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GPU CUDA Solver ERROR

User: "Javier De La Cruz_22434"
Javier De La Cruz_22434
Altair Community Member
Updated by Javier De La Cruz_22434

I have this error trying to do a Simulation with CUDA. ERROR   : GPU CUDA Solver : The last timestep was not downloaded from GPU to CPU correctly and the simulation data may be corrupted. It is recommended to revert to an earlier saved timestep and save the simulation at that point.

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    User: "Stephen Cole"
    Stephen Cole
    Altair Employee
    Updated by Stephen Cole

    Hi Javier,


    It maybe that the GPU ran out of memory?  The simulator predicts the amount of memory required but the addition of more particles during the simulation can increase the memory used.

     

    If you rewind one save point and continue does this run OK?  You could change the precision in the simulator settings, mixed precision uses less memory than double precision and may help in this instance.


    Regards

    Stephen

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