public static <S> Pair<Double, S> clockWithResult(final Supplier<S> supplier) {
        return clockWithResult(100, supplier);
    }
@author Stephen Mallette (http://stephen.genoprime.com)
@author Daniel Kuppitz (http://gremlin.guru)
gremlin-core/src/main/java/org/apache/tinkerpop/gremlin/util/TimeUtil.java