[gmx-developers] bOptFFT

Ansgar Esztermann aeszter at gwdg.de
Fri Dec 22 14:59:28 CET 2006

Hello everyone,

the bOptFFT flag should tell fftw whether or not different algorithms
are to be timed at runtime. However, that option is not passed on to
the library. Instead, optimization is always on for fftw3 and always
off for fftw2. Back in August, there has been some discussion on this
via private email between Carsten Kutzner and David van der Spoel, 
among others.

Unless someone else is already working on the problem, I would like to
create a patch to fix this.

Any objection?


Ansgar Esztermann
Researcher & Sysadmin
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