[gmx-users] Re: question about fftw3 in gromacs 4.6 installation

[didymos]

Hi Justin!

I had the same problem and I used your advise but I am not sure if this
entirely worked for me...

I used:
cmake -DGMX_MPI=ON DCMAKE_INSTALL_PREFIX=$HOME/gromacs
-DFFTWF_INCLUDE_DIR=$HOME/fftw/include
-DFFTWF_LIBRARY=$HOME/fftw/lib/libfftw3f.so -DCMAKE_PREFIX_PATH=$HOME/fftw/
..

and I got:
-- checking for module 'fftw3f'
--   found fftw3f, version 3.2.2 
-- Looking for fftwf_plan_r2r_1d in
/home/users/didymos/fftw/lib/libfftw3f.so
-- Looking for fftwf_plan_r2r_1d in
/home/users/didymos/fftw/lib/libfftw3f.so - found
-- Looking for fftwf_have_simd_avx in
/home/users/didymos/fftw/lib/libfftw3f.so
-- Looking for fftwf_have_simd_avx in
/home/users/didymos/fftw/lib/libfftw3f.so - not found
-- Looking for fftwf_have_simd_sse2 in
/home/users/didymos/fftw/lib/libfftw3f.so
-- Looking for fftwf_have_simd_sse2 in
/home/users/didymos/fftw/lib/libfftw3f.so - found

So it seems ok but I am not sure about first two lines:
-- checking for module 'fftw3f'
--   found fftw3f, version 3.2.2
it should be 3.3.3
Thanks a lot!
Best!

tomek





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