Examples with Histogram com.lmax.disruptor.collections.Histogram used on opensource projects

Example 6 with Histogram

use of com.lmax.disruptor.collections.Histogram in project logging-log4j2 by apache.

the class MultiThreadPerfTest method runTestAndPrintResult.

@Override
public void runTestAndPrintResult(final IPerfTestRunner runner, final String name, final int threadCount, final String resultFile) throws Exception {
    // ThreadContext.put("aKey", "mdcVal");
    PerfTest.println("Warming up the JVM...");
    final long t1 = System.nanoTime();
    // warmup at least 2 rounds and at most 1 minute
    final Histogram warmupHist = PerfTest.createHistogram();
    final long stop = System.nanoTime() + TimeUnit.MINUTES.toNanos(1);
    final Runnable run1 = new Runnable() {

        @Override
        public void run() {
            for (int i = 0; i < 10; i++) {
                final int LINES = PerfTest.throughput ? 50000 : 200000;
                runTest(runner, LINES, null, warmupHist, 2);
                if (i > 0 && System.nanoTime() - stop >= 0) {
                    return;
                }
            }
        }
    };
    final Thread thread1 = new Thread(run1);
    final Thread thread2 = new Thread(run1);
    thread1.start();
    thread2.start();
    thread1.join();
    thread2.join();
    PerfTest.printf("Warmup complete in %.1f seconds%n", (System.nanoTime() - t1) / (1000.0 * 1000.0 * 1000.0));
    PerfTest.println("Waiting 10 seconds for buffers to drain warmup data...");
    Thread.sleep(10000);
    new File("perftest.log").delete();
    new File("perftest.log").createNewFile();
    PerfTest.println("Starting the main test...");
    PerfTest.throughput = false;
    multiThreadedTestRun(runner, name, threadCount, resultFile);
    Thread.sleep(1000);
    PerfTest.throughput = true;
    multiThreadedTestRun(runner, name, threadCount, resultFile);
}

Example 7 with Histogram

use of com.lmax.disruptor.collections.Histogram in project logging-log4j2 by apache.

the class PerfTest method runTestAndPrintResult.

public void runTestAndPrintResult(final IPerfTestRunner runner, final String name, final int threadCount, final String resultFile) throws Exception {
    final Histogram warmupHist = createHistogram();
    // ThreadContext.put("aKey", "mdcVal");
    println("Warming up the JVM...");
    final long t1 = System.nanoTime();
    // warmup at least 10 seconds
    final int LINES = 50000;
    int iterations = 0;
    final long stop = System.nanoTime() + TimeUnit.SECONDS.toNanos(10);
    do {
        runTest(runner, LINES, null, warmupHist, 1);
        iterations++;
    } while (System.nanoTime() - stop < 0);
    printf("Warmup complete in %.1f seconds (%d iterations)%n", (System.nanoTime() - t1) / (1000.0 * 1000.0 * 1000.0), iterations);
    println("Waiting 10 seconds for buffers to drain warmup data...");
    Thread.sleep(3000);
    //forceRemap(LINES, iterations, runner);
    Thread.sleep(7000);
    println("Starting the main test...");
    runSingleThreadedTest(runner, LINES, name, resultFile);
    Thread.sleep(1000);
}