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

Example 56 with LongAdder

use of java.util.concurrent.atomic.LongAdder in project fastjson by alibaba.

the class LongAdderTest method test_long_add.

public void test_long_add() throws Exception {
    LongAdder adder = new LongAdder();
    adder.add(3);
    String json = JSON.toJSONString(adder);
    assertEquals("{\"value\":3}", json);
}

Example 57 with LongAdder

use of java.util.concurrent.atomic.LongAdder in project spring-boot by spring-projects.

the class CounterServiceSpeedTests method raw.

@Theory
public void raw(String input) throws Exception {
    iterate("writeRaw");
    double rate = number / watch.getLastTaskTimeMillis() * 1000;
    System.err.println("Rate(" + count + ")=" + rate + ", " + watch);
    watch.start("readRaw" + count);
    for (String name : names) {
        this.counters.forEach(Pattern.compile(name).asPredicate(), new BiConsumer<String, CounterBuffer>() {

            @Override
            public void accept(String name, CounterBuffer value) {
                err.println(name + "=" + value);
            }
        });
    }
    final LongAdder total = new LongAdder();
    this.counters.forEach(Pattern.compile(".*").asPredicate(), new BiConsumer<String, CounterBuffer>() {

        @Override
        public void accept(String name, CounterBuffer value) {
            total.add(value.getValue());
        }
    });
    watch.stop();
    System.err.println("Read(" + count + ")=" + watch.getLastTaskTimeMillis() + "ms");
    assertThat(total.longValue()).isEqualTo(number * threadCount);
}

Example 58 with LongAdder

use of java.util.concurrent.atomic.LongAdder in project spring-boot by spring-projects.

the class DefaultCounterServiceSpeedTests method counters.

@Theory
public void counters(String input) throws Exception {
    watch.start("counters" + count++);
    ExecutorService pool = Executors.newFixedThreadPool(threadCount);
    Runnable task = new Runnable() {

        @Override
        public void run() {
            for (int i = 0; i < number; i++) {
                String name = sample[i % sample.length];
                DefaultCounterServiceSpeedTests.this.counterService.increment(name);
            }
        }
    };
    Collection<Future<?>> futures = new HashSet<>();
    for (int i = 0; i < threadCount; i++) {
        futures.add(pool.submit(task));
    }
    for (Future<?> future : futures) {
        future.get();
    }
    watch.stop();
    double rate = number / watch.getLastTaskTimeMillis() * 1000;
    System.err.println("Counters rate(" + count + ")=" + rate + ", " + watch);
    watch.start("read" + count);
    this.reader.findAll().forEach(new Consumer<Metric<?>>() {

        @Override
        public void accept(Metric<?> metric) {
            err.println(metric);
        }
    });
    final LongAdder total = new LongAdder();
    this.reader.findAll().forEach(new Consumer<Metric<?>>() {

        @Override
        public void accept(Metric<?> value) {
            total.add(value.getValue().intValue());
        }
    });
    watch.stop();
    System.err.println("Read(" + count + ")=" + watch.getLastTaskTimeMillis() + "ms");
    assertThat(total.longValue()).isEqualTo(number * threadCount);
}

Example 59 with LongAdder

use of java.util.concurrent.atomic.LongAdder in project intellij-community by JetBrains.

the class Main10 method m.

void m() {
    LongAdder l = new LongAdder();
    String asString = l.toString();
    l.add(123);
}

Example 60 with LongAdder

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

the class RandomTest method testUnsizedLongsCountSeq.

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