The title is a little misleading. It looks like an asyntotic improvement, that is 532x at the scale the benchmark ran. Looking at the graph, it appears to be a

The title is a little misleading. It looks like an asyntotic improvement, that is 532x at the scale the benchmark ran. Looking at the graph, it appears to be a significant improvement, as the old version clearly dropped to about 0, while the new version looks constant. (It took some staring to see the downward trend)