testZkOpStatsMetrics.

/**
 * Verifies that aspect-advice calculates the latency of of zk-operation and updates PulsarStats
 *
 * @throws Exception
 */
@Test(enabled = false, timeOut = 7000)
public void testZkOpStatsMetrics() throws Exception {
    OrderedScheduler executor = OrderedScheduler.newSchedulerBuilder().build();
    ZooKeeperClientFactory zkf = new ZookeeperBkClientFactoryImpl(executor);
    CompletableFuture<ZooKeeper> zkFuture = zkf.create("127.0.0.1:" + LOCAL_ZOOKEEPER_PORT, SessionType.ReadWrite, (int) ZOOKEEPER_SESSION_TIMEOUT_MILLIS);
    localZkc = zkFuture.get(ZOOKEEPER_SESSION_TIMEOUT_MILLIS, TimeUnit.MILLISECONDS);
    MockPulsar mockPulsar = new MockPulsar(localZkc);
    mockPulsar.setup();
    try {
        PulsarClient pulsarClient = mockPulsar.getClient();
        PulsarService pulsar = mockPulsar.getPulsar();
        pulsarClient.newProducer().topic("persistent://my-property/use/my-ns/my-topic1").create();
        Metrics zkOpMetric = getMetric(pulsar, "zk_write_latency");
        Assert.assertNotNull(zkOpMetric);
        Assert.assertTrue(zkOpMetric.getMetrics().containsKey("brk_zk_write_rate_s"));
        Assert.assertTrue(zkOpMetric.getMetrics().containsKey("brk_zk_write_time_95percentile_ms"));
        Assert.assertTrue(zkOpMetric.getMetrics().containsKey("brk_zk_write_time_99_99_percentile_ms"));
        Assert.assertTrue(zkOpMetric.getMetrics().containsKey("brk_zk_write_time_99_9_percentile_ms"));
        Assert.assertTrue(zkOpMetric.getMetrics().containsKey("brk_zk_write_time_99_percentile_ms"));
        Assert.assertTrue(zkOpMetric.getMetrics().containsKey("brk_zk_write_time_mean_ms"));
        Assert.assertTrue(zkOpMetric.getMetrics().containsKey("brk_zk_write_time_median_ms"));
        zkOpMetric = getMetric(pulsar, "zk_read_latency");
        Assert.assertNotNull(zkOpMetric);
        Assert.assertTrue(zkOpMetric.getMetrics().containsKey("brk_zk_read_rate_s"));
        Assert.assertTrue(zkOpMetric.getMetrics().containsKey("brk_zk_read_time_95percentile_ms"));
        Assert.assertTrue(zkOpMetric.getMetrics().containsKey("brk_zk_read_time_99_99_percentile_ms"));
        Assert.assertTrue(zkOpMetric.getMetrics().containsKey("brk_zk_read_time_99_9_percentile_ms"));
        Assert.assertTrue(zkOpMetric.getMetrics().containsKey("brk_zk_read_time_99_percentile_ms"));
        Assert.assertTrue(zkOpMetric.getMetrics().containsKey("brk_zk_read_time_mean_ms"));
        Assert.assertTrue(zkOpMetric.getMetrics().containsKey("brk_zk_read_time_median_ms"));
        CountDownLatch createLatch = new CountDownLatch(1);
        CountDownLatch deleteLatch = new CountDownLatch(1);
        CountDownLatch readLatch = new CountDownLatch(1);
        CountDownLatch existLatch = new CountDownLatch(1);
        localZkc.create("/createTest", "data".getBytes(), Acl, CreateMode.EPHEMERAL, (rc, path, ctx, name) -> {
            createLatch.countDown();
        }, "create");
        localZkc.delete("/deleteTest", -1, (rc, path, ctx) -> {
            deleteLatch.countDown();
        }, "delete");
        localZkc.exists("/createTest", null, (int rc, String path, Object ctx, Stat stat) -> {
            existLatch.countDown();
        }, null);
        localZkc.getData("/createTest", null, (int rc, String path, Object ctx, byte[] data, Stat stat) -> {
            readLatch.countDown();
        }, null);
        createLatch.await();
        deleteLatch.await();
        existLatch.await();
        readLatch.await();
        Thread.sleep(10);
        BrokerService brokerService = pulsar.getBrokerService();
        brokerService.updateRates();
        List<Metrics> metrics = brokerService.getTopicMetrics();
        AtomicDouble writeRate = new AtomicDouble();
        AtomicDouble readRate = new AtomicDouble();
        metrics.forEach(m -> {
            if ("zk_write_latency".equalsIgnoreCase(m.getDimension("metric"))) {
                writeRate.set((double) m.getMetrics().get("brk_zk_write_latency_rate_s"));
            } else if ("zk_read_latency".equalsIgnoreCase(m.getDimension("metric"))) {
                readRate.set((double) m.getMetrics().get("brk_zk_read_latency_rate_s"));
            }
        });
        Assert.assertTrue(readRate.get() > 0);
        Assert.assertTrue(writeRate.get() > 0);
    } finally {
        mockPulsar.cleanup();
        if (localZkc != null) {
            localZkc.close();
        }
        executor.shutdown();
    }
}

Example 5 with AtomicDouble

use of com.google.common.util.concurrent.AtomicDouble in project FoodCraft-Reloaded by LasmGratel.

the class Material method calcMultiplier.

default double calcMultiplier() {
    AtomicDouble multiplier = new AtomicDouble();
    getPropertyMap().forEach((foodProperty, integer) -> multiplier.getAndAdd(foodProperty.getMultiplier() * integer));
    return multiplier.get();
}