maria goranovic wrote:
An update:
Using a 4th order PME spline resulted in ~ 15 % increase in efficiency.

Thank you, Carsten.

As you can see in some of the original PME papers, tweaking the parameters can give about an order of magnitude variation in the approximation error for given computational cost, or similar variation in cost for a given error. pme_order = 6 works best on my hardware for error that I found acceptable.

Mark
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