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

Example 11 with LongAdder

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

the class RandomTest method testIntsCount.

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

Example 12 with LongAdder

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

the class RandomTest method testUnsizedDoublesCount.

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

Example 13 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 14 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 15 with LongAdder

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

the class SplittableRandomTest method testUnsizedDoublesCountSeq.

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