Maybe you can try to compile Gromacs with Nvidia own cc compiler for GPU version. On 12/30/2014 06:06 PM, Carlos Navarro Retamal wrote: > > cmake .. -DGMX_BUILD_OWN_FFTW=ON -DCMAKE_INSTALL_PREFIX=/usr/local/gromacs5.03 -DGMX_GPU=ON -DCUDA_TOOLKIT_ROOT_DIR=/usr/local/cuda-6.5