package ttldtor;

import org.openjdk.jmh.annotations.Benchmark;
import org.openjdk.jmh.annotations.BenchmarkMode;
import org.openjdk.jmh.annotations.Fork;
import org.openjdk.jmh.annotations.Measurement;
import org.openjdk.jmh.annotations.Mode;
import org.openjdk.jmh.annotations.Warmup;

import java.util.concurrent.TimeUnit;

/**
 * @author kalin
 * @since 09.02.2018
 */
public class Runner {
    @Benchmark
    @Fork(value = 1, warmups = 2)
    @Measurement(iterations = 1)
    @BenchmarkMode(Mode.Throughput)
    @Warmup(iterations = 1, timeUnit = TimeUnit.MILLISECONDS)
    public void boxed() {
        Long sum = 0L;

        for (long i = 0; i < Integer.MAX_VALUE; i++) {
            sum += i;
        }
    }


    @Benchmark
    @Fork(value = 1, warmups = 2)
    @Measurement(iterations = 1)
    @BenchmarkMode(Mode.Throughput)
    @Warmup(iterations = 1, timeUnit = TimeUnit.MILLISECONDS)
    public void notBoxed() {
        long sum = 0L;

        for (long i = 0; i < Integer.MAX_VALUE; i++) {
            sum += i;
        }
    }

    public static void main(String[] args) throws Exception {
        org.openjdk.jmh.Main.main(args);
    }
}


/*


# Run complete. Total time: 00:00:52

Benchmark         Mode  Cnt  Score   Error  Units
Runner.boxed     thrpt       0,152          ops/s
Runner.notBoxed  thrpt       1,659          ops/s

Process finished with exit code 0

*/