The cost of finalizer methods

Finalizer.java

import org.openjdk.jmh.annotations.Benchmark;

public class Finalizer
{
    private static class ObjectWithFinalizer
    {
        @Override
        protected void finalize() throws Throwable
        {
            super.finalize();
        }
    }

    @Benchmark
    public Object createNormal()
    {
        return new Object();
    }

    @Benchmark
    public ObjectWithFinalizer createWithFinalizer()
    {
        return new ObjectWithFinalizer();
    }
}

/*

$ java -version
java version "1.7.0_51"
Java(TM) SE Runtime Environment (build 1.7.0_51-b13)
Java HotSpot(TM) 64-Bit Server VM (build 24.51-b03, mixed mode)

$ java -jar target/benchmarks.jar '.*Finalizer.*' -prof gc -f 5 -wi 5 -i 10
Benchmark                                         Mode   Samples        Score  Score error    Units
o.n.p.Finalizer.createNormal                     thrpt        50 303235578.567  1744302.614    ops/s
o.n.p.Finalizer.createNormal:@gc.count           thrpt        50       21.080        1.428   counts
o.n.p.Finalizer.createNormal:@gc.time            thrpt        50        0.849        0.057        %
o.n.p.Finalizer.createWithFinalizer              thrpt        50  2216920.119   545429.448    ops/s
o.n.p.Finalizer.createWithFinalizer:@gc.count    thrpt        50        1.400        0.245   counts
o.n.p.Finalizer.createWithFinalizer:@gc.time     thrpt        50       66.631        7.961        %

$ java -version
java version "1.8.0"
Java(TM) SE Runtime Environment (build 1.8.0-b132)
Java HotSpot(TM) 64-Bit Server VM (build 25.0-b70, mixed mode)

$ java -jar target/benchmarks.jar '.*Finalizer.*' -prof gc -f 5 -wi 5 -i 10
Benchmark                                         Mode   Samples        Score  Score error    Units
o.n.p.Finalizer.createNormal                     thrpt        50 303414952.892  2684136.060    ops/s
o.n.p.Finalizer.createNormal:@gc.count           thrpt        50       24.700        0.896   counts
o.n.p.Finalizer.createNormal:@gc.time            thrpt        50        0.887        0.031        %
o.n.p.Finalizer.createWithFinalizer              thrpt        50   707795.468   345959.174    ops/s
o.n.p.Finalizer.createWithFinalizer:@gc.count    thrpt        50        5.420        2.400   counts
o.n.p.Finalizer.createWithFinalizer:@gc.time     thrpt        50       84.080        6.941        %

*/