Thanks for your answers. I have uninstalled the mpi, have also reinstalled the CUDA and got the same issue. As you have mentioned before I noticed that it struggle to detect the CUDA.
Can cygwin recognize the CUDA installed in win 7? if so, how do i link them ? The default installation path of CUDA in win 7 could be C:\Program Files\NVIDIA GPU Computing Toolkit\CUDA If I am correct, it should be like cmake .. -DGMX_GPU=ON -DCUDA_TOOLKIT_ROOT_DIR=C:\Program Files\NVIDIA GPU Computing Toolkit\CUDA Kindly give me your suggestion. Thanks in advance. Subject: Re: [gmx-users] cygwin_mpi_gmx installation To: Discussion list for GROMACS users <[email protected]> Message-ID: <cannyew7aq+strlpgc5nx7k9oener5koa--ajgue6cn7zjrf...@mail.gmail.com> Content-Type: text/plain; charset=UTF-8 Indeed it's strange. In fact, it seems that CUDA detection did not even run, there should be a message whether it found the toolkit or not just before the "Enabling native GPU acceleration" - and the enabling should not even happen without CUDA detected. Unrelated, but do you really need MPI with cygwin? Unless you are planning to run on multiple Windows machines, the default thread-MPI parallelization is enough to use multiple cores! Cheers, -- Szil��rd On Fri, Apr 12, 2013 at 1:04 PM, Mark Abraham <[email protected]> wrote: > That looks really strange. CMake claims to detect CUDA but the right > variables are not set. > > 1) Can you reproduce this in a clean build directory? > 2) If so, what CUDA is present? > > Mark
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