# \#gpu

**URL:** https://forum.access-hive.org.au/tag/gpu/456.md

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## [Seeking help from MPI+GPU pros!](https://forum.access-hive.org.au/t/seeking-help-from-mpi-gpu-pros/5424)

<div class="topic-metadata">

**Author:** [@taimoorsohail](https://forum.access-hive.org.au/u/taimoorsohail)\
**Replies:** 12\
**Last updated:** [7 November 2025 04:41 UTC](https://forum.access-hive.org.au/t/seeking-help-from-mpi-gpu-pros/5424 "2025-11-07T04:41:14Z")

</div>

Hi all, I am currently running a multi-GPU ocean model (ClimaOcean) and am getting very poor scaling as I increase the number of GPUs. I am investigating the performance using NVIDIA NSYS profiles, but am struggling to …