[gmx-developers] RFC: Dropping FFTW2 support in 4.6 ?

[Mark Abraham]

On 3/02/2012 11:26 AM, Christoph Junghans wrote:
> Dear all,
>
> I just realized that the FindFFTW2.cmake module is broken for a long
> time.(syntax error in line 26)
> I could go and fix it, but do we really want to keep fftw2 support in
> Gromacs 4.6?
>
> FFTW2 does not work with threads and is obviously untested for 4.6 !
>
> Comments?

I suggest we drop it. I suspect we offered support for both fftw2 and 
fftw3 at one stage because fftw2 had some parallel transforms that were 
used back then. We don't use them any more, I understand. So I don't see 
any value in support for fftw2.

Mark