Hi Matti, On 14 February 2015 at 17:44, Matti Picus <matti.picus at gmail.com> wrote: > That makes sense, thanks. I will see if I can easily reuse the c code as a > shared object rather than a module, and what effect that has on timing. Note that it's what ffi.verify() is for: you add any amount of custom C code there. Armin