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Reply To: Storing data in a csv file error (running code in parallel)

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OpenLB – Open Source Lattice Boltzmann Code › Forums › on OpenLB › General Topics › Storing data in a csv file error (running code in parallel) › Reply To: Storing data in a csv file error (running code in parallel)

July 12, 2021 at 2:33 pm #5815
Adrian
Keymaster

You have to ensure that the IO only happens in the main process (where BlockDataSyncMode::ReduceOnly syncs to). Otherwise each process will write to the same file in parallel and in addition not even have the correct data.