package org.openjdk.gcbench.wip;

import org.openjdk.jmh.annotations.*;

import java.lang.ref.ReferenceQueue;
import java.lang.ref.WeakReference;
import java.util.concurrent.ThreadLocalRandom;
import java.util.concurrent.TimeUnit;

@Warmup(iterations = 5, time = 1, timeUnit = TimeUnit.SECONDS)
@Measurement(iterations = 5, time = 1, timeUnit = TimeUnit.SECONDS)
@Fork(1)
@BenchmarkMode(Mode.AverageTime)
@OutputTimeUnit(TimeUnit.NANOSECONDS)
@Threads(1)
@State(Scope.Benchmark)
public class ReadBarriersCountedLoop {

    @Param({"1", "10", "100", "1000", "10000"})
    int count;

    byte[] x;

    @Setup
    public void setup() {
        x = new byte[count];
        for (int c = 0; c < count; c++) {
            x[c] = 42;
        }
    }

    @Benchmark
    public int test() {
        int r = 0;
        for (int c = 0; c < count; c++) {
            r += x[c];
        }
        return r;
    }

}