Hello Lucas, I explored the guide before buying workstations. Actually, I have two workstations: one with two GPUs RTX4090 without Nvlink (that was my first trial) and another one with two RTX A6000 with Nvlink. Strangely, the one without Nvlink is running faster for our DEM-SPH models because RTX4090 have better perfromances than RTX A6000 (while being cheaper than A6000, because it is a gaming card without possibility). With more hindsight, I don't think the Rocky software is optimized for parallel multi-GPU computing for cases involving SPH analyses. I feel like I made a bad investment in the software and also in the workstations... Thank you anyway for your help, but it's clear that without support, I won't be able to advance further in my research.Â
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