# About Parallelization more then ono node

**URL:** <https://gromacs.bioexcel.eu/t/about-parallelization-more-then-ono-node/2417>\
**Category:** User discussions\
**Created:** [June 26, 2021, 7:15pm UTC](https://gromacs.bioexcel.eu/t/about-parallelization-more-then-ono-node/2417 "2021-06-26T19:15:17Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![torquato](https://avatars.discourse-cdn.com/v4/letter/t/8baadc/32.png) [@torquato](https://gromacs.bioexcel.eu/u/torquato)\
**Post date:** [June 26, 2021, 7:15pm UTC](https://gromacs.bioexcel.eu/t/about-parallelization-more-then-ono-node/2417/1 "2021-06-26T19:15:17Z")

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GROMACS version:2021.2  
GROMACS modification: No  
I need help set up de parallelization gromac on a cluster.  
I have access to a cluster in our university. I have four nodes, each one has 24 threads. Likewise, I installed gromac in two nodes, with SIMD option on cmake compilation. Wight the best way to check if the parallelization are working ?

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**Author:** ![kevinboyd](https://avatars.discourse-cdn.com/v4/letter/k/c77e96/32.png) [@kevinboyd](https://gromacs.bioexcel.eu/u/kevinboyd)\
**Post date:** [June 27, 2021, 3:08pm UTC](https://gromacs.bioexcel.eu/t/about-parallelization-more-then-ono-node/2417/2 "2021-06-27T15:08:44Z")

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The log file should tell you how many cores were detected and run on, and should give you a performance summary at the bottom.

The Gromacs [performance tuning documentation](https://manual.gromacs.org/current/user-guide/mdrun-performance.html#running-mdrun-on-more-than-one-node) has examples for running on multiple nodes