Decrease spline evaluation time

[ccuetom]

Hey, I've been using ndsplines for a while and I love the package.

As part of my work, I need to evaluate a few 1000s of 2D/3D splines as fast as possible. Although evaluation is already quite fast, I was wondering if there were any known areas where I could try to improve the performance of ndsplines' evaluation. I'm keen on squeezing as much as possible from it.

Thanks!