# Make check GpuUtilsUnitTests fails - CUDA 11 + Titan V

**URL:** <https://gromacs.bioexcel.eu/t/make-check-gpuutilsunittests-fails-cuda-11-titan-v/569>\
**Category:** User discussions\
**Created:** [July 25, 2020, 8:26am UTC](https://gromacs.bioexcel.eu/t/make-check-gpuutilsunittests-fails-cuda-11-titan-v/569 "2020-07-25T08:26:42Z")\
**Posts on this page:** 1\
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**Author:** ![Subin](https://avatars.discourse-cdn.com/v4/letter/s/58956e/32.png) [@Subin](https://gromacs.bioexcel.eu/u/Subin)\
**Post date:** [July 27, 2020, 4:05pm UTC](https://gromacs.bioexcel.eu/t/make-check-gpuutilsunittests-fails-cuda-11-titan-v/569/2 "2020-07-27T16:05:59Z")

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> [@scg](#):
>
> trying to build the latest gromacs on an Ubuntu 18.04 machine that has an NVidia Titan V using CUDA 11. The compile proceeds fine but unfortunately I get three errors during ‘make check’

Gromacs doesn’t support CUDA 11 yet. I have same issue and haven’t found any solution yet. See this thread, might help in your case.

> [@GPU error during installation of Gromacs 2020.3](https://gromacs.bioexcel.eu/t/gpu-error-during-installation-of-gromacs-2020-3/542):
>
> GROMACS version:2020.3 GROMACS modification: Yes/No Here post your question Hi guys, I’m having trouble installing GPU enabled gromacs on my computer (running ubuntu 20.04, GPU: NVIDIA GeForce RTX 2080). I got an error: nvcc fatal : Unsupported gpu architecture 'compute\_30' Seems like the error is because Cuda (version 11) doesn’t support ‘compute\_30’. After some searches, I tried passing following flags in CMake -DGMX\_CUDA\_TARGET\_COMPUTE=50 as well as -DGMX\_CUDA\_TARGET\_COMPUTE=60 Howe…

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