Examples with LongAdder java8.util.concurrent.atomic.LongAdder used on opensource projects

Example 26 with LongAdder

use of java8.util.concurrent.atomic.LongAdder in project streamsupport by stefan-zobel.

the class SplittableRandomTest method testIntsCount.

/**
 * A parallel sized stream of ints generates the given number of values
 */
public void testIntsCount() {
    final LongAdder counter = new LongAdder();
    SplittableRandom r = new SplittableRandom();
    long size = 0;
    for (int reps = 0; reps < REPS; ++reps) {
        counter.reset();
        r.ints(size).parallel().forEach(new IntConsumer() {

            @Override
            public void accept(int x) {
                counter.increment();
            }
        });
        assertEquals(counter.sum(), size);
        size += 524959;
    }
}

Example 27 with LongAdder

use of java8.util.concurrent.atomic.LongAdder in project streamsupport by stefan-zobel.

the class SplittableRandomTest method testUnsizedLongsCountSeq.

/**
 * A sequential unsized stream of longs generates at least 100 values
 */
public void testUnsizedLongsCountSeq() {
    final LongAdder counter = new LongAdder();
    SplittableRandom r = new SplittableRandom();
    long size = 100;
    r.longs().limit(size).forEach(new LongConsumer() {

        @Override
        public void accept(long x) {
            counter.increment();
        }
    });
    assertEquals(counter.sum(), size);
}

Example 28 with LongAdder

use of java8.util.concurrent.atomic.LongAdder in project streamsupport by stefan-zobel.

the class SplittableRandomTest method testUnsizedDoublesCount.

/**
 * A parallel unsized stream of doubles generates at least 100 values
 */
public void testUnsizedDoublesCount() {
    final LongAdder counter = new LongAdder();
    SplittableRandom r = new SplittableRandom();
    long size = 100;
    r.doubles().limit(size).parallel().forEach(new DoubleConsumer() {

        @Override
        public void accept(double x) {
            counter.increment();
        }
    });
    assertEquals(counter.sum(), size);
}

Example 29 with LongAdder

use of java8.util.concurrent.atomic.LongAdder in project streamsupport by stefan-zobel.

the class SplittableRandomTest method testUnsizedIntsCount.

/**
 * A parallel unsized stream of ints generates at least 100 values
 */
public void testUnsizedIntsCount() {
    final LongAdder counter = new LongAdder();
    SplittableRandom r = new SplittableRandom();
    long size = 100;
    r.ints().limit(size).parallel().forEach(new IntConsumer() {

        @Override
        public void accept(int x) {
            counter.increment();
        }
    });
    assertEquals(counter.sum(), size);
}

Example 30 with LongAdder

use of java8.util.concurrent.atomic.LongAdder in project streamsupport by stefan-zobel.

the class ThreadLocalRandomTest method testDoublesCount.

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