Examples with LongAdder java.util.concurrent.atomic.LongAdder used on opensource projects

Example 26 with LongAdder

use of java.util.concurrent.atomic.LongAdder in project jdk8u_jdk by JetBrains.

the class RandomTest method testUnsizedIntsCountSeq.

/**
     * A sequential unsized stream of ints generates at least 100 values
     */
public void testUnsizedIntsCountSeq() {
    LongAdder counter = new LongAdder();
    Random r = new Random();
    long size = 100;
    r.ints().limit(size).forEach(x -> {
        counter.increment();
    });
    assertEquals(counter.sum(), size);
}

Example 27 with LongAdder

use of java.util.concurrent.atomic.LongAdder in project jdk8u_jdk by JetBrains.

the class RandomTest method testLongsCount.

/**
     * A sequential sized stream of longs generates the given number of values
     */
public void testLongsCount() {
    LongAdder counter = new LongAdder();
    Random r = new Random();
    long size = 0;
    for (int reps = 0; reps < REPS; ++reps) {
        counter.reset();
        r.longs(size).forEach(x -> {
            counter.increment();
        });
        assertEquals(counter.sum(), size);
        size += 524959;
    }
}

Example 28 with LongAdder

use of java.util.concurrent.atomic.LongAdder in project XRTB by benmfaul.

the class CampaignProbe method reset.

public void reset() {
    for (Map.Entry<String, CreativeProbe> entry : probes.entrySet()) {
        entry.getValue().reset();
    }
    total = new LongAdder();
    bids = new LongAdder();
}

Example 29 with LongAdder

use of java.util.concurrent.atomic.LongAdder in project XRTB by benmfaul.

the class CreativeProbe method report.

public String report() {
    StringBuilder report = new StringBuilder();
    report.append("\t\t\ttotal = ");
    report.append(total.sum());
    report.append(", bids = ");
    report.append("\n");
    for (Map.Entry<String, LongAdder> entry : probes.entrySet()) {
        String key = entry.getKey();
        report.append("\t\t\t");
        report.append(key);
        report.append(" = ");
        LongAdder ad = entry.getValue();
        report.append(ad.sum());
        report.append(",   (");
        double v = total.sum();
        double vx = ad.sum();
        report.append(100 * vx / v);
        report.append(")\n");
    }
    return report.toString();
}

Example 30 with LongAdder

use of java.util.concurrent.atomic.LongAdder in project mapdb by jankotek.

the class ConcurrentHashMap8Test method testMappedForEachEntrySequentially.

/**
     * Mapped forEachEntrySequentially traverses the given
     * transformations of all entries
     */
public void testMappedForEachEntrySequentially() {
    LongAdder adder = new LongAdder();
    ConcurrentHashMap<Long, Long> m = longMap();
    m.forEachEntry(Long.MAX_VALUE, (Map.Entry<Long, Long> e) -> Long.valueOf(e.getKey().longValue() + e.getValue().longValue()), (Long x) -> adder.add(x.longValue()));
    assertEquals(adder.sum(), 3 * SIZE * (SIZE - 1) / 2);
}