[gmx-users] c2075 is not detected by gmx

[paul buscemi]

take a look at

https://docs.nvidia.com/cuda/cuda-memcheck/index.html <https://docs.nvidia.com/cuda/cuda-memcheck/index.html>

make sure the GPU is functioning correctly with CUDA

> On Nov 24, 2019, at 4:32 PM, paul buscemi <pbuscemi at q.com> wrote:
> 
> 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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