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Reply To: Multiple GPU on HPC Calculation Signal: Segmentation fault (11)

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› Forums › OpenLB › General Topics › Multiple GPU on HPC Calculation Signal: Segmentation fault (11) › Reply To: Multiple GPU on HPC Calculation Signal: Segmentation fault (11)

June 4, 2024 at 1:40 pm #8761
Yuji
Participant

Dear @aseidler
could you try mpirun with ” -mca btl_smcuda_use_cuda_ipc 0″? for example $mpirun -np 2 –mca btl_smcuda_use_cuda_ipc 0 bash -c ‘export CUDA_VISIBLE_DEVICES=${OMPI_COMM_WORLD_LOCAL_RANK}; ./cavity3d’

we disscused similar topic in https://www.openlb.net/forum/topic/multi-gpus-calculation/

  • This reply was modified 1 year, 7 months ago by Yuji.