# Gromacs not utilizing gpu

**URL:** <https://gromacs.bioexcel.eu/t/gromacs-not-utilizing-gpu/7302>\
**Category:** User discussions\
**Tags:** mdrun, gpu, qm-mm\
**Created:** [October 1, 2023, 9:55am UTC](https://gromacs.bioexcel.eu/t/gromacs-not-utilizing-gpu/7302 "2023-10-01T09:55:46Z")\
**Posts on this page:** 1\
**Showing post:** 6

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**Author:** ![hess](https://dub1.discourse-cdn.com/flex017/user_avatar/gromacs.bioexcel.eu/hess/32/416_2.png) [@hess](https://gromacs.bioexcel.eu/u/hess)\
**Post date:** [October 3, 2023, 3:15pm UTC](https://gromacs.bioexcel.eu/t/gromacs-not-utilizing-gpu/7302/6 "2023-10-03T15:15:51Z")

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This question is also being answered here: [Mdrun : An error occurred in MPI\_Allreduce](https://gromacs.bioexcel.eu/t/mdrun-an-error-occurred-in-mpi-allreduce/7307)  
I think we should continue there.

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_[View the full topic](https://gromacs.bioexcel.eu/t/gromacs-not-utilizing-gpu/7302)._