With the default cube (8 vertices), this was timed 1,000,000 times, and had a minimum valueminimum value of:
With the default cube subdivided 8 times (393,218 vertices), this was timed 1,000 times, and had a minimum valueminimum value of:
With the default cube (8 vertices), this was timed 10,000 times, and had a minimum valueminimum value of:
With the default cube subdivided 8 times (393,218 vertices), this was timed 100 times, and had a minimum valueminimum value of:
With the default cube (8 vertices), this was timed 1,000,000 times, and had a minimum valueminimum value of:
With the default cube subdivided 8 times (393,218 vertices), this was timed 1,000 times, and had a minimum valueminimum value of:
Here is a graphical (but less accurate) model if the performance. Each point is the minmin of 100 iterations.