[gmx-users] c2075 is not detected by gmx

[paul buscemi]

Did you install the CUDA toolbox and drivers ?  
 What is the output from "nvidia-smi" ?

> On 24,Nov 2019, at 1:31 PM, Mahmood Naderan <nt_mahmood at yahoo.com> wrote:
> 
> Hi
> I have build 2018.3 in order to test that with c2075 GPU.
> I used this command to build it
> $ cmake .. -DGMX_GPU=on -DCMAKE_INSTALL_PREFIX=../single -DGMX_BUILD_OWN_FFTW=ON 
> 
> $ make
> $ make install
> 
> I have to say that the device is detected according to deviceQuery. However, when I run 
> 
> 
> $ gmx mdrun -nb gpu -v -deffnm nvt_5k
> 
> 
> I get this error
> 
> Fatal error:
> Cannot run short-ranged nonbonded interactions on a GPU because there is none
> detected.
> 
> 
> That is weird, because I also see this message
> 
> WARNING: An error occurred while sanity checking device #0; cudaErrorMemoryAllocation: out of memory
> 
> 
> 
> The device has 6GB of memory and I am sure that my input file doesn't need that because I have run it on a GPU with 4GB of memory/
> 
> Any idea?
> 
> Regards,
> Mahmood
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